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don't decrypt file size obfucscation padding

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Sebastian Stenzel
2015-07-25 16:18:02 +02:00
parent bc0a26b0ad
commit 9771c6d1e7
1 changed files with 1 additions and 1 deletions
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2
main/crypto-aes/src/main/java/org/cryptomator/crypto/aes256/Aes256Cryptor.java
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@@ -426,7 +426,7 @@ public class Aes256Cryptor implements Cryptor, AesCryptographicConfiguration {
byte[] buffer = new byte[CONTENT_MAC_BLOCK + 32];
int n = 0;
long blockNum = 0;
while ((n = IOUtils.read(in, buffer)) > 0) {
while ((n = IOUtils.read(in, buffer)) > 0 && bytesDecrypted < fileSize) {
if (n < 32) {
throw new DecryptFailedException("Invalid file content, missing MAC.");
}