iOS～～MD5加密

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// 一般加密

+(NSString *)md5String:(NSString *)str

{

    const char *password=[str UTF8String];

    unsigned char mdc[16];

    CC_MD5(password,(CC_LONG)strlen(password),mdc);

    NSMutableString *md5String=[NSMutableString string];

    for (int i=0;i<16;i++)

    {

        [md5String appendFormat:@"%02x",mdc[i]];

    }

    return md5String;

}

+(NSString *)md5StringBest:(NSString *)str

{

    const char *password=[str UTF8String];

    unsigned char mdc[16];

    CC_MD5(password,(CC_LONG)strlen(password),mdc);

    NSMutableString *md5String=[NSMutableString string];

    for (int i=0;i<16;i++)

    {

        [md5String appendFormat:@"%02x",mdc[i]^mdc[0]];

    }

    return md5String;

}

iOS～～MD5加密

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原文地址：http://www.cnblogs.com/yhj1787354782/p/5610900.html