[code]#import <CommonCrypto/CommonCryptor.h>// AES加密之ECB128模式 Padding- (NSString *)cs_aes128EncryptECBModeWithkey:(NSString *)key { if (key.length == 0) { key = @\"AES128Key\"; } char keyPtr[kCCKeySizeAES128+1]; memset(keyPtr, 0, sizeof(keyPtr)); [key getCString:keyPtr maxLength:sizeof(keyPtr) encoding:NSUTF8StringEncoding]; NSData* data = [self dataUsingEncoding:NSUTF8StringEncoding]; NSUInteger dataLength = [data length]; size_t bufferSize = dataLength + kCCBlockSizeAES128; void *buffer = malloc(bufferSize); size_t numBytesEncrypted = 0; CCCryptorStatus cryptStatus = CCCrypt(kCCEncrypt, kCCAlgorithmAES128, kCCOptionPKCS7Padding|kCCOptionECBMode, keyPtr, kCCBlockSizeAES128, NULL, [data bytes], dataLength, buffer, bufferSize, &numBytesEncrypted); if (cryptStatus == kCCSuccess) { NSData *resultData = [NSData dataWithBytesNoCopy:buffer length:numBytesEncrypted]; NSString *base64String = [resultData base64EncodedStringWithOptions:0]; return base64String; } free(buffer); return nil;}