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2014/10/15 ¤U¤È 10:05:06
iphone Programming Glossary: cipherbuffersizeIphone - How to encrypt NSData with public key and decrypt with private key? http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key status noErr NSLog @ original plain text 0 s plainBuffer size_t plainBufferSize strlen char plainBuffer size_t cipherBufferSize CIPHER_BUFFER_SIZE NSLog @ SecKeyGetBlockSize public lu SecKeyGetBlockSize self getPublicKeyRef Error handling Encrypt using.. using the public. status SecKeyEncrypt self getPublicKeyRef PADDING plainBuffer plainBufferSize cipherBuffer 0 cipherBufferSize NSLog @ encryption result code ld size lu status cipherBufferSize NSLog @ encrypted text s cipherBuffer void decryptWithPrivateKey.. plainBuffer plainBufferSize cipherBuffer 0 cipherBufferSize NSLog @ encryption result code ld size lu status cipherBufferSize NSLog @ encrypted text s cipherBuffer void decryptWithPrivateKey uint8_t cipherBuffer plainBuffer uint8_t plainBuffer OSStatus..
RSA implementations in Objective C http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c status noErr NSLog @ original plain text 0 s plainBuffer size_t plainBufferSize strlen char plainBuffer size_t cipherBufferSize CIPHER_BUFFER_SIZE NSLog @ SecKeyGetBlockSize public lu SecKeyGetBlockSize self getPublicKeyRef Error handling Encrypt using.. using the public. status SecKeyEncrypt self getPublicKeyRef PADDING plainBuffer plainBufferSize cipherBuffer 0 cipherBufferSize NSLog @ encryption result code ld size lu status cipherBufferSize NSLog @ encrypted text s cipherBuffer void decryptWithPrivateKey.. plainBuffer plainBufferSize cipherBuffer 0 cipherBufferSize NSLog @ encryption result code ld size lu status cipherBufferSize NSLog @ encrypted text s cipherBuffer void decryptWithPrivateKey uint8_t cipherBuffer plainBuffer uint8_t plainBuffer OSStatus..
Having trouble decrypting in C# something encrypted on iPhone using RSA http://stackoverflow.com/questions/1133724/having-trouble-decrypting-in-c-sharp-something-encrypted-on-iphone-using-rsa app 's wrapSymmetricKey method NSData encrypt NSString plainText usingKey SecKeyRef key error NSError err size_t cipherBufferSize SecKeyGetBlockSize key uint8_t cipherBuffer NULL cipherBuffer malloc cipherBufferSize sizeof uint8_t memset void cipherBuffer.. key error NSError err size_t cipherBufferSize SecKeyGetBlockSize key uint8_t cipherBuffer NULL cipherBuffer malloc cipherBufferSize sizeof uint8_t memset void cipherBuffer 0x0 cipherBufferSize NSData plainTextBytes plainText dataUsingEncoding NSUTF8StringEncoding.. key uint8_t cipherBuffer NULL cipherBuffer malloc cipherBufferSize sizeof uint8_t memset void cipherBuffer 0x0 cipherBufferSize NSData plainTextBytes plainText dataUsingEncoding NSUTF8StringEncoding OSStatus status SecKeyEncrypt key kSecPaddingNone..
send RSA public key to iphone and use it to encrypt http://stackoverflow.com/questions/4211484/send-rsa-public-key-to-iphone-and-use-it-to-encrypt blockSize SecKeyGetBlockSize publicKey NSMutableData collectedCipherData NSMutableData data BOOL success YES size_t cipherBufferSize blockSize uint8_t cipherBuffer malloc blockSize int i for i 0 i strlen plain_text i blockSize 11 int j for j 0 j blockSize.. j plain_text i j int result if result SecKeyEncrypt publicKey kSecPaddingPKCS1 cipherBuffer j cipherBuffer cipherBufferSize errSecSuccess collectedCipherData appendBytes cipherBuffer length cipherBufferSize else success NO break Free the Security.. cipherBuffer j cipherBuffer cipherBufferSize errSecSuccess collectedCipherData appendBytes cipherBuffer length cipherBufferSize else success NO break Free the Security Framework Five CFRelease cert CFRelease policy CFRelease trust CFRelease publicKey..
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