diff options
Diffstat (limited to 'Source/SPDataAdditions.m')
-rw-r--r-- | Source/SPDataAdditions.m | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/Source/SPDataAdditions.m b/Source/SPDataAdditions.m index 332cb7ab..3f45a5fa 100644 --- a/Source/SPDataAdditions.m +++ b/Source/SPDataAdditions.m @@ -49,16 +49,16 @@ static char base64encodingTable[64] = { * * Convert self to a base64 encoded NSString */ -- (NSString *) base64EncodingWithLineLength:(unsigned int)lineLength { +- (NSString *) base64EncodingWithLineLength:(NSUInteger)lineLength { const unsigned char *bytes = [self bytes]; - unsigned long ixtext = 0; - unsigned long lentext = [self length]; - long ctremaining = 0; + NSUInteger ixtext = 0; + NSUInteger lentext = [self length]; + NSInteger ctremaining = 0; unsigned char inbuf[3], outbuf[4]; short i = 0; short charsonline = 0, ctcopy = 0; - unsigned long ix = 0; + NSUInteger ix = 0; NSMutableString *base64 = [NSMutableString stringWithCapacity:lentext]; @@ -111,15 +111,15 @@ static char base64encodingTable[64] = { { // Create a random 128-bit initialization vector srand(time(NULL)); - int ivIndex; + NSInteger ivIndex; unsigned char iv[16]; for (ivIndex = 0; ivIndex < 16; ivIndex++) iv[ivIndex] = rand() & 0xff; // Calculate the 16-byte AES block padding - int dataLength = [self length]; - int paddedLength = dataLength + (32 - (dataLength % 16)); - int totalLength = paddedLength + 16; // Data plus IV + NSInteger dataLength = [self length]; + NSInteger paddedLength = dataLength + (32 - (dataLength % 16)); + NSInteger totalLength = paddedLength + 16; // Data plus IV // Allocate enough space for the IV + ciphertext unsigned char *encryptedBytes = calloc(1, totalLength); @@ -130,7 +130,7 @@ static char base64encodingTable[64] = { memcpy(paddedBytes, [self bytes], dataLength); // The last 32-bit chunk is the size of the plaintext, which is encrypted with the plaintext - int bigIntDataLength = NSSwapHostIntToBig(dataLength); + NSInteger bigIntDataLength = NSSwapHostIntToBig(dataLength); memcpy(paddedBytes + (paddedLength - 4), &bigIntDataLength, 4); // Create the key from first 128-bits of the 160-bit password hash @@ -157,8 +157,8 @@ static char base64encodingTable[64] = { AES_set_decrypt_key(passwordDigest, 128, &aesKey); // Total length = encrypted length + IV - int totalLength = [self length]; - int encryptedLength = totalLength - 16; + NSInteger totalLength = [self length]; + NSInteger encryptedLength = totalLength - 16; // Take the IV from the first 128-bit block unsigned char iv[16]; @@ -169,16 +169,16 @@ 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 ( *((unsigned int*)decryptedBytes + ((encryptedLength / 4) - 4)) || - *((unsigned int*)decryptedBytes + ((encryptedLength / 4) - 3)) || - *((unsigned int*)decryptedBytes + ((encryptedLength / 4) - 2)) ) + if ( *((NSUInteger*)decryptedBytes + ((encryptedLength / 4) - 4)) || + *((NSUInteger*)decryptedBytes + ((encryptedLength / 4) - 3)) || + *((NSUInteger*)decryptedBytes + ((encryptedLength / 4) - 2)) ) { return nil; } // Get the size of the data from the last 32-bit chunk - int bigIntDataLength = *((unsigned int*)decryptedBytes + ((encryptedLength / 4) - 1)); - int dataLength = NSSwapBigIntToHost(bigIntDataLength); + NSInteger bigIntDataLength = *((NSUInteger*)decryptedBytes + ((encryptedLength / 4) - 1)); + NSInteger dataLength = NSSwapBigIntToHost(bigIntDataLength); return [NSData dataWithBytesNoCopy:decryptedBytes length:dataLength]; } @@ -187,12 +187,12 @@ static char base64encodingTable[64] = { { if ([self length] == 0) return self; - unsigned full_length = [self length]; - unsigned half_length = [self length] / 2; + NSUInteger full_length = [self length]; + NSUInteger half_length = [self length] / 2; NSMutableData *unzipData = [NSMutableData dataWithLength: full_length + half_length]; BOOL done = NO; - int status; + NSInteger status; z_stream zlibStream; zlibStream.next_in = (Bytef *)[self bytes]; @@ -295,7 +295,7 @@ static char base64encodingTable[64] = { buffLength = totalLength - i; } - buffer = (unsigned char*) malloc( sizeof( unsigned char ) * buffLength + 1); + buffer = (unsigned char*) malloc( sizeof(unsigned char) * buffLength + 1); [self getBytes:buffer range:NSMakeRange(i, buffLength)]; |