fix: Add unit test for app signature and fix multiple fingerprint

crypto/src/androidTest/java/com/kunzisoft/encrypt/AppSignatureTest.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright 202 Jeremy Jamet / Kunzisoft.
+ *
+ * This file is part of KeePassDX.
+ *
+ * KeePassDX is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * KeePassDX is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with KeePassDX. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.kunzisoft.encrypt
+
+import com.kunzisoft.encrypt.HashManager.fingerprintToUrlSafeBase64
+import org.junit.Assert
+import org.junit.Test
+
+class AppSignatureTest {
+
+    @Test
+    fun testSingleSignature() {
+        // Generate random input
+        val fingerprint = "A7:5C:63:72:A0:B6:7D:B0:16:86:B4:7D:F6:8C:91:51:6E:E1:62:29:EE:C4:C0:C6:7D:35:5E:32:20:7C:66:17"
+        val expected = "p1xjcqC2fbAWhrR99oyRUW7hYinuxMDGfTVeMiB8Zhc"
+
+        Assert.assertEquals("Check fingerprint app", expected, fingerprintToUrlSafeBase64(fingerprint))
+    }
+
+    @Test
+    fun testMultipleSignature() {
+        // Generate random input
+        val fingerprint = "A7:5C:63:72:A0:B6:7D:B0:16:86:B4:7D:F6:8C:91:51:6E:E1:62:29:EE:C4:C0:C6:7D:35:5E:32:20:7C:66:17##SIG##DB:25:8A:A6:19:08:9B:D1:3D:BA:71:9E:5A:DA:EC:FF:7F:12:C8:8F:67:AD:68:3C:1F:BC:F2:28:B3:88:BD:91"
+        val expected = "p1xjcqC2fbAWhrR99oyRUW7hYinuxMDGfTVeMiB8Zhc"
+
+        Assert.assertEquals("Check fingerprint app", expected, fingerprintToUrlSafeBase64(fingerprint))
+    }
+}

crypto/src/main/java/com/kunzisoft/encrypt/HashManager.kt

@@ -209,7 +209,7 @@ object HashManager {
         if (firstFingerprint.isNullOrEmpty()) {
             throw IllegalArgumentException("Invalid fingerprint $fingerprint")
         }
-        val hexStringNoColons = fingerprint.replace(":", "")
+        val hexStringNoColons = firstFingerprint.replace(":", "")
         if (hexStringNoColons.length % 2 != 0) {
             throw IllegalArgumentException("Hex string must have an even number of characters: $hexStringNoColons")
         }