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Add warning if number of key encryption round is more than I currently handle.

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This commit is contained in:
Brian Pellin
2010-04-25 14:50:51 -05:00
parent d26008f50d
commit 87c498fa41
1 changed files with 8 additions and 1 deletions
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9
src/com/keepassdroid/database/PwDbHeaderV3.java
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@@ -24,6 +24,8 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
package com.keepassdroid.database;
import java.io.IOException;
import com.keepassdroid.utils.Types;
public class PwDbHeaderV3 extends PwDbHeader {
@@ -67,8 +69,9 @@ public class PwDbHeaderV3 extends PwDbHeader {
/**
* Parse given buf, as read from file.
* @param buf
* @throws IOException
*/
public void loadFromFile( byte buf[], int offset ) {
public void loadFromFile( byte buf[], int offset ) throws IOException {
signature1 = Types.readInt( buf, offset + 0 );
signature2 = Types.readInt( buf, offset + 4 );
flags = Types.readInt( buf, offset + 8 );
@@ -84,6 +87,10 @@ public class PwDbHeaderV3 extends PwDbHeader {
System.arraycopy( buf, offset + 88, mTransformSeed, 0, 32 );
numKeyEncRounds = Types.readInt( buf, offset + 120 );
if ( numKeyEncRounds < 0 ) {
// TODO: Really treat this like an unsigned integer
throw new IOException("Does not support more than " + Integer.MAX_VALUE + " rounds.");
}
}
public PwDbHeaderV3() {