1、DES加密
-(NSString*)encryptDES:(NSString*)plainText{
? ? NSString *key = @"AsdFGhjKLqWErtYuioPZxcvB";
? ? NSString*iv =@"12345678";
? ? NSString*ciphertext =nil;
? ? NSData *textData = [plainText dataUsingEncoding:NSUTF8StringEncoding];
? ? NSUIntegerdataLength = [textDatalength];
? ? size_tbufferSize = dataLength +kCCBlockSizeDES;
? ? void*buffer =malloc(bufferSize);
? ? memset(buffer,0,sizeof(char));
? ? size_tnumBytesEncrtpted =0;
? ? CCCryptorStatuscryptStatus =CCCrypt(kCCEncrypt,kCCAlgorithmDES,kCCOptionPKCS7Padding, [keyUTF8String],kCCBlockSizeDES, [ivUTF8String], [textDatabytes], dataLength, buffer, bufferSize, &numBytesEncrtpted);
? ? if(cryptStatus ==kCCSuccess){
? ? ? ? NSData*data = [NSDatadataWithBytes:(constvoid*)bufferlength:(NSUInteger)numBytesEncrtpted];
? ? ? ? ciphertext = [GTMCCBBase64stringByEncodingData:data];
? ? }
? ? returnciphertext;
}
