Merge branch 'feature/Encrypt_Temp_Binaries' into feature/Image_Viewer

app/build.gradle

@@ -17,7 +17,7 @@ android {
         multiDexEnabled true
 
         testApplicationId = "com.kunzisoft.keepass.tests"
-        testInstrumentationRunner = "android.test.InstrumentationTestRunner"
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
 
         buildConfigField "String[]", "ICON_PACKS", "{\"classic\",\"material\"}"
         manifestPlaceholders = [ googleAndroidBackupAPIKey:"unused" ]
@@ -82,6 +82,10 @@ android {
         free.res.srcDir 'src/free/res'
     }
 
+    testOptions {
+        unitTests.includeAndroidResources = true
+    }
+
     compileOptions {
         targetCompatibility JavaVersion.VERSION_1_8
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -120,14 +124,15 @@ dependencies {
     implementation 'com.github.Kunzisoft:AndroidClearChroma:2.4'
     // Education
     implementation 'com.getkeepsafe.taptargetview:taptargetview:1.13.0'
-    // Apache Commons Collections
+    // Apache Commons
     implementation 'commons-collections:commons-collections:3.2.2'
-    // Apache Commons Codec
+    implementation 'commons-io:commons-io:2.8.0'
     implementation 'commons-codec:commons-codec:1.15'
     // Icon pack
     implementation project(path: ':icon-pack-classic')
     implementation project(path: ':icon-pack-material')
 
     // Tests
-    androidTestImplementation 'junit:junit:4.13'
+    androidTestImplementation 'androidx.test:runner:1.3.0'
+    androidTestImplementation 'androidx.test:rules:1.3.0'
 }

app/src/androidTest/assets/test_text.txt

@@ -0,0 +1,133 @@
+Basic Latin
+    ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~ 
+Latin-1 Supplement
+      ¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­ ® ¯ ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿ À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ 
+Latin Extended-A
+    Ā ā Ă ă Ą ą Ć ć Ĉ ĉ Ċ ċ Č č Ď ď Đ đ Ē ē Ĕ ĕ Ė ė Ę ę Ě ě Ĝ ĝ Ğ ğ Ġ ġ Ģ ģ Ĥ ĥ Ħ ħ Ĩ ĩ Ī ī Ĭ ĭ Į į İ ı IJ ij Ĵ ĵ Ķ ķ ĸ Ĺ ĺ Ļ ļ Ľ ľ Ŀ ŀ Ł ł Ń ń Ņ ņ Ň ň ʼn Ŋ ŋ Ō ō Ŏ ŏ Ő ő Œ œ Ŕ ŕ Ŗ ŗ Ř ř Ś ś Ŝ ŝ Ş ş Š š Ţ ţ Ť ť Ŧ ŧ Ũ ũ Ū ū Ŭ ŭ Ů ů Ű ű Ų ų Ŵ ŵ Ŷ ŷ Ÿ Ź ź Ż ż Ž ž ſ 
+Latin Extended-B
+    ƀ Ɓ Ƃ ƃ Ƅ ƅ Ɔ Ƈ ƈ Ɖ Ɗ Ƌ ƌ ƍ Ǝ Ə Ɛ Ƒ ƒ Ɠ Ɣ ƕ Ɩ Ɨ Ƙ ƙ ƚ ƛ Ɯ Ɲ ƞ Ɵ Ơ ơ Ƣ ƣ Ƥ ƥ Ʀ Ƨ ƨ Ʃ ƪ ƫ Ƭ ƭ Ʈ Ư ư Ʊ Ʋ Ƴ ƴ Ƶ ƶ Ʒ Ƹ ƹ ƺ ƻ Ƽ ƽ ƾ ƿ ǀ ǁ ǂ ǃ DŽ Dž dž LJ Lj lj NJ Nj nj Ǎ ǎ Ǐ ǐ Ǒ ǒ Ǔ ǔ Ǖ ǖ Ǘ ǘ Ǚ ǚ Ǜ ǜ ǝ Ǟ ǟ Ǡ ǡ Ǣ ǣ Ǥ ǥ Ǧ ǧ Ǩ ǩ Ǫ ǫ Ǭ ǭ Ǯ ǯ ǰ DZ Dz dz Ǵ ǵ Ǻ ǻ Ǽ ǽ Ǿ ǿ Ȁ ȁ Ȃ ȃ ... 
+IPA Extensions
+    ɐ ɑ ɒ ɓ ɔ ɕ ɖ ɗ ɘ ə ɚ ɛ ɜ ɝ ɞ ɟ ɠ ɡ ɢ ɣ ɤ ɥ ɦ ɧ ɨ ɩ ɪ ɫ ɬ ɭ ɮ ɯ ɰ ɱ ɲ ɳ ɴ ɵ ɶ ɷ ɸ ɹ ɺ ɻ ɼ ɽ ɾ ɿ ʀ ʁ ʂ ʃ ʄ ʅ ʆ ʇ ʈ ʉ ʊ ʋ ʌ ʍ ʎ ʏ ʐ ʑ ʒ ʓ ʔ ʕ ʖ ʗ ʘ ʙ ʚ ʛ ʜ ʝ ʞ ʟ ʠ ʡ ʢ ʣ ʤ ʥ ʦ ʧ ʨ 
+Spacing Modifier Letters
+    ʰ ʱ ʲ ʳ ʴ ʵ ʶ ʷ ʸ ʹ ʺ ʻ ʼ ʽ ʾ ʿ ˀ ˁ ˂ ˃ ˄ ˅ ˆ ˇ ˈ ˉ ˊ ˋ ˌ ˍ ˎ ˏ ː ˑ ˒ ˓ ˔ ˕ ˖ ˗ ˘ ˙ ˚ ˛ ˜ ˝ ˞ ˠ ˡ ˢ ˣ ˤ ˥ ˦ ˧ ˨ ˩ 
+Combining Diacritical Marks
+    ̀ ́ ̂ ̃ ̄ ̅ ̆ ̇ ̈ ̉ ̊ ̋ ̌ ̍ ̎ ̏ ̐ ̑ ̒ ̓ ̔ ̕ ̖ ̗ ̘ ̙ ̚ ̛ ̜ ̝ ̞ ̟ ̠ ̡ ̢ ̣ ̤ ̥ ̦ ̧ ̨ ̩ ̪ ̫ ̬ ̭ ̮ ̯ ̰ ̱ ̲ ̳ ̴ ̵ ̶ ̷ ̸ ̹ ̺ ̻ ̼ ̽ ̾ ̿ ̀ ́ ͂ ̓ ̈́ ͅ ͠ ͡ 
+Greek
+    ʹ ͵ ͺ ; ΄ ΅ Ά · Έ Ή Ί Ό Ύ Ώ ΐ Α Β Γ Δ Ε Ζ Η Θ Ι Κ Λ Μ Ν Ξ Ο Π Ρ Σ Τ Υ Φ Χ Ψ Ω Ϊ Ϋ ά έ ή ί ΰ α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ ς σ τ υ φ χ ψ ω ϊ ϋ ό ύ ώ ϐ ϑ ϒ ϓ ϔ ϕ ϖ Ϛ Ϝ Ϟ Ϡ Ϣ ϣ Ϥ ϥ Ϧ ϧ Ϩ ϩ Ϫ ϫ Ϭ ϭ Ϯ ϯ ϰ ϱ ϲ ϳ 
+Cyrillic
+    Ё Ђ Ѓ Є Ѕ І Ї Ј Љ Њ Ћ Ќ Ў Џ А Б В Г Д Е Ж З И Й К Л М Н О П Р С Т У Ф Х Ц Ч Ш Щ Ъ Ы Ь Э Ю Я а б в г д е ж з и й к л м н о п р с т у ф х ц ч ш щ ъ ы ь э ю я ё ђ ѓ є ѕ і ї ј љ њ ћ ќ ў џ Ѡ ѡ Ѣ ѣ Ѥ ѥ Ѧ ѧ Ѩ ѩ Ѫ ѫ Ѭ ѭ Ѯ ѯ Ѱ ѱ Ѳ ѳ Ѵ ѵ Ѷ ѷ Ѹ ѹ Ѻ ѻ Ѽ ѽ Ѿ ѿ Ҁ ҁ ҂ ҃ ... 
+Armenian
+    Ա Բ Գ Դ Ե Զ Է Ը Թ Ժ Ի Լ Խ Ծ Կ Հ Ձ Ղ Ճ Մ Յ Ն Շ Ո Չ Պ Ջ Ռ Ս Վ Տ Ր Ց Ւ Փ Ք Օ Ֆ ՙ ՚ ՛ ՜ ՝ ՞ ՟ ա բ գ դ ե զ է ը թ ժ ի լ խ ծ կ հ ձ ղ ճ մ յ ն շ ո չ պ ջ ռ ս վ տ ր ց ւ փ ք օ ֆ և ։ 
+Hebrew
+    ֑ ֒ ֓ ֔ ֕ ֖ ֗ ֘ ֙ ֚ ֛ ֜ ֝ ֞ ֟ ֠ ֡ ֣ ֤ ֥ ֦ ֧ ֨ ֩ ֪ ֫ ֬ ֭ ֮ ֯ ְ ֱ ֲ ֳ ִ ֵ ֶ ַ ָ ֹ ֻ ּ ֽ ־ ֿ ׀ ׁ ׂ ׃ ׄ א ב ג ד ה ו ז ח ט י ך כ ל ם מ ן נ ס ע ף פ ץ צ ק ר ש ת װ ױ ײ ׳ ״ 
+Arabic
+    ، ؛ ؟ ء آ أ ؤ إ ئ ا ب ة ت ث ج ح خ د ذ ر ز س ش ص ض ط ظ ع غ ـ ف ق ك ل م ن ه و ى ي ً ٌ ٍ َ ُ ِ ّ ْ ٠ ١ ٢ ٣ ٤ ٥ ٦ ٧ ٨ ٩ ٪ ٫ ٬ ٭ ٰ ٱ ٲ ٳ ٴ ٵ ٶ ٷ ٸ ٹ ٺ ٻ ټ ٽ پ ٿ ڀ ځ ڂ ڃ ڄ څ چ ڇ ڈ ډ ڊ ڋ ڌ ڍ ڎ ڏ ڐ ڑ ڒ ړ ڔ ڕ ږ ڗ ژ ڙ ښ ڛ ڜ ڝ ڞ ڟ ڠ ڡ ڢ ڣ ڤ ڥ ڦ ڧ ڨ ک ڪ ګ ڬ ڭ ڮ گ ڰ ڱ ... 
+Devanagari
+    ँ ं ः अ आ इ ई उ ऊ ऋ ऌ ऍ ऎ ए ऐ ऑ ऒ ओ औ क ख ग घ ङ च छ ज झ ञ ट ठ ड ढ ण त थ द ध न ऩ प फ ब भ म य र ऱ ल ळ ऴ व श ष स ह ़ ऽ ा ि ी ु ू ृ ॄ ॅ ॆ े ै ॉ ॊ ो ौ ् ॐ ॑ ॒ ॓ ॔ क़ ख़ ग़ ज़ ड़ ढ़ फ़ य़ ॠ ॡ ॢ ॣ । ॥ ० १ २ ३ ४ ५ ६ ७ ८ ९ ॰ 
+Bengali
+    ঁ ং ঃ অ আ ই ঈ উ ঊ ঋ ঌ এ ঐ ও ঔ ক খ গ ঘ ঙ চ ছ জ ঝ ঞ ট ঠ ড ঢ ণ ত থ দ ধ ন প ফ ব ভ ম য র ল শ ষ স হ ় া ি ী ু ূ ৃ ৄ ে ৈ ো ৌ ্ ৗ ড় ঢ় য় ৠ ৡ ৢ ৣ ০ ১ ২ ৩ ৪ ৫ ৬ ৭ ৮ ৯ ৰ ৱ ৲ ৳ ৴ ৵ ৶ ৷ ৸ ৹ ৺ 
+Gurmukhi
+    ਂ ਅ ਆ ਇ ਈ ਉ ਊ ਏ ਐ ਓ ਔ ਕ ਖ ਗ ਘ ਙ ਚ ਛ ਜ ਝ ਞ ਟ ਠ ਡ ਢ ਣ ਤ ਥ ਦ ਧ ਨ ਪ ਫ ਬ ਭ ਮ ਯ ਰ ਲ ਲ਼ ਵ ਸ਼ ਸ ਹ ਼ ਾ ਿ ੀ ੁ ੂ ੇ ੈ ੋ ੌ ੍ ਖ਼ ਗ਼ ਜ਼ ੜ ਫ਼ ੦ ੧ ੨ ੩ ੪ ੫ ੬ ੭ ੮ ੯ ੰ ੱ ੲ ੳ ੴ 
+Gujarati
+    ઁ ં ઃ અ આ ઇ ઈ ઉ ઊ ઋ ઍ એ ઐ ઑ ઓ ઔ ક ખ ગ ઘ ઙ ચ છ જ ઝ ઞ ટ ઠ ડ ઢ ણ ત થ દ ધ ન પ ફ બ ભ મ ય ર લ ળ વ શ ષ સ હ ઼ ઽ ા િ ી ુ ૂ ૃ ૄ ૅ ે ૈ ૉ ો ૌ ્ ૐ ૠ ૦ ૧ ૨ ૩ ૪ ૫ ૬ ૭ ૮ ૯ 
+Oriya
+    ଁ ଂ ଃ ଅ ଆ ଇ ଈ ଉ ଊ ଋ ଌ ଏ ଐ ଓ ଔ କ ଖ ଗ ଘ ଙ ଚ ଛ ଜ ଝ ଞ ଟ ଠ ଡ ଢ ଣ ତ ଥ ଦ ଧ ନ ପ ଫ ବ ଭ ମ ଯ ର ଲ ଳ ଶ ଷ ସ ହ ଼ ଽ ା ି ୀ ୁ ୂ ୃ େ ୈ ୋ ୌ ୍ ୖ ୗ ଡ଼ ଢ଼ ୟ ୠ ୡ ୦ ୧ ୨ ୩ ୪ ୫ ୬ ୭ ୮ ୯ ୰ 
+Tamil
+    ஂ ஃ அ ஆ இ ஈ உ ஊ எ ஏ ஐ ஒ ஓ ஔ க ங ச ஜ ஞ ட ண த ந ன ப ம ய ர ற ல ள ழ வ ஷ ஸ ஹ ா ி ீ ு ூ ெ ே ை ொ ோ ௌ ் ௗ ௧ ௨ ௩ ௪ ௫ ௬ ௭ ௮ ௯ ௰ ௱ ௲ 
+Telugu
+    ఁ ం ః అ ఆ ఇ ఈ ఉ ఊ ఋ ఌ ఎ ఏ ఐ ఒ ఓ ఔ క ఖ గ ఘ ఙ చ ఛ జ ఝ ఞ ట ఠ డ ఢ ణ త థ ద ధ న ప ఫ బ భ మ య ర ఱ ల ళ వ శ ష స హ ా ి ీ ు ూ ృ ౄ ె ే ై ొ ో ౌ ్ ౕ ౖ ౠ ౡ ౦ ౧ ౨ ౩ ౪ ౫ ౬ ౭ ౮ ౯ 
+Kannada
+    ಂ ಃ ಅ ಆ ಇ ಈ ಉ ಊ ಋ ಌ ಎ ಏ ಐ ಒ ಓ ಔ ಕ ಖ ಗ ಘ ಙ ಚ ಛ ಜ ಝ ಞ ಟ ಠ ಡ ಢ ಣ ತ ಥ ದ ಧ ನ ಪ ಫ ಬ ಭ ಮ ಯ ರ ಱ ಲ ಳ ವ ಶ ಷ ಸ ಹ ಾ ಿ ೀ ು ೂ ೃ ೄ ೆ ೇ ೈ ೊ ೋ ೌ ್ ೕ ೖ ೞ ೠ ೡ ೦ ೧ ೨ ೩ ೪ ೫ ೬ ೭ ೮ ೯ 
+Malayalam
+    ം ഃ അ ആ ഇ ഈ ഉ ഊ ഋ ഌ എ ഏ ഐ ഒ ഓ ഔ ക ഖ ഗ ഘ ങ ച ഛ ജ ഝ ഞ ട ഠ ഡ ഢ ണ ത ഥ ദ ധ ന പ ഫ ബ ഭ മ യ ര റ ല ള ഴ വ ശ ഷ സ ഹ ാ ി ീ ു ൂ ൃ െ േ ൈ ൊ ോ ൌ ് ൗ ൠ ൡ ൦ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮ ൯ 
+Thai
+    ก ข ฃ ค ฅ ฆ ง จ ฉ ช ซ ฌ ญ ฎ ฏ ฐ ฑ ฒ ณ ด ต ถ ท ธ น บ ป ผ ฝ พ ฟ ภ ม ย ร ฤ ล ฦ ว ศ ษ ส ห ฬ อ ฮ ฯ ะ ั า ำ ิ ี ึ ื ุ ู ฺ ฿ เ แ โ ใ ไ ๅ ๆ ็ ่ ้ ๊ ๋ ์ ํ ๎ ๏ ๐ ๑ ๒ ๓ ๔ ๕ ๖ ๗ ๘ ๙ ๚ ๛ 
+Lao
+    ກ ຂ ຄ ງ ຈ ຊ ຍ ດ ຕ ຖ ທ ນ ບ ປ ຜ ຝ ພ ຟ ມ ຢ ຣ ລ ວ ສ ຫ ອ ຮ ຯ ະ ັ າ ຳ ິ ີ ຶ ື ຸ ູ ົ ຼ ຽ ເ ແ ໂ ໃ ໄ ໆ ່ ້ ໊ ໋ ໌ ໍ ໐ ໑ ໒ ໓ ໔ ໕ ໖ ໗ ໘ ໙ ໜ ໝ 
+Tibetan
+    ༀ ༁ ༂ ༃ ༄ ༅ ༆ ༇ ༈ ༉ ༊ ་ ༌ ། ༎ ༏ ༐ ༑ ༒ ༓ ༔ ༕ ༖ ༗ ༘ ༙ ༚ ༛ ༜ ༝ ༞ ༟ ༠ ༡ ༢ ༣ ༤ ༥ ༦ ༧ ༨ ༩ ༪ ༫ ༬ ༭ ༮ ༯ ༰ ༱ ༲ ༳ ༴ ༵ ༶ ༷ ༸ ༹ ༺ ༻ ༼ ༽ ༾ ༿ ཀ ཁ ག གྷ ང ཅ ཆ ཇ ཉ ཊ ཋ ཌ ཌྷ ཎ ཏ ཐ ད དྷ ན པ ཕ བ བྷ མ ཙ ཚ ཛ ཛྷ ཝ ཞ ཟ འ ཡ ར ལ ཤ ཥ ས ཧ ཨ ཀྵ ཱ ི ཱི ུ ཱུ ྲྀ ཷ ླྀ ཹ ེ ཻ ོ ཽ ཾ ཿ ྀ ཱྀ ྂ ྃ ྄ ྅ ྆ ྇ ... 
+Georgian
+    Ⴀ Ⴁ Ⴂ Ⴃ Ⴄ Ⴅ Ⴆ Ⴇ Ⴈ Ⴉ Ⴊ Ⴋ Ⴌ Ⴍ Ⴎ Ⴏ Ⴐ Ⴑ Ⴒ Ⴓ Ⴔ Ⴕ Ⴖ Ⴗ Ⴘ Ⴙ Ⴚ Ⴛ Ⴜ Ⴝ Ⴞ Ⴟ Ⴠ Ⴡ Ⴢ Ⴣ Ⴤ Ⴥ ა ბ გ დ ე ვ ზ თ ი კ ლ მ ნ ო პ ჟ რ ს ტ უ ფ ქ ღ ყ შ ჩ ც ძ წ ჭ ხ ჯ ჰ ჱ ჲ ჳ ჴ ჵ ჶ ჻ 
+Hangul Jamo
+    ᄀ ᄁ ᄂ ᄃ ᄄ ᄅ ᄆ ᄇ ᄈ ᄉ ᄊ ᄋ ᄌ ᄍ ᄎ ᄏ ᄐ ᄑ ᄒ ᄓ ᄔ ᄕ ᄖ ᄗ ᄘ ᄙ ᄚ ᄛ ᄜ ᄝ ᄞ ᄟ ᄠ ᄡ ᄢ ᄣ ᄤ ᄥ ᄦ ᄧ ᄨ ᄩ ᄪ ᄫ ᄬ ᄭ ᄮ ᄯ ᄰ ᄱ ᄲ ᄳ ᄴ ᄵ ᄶ ᄷ ᄸ ᄹ ᄺ ᄻ ᄼ ᄽ ᄾ ᄿ ᅀ ᅁ ᅂ ᅃ ᅄ ᅅ ᅆ ᅇ ᅈ ᅉ ᅊ ᅋ ᅌ ᅍ ᅎ ᅏ ᅐ ᅑ ᅒ ᅓ ᅔ ᅕ ᅖ ᅗ ᅘ ᅙ ᅟ ᅠ ᅡ ᅢ ᅣ ᅤ ᅥ ᅦ ᅧ ᅨ ᅩ ᅪ ᅫ ᅬ ᅭ ᅮ ᅯ ᅰ ᅱ ᅲ ᅳ ᅴ ᅵ ᅶ ᅷ ᅸ ᅹ ᅺ ᅻ ᅼ ᅽ ᅾ ᅿ ᆀ ᆁ ᆂ ᆃ ᆄ ... 
+Latin Extended Additional
+    Ḁ ḁ Ḃ ḃ Ḅ ḅ Ḇ ḇ Ḉ ḉ Ḋ ḋ Ḍ ḍ Ḏ ḏ Ḑ ḑ Ḓ ḓ Ḕ ḕ Ḗ ḗ Ḙ ḙ Ḛ ḛ Ḝ ḝ Ḟ ḟ Ḡ ḡ Ḣ ḣ Ḥ ḥ Ḧ ḧ Ḩ ḩ Ḫ ḫ Ḭ ḭ Ḯ ḯ Ḱ ḱ Ḳ ḳ Ḵ ḵ Ḷ ḷ Ḹ ḹ Ḻ ḻ Ḽ ḽ Ḿ ḿ Ṁ ṁ Ṃ ṃ Ṅ ṅ Ṇ ṇ Ṉ ṉ Ṋ ṋ Ṍ ṍ Ṏ ṏ Ṑ ṑ Ṓ ṓ Ṕ ṕ Ṗ ṗ Ṙ ṙ Ṛ ṛ Ṝ ṝ Ṟ ṟ Ṡ ṡ Ṣ ṣ Ṥ ṥ Ṧ ṧ Ṩ ṩ Ṫ ṫ Ṭ ṭ Ṯ ṯ Ṱ ṱ Ṳ ṳ Ṵ ṵ Ṷ ṷ Ṹ ṹ Ṻ ṻ Ṽ ṽ Ṿ ṿ ... 
+Greek Extended
+    ἀ ἁ ἂ ἃ ἄ ἅ ἆ ἇ Ἀ Ἁ Ἂ Ἃ Ἄ Ἅ Ἆ Ἇ ἐ ἑ ἒ ἓ ἔ ἕ Ἐ Ἑ Ἒ Ἓ Ἔ Ἕ ἠ ἡ ἢ ἣ ἤ ἥ ἦ ἧ Ἠ Ἡ Ἢ Ἣ Ἤ Ἥ Ἦ Ἧ ἰ ἱ ἲ ἳ ἴ ἵ ἶ ἷ Ἰ Ἱ Ἲ Ἳ Ἴ Ἵ Ἶ Ἷ ὀ ὁ ὂ ὃ ὄ ὅ Ὀ Ὁ Ὂ Ὃ Ὄ Ὅ ὐ ὑ ὒ ὓ ὔ ὕ ὖ ὗ Ὑ Ὓ Ὕ Ὗ ὠ ὡ ὢ ὣ ὤ ὥ ὦ ὧ Ὠ Ὡ Ὢ Ὣ Ὤ Ὥ Ὦ Ὧ ὰ ά ὲ έ ὴ ή ὶ ί ὸ ό ὺ ύ ὼ ώ ᾀ ᾁ ᾂ ᾃ ᾄ ᾅ ᾆ ᾇ ᾈ ᾉ ᾊ ᾋ ᾌ ᾍ ... 
+General Punctuation
+                          ​ ‌ ‍ ‎ ‏ ‐ ‑ ‒ – — ― ‖ ‗ ‘ ’ ‚ ‛ “ ” „ ‟ † ‡ • ‣ ․ ‥ … ‧ 
 
 ‪ ‫ ‬ ‭ ‮ ‰ ‱ ′ ″ ‴ ‵ ‶ ‷ ‸ ‹ › ※ ‼ ‽ ‾ ‿ ⁀ ⁁ ⁂ ⁃ ⁄ ⁅ ⁆       
+Superscripts and Subscripts
+    ⁰ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁻ ⁼ ⁽ ⁾ ⁿ ₀ ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₊ ₋ ₌ ₍ ₎ 
+Currency Symbols
+    ₠ ₡ ₢ ₣ ₤ ₥ ₦ ₧ ₨ ₩ ₪ ₫ 
+Combining Marks for Symbols
+    ⃐ ⃑ ⃒ ⃓ ⃔ ⃕ ⃖ ⃗ ⃘ ⃙ ⃚ ⃛ ⃜ ⃝ ⃞ ⃟ ⃠ ⃡ 
+Letterlike Symbols
+    ℀ ℁ ℂ ℃ ℄ ℅ ℆ ℇ ℈ ℉ ℊ ℋ ℌ ℍ ℎ ℏ ℐ ℑ ℒ ℓ ℔ ℕ № ℗ ℘ ℙ ℚ ℛ ℜ ℝ ℞ ℟ ℠ ℡ ™ ℣ ℤ ℥ Ω ℧ ℨ ℩ K Å ℬ ℭ ℮ ℯ ℰ ℱ Ⅎ ℳ ℴ ℵ ℶ ℷ ℸ 
+Number Forms
+    ⅓ ⅔ ⅕ ⅖ ⅗ ⅘ ⅙ ⅚ ⅛ ⅜ ⅝ ⅞ ⅟ Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻ Ⅼ Ⅽ Ⅾ Ⅿ ⅰ ⅱ ⅲ ⅳ ⅴ ⅵ ⅶ ⅷ ⅸ ⅹ ⅺ ⅻ ⅼ ⅽ ⅾ ⅿ ↀ ↁ ↂ 
+Arrows
+    ← ↑ → ↓ ↔ ↕ ↖ ↗ ↘ ↙ ↚ ↛ ↜ ↝ ↞ ↟ ↠ ↡ ↢ ↣ ↤ ↥ ↦ ↧ ↨ ↩ ↪ ↫ ↬ ↭ ↮ ↯ ↰ ↱ ↲ ↳ ↴ ↵ ↶ ↷ ↸ ↹ ↺ ↻ ↼ ↽ ↾ ↿ ⇀ ⇁ ⇂ ⇃ ⇄ ⇅ ⇆ ⇇ ⇈ ⇉ ⇊ ⇋ ⇌ ⇍ ⇎ ⇏ ⇐ ⇑ ⇒ ⇓ ⇔ ⇕ ⇖ ⇗ ⇘ ⇙ ⇚ ⇛ ⇜ ⇝ ⇞ ⇟ ⇠ ⇡ ⇢ ⇣ ⇤ ⇥ ⇦ ⇧ ⇨ ⇩ ⇪ 
+Mathematical Operators
+    ∀ ∁ ∂ ∃ ∄ ∅ ∆ ∇ ∈ ∉ ∊ ∋ ∌ ∍ ∎ ∏ ∐ ∑ − ∓ ∔ ∕ ∖ ∗ ∘ ∙ √ ∛ ∜ ∝ ∞ ∟ ∠ ∡ ∢ ∣ ∤ ∥ ∦ ∧ ∨ ∩ ∪ ∫ ∬ ∭ ∮ ∯ ∰ ∱ ∲ ∳ ∴ ∵ ∶ ∷ ∸ ∹ ∺ ∻ ∼ ∽ ∾ ∿ ≀ ≁ ≂ ≃ ≄ ≅ ≆ ≇ ≈ ≉ ≊ ≋ ≌ ≍ ≎ ≏ ≐ ≑ ≒ ≓ ≔ ≕ ≖ ≗ ≘ ≙ ≚ ≛ ≜ ≝ ≞ ≟ ≠ ≡ ≢ ≣ ≤ ≥ ≦ ≧ ≨ ≩ ≪ ≫ ≬ ≭ ≮ ≯ ≰ ≱ ≲ ≳ ≴ ≵ ≶ ≷ ≸ ≹ ≺ ≻ ≼ ≽ ≾ ≿ ... 
+Miscellaneous Technical
+    ⌀ ⌂ ⌃ ⌄ ⌅ ⌆ ⌇ ⌈ ⌉ ⌊ ⌋ ⌌ ⌍ ⌎ ⌏ ⌐ ⌑ ⌒ ⌓ ⌔ ⌕ ⌖ ⌗ ⌘ ⌙ ⌚ ⌛ ⌜ ⌝ ⌞ ⌟ ⌠ ⌡ ⌢ ⌣ ⌤ ⌥ ⌦ ⌧ ⌨ 〈 〉 ⌫ ⌬ ⌭ ⌮ ⌯ ⌰ ⌱ ⌲ ⌳ ⌴ ⌵ ⌶ ⌷ ⌸ ⌹ ⌺ ⌻ ⌼ ⌽ ⌾ ⌿ ⍀ ⍁ ⍂ ⍃ ⍄ ⍅ ⍆ ⍇ ⍈ ⍉ ⍊ ⍋ ⍌ ⍍ ⍎ ⍏ ⍐ ⍑ ⍒ ⍓ ⍔ ⍕ ⍖ ⍗ ⍘ ⍙ ⍚ ⍛ ⍜ ⍝ ⍞ ⍟ ⍠ ⍡ ⍢ ⍣ ⍤ ⍥ ⍦ ⍧ ⍨ ⍩ ⍪ ⍫ ⍬ ⍭ ⍮ ⍯ ⍰ ⍱ ⍲ ⍳ ⍴ ⍵ ⍶ ⍷ ⍸ ⍹ ⍺ 
+Control Pictures
+    ␀ ␁ ␂ ␃ ␄ ␅ ␆ ␇ ␈ ␉ ␊ ␋ ␌ ␍ ␎ ␏ ␐ ␑ ␒ ␓ ␔ ␕ ␖ ␗ ␘ ␙ ␚ ␛ ␜ ␝ ␞ ␟ ␠ ␡ ␢ ␣ ␤ 
+Optical Character Recognition
+    ⑀ ⑁ ⑂ ⑃ ⑄ ⑅ ⑆ ⑇ ⑈ ⑉ ⑊ 
+Enclosed Alphanumerics
+    ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯ ⑰ ⑱ ⑲ ⑳ ⑴ ⑵ ⑶ ⑷ ⑸ ⑹ ⑺ ⑻ ⑼ ⑽ ⑾ ⑿ ⒀ ⒁ ⒂ ⒃ ⒄ ⒅ ⒆ ⒇ ⒈ ⒉ ⒊ ⒋ ⒌ ⒍ ⒎ ⒏ ⒐ ⒑ ⒒ ⒓ ⒔ ⒕ ⒖ ⒗ ⒘ ⒙ ⒚ ⒛ ⒜ ⒝ ⒞ ⒟ ⒠ ⒡ ⒢ ⒣ ⒤ ⒥ ⒦ ⒧ ⒨ ⒩ ⒪ ⒫ ⒬ ⒭ ⒮ ⒯ ⒰ ⒱ ⒲ ⒳ ⒴ ⒵ Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ ... 
+Box Drawing
+    ─ ━ │ ┃ ┄ ┅ ┆ ┇ ┈ ┉ ┊ ┋ ┌ ┍ ┎ ┏ ┐ ┑ ┒ ┓ └ ┕ ┖ ┗ ┘ ┙ ┚ ┛ ├ ┝ ┞ ┟ ┠ ┡ ┢ ┣ ┤ ┥ ┦ ┧ ┨ ┩ ┪ ┫ ┬ ┭ ┮ ┯ ┰ ┱ ┲ ┳ ┴ ┵ ┶ ┷ ┸ ┹ ┺ ┻ ┼ ┽ ┾ ┿ ╀ ╁ ╂ ╃ ╄ ╅ ╆ ╇ ╈ ╉ ╊ ╋ ╌ ╍ ╎ ╏ ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟ ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ ╭ ╮ ╯ ╰ ╱ ╲ ╳ ╴ ╵ ╶ ╷ ╸ ╹ ╺ ╻ ╼ ╽ ╾ ╿ 
+Block Elements
+    ▀ ▁ ▂ ▃ ▄ ▅ ▆ ▇ █ ▉ ▊ ▋ ▌ ▍ ▎ ▏ ▐ ░ ▒ ▓ ▔ ▕ 
+Geometric Shapes
+    ■ □ ▢ ▣ ▤ ▥ ▦ ▧ ▨ ▩ ▪ ▫ ▬ ▭ ▮ ▯ ▰ ▱ ▲ △ ▴ ▵ ▶ ▷ ▸ ▹ ► ▻ ▼ ▽ ▾ ▿ ◀ ◁ ◂ ◃ ◄ ◅ ◆ ◇ ◈ ◉ ◊ ○ ◌ ◍ ◎ ● ◐ ◑ ◒ ◓ ◔ ◕ ◖ ◗ ◘ ◙ ◚ ◛ ◜ ◝ ◞ ◟ ◠ ◡ ◢ ◣ ◤ ◥ ◦ ◧ ◨ ◩ ◪ ◫ ◬ ◭ ◮ ◯ 
+Miscellaneous Symbols
+    ☀ ☁ ☂ ☃ ☄ ★ ☆ ☇ ☈ ☉ ☊ ☋ ☌ ☍ ☎ ☏ ☐ ☑ ☒ ☓ ☚ ☛ ☜ ☝ ☞ ☟ ☠ ☡ ☢ ☣ ☤ ☥ ☦ ☧ ☨ ☩ ☪ ☫ ☬ ☭ ☮ ☯ ☰ ☱ ☲ ☳ ☴ ☵ ☶ ☷ ☸ ☹ ☺ ☻ ☼ ☽ ☾ ☿ ♀ ♁ ♂ ♃ ♄ ♅ ♆ ♇ ♈ ♉ ♊ ♋ ♌ ♍ ♎ ♏ ♐ ♑ ♒ ♓ ♔ ♕ ♖ ♗ ♘ ♙ ♚ ♛ ♜ ♝ ♞ ♟ ♠ ♡ ♢ ♣ ♤ ♥ ♦ ♧ ♨ ♩ ♪ ♫ ♬ ♭ ♮ ♯ 
+Dingbats
+    ✁ ✂ ✃ ✄ ✆ ✇ ✈ ✉ ✌ ✍ ✎ ✏ ✐ ✑ ✒ ✓ ✔ ✕ ✖ ✗ ✘ ✙ ✚ ✛ ✜ ✝ ✞ ✟ ✠ ✡ ✢ ✣ ✤ ✥ ✦ ✧ ✩ ✪ ✫ ✬ ✭ ✮ ✯ ✰ ✱ ✲ ✳ ✴ ✵ ✶ ✷ ✸ ✹ ✺ ✻ ✼ ✽ ✾ ✿ ❀ ❁ ❂ ❃ ❄ ❅ ❆ ❇ ❈ ❉ ❊ ❋ ❍ ❏ ❐ ❑ ❒ ❖ ❘ ❙ ❚ ❛ ❜ ❝ ❞ ❡ ❢ ❣ ❤ ❥ ❦ ❧ ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ ❿ ➀ ➁ ➂ ➃ ➄ ➅ ➆ ➇ ➈ ➉ ➊ ➋ ➌ ➍ ➎ ➏ ➐ ➑ ➒ ➓ ➔ ➘ ➙ ➚ ➛ ➜ ➝ ... 
+CJK Symbols and Punctuation
+    　 、 。 〃 〄 々 〆 〇 〈 〉 《 》 「 」 『 』 【 】 〒 〓 〔 〕 〖 〗 〘 〙 〚 〛 〜 〝 〞 〟 〠 〡 〢 〣 〤 〥 〦 〧 〨 〩 〪 〫 〬 〭 〮 〯 〰 〱 〲 〳 〴 〵 〶 〷 〿 
+Hiragana
+    ぁ あ ぃ い ぅ う ぇ え ぉ お か が き ぎ く ぐ け げ こ ご さ ざ し じ す ず せ ぜ そ ぞ た だ ち ぢ っ つ づ て で と ど な に ぬ ね の は ば ぱ ひ び ぴ ふ ぶ ぷ へ べ ぺ ほ ぼ ぽ ま み む め も ゃ や ゅ ゆ ょ よ ら り る れ ろ ゎ わ ゐ ゑ を ん ゔ ゙ ゚ ゛ ゜ ゝ ゞ 
+Katakana
+    ァ ア ィ イ ゥ ウ ェ エ ォ オ カ ガ キ ギ ク グ ケ ゲ コ ゴ サ ザ シ ジ ス ズ セ ゼ ソ ゾ タ ダ チ ヂ ッ ツ ヅ テ デ ト ド ナ ニ ヌ ネ ノ ハ バ パ ヒ ビ ピ フ ブ プ ヘ ベ ペ ホ ボ ポ マ ミ ム メ モ ャ ヤ ュ ユ ョ ヨ ラ リ ル レ ロ ヮ ワ ヰ ヱ ヲ ン ヴ ヵ ヶ ヷ ヸ ヹ ヺ ・ ー ヽ ヾ 
+Bopomofo
+    ㄅ ㄆ ㄇ ㄈ ㄉ ㄊ ㄋ ㄌ ㄍ ㄎ ㄏ ㄐ ㄑ ㄒ ㄓ ㄔ ㄕ ㄖ ㄗ ㄘ ㄙ ㄚ ㄛ ㄜ ㄝ ㄞ ㄟ ㄠ ㄡ ㄢ ㄣ ㄤ ㄥ ㄦ ㄧ ㄨ ㄩ ㄪ ㄫ ㄬ 
+Hangul Compatibility Jamo
+    ㄱ ㄲ ㄳ ㄴ ㄵ ㄶ ㄷ ㄸ ㄹ ㄺ ㄻ ㄼ ㄽ ㄾ ㄿ ㅀ ㅁ ㅂ ㅃ ㅄ ㅅ ㅆ ㅇ ㅈ ㅉ ㅊ ㅋ ㅌ ㅍ ㅎ ㅏ ㅐ ㅑ ㅒ ㅓ ㅔ ㅕ ㅖ ㅗ ㅘ ㅙ ㅚ ㅛ ㅜ ㅝ ㅞ ㅟ ㅠ ㅡ ㅢ ㅣ ㅤ ㅥ ㅦ ㅧ ㅨ ㅩ ㅪ ㅫ ㅬ ㅭ ㅮ ㅯ ㅰ ㅱ ㅲ ㅳ ㅴ ㅵ ㅶ ㅷ ㅸ ㅹ ㅺ ㅻ ㅼ ㅽ ㅾ ㅿ ㆀ ㆁ ㆂ ㆃ ㆄ ㆅ ㆆ ㆇ ㆈ ㆉ ㆊ ㆋ ㆌ ㆍ ㆎ 
+Kanbun
+    ㆐ ㆑ ㆒ ㆓ ㆔ ㆕ ㆖ ㆗ ㆘ ㆙ ㆚ ㆛ ㆜ ㆝ ㆞ ㆟ 
+Enclosed CJK Letters and Months
+    ㈀ ㈁ ㈂ ㈃ ㈄ ㈅ ㈆ ㈇ ㈈ ㈉ ㈊ ㈋ ㈌ ㈍ ㈎ ㈏ ㈐ ㈑ ㈒ ㈓ ㈔ ㈕ ㈖ ㈗ ㈘ ㈙ ㈚ ㈛ ㈜ ㈠ ㈡ ㈢ ㈣ ㈤ ㈥ ㈦ ㈧ ㈨ ㈩ ㈪ ㈫ ㈬ ㈭ ㈮ ㈯ ㈰ ㈱ ㈲ ㈳ ㈴ ㈵ ㈶ ㈷ ㈸ ㈹ ㈺ ㈻ ㈼ ㈽ ㈾ ㈿ ㉀ ㉁ ㉂ ㉃ ㉠ ㉡ ㉢ ㉣ ㉤ ㉥ ㉦ ㉧ ㉨ ㉩ ㉪ ㉫ ㉬ ㉭ ㉮ ㉯ ㉰ ㉱ ㉲ ㉳ ㉴ ㉵ ㉶ ㉷ ㉸ ㉹ ㉺ ㉻ ㉿ ㊀ ㊁ ㊂ ㊃ ㊄ ㊅ ㊆ ㊇ ㊈ ㊉ ㊊ ㊋ ㊌ ㊍ ㊎ ㊏ ㊐ ㊑ ㊒ ㊓ ㊔ ㊕ ㊖ ㊗ ㊘ ㊙ ㊚ ㊛ ㊜ ㊝ ㊞ ㊟ ㊠ ㊡ ... 
+CJK Compatibility
+    ㌀ ㌁ ㌂ ㌃ ㌄ ㌅ ㌆ ㌇ ㌈ ㌉ ㌊ ㌋ ㌌ ㌍ ㌎ ㌏ ㌐ ㌑ ㌒ ㌓ ㌔ ㌕ ㌖ ㌗ ㌘ ㌙ ㌚ ㌛ ㌜ ㌝ ㌞ ㌟ ㌠ ㌡ ㌢ ㌣ ㌤ ㌥ ㌦ ㌧ ㌨ ㌩ ㌪ ㌫ ㌬ ㌭ ㌮ ㌯ ㌰ ㌱ ㌲ ㌳ ㌴ ㌵ ㌶ ㌷ ㌸ ㌹ ㌺ ㌻ ㌼ ㌽ ㌾ ㌿ ㍀ ㍁ ㍂ ㍃ ㍄ ㍅ ㍆ ㍇ ㍈ ㍉ ㍊ ㍋ ㍌ ㍍ ㍎ ㍏ ㍐ ㍑ ㍒ ㍓ ㍔ ㍕ ㍖ ㍗ ㍘ ㍙ ㍚ ㍛ ㍜ ㍝ ㍞ ㍟ ㍠ ㍡ ㍢ ㍣ ㍤ ㍥ ㍦ ㍧ ㍨ ㍩ ㍪ ㍫ ㍬ ㍭ ㍮ ㍯ ㍰ ㍱ ㍲ ㍳ ㍴ ㍵ ㍶ ㍻ ㍼ ㍽ ㍾ ㍿ ㎀ ㎁ ㎂ ㎃ ... 
+CJK Unified Ideographs
+    一 丁 丂 七 丄 丅 丆 万 丈 三 上 下 丌 不 与 丏 丐 丑 丒 专 且 丕 世 丗 丘 丙 业 丛 东 丝 丞 丟 丠 両 丢 丣 两 严 並 丧 丨 丩 个 丫 丬 中 丮 丯 丰 丱 串 丳 临 丵 丶 丷 丸 丹 为 主 丼 丽 举 丿 乀 乁 乂 乃 乄 久 乆 乇 么 义 乊 之 乌 乍 乎 乏 乐 乑 乒 乓 乔 乕 乖 乗 乘 乙 乚 乛 乜 九 乞 也 习 乡 乢 乣 乤 乥 书 乧 乨 乩 乪 乫 乬 乭 乮 乯 买 乱 乲 乳 乴 乵 乶 乷 乸 乹 乺 乻 乼 乽 乾 乿 ... 
+Hangul Syllables
+    가 각 갂 갃 간 갅 갆 갇 갈 갉 갊 갋 갌 갍 갎 갏 감 갑 값 갓 갔 강 갖 갗 갘 같 갚 갛 개 객 갞 갟 갠 갡 갢 갣 갤 갥 갦 갧 갨 갩 갪 갫 갬 갭 갮 갯 갰 갱 갲 갳 갴 갵 갶 갷 갸 갹 갺 갻 갼 갽 갾 갿 걀 걁 걂 걃 걄 걅 걆 걇 걈 걉 걊 걋 걌 걍 걎 걏 걐 걑 걒 걓 걔 걕 걖 걗 걘 걙 걚 걛 걜 걝 걞 걟 걠 걡 걢 걣 걤 걥 걦 걧 걨 걩 걪 걫 걬 걭 걮 걯 거 걱 걲 걳 건 걵 걶 걷 걸 걹 걺 걻 걼 걽 걾 걿 ... 
+Private Use
+                                                                                                                                    ... 
+CJK Compatibility Ideographs
+    豈 更 車 賈 滑 串 句 龜 龜 契 金 喇 奈 懶 癩 羅 蘿 螺 裸 邏 樂 洛 烙 珞 落 酪 駱 亂 卵 欄 爛 蘭 鸞 嵐 濫 藍 襤 拉 臘 蠟 廊 朗 浪 狼 郎 來 冷 勞 擄 櫓 爐 盧 老 蘆 虜 路 露 魯 鷺 碌 祿 綠 菉 錄 鹿 論 壟 弄 籠 聾 牢 磊 賂 雷 壘 屢 樓 淚 漏 累 縷 陋 勒 肋 凜 凌 稜 綾 菱 陵 讀 拏 樂 諾 丹 寧 怒 率 異 北 磻 便 復 不 泌 數 索 參 塞 省 葉 說 殺 辰 沈 拾 若 掠 略 亮 兩 凉 梁 糧 良 諒 量 勵 ... 
+Alphabetic Presentation Forms
+    ff fi fl ffi ffl ſt st ﬓ ﬔ ﬕ ﬖ ﬗ ﬞ ײַ ﬠ ﬡ ﬢ ﬣ ﬤ ﬥ ﬦ ﬧ ﬨ ﬩ שׁ שׂ שּׁ שּׂ אַ אָ אּ בּ גּ דּ הּ וּ זּ טּ יּ ךּ כּ לּ מּ נּ סּ ףּ פּ צּ קּ רּ שּ תּ וֹ בֿ כֿ פֿ ﭏ 
+Arabic Presentation Forms-A
+    ﭐ ﭑ ﭒ ﭓ ﭔ ﭕ ﭖ ﭗ ﭘ ﭙ ﭚ ﭛ ﭜ ﭝ ﭞ ﭟ ﭠ ﭡ ﭢ ﭣ ﭤ ﭥ ﭦ ﭧ ﭨ ﭩ ﭪ ﭫ ﭬ ﭭ ﭮ ﭯ ﭰ ﭱ ﭲ ﭳ ﭴ ﭵ ﭶ ﭷ ﭸ ﭹ ﭺ ﭻ ﭼ ﭽ ﭾ ﭿ ﮀ ﮁ ﮂ ﮃ ﮄ ﮅ ﮆ ﮇ ﮈ ﮉ ﮊ ﮋ ﮌ ﮍ ﮎ ﮏ ﮐ ﮑ ﮒ ﮓ ﮔ ﮕ ﮖ ﮗ ﮘ ﮙ ﮚ ﮛ ﮜ ﮝ ﮞ ﮟ ﮠ ﮡ ﮢ ﮣ ﮤ ﮥ ﮦ ﮧ ﮨ ﮩ ﮪ ﮫ ﮬ ﮭ ﮮ ﮯ ﮰ ﮱ ﯓ ﯔ ﯕ ﯖ ﯗ ﯘ ﯙ ﯚ ﯛ ﯜ ﯝ ﯞ ﯟ ﯠ ﯡ ﯢ ﯣ ﯤ ﯥ ﯦ ﯧ ﯨ ﯩ ﯪ ﯫ ﯬ ﯭ ﯮ ﯯ ﯰ ... 
+Combining Half Marks
+    ︠ ︡ ︢ ︣ 
+CJK Compatibility Forms
+    ︰ ︱ ︲ ︳ ︴ ︵ ︶ ︷ ︸ ︹ ︺ ︻ ︼ ︽ ︾ ︿ ﹀ ﹁ ﹂ ﹃ ﹄ ﹉ ﹊ ﹋ ﹌ ﹍ ﹎ ﹏ 
+Small Form Variants
+    ﹐ ﹑ ﹒ ﹔ ﹕ ﹖ ﹗ ﹘ ﹙ ﹚ ﹛ ﹜ ﹝ ﹞ ﹟ ﹠ ﹡ ﹢ ﹣ ﹤ ﹥ ﹦ ﹨ ﹩ ﹪ ﹫ 
+Arabic Presentation Forms-B
+    ﹰ ﹱ ﹲ ﹴ ﹶ ﹷ ﹸ ﹹ ﹺ ﹻ ﹼ ﹽ ﹾ ﹿ ﺀ ﺁ ﺂ ﺃ ﺄ ﺅ ﺆ ﺇ ﺈ ﺉ ﺊ ﺋ ﺌ ﺍ ﺎ ﺏ ﺐ ﺑ ﺒ ﺓ ﺔ ﺕ ﺖ ﺗ ﺘ ﺙ ﺚ ﺛ ﺜ ﺝ ﺞ ﺟ ﺠ ﺡ ﺢ ﺣ ﺤ ﺥ ﺦ ﺧ ﺨ ﺩ ﺪ ﺫ ﺬ ﺭ ﺮ ﺯ ﺰ ﺱ ﺲ ﺳ ﺴ ﺵ ﺶ ﺷ ﺸ ﺹ ﺺ ﺻ ﺼ ﺽ ﺾ ﺿ ﻀ ﻁ ﻂ ﻃ ﻄ ﻅ ﻆ ﻇ ﻈ ﻉ ﻊ ﻋ ﻌ ﻍ ﻎ ﻏ ﻐ ﻑ ﻒ ﻓ ﻔ ﻕ ﻖ ﻗ ﻘ ﻙ ﻚ ﻛ ﻜ ﻝ ﻞ ﻟ ﻠ ﻡ ﻢ ﻣ ﻤ ﻥ ﻦ ﻧ ﻨ ﻩ ﻪ ﻫ ﻬ ﻭ ﻮ ﻯ ﻰ ﻱ ... 
+Halfwidth and Fullwidth Forms
+    ！ ＂ ＃ ＄ ％ ＆ ＇ （ ） ＊ ＋ ， － ． ／ ０ １ ２ ３ ４ ５ ６ ７ ８ ９ ： ； ＜ ＝ ＞ ？ ＠ Ａ Ｂ Ｃ Ｄ Ｅ Ｆ Ｇ Ｈ Ｉ Ｊ Ｋ Ｌ Ｍ Ｎ Ｏ Ｐ Ｑ Ｒ Ｓ Ｔ Ｕ Ｖ Ｗ Ｘ Ｙ Ｚ ［ ＼ ］ ＾ ＿ ｀ ａ ｂ ｃ ｄ ｅ ｆ ｇ ｈ ｉ ｊ ｋ ｌ ｍ ｎ ｏ ｐ ｑ ｒ ｓ ｔ ｕ ｖ ｗ ｘ ｙ ｚ ｛ ｜ ｝ ～ ｡ ｢ ｣ ､ ･ ｦ ｧ ｨ ｩ ｪ ｫ ｬ ｭ ｮ ｯ ｰ ｱ ｲ ｳ ｴ ｵ ｶ ｷ ｸ ｹ ｺ ｻ ｼ ｽ ｾ ｿ ﾀ ﾁ ﾂ ... 
+Specials
+     
+Specials
+    <20> 
+

app/src/androidTest/java/com/kunzisoft/keepass/tests/stream/BinaryAttachmentTest.kt

@@ -0,0 +1,156 @@
+package com.kunzisoft.keepass.tests.stream
+
+import android.content.Context
+import androidx.test.platform.app.InstrumentationRegistry
+import com.kunzisoft.keepass.database.element.Database
+import com.kunzisoft.keepass.database.element.database.BinaryAttachment
+import com.kunzisoft.keepass.stream.readAllBytes
+import com.kunzisoft.keepass.utils.UriUtil
+import junit.framework.TestCase.assertEquals
+import org.junit.Test
+import java.io.DataInputStream
+import java.io.File
+import java.io.InputStream
+import java.lang.Exception
+import java.security.MessageDigest
+
+class BinaryAttachmentTest {
+
+    private val context: Context by lazy {
+        InstrumentationRegistry.getInstrumentation().context
+    }
+
+    private val cacheDirectory = UriUtil.getBinaryDir(InstrumentationRegistry.getInstrumentation().targetContext)
+    private val fileA = File(cacheDirectory, TEST_FILE_CACHE_A)
+    private val fileB = File(cacheDirectory, TEST_FILE_CACHE_B)
+    private val fileC = File(cacheDirectory, TEST_FILE_CACHE_C)
+
+    private val loadedKey = Database.LoadedKey.generateNewCipherKey()
+
+    private fun saveBinary(asset: String, binaryAttachment: BinaryAttachment) {
+        context.assets.open(asset).use { assetInputStream ->
+            binaryAttachment.getOutputDataStream(loadedKey).use { binaryOutputStream ->
+                assetInputStream.readAllBytes(DEFAULT_BUFFER_SIZE) { buffer ->
+                    binaryOutputStream.write(buffer)
+                }
+            }
+        }
+    }
+
+    @Test
+    fun testSaveTextInCache() {
+        val binaryA = BinaryAttachment(fileA)
+        val binaryB = BinaryAttachment(fileB)
+        saveBinary(TEST_TEXT_ASSET, binaryA)
+        saveBinary(TEST_TEXT_ASSET, binaryB)
+        assertEquals("Save text binary length failed.", binaryA.length, binaryB.length)
+        assertEquals("Save text binary MD5 failed.", binaryA.md5(), binaryB.md5())
+    }
+
+    @Test
+    fun testSaveImageInCache() {
+        val binaryA = BinaryAttachment(fileA)
+        val binaryB = BinaryAttachment(fileB)
+        saveBinary(TEST_IMAGE_ASSET, binaryA)
+        saveBinary(TEST_IMAGE_ASSET, binaryB)
+        assertEquals("Save image binary length failed.", binaryA.length, binaryB.length)
+        assertEquals("Save image binary failed.", binaryA.md5(), binaryB.md5())
+    }
+
+    @Test
+    fun testCompressText() {
+        val binaryA = BinaryAttachment(fileA)
+        val binaryB = BinaryAttachment(fileB)
+        val binaryC = BinaryAttachment(fileC)
+        saveBinary(TEST_TEXT_ASSET, binaryA)
+        saveBinary(TEST_TEXT_ASSET, binaryB)
+        saveBinary(TEST_TEXT_ASSET, binaryC)
+        binaryA.compress(loadedKey)
+        binaryB.compress(loadedKey)
+        assertEquals("Compress text length failed.", binaryA.length, binaryB.length)
+        assertEquals("Compress text MD5 failed.", binaryA.md5(), binaryB.md5())
+        binaryB.decompress(loadedKey)
+        assertEquals("Decompress text length failed.", binaryB.length, binaryC.length)
+        assertEquals("Decompress text MD5 failed.", binaryB.md5(), binaryC.md5())
+    }
+
+    @Test
+    fun testCompressImage() {
+        val binaryA = BinaryAttachment(fileA)
+        var binaryB = BinaryAttachment(fileB)
+        val binaryC = BinaryAttachment(fileC)
+        saveBinary(TEST_IMAGE_ASSET, binaryA)
+        saveBinary(TEST_IMAGE_ASSET, binaryB)
+        saveBinary(TEST_IMAGE_ASSET, binaryC)
+        binaryA.compress(loadedKey)
+        binaryB.compress(loadedKey)
+        assertEquals("Compress image length failed.", binaryA.length, binaryA.length)
+        assertEquals("Compress image failed.", binaryA.md5(), binaryA.md5())
+        binaryB = BinaryAttachment(fileB, true)
+        binaryB.decompress(loadedKey)
+        assertEquals("Decompress image length failed.", binaryB.length, binaryC.length)
+        assertEquals("Decompress image failed.", binaryB.md5(), binaryC.md5())
+    }
+
+    @Test
+    fun testReadText() {
+        val binaryA = BinaryAttachment(fileA)
+        saveBinary(TEST_TEXT_ASSET, binaryA)
+        assert(streamAreEquals(context.assets.open(TEST_TEXT_ASSET),
+                binaryA.getInputDataStream(loadedKey)))
+    }
+
+    @Test
+    fun testReadImage() {
+        val binaryA = BinaryAttachment(fileA)
+        saveBinary(TEST_IMAGE_ASSET, binaryA)
+        assert(streamAreEquals(context.assets.open(TEST_IMAGE_ASSET),
+                binaryA.getInputDataStream(loadedKey)))
+    }
+
+    private fun streamAreEquals(inputStreamA: InputStream,
+                                inputStreamB: InputStream): Boolean {
+        val bufferA = ByteArray(DEFAULT_BUFFER_SIZE)
+        val bufferB = ByteArray(DEFAULT_BUFFER_SIZE)
+        val dataInputStreamB = DataInputStream(inputStreamB)
+        try {
+            var len: Int
+            while (inputStreamA.read(bufferA).also { len = it } > 0) {
+                dataInputStreamB.readFully(bufferB, 0, len)
+                for (i in 0 until len) {
+                    if (bufferA[i] != bufferB[i])
+                        return false
+                }
+            }
+            return inputStreamB.read() < 0 // is the end of the second file also.
+        } catch (e: Exception) {
+            return false
+        }
+        finally {
+            inputStreamA.close()
+            inputStreamB.close()
+        }
+    }
+
+    private fun BinaryAttachment.md5(): String {
+        val md = MessageDigest.getInstance("MD5")
+        return this.getInputDataStream(loadedKey).use { fis ->
+            val buffer = ByteArray(DEFAULT_BUFFER_SIZE)
+            generateSequence {
+                when (val bytesRead = fis.read(buffer)) {
+                    -1 -> null
+                    else -> bytesRead
+                }
+            }.forEach { bytesRead -> md.update(buffer, 0, bytesRead) }
+            md.digest().joinToString("") { "%02x".format(it) }
+        }
+    }
+
+    companion object {
+        private const val TEST_FILE_CACHE_A = "testA"
+        private const val TEST_FILE_CACHE_B = "testB"
+        private const val TEST_FILE_CACHE_C = "testC"
+        private const val TEST_IMAGE_ASSET = "test_image.png"
+        private const val TEST_TEXT_ASSET = "test_text.txt"
+    }
+}

app/src/main/java/com/kunzisoft/keepass/adapters/EntryAttachmentsItemsAdapter.kt

@@ -90,7 +90,7 @@ class EntryAttachmentsItemsAdapter(context: Context)
             holder.binaryFileTitle.setTextColor(mTitleColor)
         }
         holder.binaryFileSize.text = Formatter.formatFileSize(context,
-                entryAttachmentState.attachment.binaryAttachment.length())
+                entryAttachmentState.attachment.binaryAttachment.length)
         holder.binaryFileCompression.apply {
             if (entryAttachmentState.attachment.binaryAttachment.isCompressed) {
                 text = CompressionAlgorithm.GZip.getName(context.resources)

app/src/main/java/com/kunzisoft/keepass/database/element/Database.kt

@@ -47,7 +47,11 @@ import com.kunzisoft.keepass.tasks.ProgressTaskUpdater
 import com.kunzisoft.keepass.utils.SingletonHolder
 import com.kunzisoft.keepass.utils.UriUtil
 import java.io.*
+import java.security.Key
+import java.security.SecureRandom
 import java.util.*
+import javax.crypto.KeyGenerator
+import javax.crypto.spec.IvParameterSpec
 import kotlin.collections.ArrayList
 
 
@@ -75,6 +79,19 @@ class Database {
     var loadTimestamp: Long? = null
         private set
 
+    /**
+     * Cipher key regenerated when the database is loaded and closed
+     * Can be used to temporarily store database elements
+     */
+    var loadedCipherKey: LoadedKey?
+        private set(value) {
+            mDatabaseKDB?.loadedCipherKey = value
+            mDatabaseKDBX?.loadedCipherKey = value
+        }
+        get() {
+            return mDatabaseKDB?.loadedCipherKey ?: mDatabaseKDBX?.loadedCipherKey
+        }
+
     val iconFactory: IconImageFactory
         get() {
             return mDatabaseKDB?.iconFactory ?: mDatabaseKDBX?.iconFactory ?: IconImageFactory()
@@ -321,12 +338,26 @@ class Database {
     }
 
     fun createData(databaseUri: Uri, databaseName: String, rootName: String) {
-        setDatabaseKDBX(DatabaseKDBX(databaseName, rootName))
+        val newDatabase = DatabaseKDBX(databaseName, rootName)
+        newDatabase.loadedCipherKey = LoadedKey.generateNewCipherKey()
+        setDatabaseKDBX(newDatabase)
         this.fileUri = databaseUri
         // Set Database state
         this.loaded = true
     }
 
+    class LoadedKey(val key: Key, val iv: IvParameterSpec) {
+        companion object {
+            const val BINARY_CIPHER = "Blowfish/CBC/PKCS5Padding"
+
+            fun generateNewCipherKey(): LoadedKey {
+                val iv = ByteArray(8)
+                SecureRandom().nextBytes(iv)
+                return LoadedKey(KeyGenerator.getInstance("Blowfish").generateKey(), IvParameterSpec(iv))
+            }
+        }
+    }
+
     @Throws(LoadDatabaseException::class)
     private fun readDatabaseStream(contentResolver: ContentResolver, uri: Uri,
                                    openDatabaseKDB: (InputStream) -> DatabaseKDB,
@@ -404,6 +435,7 @@ class Database {
                                 .openDatabase(databaseInputStream,
                                         mainCredential.masterPassword,
                                         keyFileInputStream,
+                                        LoadedKey.generateNewCipherKey(),
                                         progressTaskUpdater,
                                         fixDuplicateUUID)
                     },
@@ -412,6 +444,7 @@ class Database {
                                 .openDatabase(databaseInputStream,
                                         mainCredential.masterPassword,
                                         keyFileInputStream,
+                                        LoadedKey.generateNewCipherKey(),
                                         progressTaskUpdater,
                                         fixDuplicateUUID)
                     }

app/src/main/java/com/kunzisoft/keepass/database/element/database/BinaryAttachment.kt

@@ -21,23 +21,31 @@ package com.kunzisoft.keepass.database.element.database
 
 import android.os.Parcel
 import android.os.Parcelable
-import com.kunzisoft.keepass.stream.readBytes
+import android.util.Base64
+import android.util.Base64InputStream
+import android.util.Base64OutputStream
+import com.kunzisoft.keepass.database.element.Database
+import org.apache.commons.io.output.CountingOutputStream
 import java.io.*
 import java.util.zip.GZIPInputStream
 import java.util.zip.GZIPOutputStream
+import javax.crypto.Cipher
+import javax.crypto.CipherInputStream
+import javax.crypto.CipherOutputStream
 
 class BinaryAttachment : Parcelable {
 
     private var dataFile: File? = null
+    var length: Long = 0
+        private set
     var isCompressed: Boolean = false
         private set
     var isProtected: Boolean = false
         private set
     var isCorrupted: Boolean = false
-
-    fun length(): Long {
-        return dataFile?.length() ?: 0
-    }
+    // Cipher to encrypt temp file
+    private var cipherEncryption: Cipher = Cipher.getInstance(Database.LoadedKey.BINARY_CIPHER)
+    private var cipherDecryption: Cipher = Cipher.getInstance(Database.LoadedKey.BINARY_CIPHER)
 
     /**
      * Empty protected binary
@@ -46,6 +54,7 @@ class BinaryAttachment : Parcelable {
 
     constructor(dataFile: File, compressed: Boolean = false, protected: Boolean = false) {
         this.dataFile = dataFile
+        this.length = 0
         this.isCompressed = compressed
         this.isProtected = protected
     }
@@ -54,58 +63,75 @@ class BinaryAttachment : Parcelable {
         parcel.readString()?.let {
             dataFile = File(it)
         }
+        length = parcel.readLong()
         isCompressed = parcel.readByte().toInt() != 0
         isProtected = parcel.readByte().toInt() != 0
         isCorrupted = parcel.readByte().toInt() != 0
     }
 
     @Throws(IOException::class)
-    fun getInputDataStream(): InputStream {
+    fun getInputDataStream(cipherKey: Database.LoadedKey): InputStream {
+        return buildInputStream(dataFile!!, cipherKey)
+    }
+
+    @Throws(IOException::class)
+    fun getOutputDataStream(cipherKey: Database.LoadedKey): OutputStream {
+        return buildOutputStream(dataFile!!, cipherKey)
+    }
+
+    @Throws(IOException::class)
+    fun getUnGzipInputDataStream(cipherKey: Database.LoadedKey): InputStream {
+        return if (isCompressed) {
+            GZIPInputStream(getInputDataStream(cipherKey))
+        } else {
+            getInputDataStream(cipherKey)
+        }
+    }
+
+    @Throws(IOException::class)
+    fun getGzipOutputDataStream(cipherKey: Database.LoadedKey): OutputStream {
+        return if (isCompressed) {
+            GZIPOutputStream(getOutputDataStream(cipherKey))
+        } else {
+            getOutputDataStream(cipherKey)
+        }
+    }
+
+    @Throws(IOException::class)
+    private fun buildInputStream(file: File?, cipherKey: Database.LoadedKey): InputStream {
         return when {
-            length() > 0 -> FileInputStream(dataFile!!)
+            file != null && file.length() > 0 -> {
+                cipherDecryption.init(Cipher.DECRYPT_MODE, cipherKey.key, cipherKey.iv)
+                Base64InputStream(CipherInputStream(FileInputStream(file), cipherDecryption), Base64.NO_WRAP)
+            }
             else -> ByteArrayInputStream(ByteArray(0))
         }
     }
 
     @Throws(IOException::class)
-    fun getUnGzipInputDataStream(): InputStream {
-        return if (isCompressed)
-            GZIPInputStream(getInputDataStream())
-        else
-            getInputDataStream()
-    }
-
-    @Throws(IOException::class)
-    fun getOutputDataStream(): OutputStream {
+    private fun buildOutputStream(file: File?, cipherKey: Database.LoadedKey): OutputStream {
         return when {
-            dataFile != null -> FileOutputStream(dataFile!!)
+            file != null -> {
+                cipherEncryption.init(Cipher.ENCRYPT_MODE, cipherKey.key, cipherKey.iv)
+                BinaryCountingOutputStream(Base64OutputStream(CipherOutputStream(FileOutputStream(file), cipherEncryption), Base64.NO_WRAP))
+            }
             else -> throw IOException("Unable to write in an unknown file")
         }
     }
 
     @Throws(IOException::class)
-    fun getGzipOutputDataStream(): OutputStream {
-        return if (isCompressed) {
-            GZIPOutputStream(getOutputDataStream())
-        } else {
-            getOutputDataStream()
-        }
-    }
-
-    @Throws(IOException::class)
-    fun compress(bufferSize: Int = DEFAULT_BUFFER_SIZE) {
+    fun compress(cipherKey: Database.LoadedKey, bufferSize: Int = DEFAULT_BUFFER_SIZE) {
         dataFile?.let { concreteDataFile ->
             // To compress, create a new binary with file
             if (!isCompressed) {
+                // Encrypt the new gzipped temp file
                 val fileBinaryCompress = File(concreteDataFile.parent, concreteDataFile.name + "_temp")
-                GZIPOutputStream(FileOutputStream(fileBinaryCompress)).use { outputStream ->
-                    getInputDataStream().use { inputStream ->
-                        inputStream.readBytes(bufferSize) { buffer ->
-                            outputStream.write(buffer)
-                        }
+                getInputDataStream(cipherKey).use { inputStream ->
+                    GZIPOutputStream(buildOutputStream(fileBinaryCompress, cipherKey)).use { outputStream ->
+                        inputStream.copyTo(outputStream, bufferSize)
                     }
                 }
-                // Remove unGzip file
+                // Remove ungzip file
                 if (concreteDataFile.delete()) {
                     if (fileBinaryCompress.renameTo(concreteDataFile)) {
                         // Harmonize with database compression
@@ -117,15 +143,14 @@ class BinaryAttachment : Parcelable {
     }
 
     @Throws(IOException::class)
-    fun decompress(bufferSize: Int = DEFAULT_BUFFER_SIZE) {
+    fun decompress(cipherKey: Database.LoadedKey, bufferSize: Int = DEFAULT_BUFFER_SIZE) {
         dataFile?.let { concreteDataFile ->
             if (isCompressed) {
+                // Encrypt the new ungzipped temp file
                 val fileBinaryDecompress = File(concreteDataFile.parent, concreteDataFile.name + "_temp")
-                FileOutputStream(fileBinaryDecompress).use { outputStream ->
-                    getUnGzipInputDataStream().use { inputStream ->
-                        inputStream.readBytes(bufferSize) { buffer ->
-                            outputStream.write(buffer)
-                        }
+                getUnGzipInputDataStream(cipherKey).use { inputStream ->
+                    buildOutputStream(fileBinaryDecompress, cipherKey).use { outputStream ->
+                        inputStream.copyTo(outputStream, bufferSize)
                     }
                 }
                 // Remove gzip file
@@ -170,6 +195,7 @@ class BinaryAttachment : Parcelable {
         result = 31 * result + if (isProtected) 1 else 0
         result = 31 * result + if (isCorrupted) 1 else 0
         result = 31 * result + dataFile!!.hashCode()
+        result = 31 * result + length.hashCode()
         return result
     }
 
@@ -183,11 +209,31 @@ class BinaryAttachment : Parcelable {
 
     override fun writeToParcel(dest: Parcel, flags: Int) {
         dest.writeString(dataFile?.absolutePath)
+        dest.writeLong(length)
         dest.writeByte((if (isCompressed) 1 else 0).toByte())
         dest.writeByte((if (isProtected) 1 else 0).toByte())
         dest.writeByte((if (isCorrupted) 1 else 0).toByte())
     }
 
+    /**
+     * Custom OutputStream to calculate the size of binary file
+     */
+    private inner class BinaryCountingOutputStream(out: OutputStream): CountingOutputStream(out) {
+        init {
+            length = 0
+        }
+
+        override fun beforeWrite(n: Int) {
+            super.beforeWrite(n)
+            length = byteCount
+        }
+
+        override fun close() {
+            super.close()
+            length = byteCount
+        }
+    }
+
     companion object {
 
         private val TAG = BinaryAttachment::class.java.name

app/src/main/java/com/kunzisoft/keepass/database/element/database/DatabaseKDBX.kt

@@ -213,8 +213,10 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
     private fun compressAllBinaries() {
         binaryPool.doForEachBinary { binary ->
             try {
+                val cipherKey = loadedCipherKey
+                        ?: throw IOException("Unable to retrieve cipher key to compress binaries")
                 // To compress, create a new binary with file
-                binary.compress(BUFFER_SIZE_BYTES)
+                binary.compress(cipherKey, BUFFER_SIZE_BYTES)
             } catch (e: Exception) {
                 Log.e(TAG, "Unable to compress $binary", e)
             }
@@ -224,7 +226,9 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
     private fun decompressAllBinaries() {
         binaryPool.doForEachBinary { binary ->
             try {
-                binary.decompress(BUFFER_SIZE_BYTES)
+                val cipherKey = loadedCipherKey
+                        ?: throw IOException("Unable to retrieve cipher key to decompress binaries")
+                binary.decompress(cipherKey, BUFFER_SIZE_BYTES)
             } catch (e: Exception) {
                 Log.e(TAG, "Unable to decompress $binary", e)
             }

app/src/main/java/com/kunzisoft/keepass/database/element/database/DatabaseVersioned.kt

@@ -20,6 +20,7 @@
 package com.kunzisoft.keepass.database.element.database
 
 import com.kunzisoft.keepass.crypto.keyDerivation.KdfEngine
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.entry.EntryVersioned
 import com.kunzisoft.keepass.database.element.group.GroupVersioned
 import com.kunzisoft.keepass.database.element.icon.IconImageFactory
@@ -84,13 +85,13 @@ abstract class DatabaseVersioned<
     protected abstract fun getMasterKey(key: String?, keyInputStream: InputStream?): ByteArray
 
     @Throws(IOException::class)
-    fun retrieveMasterKey(key: String?, keyInputStream: InputStream?) {
-        masterKey = getMasterKey(key, keyInputStream)
+    fun retrieveMasterKey(key: String?, keyfileInputStream: InputStream?) {
+        masterKey = getMasterKey(key, keyfileInputStream)
     }
 
     @Throws(IOException::class)
-    protected fun getCompositeKey(key: String, keyInputStream: InputStream): ByteArray {
-        val fileKey = getFileKey(keyInputStream)
+    protected fun getCompositeKey(key: String, keyfileInputStream: InputStream): ByteArray {
+        val fileKey = getFileKey(keyfileInputStream)
         val passwordKey = getPasswordKey(key)
 
         val messageDigest: MessageDigest
@@ -383,6 +384,12 @@ abstract class DatabaseVersioned<
         return true
     }
 
+    /**
+     * Cipher key generated when the database is loaded, and destroyed when the database is closed
+     * Can be used to temporarily store database elements
+     */
+    var loadedCipherKey: Database.LoadedKey? = null
+
     companion object {
 
         private const val TAG = "DatabaseVersioned"

app/src/main/java/com/kunzisoft/keepass/database/element/entry/EntryKDBX.kt

@@ -316,7 +316,7 @@ class EntryKDBX : EntryVersioned<UUID, UUID, GroupKDBX, EntryKDBX>, NodeKDBXInte
         var size = 0L
         for ((label, poolId) in binaries) {
             size += label.length.toLong()
-            size += binaryPool[poolId]?.length() ?: 0
+            size += binaryPool[poolId]?.length ?: 0
         }
         return size
     }

app/src/main/java/com/kunzisoft/keepass/database/file/input/DatabaseInput.kt

@@ -19,6 +19,7 @@
  */
 package com.kunzisoft.keepass.database.file.input
 
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.database.DatabaseVersioned
 import com.kunzisoft.keepass.database.exception.LoadDatabaseException
 import com.kunzisoft.keepass.tasks.ProgressTaskUpdater
@@ -40,7 +41,7 @@ abstract class DatabaseInput<PwDb : DatabaseVersioned<*, *, *, *>>
     @Throws(LoadDatabaseException::class)
     abstract fun openDatabase(databaseInputStream: InputStream,
                               password: String?,
-                              keyInputStream: InputStream?,
+                              keyfileInputStream: InputStream?,
                               progressTaskUpdater: ProgressTaskUpdater?,
                               fixDuplicateUUID: Boolean = false): PwDb
 
@@ -50,4 +51,20 @@ abstract class DatabaseInput<PwDb : DatabaseVersioned<*, *, *, *>>
                               masterKey: ByteArray,
                               progressTaskUpdater: ProgressTaskUpdater?,
                               fixDuplicateUUID: Boolean = false): PwDb
+
+    @Throws(LoadDatabaseException::class)
+    abstract fun openDatabase(databaseInputStream: InputStream,
+                              password: String?,
+                              keyfileInputStream: InputStream?,
+                              loadedCipherKey: Database.LoadedKey,
+                              progressTaskUpdater: ProgressTaskUpdater?,
+                              fixDuplicateUUID: Boolean = false): PwDb
+
+
+    @Throws(LoadDatabaseException::class)
+    abstract fun openDatabase(databaseInputStream: InputStream,
+                              masterKey: ByteArray,
+                              loadedCipherKey: Database.LoadedKey,
+                              progressTaskUpdater: ProgressTaskUpdater?,
+                              fixDuplicateUUID: Boolean = false): PwDb
 }

app/src/main/java/com/kunzisoft/keepass/database/file/input/DatabaseInputKDB.kt

@@ -22,6 +22,7 @@ package com.kunzisoft.keepass.database.file.input
 
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.crypto.CipherFactory
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.database.DatabaseKDB
 import com.kunzisoft.keepass.database.element.entry.EntryKDB
 import com.kunzisoft.keepass.database.element.group.GroupKDB
@@ -48,16 +49,16 @@ import javax.crypto.spec.SecretKeySpec
 class DatabaseInputKDB(cacheDirectory: File)
     : DatabaseInput<DatabaseKDB>(cacheDirectory) {
 
-    private lateinit var mDatabaseToOpen: DatabaseKDB
+    private lateinit var mDatabase: DatabaseKDB
 
     @Throws(LoadDatabaseException::class)
     override fun openDatabase(databaseInputStream: InputStream,
                               password: String?,
-                              keyInputStream: InputStream?,
+                              keyfileInputStream: InputStream?,
                               progressTaskUpdater: ProgressTaskUpdater?,
                               fixDuplicateUUID: Boolean): DatabaseKDB {
         return openDatabase(databaseInputStream, progressTaskUpdater, fixDuplicateUUID) {
-            mDatabaseToOpen.retrieveMasterKey(password, keyInputStream)
+            mDatabase.retrieveMasterKey(password, keyfileInputStream)
         }
     }
 
@@ -67,7 +68,33 @@ class DatabaseInputKDB(cacheDirectory: File)
                               progressTaskUpdater: ProgressTaskUpdater?,
                               fixDuplicateUUID: Boolean): DatabaseKDB {
         return openDatabase(databaseInputStream, progressTaskUpdater, fixDuplicateUUID) {
-            mDatabaseToOpen.masterKey = masterKey
+            mDatabase.masterKey = masterKey
+        }
+    }
+
+
+    @Throws(LoadDatabaseException::class)
+    override fun openDatabase(databaseInputStream: InputStream,
+                              password: String?,
+                              keyfileInputStream: InputStream?,
+                              loadedCipherKey: Database.LoadedKey,
+                              progressTaskUpdater: ProgressTaskUpdater?,
+                              fixDuplicateUUID: Boolean): DatabaseKDB {
+        return openDatabase(databaseInputStream, progressTaskUpdater, fixDuplicateUUID) {
+            mDatabase.loadedCipherKey = loadedCipherKey
+            mDatabase.retrieveMasterKey(password, keyfileInputStream)
+        }
+    }
+
+    @Throws(LoadDatabaseException::class)
+    override fun openDatabase(databaseInputStream: InputStream,
+                              masterKey: ByteArray,
+                              loadedCipherKey: Database.LoadedKey,
+                              progressTaskUpdater: ProgressTaskUpdater?,
+                              fixDuplicateUUID: Boolean): DatabaseKDB {
+        return openDatabase(databaseInputStream, progressTaskUpdater, fixDuplicateUUID) {
+            mDatabase.loadedCipherKey = loadedCipherKey
+            mDatabase.masterKey = masterKey
         }
     }
 
@@ -101,38 +128,38 @@ class DatabaseInputKDB(cacheDirectory: File)
             }
 
             progressTaskUpdater?.updateMessage(R.string.retrieving_db_key)
-            mDatabaseToOpen = DatabaseKDB()
+            mDatabase = DatabaseKDB()
 
-            mDatabaseToOpen.changeDuplicateId = fixDuplicateUUID
+            mDatabase.changeDuplicateId = fixDuplicateUUID
             assignMasterKey?.invoke()
 
             // Select algorithm
             when {
                 header.flags.toKotlinInt() and DatabaseHeaderKDB.FLAG_RIJNDAEL.toKotlinInt() != 0 -> {
-                    mDatabaseToOpen.encryptionAlgorithm = EncryptionAlgorithm.AESRijndael
+                    mDatabase.encryptionAlgorithm = EncryptionAlgorithm.AESRijndael
                 }
                 header.flags.toKotlinInt() and DatabaseHeaderKDB.FLAG_TWOFISH.toKotlinInt() != 0 -> {
-                    mDatabaseToOpen.encryptionAlgorithm = EncryptionAlgorithm.Twofish
+                    mDatabase.encryptionAlgorithm = EncryptionAlgorithm.Twofish
                 }
                 else -> throw InvalidAlgorithmDatabaseException()
             }
 
-            mDatabaseToOpen.numberKeyEncryptionRounds = header.numKeyEncRounds.toKotlinLong()
+            mDatabase.numberKeyEncryptionRounds = header.numKeyEncRounds.toKotlinLong()
 
             // Generate transformedMasterKey from masterKey
-            mDatabaseToOpen.makeFinalKey(
+            mDatabase.makeFinalKey(
                     header.masterSeed,
                     header.transformSeed,
-                    mDatabaseToOpen.numberKeyEncryptionRounds)
+                    mDatabase.numberKeyEncryptionRounds)
 
             progressTaskUpdater?.updateMessage(R.string.decrypting_db)
             // Initialize Rijndael algorithm
             val cipher: Cipher = try {
                 when {
-                    mDatabaseToOpen.encryptionAlgorithm === EncryptionAlgorithm.AESRijndael -> {
+                    mDatabase.encryptionAlgorithm === EncryptionAlgorithm.AESRijndael -> {
                         CipherFactory.getInstance("AES/CBC/PKCS5Padding")
                     }
-                    mDatabaseToOpen.encryptionAlgorithm === EncryptionAlgorithm.Twofish -> {
+                    mDatabase.encryptionAlgorithm === EncryptionAlgorithm.Twofish -> {
                         CipherFactory.getInstance("Twofish/CBC/PKCS7PADDING")
                     }
                     else -> throw IOException("Encryption algorithm is not supported")
@@ -145,7 +172,7 @@ class DatabaseInputKDB(cacheDirectory: File)
 
             try {
                 cipher.init(Cipher.DECRYPT_MODE,
-                        SecretKeySpec(mDatabaseToOpen.finalKey, "AES"),
+                        SecretKeySpec(mDatabase.finalKey, "AES"),
                         IvParameterSpec(header.encryptionIV))
             } catch (e1: InvalidKeyException) {
                 throw IOException("Invalid key")
@@ -169,9 +196,9 @@ class DatabaseInputKDB(cacheDirectory: File)
             )
 
             // New manual root because KDB contains multiple root groups (here available with getRootGroups())
-            val newRoot = mDatabaseToOpen.createGroup()
+            val newRoot = mDatabase.createGroup()
             newRoot.level = -1
-            mDatabaseToOpen.rootGroup = newRoot
+            mDatabase.rootGroup = newRoot
 
             // Import all nodes
             var newGroup: GroupKDB? = null
@@ -192,12 +219,12 @@ class DatabaseInputKDB(cacheDirectory: File)
                         // Create new node depending on byte number
                         when (fieldSize) {
                             4 -> {
-                                newGroup = mDatabaseToOpen.createGroup().apply {
+                                newGroup = mDatabase.createGroup().apply {
                                     setGroupId(cipherInputStream.readBytes4ToUInt().toKotlinInt())
                                 }
                             }
                             16 -> {
-                                newEntry = mDatabaseToOpen.createEntry().apply {
+                                newEntry = mDatabase.createEntry().apply {
                                     nodeId = NodeIdUUID(cipherInputStream.readBytes16ToUuid())
                                 }
                             }
@@ -211,7 +238,7 @@ class DatabaseInputKDB(cacheDirectory: File)
                             group.title = cipherInputStream.readBytesToString(fieldSize)
                         } ?:
                         newEntry?.let { entry ->
-                            val groupKDB = mDatabaseToOpen.createGroup()
+                            val groupKDB = mDatabase.createGroup()
                             groupKDB.nodeId = NodeIdInt(cipherInputStream.readBytes4ToUInt().toKotlinInt())
                             entry.parent = groupKDB
                         }
@@ -226,7 +253,7 @@ class DatabaseInputKDB(cacheDirectory: File)
                             if (iconId == -1) {
                                 iconId = 0
                             }
-                            entry.icon = mDatabaseToOpen.iconFactory.getIcon(iconId)
+                            entry.icon = mDatabase.iconFactory.getIcon(iconId)
                         }
                     }
                     0x0004 -> {
@@ -255,7 +282,7 @@ class DatabaseInputKDB(cacheDirectory: File)
                     }
                     0x0007 -> {
                         newGroup?.let { group ->
-                            group.icon = mDatabaseToOpen.iconFactory.getIcon(cipherInputStream.readBytes4ToUInt().toKotlinInt())
+                            group.icon = mDatabase.iconFactory.getIcon(cipherInputStream.readBytes4ToUInt().toKotlinInt())
                         } ?:
                         newEntry?.let { entry ->
                             entry.password = cipherInputStream.readBytesToString(fieldSize,false)
@@ -300,13 +327,12 @@ class DatabaseInputKDB(cacheDirectory: File)
                     0x000E -> {
                         newEntry?.let { entry ->
                             if (fieldSize > 0) {
-                                val binaryAttachment = mDatabaseToOpen.buildNewBinary(cacheDirectory)
+                                val binaryAttachment = mDatabase.buildNewBinary(cacheDirectory)
                                 entry.binaryData = binaryAttachment
-                                BufferedOutputStream(binaryAttachment.getOutputDataStream()).use { outputStream ->
-                                    cipherInputStream.readBytes(fieldSize,
-                                            DatabaseKDB.BUFFER_SIZE_BYTES) { buffer ->
-                                        outputStream.write(buffer)
-                                    }
+                                val cipherKey = mDatabase.loadedCipherKey
+                                        ?: throw IOException("Unable to retrieve cipher key to load binaries")
+                                BufferedOutputStream(binaryAttachment.getOutputDataStream(cipherKey)).use { outputStream ->
+                                    cipherInputStream.copyPartTo(outputStream, fieldSize)
                                 }
                             }
                         }
@@ -314,12 +340,12 @@ class DatabaseInputKDB(cacheDirectory: File)
                     0xFFFF -> {
                         // End record.  Save node and count it.
                         newGroup?.let { group ->
-                            mDatabaseToOpen.addGroupIndex(group)
+                            mDatabase.addGroupIndex(group)
                             currentGroupNumber++
                             newGroup = null
                         }
                         newEntry?.let { entry ->
-                            mDatabaseToOpen.addEntryIndex(entry)
+                            mDatabase.addEntryIndex(entry)
                             currentEntryNumber++
                             newEntry = null
                         }
@@ -337,20 +363,20 @@ class DatabaseInputKDB(cacheDirectory: File)
             constructTreeFromIndex()
 
         } catch (e: LoadDatabaseException) {
-            mDatabaseToOpen.clearCache()
+            mDatabase.clearCache()
             throw e
         } catch (e: IOException) {
-            mDatabaseToOpen.clearCache()
+            mDatabase.clearCache()
             throw IODatabaseException(e)
         } catch (e: OutOfMemoryError) {
-            mDatabaseToOpen.clearCache()
+            mDatabase.clearCache()
             throw NoMemoryDatabaseException(e)
         } catch (e: Exception) {
-            mDatabaseToOpen.clearCache()
+            mDatabase.clearCache()
             throw LoadDatabaseException(e)
         }
 
-        return mDatabaseToOpen
+        return mDatabase
     }
 
     private fun buildTreeGroups(previousGroup: GroupKDB, currentGroup: GroupKDB, groupIterator: Iterator<GroupKDB>) {
@@ -375,18 +401,18 @@ class DatabaseInputKDB(cacheDirectory: File)
     }
 
     private fun constructTreeFromIndex() {
-        mDatabaseToOpen.rootGroup?.let {
+        mDatabase.rootGroup?.let {
 
             // add each group
-            val groupIterator = mDatabaseToOpen.getGroupIndexes().iterator()
+            val groupIterator = mDatabase.getGroupIndexes().iterator()
             if (groupIterator.hasNext())
                 buildTreeGroups(it, groupIterator.next(), groupIterator)
 
             // add each child
-            for (currentEntry in mDatabaseToOpen.getEntryIndexes()) {
+            for (currentEntry in mDatabase.getEntryIndexes()) {
                 if (currentEntry.parent != null) {
                     // Only the parent id is known so complete the info
-                    val parentGroupRetrieve = mDatabaseToOpen.getGroupById(currentEntry.parent!!.nodeId)
+                    val parentGroupRetrieve = mDatabase.getGroupById(currentEntry.parent!!.nodeId)
                     parentGroupRetrieve?.addChildEntry(currentEntry)
                     currentEntry.parent = parentGroupRetrieve
                 }

app/src/main/java/com/kunzisoft/keepass/database/file/input/DatabaseInputKDBX.kt

@@ -26,12 +26,14 @@ import com.kunzisoft.keepass.crypto.CipherFactory
 import com.kunzisoft.keepass.crypto.StreamCipherFactory
 import com.kunzisoft.keepass.crypto.engine.CipherEngine
 import com.kunzisoft.keepass.database.element.Attachment
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.DateInstant
 import com.kunzisoft.keepass.database.element.DeletedObject
 import com.kunzisoft.keepass.database.element.database.BinaryAttachment
 import com.kunzisoft.keepass.database.element.database.CompressionAlgorithm
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX
 import com.kunzisoft.keepass.database.element.database.DatabaseKDBX.Companion.BASE_64_FLAG
+import com.kunzisoft.keepass.database.element.database.DatabaseKDBX.Companion.BUFFER_SIZE_BYTES
 import com.kunzisoft.keepass.database.element.database.DatabaseVersioned
 import com.kunzisoft.keepass.database.element.entry.EntryKDBX
 import com.kunzisoft.keepass.database.element.group.GroupKDBX
@@ -96,11 +98,11 @@ class DatabaseInputKDBX(cacheDirectory: File)
     @Throws(LoadDatabaseException::class)
     override fun openDatabase(databaseInputStream: InputStream,
                               password: String?,
-                              keyInputStream: InputStream?,
+                              keyfileInputStream: InputStream?,
                               progressTaskUpdater: ProgressTaskUpdater?,
                               fixDuplicateUUID: Boolean): DatabaseKDBX {
         return openDatabase(databaseInputStream, progressTaskUpdater, fixDuplicateUUID) {
-            mDatabase.retrieveMasterKey(password, keyInputStream)
+            mDatabase.retrieveMasterKey(password, keyfileInputStream)
         }
     }
 
@@ -114,6 +116,31 @@ class DatabaseInputKDBX(cacheDirectory: File)
         }
     }
 
+    @Throws(LoadDatabaseException::class)
+    override fun openDatabase(databaseInputStream: InputStream,
+                              password: String?,
+                              keyfileInputStream: InputStream?,
+                              loadedCipherKey: Database.LoadedKey,
+                              progressTaskUpdater: ProgressTaskUpdater?,
+                              fixDuplicateUUID: Boolean): DatabaseKDBX {
+        return openDatabase(databaseInputStream, progressTaskUpdater, fixDuplicateUUID) {
+            mDatabase.loadedCipherKey = loadedCipherKey
+            mDatabase.retrieveMasterKey(password, keyfileInputStream)
+        }
+    }
+
+    @Throws(LoadDatabaseException::class)
+    override fun openDatabase(databaseInputStream: InputStream,
+                              masterKey: ByteArray,
+                              loadedCipherKey: Database.LoadedKey,
+                              progressTaskUpdater: ProgressTaskUpdater?,
+                              fixDuplicateUUID: Boolean): DatabaseKDBX {
+        return openDatabase(databaseInputStream, progressTaskUpdater, fixDuplicateUUID) {
+            mDatabase.loadedCipherKey = loadedCipherKey
+            mDatabase.masterKey = masterKey
+        }
+    }
+
     @Throws(LoadDatabaseException::class)
     private fun openDatabase(databaseInputStream: InputStream,
                              progressTaskUpdater: ProgressTaskUpdater?,
@@ -273,10 +300,10 @@ class DatabaseInputKDBX(cacheDirectory: File)
                 val byteLength = size - 1
                 // No compression at this level
                 val protectedBinary = mDatabase.buildNewBinary(cacheDirectory, false, protectedFlag)
-                protectedBinary.getOutputDataStream().use { outputStream ->
-                    dataInputStream.readBytes(byteLength, DatabaseKDBX.BUFFER_SIZE_BYTES) { buffer ->
-                        outputStream.write(buffer)
-                    }
+                val cipherKey = mDatabase.loadedCipherKey
+                        ?: throw IOException("Unable to retrieve cipher key to load binaries")
+                protectedBinary.getOutputDataStream(cipherKey).use { outputStream ->
+                    dataInputStream.copyPartTo(outputStream, byteLength)
                 }
             }
         }
@@ -1009,14 +1036,16 @@ class DatabaseInputKDBX(cacheDirectory: File)
 
         // Build the new binary and compress
         val binaryAttachment = mDatabase.buildNewBinary(cacheDirectory, compressed, protected, binaryId)
+        val binaryCipherKey = mDatabase.loadedCipherKey
+                ?: throw IOException("Unable to retrieve cipher key to load binaries")
         try {
-            binaryAttachment.getOutputDataStream().use { outputStream ->
+            binaryAttachment.getOutputDataStream(binaryCipherKey).use { outputStream ->
                 outputStream.write(Base64.decode(base64, BASE_64_FLAG))
             }
         } catch (e: Exception) {
             Log.e(TAG, "Unable to read base 64 attachment", e)
             binaryAttachment.isCorrupted = true
-            binaryAttachment.getOutputDataStream().use { outputStream ->
+            binaryAttachment.getOutputDataStream(binaryCipherKey).use { outputStream ->
                 outputStream.write(base64.toByteArray())
             }
         }
@@ -1083,6 +1112,7 @@ class DatabaseInputKDBX(cacheDirectory: File)
             return xpp
         }
     }
+
 }
 
 @Throws(IOException::class, XmlPullParserException::class)

app/src/main/java/com/kunzisoft/keepass/database/file/output/DatabaseOutputKDB.kt

@@ -21,8 +21,8 @@ package com.kunzisoft.keepass.database.file.output
 
 import com.kunzisoft.keepass.crypto.CipherFactory
 import com.kunzisoft.keepass.database.element.database.DatabaseKDB
-import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
 import com.kunzisoft.keepass.database.element.group.GroupKDB
+import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
 import com.kunzisoft.keepass.database.exception.DatabaseOutputException
 import com.kunzisoft.keepass.database.file.DatabaseHeader
 import com.kunzisoft.keepass.database.file.DatabaseHeaderKDB
@@ -197,15 +197,15 @@ class DatabaseOutputKDB(private val mDatabaseKDB: DatabaseKDB,
 
     @Suppress("CAST_NEVER_SUCCEEDS")
     @Throws(DatabaseOutputException::class)
-    fun outputPlanGroupAndEntries(os: OutputStream) {
-        val los = LittleEndianDataOutputStream(os)
+    fun outputPlanGroupAndEntries(outputStream: OutputStream) {
+        val littleEndianDataOutputStream = LittleEndianDataOutputStream(outputStream)
 
         // useHeaderHash
         if (headerHashBlock != null) {
             try {
-                los.writeUShort(0x0000)
-                los.writeInt(headerHashBlock!!.size)
-                los.write(headerHashBlock!!)
+                littleEndianDataOutputStream.writeUShort(0x0000)
+                littleEndianDataOutputStream.writeInt(headerHashBlock!!.size)
+                littleEndianDataOutputStream.write(headerHashBlock!!)
             } catch (e: IOException) {
                 throw DatabaseOutputException("Failed to output header hash.", e)
             }
@@ -213,20 +213,12 @@ class DatabaseOutputKDB(private val mDatabaseKDB: DatabaseKDB,
 
         // Groups
         mDatabaseKDB.doForEachGroupInIndex { group ->
-            val pgo = GroupOutputKDB(group, os)
-            try {
-                pgo.output()
-            } catch (e: IOException) {
-                throw DatabaseOutputException("Failed to output a tree", e)
-            }
+            GroupOutputKDB.write(outputStream, group)
         }
         mDatabaseKDB.doForEachEntryInIndex { entry ->
-            val peo = EntryOutputKDB(entry, os)
-            try {
-                peo.output()
-            } catch (e: IOException) {
-                throw DatabaseOutputException("Failed to output an entry.", e)
-            }
+            val binaryCipherKey = mDatabaseKDB.loadedCipherKey
+                    ?: throw DatabaseOutputException("Unable to retrieve cipher key to write binaries")
+            EntryOutputKDB.writeEntry(outputStream, entry, binaryCipherKey)
         }
     }
 

app/src/main/java/com/kunzisoft/keepass/database/file/output/DatabaseOutputKDBX.kt

@@ -140,12 +140,14 @@ class DatabaseOutputKDBX(private val mDatabaseKDBX: DatabaseKDBX,
 
         database.binaryPool.doForEachOrderedBinary { _, keyBinary ->
             val protectedBinary = keyBinary.binary
+            val binaryCipherKey = database.loadedCipherKey
+                    ?: throw IOException("Unable to retrieve cipher key to write binaries")
             // Force decompression to add binary in header
-            protectedBinary.decompress()
+            protectedBinary.decompress(binaryCipherKey)
             // Write type binary
             dataOutputStream.writeByte(DatabaseHeaderKDBX.PwDbInnerHeaderV4Fields.Binary)
             // Write size
-            dataOutputStream.writeUInt(UnsignedInt.fromKotlinLong(protectedBinary.length() + 1))
+            dataOutputStream.writeUInt(UnsignedInt.fromKotlinLong(protectedBinary.length + 1))
             // Write protected flag
             var flag = DatabaseHeaderKDBX.KdbxBinaryFlags.None
             if (protectedBinary.isProtected) {
@@ -153,10 +155,8 @@ class DatabaseOutputKDBX(private val mDatabaseKDBX: DatabaseKDBX,
             }
             dataOutputStream.writeByte(flag)
 
-            protectedBinary.getInputDataStream().use { inputStream ->
-                inputStream.readBytes(BUFFER_SIZE_BYTES) { buffer ->
-                    dataOutputStream.write(buffer)
-                }
+            protectedBinary.getInputDataStream(binaryCipherKey).use { inputStream ->
+                inputStream.copyTo(dataOutputStream)
             }
         }
 
@@ -502,13 +502,15 @@ class DatabaseOutputKDBX(private val mDatabaseKDBX: DatabaseKDBX,
             xml.startTag(null, DatabaseKDBXXML.ElemBinary)
             xml.attribute(null, DatabaseKDBXXML.AttrId, index.toString())
             val binary = keyBinary.binary
-            if (binary.length() > 0) {
+            if (binary.length > 0) {
                 if (binary.isCompressed) {
                     xml.attribute(null, DatabaseKDBXXML.AttrCompressed, DatabaseKDBXXML.ValTrue)
                 }
                 // Write the XML
-                binary.getInputDataStream().use { inputStream ->
-                    inputStream.readBytes(BUFFER_SIZE_BYTES) { buffer ->
+                val binaryCipherKey = mDatabaseKDBX.loadedCipherKey
+                        ?: throw IOException("Unable to retrieve cipher key to write binaries")
+                binary.getInputDataStream(binaryCipherKey).use { inputStream ->
+                    inputStream.readAllBytes(BUFFER_SIZE_BYTES) { buffer ->
                         xml.text(String(Base64.encode(buffer, BASE_64_FLAG)))
                     }
                 }

app/src/main/java/com/kunzisoft/keepass/database/file/output/EntryOutputKDB.kt

@@ -19,9 +19,10 @@
  */
 package com.kunzisoft.keepass.database.file.output
 
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.database.DatabaseKDB
 import com.kunzisoft.keepass.database.element.entry.EntryKDB
-import com.kunzisoft.keepass.database.file.output.GroupOutputKDB.Companion.GROUPID_FIELD_SIZE
+import com.kunzisoft.keepass.database.exception.DatabaseOutputException
 import com.kunzisoft.keepass.stream.*
 import com.kunzisoft.keepass.utils.StringDatabaseKDBUtils
 import com.kunzisoft.keepass.utils.UnsignedInt
@@ -29,144 +30,142 @@ import java.io.IOException
 import java.io.OutputStream
 import java.nio.charset.Charset
 
-class EntryOutputKDB
 /**
  * Output the GroupKDB to the stream
  */
-(private val mEntry: EntryKDB, private val mOutputStream: OutputStream) {
-    /**
-     * Returns the number of bytes written by the stream
-     * @return Number of bytes written
-     */
-    var length: Long = 0
-        private set
+class EntryOutputKDB {
 
-    //NOTE: Need be to careful about using ints.  The actual type written to file is a unsigned int
-    @Throws(IOException::class)
-    fun output() {
+    companion object {
+        @Throws(DatabaseOutputException::class)
+        fun writeEntry(mOutputStream: OutputStream,
+                       mEntry: EntryKDB,
+                       binaryCipherKey: Database.LoadedKey) {
+            //NOTE: Need be to careful about using ints.  The actual type written to file is a unsigned int
+            try {
+                // UUID
+                mOutputStream.write(UUID_FIELD_TYPE)
+                mOutputStream.write(UUID_FIELD_SIZE)
+                mOutputStream.write(uuidTo16Bytes(mEntry.id))
 
-        length += 134  // Length of fixed size fields
+                // Group ID
+                mOutputStream.write(GROUPID_FIELD_TYPE)
+                mOutputStream.write(GROUPID_FIELD_SIZE)
+                mOutputStream.write(uIntTo4Bytes(UnsignedInt(mEntry.parent!!.id)))
 
-        // UUID
-        mOutputStream.write(UUID_FIELD_TYPE)
-        mOutputStream.write(UUID_FIELD_SIZE)
-        mOutputStream.write(uuidTo16Bytes(mEntry.id))
+                // Image ID
+                mOutputStream.write(IMAGEID_FIELD_TYPE)
+                mOutputStream.write(IMAGEID_FIELD_SIZE)
+                mOutputStream.write(uIntTo4Bytes(UnsignedInt(mEntry.icon.iconId)))
 
-        // Group ID
-        mOutputStream.write(GROUPID_FIELD_TYPE)
-        mOutputStream.write(GROUPID_FIELD_SIZE)
-        mOutputStream.write(uIntTo4Bytes(UnsignedInt(mEntry.parent!!.id)))
+                // Title
+                //byte[] title = mEntry.title.getBytes("UTF-8");
+                mOutputStream.write(TITLE_FIELD_TYPE)
+                StringDatabaseKDBUtils.writeStringToBytes(mEntry.title, mOutputStream).toLong()
 
-        // Image ID
-        mOutputStream.write(IMAGEID_FIELD_TYPE)
-        mOutputStream.write(IMAGEID_FIELD_SIZE)
-        mOutputStream.write(uIntTo4Bytes(UnsignedInt(mEntry.icon.iconId)))
+                // URL
+                mOutputStream.write(URL_FIELD_TYPE)
+                StringDatabaseKDBUtils.writeStringToBytes(mEntry.url, mOutputStream).toLong()
 
-        // Title
-        //byte[] title = mEntry.title.getBytes("UTF-8");
-        mOutputStream.write(TITLE_FIELD_TYPE)
-        length += StringDatabaseKDBUtils.writeStringToBytes(mEntry.title, mOutputStream).toLong()
+                // Username
+                mOutputStream.write(USERNAME_FIELD_TYPE)
+                StringDatabaseKDBUtils.writeStringToBytes(mEntry.username, mOutputStream).toLong()
 
-        // URL
-        mOutputStream.write(URL_FIELD_TYPE)
-        length += StringDatabaseKDBUtils.writeStringToBytes(mEntry.url, mOutputStream).toLong()
+                // Password
+                mOutputStream.write(PASSWORD_FIELD_TYPE)
+                writePassword(mOutputStream, mEntry.password).toLong()
 
-        // Username
-        mOutputStream.write(USERNAME_FIELD_TYPE)
-        length += StringDatabaseKDBUtils.writeStringToBytes(mEntry.username, mOutputStream).toLong()
+                // Additional
+                mOutputStream.write(ADDITIONAL_FIELD_TYPE)
+                StringDatabaseKDBUtils.writeStringToBytes(mEntry.notes, mOutputStream).toLong()
 
-        // Password
-        mOutputStream.write(PASSWORD_FIELD_TYPE)
-        length += writePassword(mEntry.password, mOutputStream).toLong()
+                // Create date
+                writeDate(mOutputStream, CREATE_FIELD_TYPE, dateTo5Bytes(mEntry.creationTime.date))
 
-        // Additional
-        mOutputStream.write(ADDITIONAL_FIELD_TYPE)
-        length += StringDatabaseKDBUtils.writeStringToBytes(mEntry.notes, mOutputStream).toLong()
+                // Modification date
+                writeDate(mOutputStream, MOD_FIELD_TYPE, dateTo5Bytes(mEntry.lastModificationTime.date))
 
-        // Create date
-        writeDate(CREATE_FIELD_TYPE, dateTo5Bytes(mEntry.creationTime.date))
+                // Access date
+                writeDate(mOutputStream, ACCESS_FIELD_TYPE, dateTo5Bytes(mEntry.lastAccessTime.date))
 
-        // Modification date
-        writeDate(MOD_FIELD_TYPE, dateTo5Bytes(mEntry.lastModificationTime.date))
+                // Expiration date
+                writeDate(mOutputStream, EXPIRE_FIELD_TYPE, dateTo5Bytes(mEntry.expiryTime.date))
 
-        // Access date
-        writeDate(ACCESS_FIELD_TYPE, dateTo5Bytes(mEntry.lastAccessTime.date))
+                // Binary description
+                mOutputStream.write(BINARY_DESC_FIELD_TYPE)
+                StringDatabaseKDBUtils.writeStringToBytes(mEntry.binaryDescription, mOutputStream).toLong()
 
-        // Expiration date
-        writeDate(EXPIRE_FIELD_TYPE, dateTo5Bytes(mEntry.expiryTime.date))
-
-        // Binary description
-        mOutputStream.write(BINARY_DESC_FIELD_TYPE)
-        length += StringDatabaseKDBUtils.writeStringToBytes(mEntry.binaryDescription, mOutputStream).toLong()
-
-        // Binary
-        mOutputStream.write(BINARY_DATA_FIELD_TYPE)
-        val binaryData = mEntry.binaryData
-        val binaryDataLength = binaryData?.length() ?: 0L
-        // Write data length
-        mOutputStream.write(uIntTo4Bytes(UnsignedInt.fromKotlinLong(binaryDataLength)))
-        // Write data
-        if (binaryDataLength > 0) {
-            binaryData?.getInputDataStream().use { inputStream ->
-                inputStream?.readBytes(DatabaseKDB.BUFFER_SIZE_BYTES) { buffer ->
-                    length += buffer.size
-                    mOutputStream.write(buffer)
+                // Binary
+                mOutputStream.write(BINARY_DATA_FIELD_TYPE)
+                val binaryData = mEntry.binaryData
+                val binaryDataLength = binaryData?.length ?: 0L
+                // Write data length
+                mOutputStream.write(uIntTo4Bytes(UnsignedInt.fromKotlinLong(binaryDataLength)))
+                // Write data
+                if (binaryDataLength > 0) {
+                    binaryData?.getInputDataStream(binaryCipherKey).use { inputStream ->
+                        inputStream?.readAllBytes(DatabaseKDB.BUFFER_SIZE_BYTES) { buffer ->
+                            mOutputStream.write(buffer)
+                        }
+                        inputStream?.close()
+                    }
                 }
-                inputStream?.close()
+
+                // End
+                mOutputStream.write(END_FIELD_TYPE)
+                mOutputStream.write(ZERO_FIELD_SIZE)
+            } catch (e: IOException) {
+                throw DatabaseOutputException("Failed to output an entry.", e)
             }
         }
 
-        // End
-        mOutputStream.write(END_FIELD_TYPE)
-        mOutputStream.write(ZERO_FIELD_SIZE)
-    }
-
-    @Throws(IOException::class)
-    private fun writeDate(type: ByteArray, date: ByteArray?) {
-        mOutputStream.write(type)
-        mOutputStream.write(DATE_FIELD_SIZE)
-        if (date != null) {
-            mOutputStream.write(date)
-        } else {
-            mOutputStream.write(ZERO_FIVE)
+        @Throws(IOException::class)
+        private fun writeDate(outputStream: OutputStream,
+                              type: ByteArray,
+                              date: ByteArray?) {
+            outputStream.write(type)
+            outputStream.write(DATE_FIELD_SIZE)
+            if (date != null) {
+                outputStream.write(date)
+            } else {
+                outputStream.write(ZERO_FIVE)
+            }
         }
-    }
 
-    @Throws(IOException::class)
-    private fun writePassword(str: String, os: OutputStream): Int {
-        val initial = str.toByteArray(Charset.forName("UTF-8"))
-        val length = initial.size + 1
-        os.write(uIntTo4Bytes(UnsignedInt(length)))
-        os.write(initial)
-        os.write(0x00)
-        return length
-    }
+        @Throws(IOException::class)
+        private fun writePassword(outputStream: OutputStream, str: String): Int {
+            val initial = str.toByteArray(Charset.forName("UTF-8"))
+            val length = initial.size + 1
+            outputStream.write(uIntTo4Bytes(UnsignedInt(length)))
+            outputStream.write(initial)
+            outputStream.write(0x00)
+            return length
+        }
 
-    companion object {
         // Constants
-        val UUID_FIELD_TYPE:ByteArray = uShortTo2Bytes(1)
-        val GROUPID_FIELD_TYPE:ByteArray = uShortTo2Bytes(2)
-        val IMAGEID_FIELD_TYPE:ByteArray = uShortTo2Bytes(3)
-        val TITLE_FIELD_TYPE:ByteArray = uShortTo2Bytes(4)
-        val URL_FIELD_TYPE:ByteArray = uShortTo2Bytes(5)
-        val USERNAME_FIELD_TYPE:ByteArray = uShortTo2Bytes(6)
-        val PASSWORD_FIELD_TYPE:ByteArray = uShortTo2Bytes(7)
-        val ADDITIONAL_FIELD_TYPE:ByteArray = uShortTo2Bytes(8)
-        val CREATE_FIELD_TYPE:ByteArray = uShortTo2Bytes(9)
-        val MOD_FIELD_TYPE:ByteArray = uShortTo2Bytes(10)
-        val ACCESS_FIELD_TYPE:ByteArray = uShortTo2Bytes(11)
-        val EXPIRE_FIELD_TYPE:ByteArray = uShortTo2Bytes(12)
-        val BINARY_DESC_FIELD_TYPE:ByteArray = uShortTo2Bytes(13)
-        val BINARY_DATA_FIELD_TYPE:ByteArray = uShortTo2Bytes(14)
-        val END_FIELD_TYPE:ByteArray = uShortTo2Bytes(0xFFFF)
+        private val UUID_FIELD_TYPE:ByteArray = uShortTo2Bytes(1)
+        private val GROUPID_FIELD_TYPE: ByteArray = uShortTo2Bytes(1)
+        private val IMAGEID_FIELD_TYPE:ByteArray = uShortTo2Bytes(3)
+        private val TITLE_FIELD_TYPE:ByteArray = uShortTo2Bytes(4)
+        private val URL_FIELD_TYPE:ByteArray = uShortTo2Bytes(5)
+        private val USERNAME_FIELD_TYPE:ByteArray = uShortTo2Bytes(6)
+        private val PASSWORD_FIELD_TYPE:ByteArray = uShortTo2Bytes(7)
+        private val ADDITIONAL_FIELD_TYPE:ByteArray = uShortTo2Bytes(8)
+        private val CREATE_FIELD_TYPE:ByteArray = uShortTo2Bytes(9)
+        private val MOD_FIELD_TYPE:ByteArray = uShortTo2Bytes(10)
+        private val ACCESS_FIELD_TYPE:ByteArray = uShortTo2Bytes(11)
+        private val EXPIRE_FIELD_TYPE:ByteArray = uShortTo2Bytes(12)
+        private val BINARY_DESC_FIELD_TYPE:ByteArray = uShortTo2Bytes(13)
+        private val BINARY_DATA_FIELD_TYPE:ByteArray = uShortTo2Bytes(14)
+        private val END_FIELD_TYPE:ByteArray = uShortTo2Bytes(0xFFFF)
 
-        val LONG_FOUR:ByteArray = uIntTo4Bytes(UnsignedInt(4))
-        val UUID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(16))
-        val DATE_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(5))
-        val IMAGEID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
-        val LEVEL_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
-        val FLAGS_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
-        val ZERO_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(0))
-        val ZERO_FIVE:ByteArray = byteArrayOf(0x00, 0x00, 0x00, 0x00, 0x00)
+        private val LONG_FOUR:ByteArray = uIntTo4Bytes(UnsignedInt(4))
+        private val UUID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(16))
+        private val GROUPID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
+        private val DATE_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(5))
+        private val IMAGEID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
+        private val LEVEL_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
+        private val FLAGS_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
+        private val ZERO_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(0))
+        private val ZERO_FIVE:ByteArray = byteArrayOf(0x00, 0x00, 0x00, 0x00, 0x00)
     }
 }

app/src/main/java/com/kunzisoft/keepass/database/file/output/GroupOutputKDB.kt

@@ -20,6 +20,7 @@
 package com.kunzisoft.keepass.database.file.output
 
 import com.kunzisoft.keepass.database.element.group.GroupKDB
+import com.kunzisoft.keepass.database.exception.DatabaseOutputException
 import com.kunzisoft.keepass.stream.dateTo5Bytes
 import com.kunzisoft.keepass.stream.uIntTo4Bytes
 import com.kunzisoft.keepass.stream.uShortTo2Bytes
@@ -31,79 +32,83 @@ import java.io.OutputStream
 /**
  * Output the GroupKDB to the stream
  */
-class GroupOutputKDB (private val mGroup: GroupKDB, private val mOutputStream: OutputStream) {
-
-    @Throws(IOException::class)
-    fun output() {
-        //NOTE: Need be to careful about using ints.  The actual type written to file is a unsigned int, but most values can't be greater than 2^31, so it probably doesn't matter.
-
-        // Group ID
-        mOutputStream.write(GROUPID_FIELD_TYPE)
-        mOutputStream.write(GROUPID_FIELD_SIZE)
-        mOutputStream.write(uIntTo4Bytes(UnsignedInt(mGroup.id)))
-
-        // Name
-        mOutputStream.write(NAME_FIELD_TYPE)
-        StringDatabaseKDBUtils.writeStringToBytes(mGroup.title, mOutputStream)
-
-        // Create date
-        mOutputStream.write(CREATE_FIELD_TYPE)
-        mOutputStream.write(DATE_FIELD_SIZE)
-        mOutputStream.write(dateTo5Bytes(mGroup.creationTime.date))
-
-        // Modification date
-        mOutputStream.write(MOD_FIELD_TYPE)
-        mOutputStream.write(DATE_FIELD_SIZE)
-        mOutputStream.write(dateTo5Bytes(mGroup.lastModificationTime.date))
-
-        // Access date
-        mOutputStream.write(ACCESS_FIELD_TYPE)
-        mOutputStream.write(DATE_FIELD_SIZE)
-        mOutputStream.write(dateTo5Bytes(mGroup.lastAccessTime.date))
-
-        // Expiration date
-        mOutputStream.write(EXPIRE_FIELD_TYPE)
-        mOutputStream.write(DATE_FIELD_SIZE)
-        mOutputStream.write(dateTo5Bytes(mGroup.expiryTime.date))
-
-        // Image ID
-        mOutputStream.write(IMAGEID_FIELD_TYPE)
-        mOutputStream.write(IMAGEID_FIELD_SIZE)
-        mOutputStream.write(uIntTo4Bytes(UnsignedInt(mGroup.icon.iconId)))
-
-        // Level
-        mOutputStream.write(LEVEL_FIELD_TYPE)
-        mOutputStream.write(LEVEL_FIELD_SIZE)
-        mOutputStream.write(uShortTo2Bytes(mGroup.level))
-
-        // Flags
-        mOutputStream.write(FLAGS_FIELD_TYPE)
-        mOutputStream.write(FLAGS_FIELD_SIZE)
-        mOutputStream.write(uIntTo4Bytes(UnsignedInt(mGroup.groupFlags)))
-
-        // End
-        mOutputStream.write(END_FIELD_TYPE)
-        mOutputStream.write(ZERO_FIELD_SIZE)
-    }
+class GroupOutputKDB {
 
     companion object {
-        // Constants
-        val GROUPID_FIELD_TYPE: ByteArray = uShortTo2Bytes(1)
-        val NAME_FIELD_TYPE:ByteArray = uShortTo2Bytes(2)
-        val CREATE_FIELD_TYPE:ByteArray = uShortTo2Bytes(3)
-        val MOD_FIELD_TYPE:ByteArray = uShortTo2Bytes(4)
-        val ACCESS_FIELD_TYPE:ByteArray = uShortTo2Bytes(5)
-        val EXPIRE_FIELD_TYPE:ByteArray = uShortTo2Bytes(6)
-        val IMAGEID_FIELD_TYPE:ByteArray = uShortTo2Bytes(7)
-        val LEVEL_FIELD_TYPE:ByteArray = uShortTo2Bytes(8)
-        val FLAGS_FIELD_TYPE:ByteArray = uShortTo2Bytes(9)
-        val END_FIELD_TYPE:ByteArray = uShortTo2Bytes(0xFFFF)
+        @Throws(DatabaseOutputException::class)
+        fun write(mOutputStream: OutputStream,
+                  mGroup: GroupKDB) {
+            //NOTE: Need be to careful about using ints.  The actual type written to file is a unsigned int, but most values can't be greater than 2^31, so it probably doesn't matter.
+            try {
+                // Group ID
+                mOutputStream.write(GROUPID_FIELD_TYPE)
+                mOutputStream.write(GROUPID_FIELD_SIZE)
+                mOutputStream.write(uIntTo4Bytes(UnsignedInt(mGroup.id)))
 
-        val GROUPID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
-        val DATE_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(5))
-        val IMAGEID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
-        val LEVEL_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(2))
-        val FLAGS_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
-        val ZERO_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(0))
+                // Name
+                mOutputStream.write(NAME_FIELD_TYPE)
+                StringDatabaseKDBUtils.writeStringToBytes(mGroup.title, mOutputStream)
+
+                // Create date
+                mOutputStream.write(CREATE_FIELD_TYPE)
+                mOutputStream.write(DATE_FIELD_SIZE)
+                mOutputStream.write(dateTo5Bytes(mGroup.creationTime.date))
+
+                // Modification date
+                mOutputStream.write(MOD_FIELD_TYPE)
+                mOutputStream.write(DATE_FIELD_SIZE)
+                mOutputStream.write(dateTo5Bytes(mGroup.lastModificationTime.date))
+
+                // Access date
+                mOutputStream.write(ACCESS_FIELD_TYPE)
+                mOutputStream.write(DATE_FIELD_SIZE)
+                mOutputStream.write(dateTo5Bytes(mGroup.lastAccessTime.date))
+
+                // Expiration date
+                mOutputStream.write(EXPIRE_FIELD_TYPE)
+                mOutputStream.write(DATE_FIELD_SIZE)
+                mOutputStream.write(dateTo5Bytes(mGroup.expiryTime.date))
+
+                // Image ID
+                mOutputStream.write(IMAGEID_FIELD_TYPE)
+                mOutputStream.write(IMAGEID_FIELD_SIZE)
+                mOutputStream.write(uIntTo4Bytes(UnsignedInt(mGroup.icon.iconId)))
+
+                // Level
+                mOutputStream.write(LEVEL_FIELD_TYPE)
+                mOutputStream.write(LEVEL_FIELD_SIZE)
+                mOutputStream.write(uShortTo2Bytes(mGroup.level))
+
+                // Flags
+                mOutputStream.write(FLAGS_FIELD_TYPE)
+                mOutputStream.write(FLAGS_FIELD_SIZE)
+                mOutputStream.write(uIntTo4Bytes(UnsignedInt(mGroup.groupFlags)))
+
+                // End
+                mOutputStream.write(END_FIELD_TYPE)
+                mOutputStream.write(ZERO_FIELD_SIZE)
+            } catch (e: IOException) {
+                throw DatabaseOutputException("Failed to output a group", e)
+            }
+        }
+
+        // Constants
+        private val GROUPID_FIELD_TYPE: ByteArray = uShortTo2Bytes(1)
+        private val NAME_FIELD_TYPE:ByteArray = uShortTo2Bytes(2)
+        private val CREATE_FIELD_TYPE:ByteArray = uShortTo2Bytes(3)
+        private val MOD_FIELD_TYPE:ByteArray = uShortTo2Bytes(4)
+        private val ACCESS_FIELD_TYPE:ByteArray = uShortTo2Bytes(5)
+        private val EXPIRE_FIELD_TYPE:ByteArray = uShortTo2Bytes(6)
+        private val IMAGEID_FIELD_TYPE:ByteArray = uShortTo2Bytes(7)
+        private val LEVEL_FIELD_TYPE:ByteArray = uShortTo2Bytes(8)
+        private val FLAGS_FIELD_TYPE:ByteArray = uShortTo2Bytes(9)
+        private val END_FIELD_TYPE:ByteArray = uShortTo2Bytes(0xFFFF)
+
+        private val GROUPID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
+        private val DATE_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(5))
+        private val IMAGEID_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
+        private val LEVEL_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(2))
+        private val FLAGS_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(4))
+        private val ZERO_FIELD_SIZE:ByteArray = uIntTo4Bytes(UnsignedInt(0))
     }
 }

app/src/main/java/com/kunzisoft/keepass/services/AttachmentFileNotificationService.kt

@@ -29,11 +29,12 @@ import android.util.Log
 import androidx.documentfile.provider.DocumentFile
 import com.kunzisoft.keepass.R
 import com.kunzisoft.keepass.database.element.Attachment
+import com.kunzisoft.keepass.database.element.Database
 import com.kunzisoft.keepass.database.element.database.BinaryAttachment
 import com.kunzisoft.keepass.model.AttachmentState
 import com.kunzisoft.keepass.model.EntryAttachmentState
 import com.kunzisoft.keepass.model.StreamDirection
-import com.kunzisoft.keepass.stream.readBytes
+import com.kunzisoft.keepass.stream.readAllBytes
 import com.kunzisoft.keepass.timeout.TimeoutHelper
 import com.kunzisoft.keepass.utils.UriUtil
 import kotlinx.coroutines.*
@@ -345,7 +346,7 @@ class AttachmentFileNotificationService: LockNotificationService() {
                             }
                         }
                     } catch (e: Exception) {
-                        Log.e(TAG, "Unable to upload or download file", e)
+                        e.printStackTrace()
                         progressResult = false
                     }
                     progressResult
@@ -372,17 +373,19 @@ class AttachmentFileNotificationService: LockNotificationService() {
                                  bufferSize: Int = DEFAULT_BUFFER_SIZE,
                                  update: ((percent: Int)->Unit)? = null) {
             var dataDownloaded = 0L
-            val fileSize = binaryAttachment.length()
+            val fileSize = binaryAttachment.length
             UriUtil.getUriOutputStream(contentResolver, attachmentToUploadUri)?.use { outputStream ->
-                binaryAttachment.getUnGzipInputDataStream().use { inputStream ->
-                    inputStream.readBytes(bufferSize) { buffer ->
-                        outputStream.write(buffer)
-                        dataDownloaded += buffer.size
-                        try {
-                            val percentDownload = (100 * dataDownloaded / fileSize).toInt()
-                            update?.invoke(percentDownload)
-                        } catch (e: Exception) {
-                            Log.e(TAG, "", e)
+                Database.getInstance().loadedCipherKey?.let { binaryCipherKey ->
+                    binaryAttachment.getUnGzipInputDataStream(binaryCipherKey).use { inputStream ->
+                        inputStream.readAllBytes(bufferSize) { buffer ->
+                            outputStream.write(buffer)
+                            dataDownloaded += buffer.size
+                            try {
+                                val percentDownload = (100 * dataDownloaded / fileSize).toInt()
+                                update?.invoke(percentDownload)
+                            } catch (e: Exception) {
+                                Log.e(TAG, "", e)
+                            }
                         }
                     }
                 }
@@ -396,10 +399,10 @@ class AttachmentFileNotificationService: LockNotificationService() {
                              update: ((percent: Int)->Unit)? = null) {
             var dataUploaded = 0L
             val fileSize = contentResolver.openFileDescriptor(attachmentFromDownloadUri, "r")?.statSize ?: 0
-            UriUtil.getUriInputStream(contentResolver, attachmentFromDownloadUri)?.let { inputStream ->
-                binaryAttachment.getGzipOutputDataStream().use { outputStream ->
-                    BufferedInputStream(inputStream).use { attachmentBufferedInputStream ->
-                        attachmentBufferedInputStream.readBytes(bufferSize) { buffer ->
+            UriUtil.getUriInputStream(contentResolver, attachmentFromDownloadUri)?.use { inputStream ->
+                Database.getInstance().loadedCipherKey?.let { binaryCipherKey ->
+                    binaryAttachment.getGzipOutputDataStream(binaryCipherKey).use { outputStream ->
+                        inputStream.readAllBytes(bufferSize) { buffer ->
                             outputStream.write(buffer)
                             dataUploaded += buffer.size
                             try {

app/src/main/java/com/kunzisoft/keepass/stream/StreamBytesUtils.kt

@@ -24,13 +24,14 @@ import com.kunzisoft.keepass.utils.StringDatabaseKDBUtils.bytesToString
 import com.kunzisoft.keepass.utils.UnsignedInt
 import java.io.IOException
 import java.io.InputStream
+import java.io.OutputStream
 import java.util.*
 
 /**
  * Read all data of stream and invoke [readBytes] each time the buffer is full or no more data to read.
  */
 @Throws(IOException::class)
-fun InputStream.readBytes(bufferSize: Int, readBytes: (bytesRead: ByteArray) -> Unit) {
+fun InputStream.readAllBytes(bufferSize: Int, readBytes: (bytesRead: ByteArray) -> Unit) {
     val buffer = ByteArray(bufferSize)
     var read = 0
     while (read != -1) {
@@ -47,32 +48,17 @@ fun InputStream.readBytes(bufferSize: Int, readBytes: (bytesRead: ByteArray) ->
 }
 
 /**
- * Read number of bytes defined by [length] and invoke [readBytes] each time the buffer is full or no more data to read.
+ * Read number of bytes defined by [length] and copy the content in [outputStream]
  */
 @Throws(IOException::class)
-fun InputStream.readBytes(length: Int, bufferSize: Int, readBytes: (bytesRead: ByteArray) -> Unit) {
-    var bufferLength = bufferSize
-    var buffer = ByteArray(bufferLength)
-
-    var offset = 0
-    var read = 0
-    while (offset < length && read != -1) {
-
-        // To reduce the buffer for the last bytes reads
-        if (length - offset < bufferLength) {
-            bufferLength = length - offset
-            buffer = ByteArray(bufferLength)
-        }
-        read = this.read(buffer, 0, bufferLength)
-
-        // To get only the bytes read
-        val optimizedBuffer: ByteArray = if (read >= 0 && buffer.size > read) {
-            buffer.copyOf(read)
-        } else {
-            buffer
-        }
-        readBytes.invoke(optimizedBuffer)
-        offset += read
+fun InputStream.copyPartTo(outputStream: OutputStream, length: Int, bufferSize: Int = DEFAULT_BUFFER_SIZE) {
+    var bytesCopied: Long = 0
+    val buffer = ByteArray(bufferSize)
+    var bytesRead = read(buffer)
+    while (bytesRead >= 0 && bytesCopied <= length) {
+        outputStream.write(buffer, 0, bytesRead)
+        bytesCopied += bytesRead
+        bytesRead = read(buffer)
     }
 }