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2014/10/15 ¤U¤È 10:12:14
iphone Programming Glossary: numbytesencryptediOS 5: Data encryption AES-256 EncryptWithKey: not found http://stackoverflow.com/questions/11482470/ios-5-data-encryption-aes-256-encryptwithkey-not-found to add the size of one block here size_t bufferSize dataLength kCCBlockSizeAES128 void buffer malloc bufferSize size_t numBytesEncrypted 0 CCCryptorStatus cryptStatus CCCrypt kCCEncrypt kCCAlgorithmAES128 kCCOptionPKCS7Padding keyPtr kCCKeySizeAES256 NULL.. kCCKeySizeAES256 NULL initialization vector optional self bytes dataLength input buffer bufferSize output numBytesEncrypted if cryptStatus kCCSuccess the returned NSData takes ownership of the buffer and will free it on deallocation return NSData.. NSData takes ownership of the buffer and will free it on deallocation return NSData dataWithBytesNoCopy buffer length numBytesEncrypted free buffer free the buffer return nil NSData AES256DecryptWithKey NSString key 'key' should be 32 bytes for AES256 will..
How can I make my AES encryption identical between Java and Objective-C (iPhone)? http://stackoverflow.com/questions/2280375/how-can-i-make-my-aes-encryption-identical-between-java-and-objective-c-iphone to add the size of one block here size_t bufferSize dataLength kCCBlockSizeAES128 void buffer malloc bufferSize size_t numBytesEncrypted 0 CCCryptorStatus cryptStatus CCCrypt kCCEncrypt kCCAlgorithmAES128 kCCOptionPKCS7Padding keyPtr kCCKeySizeAES128 NULL initialization.. keyPtr kCCKeySizeAES128 NULL initialization vector optional self bytes dataLength input buffer bufferSize output numBytesEncrypted if cryptStatus kCCSuccess the returned NSData takes ownership of the buffer and will free it on deallocation return NSData.. NSData takes ownership of the buffer and will free it on deallocation return NSData dataWithBytesNoCopy buffer length numBytesEncrypted free buffer free the buffer return nil And the java encryption code is... public byte encryptData byte data String key byte..
How to encrypt an NSString in Objective C with DES in ECB-Mode? http://stackoverflow.com/questions/2512184/how-to-encrypt-an-nsstring-in-objective-c-with-des-in-ecb-mode
How to use CCCrypt() to encrypt a file? http://stackoverflow.com/questions/5564641/how-to-use-cccrypt-to-encrypt-a-file kCCKeySizeAES256 NULL initialization vector optional dataBytes dataLength input buffer bufferSize output numBytesEncrypted when decrypt I use size_t bufferSize dataLength kCCBlockSizeAES128 CCCryptorStatus result CCCrypt kCCDecrypt kCCAlgorithmAES128.. kCCKeySizeAES256 NULL initialization vector optional dataBytes dataLength input buffer bufferSize output numBytesEncrypted But when decrypt it returns error kCCDecodeError 4304. If I remove the param of kCCOptionPKCS7Padding when decrypt there.. char dataIn This is your data char dataOut 500 set it acc ur data bzero dataOut sizeof dataOut size_t numBytesEncrypted 0 CCCryptorStatus result CCCrypt kCCEncrypt kCCAlgorithmAES128 kCCOptionPKCS7Padding keyPtr kCCKeySizeAES256 NULL dataIn..
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