iOS安全加密：AES-RSA-For-iOS
jopen
9年前
iOS，安全加密。采用RSA签名和AES随机秘钥加密，AES的随机秘钥采用RSA加密。密码0123456789abcdef 加密字段1加密结果：2yPBJGtAg/AfuvT8idAmzw==
NSMutableDictionary *resultDic = [[NSMutableDictionary alloc]initWithCapacity:1]; //step1 对报文数据源排序a->z NSMutableArray *sortedArray = [self sortDictionary:EncryptDic]; //step2 取出排序过后数组的value，拼成string NSMutableArray *arrayOfValues = [NSMutableArray arrayWithArray:sortedArray]; NSString *paramValue = [arrayOfValues componentsJoinedByString:@""]; //step3 根据RAS私有密钥签名业务请求参数值字符串(paramValue),生成基于SHA1的RSA数字签名 CRSA *t = [CRSA shareInstance]; NSString *sign = [t encryptByRsa:paramValue withKeyType:KeyTypePrivate]; //step4 将签名放入原报文 NSMutableDictionary *dicWithSign = [NSMutableDictionary dictionaryWithDictionary:EncryptDic]; [dicWithSign setObject:sign forKey:@"sign"]; //step5 随机生成16位数字和字母组成的 NSString *merchantAesKey = [LcAESRSA set32bitString:16]; NSLog(@"\rAES key :%@",merchantAesKey); //step6 用16位随机码加密含有签名的报文 SBJsonWriter * parser = [[SBJsonWriter alloc]init]; NSString * realdata = [parser stringWithObject:dicWithSign]; NSString *Stringdata = [NSData AES256EncryptWithPlainText:realdata key:merchantAesKey]; //step7 使用 RSA 加密 merchantAesKey 生成密钥密文: NSString *Stringencryptkey = [t encryptByRsa:merchantAesKey withKeyType:KeyTypePublic]; [resultDic setObject:Stringdata forKey:@"data"]; [resultDic setObject:Stringencryptkey forKey:@"encryptKey"];