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Add chunk IV to chunk MAC

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This commit is contained in:
Moxie Marlinspike 2018-03-02 10:23:30 -08:00
parent 24e573e537
commit 3970a30e14
2 changed files with 2 additions and 0 deletions
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1
src/org/thoughtcrime/securesms/backup/FullBackupExporter.java
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@ -256,6 +256,7 @@ public class FullBackupExporter extends FullBackupBase {
try {
Conversions.intToByteArray(iv, 0, counter++);
cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(cipherKey, "AES"), new IvParameterSpec(iv));
mac.update(iv);
byte[] buffer = new byte[8192];
int read;

1
src/org/thoughtcrime/securesms/backup/FullBackupImporter.java
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@ -171,6 +171,7 @@ public class FullBackupImporter extends FullBackupBase {
try {
Conversions.intToByteArray(iv, 0, counter++);
cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(cipherKey, "AES"), new IvParameterSpec(iv));
mac.update(iv);
byte[] buffer = new byte[8192];