通过将 NSData 更改为 NSString,返回 null 值。我需要你的帮助
*cipher.h、cipher.m 所有代码: http:// /watchitlater.com/blog/2010/02/java-and-iphone-aes-interoperability
Cipher.m
-(NSData *)encrypt:(NSData *)plainText{
return [self transform:KCCEncrypt data:plainText;
}
步骤1。
Cipher *cipher = [[Cipher alloc]initWithKey:@"1234567890"];
NSData *input = [@"kevin" dataUsingEncoding:NSUTF8StringEncoding];
NSData *data = [cipher encrypt:input];
数据变量 NSLog 打印:<4d1c4d7f 1592718c fd588cec 84053e35>
步骤2.
NSString *changeVal = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
数据变量 NSLog print : null
NSData 通过改变 NSString 的值 null 来返回。通过NSURLConnection 转换想要的NSString 来传递。我需要你的帮助
*cipher.h, cipher.m all code : http://watchitlater.com/blog/2010/02/java-and-iphone-aes-interoperability
Cipher.m
-(NSData *)encrypt:(NSData *)plainText{
return [self transform:KCCEncrypt data:plainText;
}
step1.
Cipher *cipher = [[Cipher alloc]initWithKey:@"1234567890"];
NSData *input = [@"kevin" dataUsingEncoding:NSUTF8StringEncoding];
NSData *data = [cipher encrypt:input];
data variables NSLog print : <4d1c4d7f 1592718c fd588cec 84053e35>
step2.
NSString *changeVal = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
data variables NSLog print : null
NSData to NSString by changing the value null is returned. By converting NSString NSURLConnection want to transfer. I need you help
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Kevin,我实际上采用了密码加密方法的结果,并使用 NSData 的扩展将其转换为 Base64 编码的字符串。密文本身不会转换为有效的 UTF8 字符串。
Kevin, I actually take the result of the cipher encrypt method and use an extension to NSData to convert it to a Base64 encoded string. The cipher text does NOT convert to a valid UTF8 string by itself.