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120 lines
3.2 KiB
120 lines
3.2 KiB
//
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// BioAuthCryptoManager.hpp
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// BioAuthEngine
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//
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// Created by yukun.tyk on 5/16/16.
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// Copyright © 2016 DTF. All rights reserved.
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//
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#ifndef BioAuthCryptoManager_hpp
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#define BioAuthCryptoManager_hpp
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#import <Foundation/Foundation.h>
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#include <stdio.h>
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#import <functional>
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#import <Foundation/NSData.h>
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#import <Foundation/NSString.h>
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namespace DTF {
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/**
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* 业务加密结果回调
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*
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* @param success: 加密是否成功
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* @param cipher: 密文
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* @param encryptedKey: RSA公钥加密的AES密钥
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*/
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typedef std::function<void(bool, NSData *, NSData *)> completionCallback;
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class ToygerCryptoManager{
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public:
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/**
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* 1. 随机生成128位AES私钥
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* 2. 利用ASE私钥加密业务数据
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* 3. 利用RSA公钥加密AES密钥
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*
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* @param content 代价密数据
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* @param pubKey RSA公钥
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* @param callback 加密成功后callback
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*/
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static void mixEncrypt(NSData *content, NSString *pubKey, completionCallback callback);
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/**
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* AES加密
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*
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* @param content 业务数据
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* @param aesKey AES密钥
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*
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* @return 密文，失败则返回Nil
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*/
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static NSData *AESEncrypt(NSData *content, NSString *aesKey ,NSUInteger value=0);
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//获取md5值
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static NSString *MD5WithData(NSData *data);
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/**
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* AES解密
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*
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* @param content 业务数据
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* @param aesKey AES密钥
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*
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* @return 解密后数据，失败则返回Nil
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*/
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static NSData *AESDecrypt(NSData *content, NSString *aesKey);
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/**
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* 1024位RSA加密
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*
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* @param content 待加密数据，不得超过128位
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* @param pubKey RSA公钥
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*
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* @return 密文，失败返回nil
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*/
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static NSData *RSAEncrypt(NSData *content, NSString *pubKey);
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/**
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* 检查数据签名
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*
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* @param content 业务数据
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* @param signature 签名信息
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* @param pubKey RSA公钥
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*
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* @return 签名是够正确
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*/
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static BOOL checkSign(NSData *content, NSData *signature, NSString *pubKey);
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/**
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* 计算MD5
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*
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* @param str 业务数据
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*
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* @return MD5值
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*/
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static NSString *calculateMD5(NSString *str);
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/**
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* 生成UUID
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*/
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static NSString *generateUUID();
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// /**
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// * RC4编码
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// */
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// static NSData *RC4Crypt(NSData *data, int code);
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// private:
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/**
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* 生成随机字符串
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*
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* @param len 随机字符串长度，最长32个字节
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*
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* @return 生成的随机字符串
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*/
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static NSString *generateToken(NSInteger len);
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private:
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static NSData *stripPublicKeyHeader(NSData *pubKey);
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static SecKeyRef addPublicKey(NSString *pubKey);
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};
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}
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#endif /* BioAuthCryptoManager_hpp */
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