diff options
| -rw-r--r-- | Source/SPDataAdditions.m | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Source/SPDataAdditions.m b/Source/SPDataAdditions.m index 3f45a5fa..d50ee631 100644 --- a/Source/SPDataAdditions.m +++ b/Source/SPDataAdditions.m @@ -148,6 +148,7 @@ static char base64encodingTable[64] = { - (NSData*)dataDecryptedWithPassword:(NSString*)password { + // Create the key from the password hash unsigned char passwordDigest[20]; SHA1((const unsigned char *)[password UTF8String], strlen([password UTF8String]), passwordDigest); @@ -169,15 +170,15 @@ static char base64encodingTable[64] = { AES_cbc_encrypt([self bytes] + 16, decryptedBytes, encryptedLength, &aesKey, iv, AES_DECRYPT); // If decryption was successful, these blocks will be zeroed - if ( *((NSUInteger*)decryptedBytes + ((encryptedLength / 4) - 4)) || - *((NSUInteger*)decryptedBytes + ((encryptedLength / 4) - 3)) || - *((NSUInteger*)decryptedBytes + ((encryptedLength / 4) - 2)) ) + if ( *((UInt32*)decryptedBytes + ((encryptedLength / 4) - 4)) || + *((UInt32*)decryptedBytes + ((encryptedLength / 4) - 3)) || + *((UInt32*)decryptedBytes + ((encryptedLength / 4) - 2)) ) { return nil; } // Get the size of the data from the last 32-bit chunk - NSInteger bigIntDataLength = *((NSUInteger*)decryptedBytes + ((encryptedLength / 4) - 1)); + NSInteger bigIntDataLength = *((UInt32*)decryptedBytes + ((encryptedLength / 4) - 1)); NSInteger dataLength = NSSwapBigIntToHost(bigIntDataLength); return [NSData dataWithBytesNoCopy:decryptedBytes length:dataLength]; |