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encrypt's Introduction

encrypt-demo

数据加解密的相关Demo

Base64Demo

使用流程图

  • 单向加密
  • BASE加密后产生的字节位数是8的倍数,如果不够位数以=符号填充

MD5Demo

使用流程图

  • message-digest algorithm 5 消息摘要算法
  • 通常将MD5产生的字节数组交给BASE64再加密一把,得到相应的字符串。

SHA

使用流程图

SHA(Secure Hash Algorithm,安全散列算法),数字签名等密码学应用中重要的工具,被广泛地应用于电子商务等信息安全领域。虽然,SHA与MD5通过碰撞法都被破解了, 但是SHA仍然是公认的安全加密算法,较之MD5更为安全。

HMAC

HMAC(Hash Message Authentication Code,散列消息鉴别码,基于密钥的Hash算法的认证协议。消息鉴别码实现鉴别的原理是,用公开函数和密钥产生一个固定长度的值作为认证标识,用这个 标识鉴别消息的完整性。使用一个密钥生成一个固定大小的小数据块,即MAC,并将其加入到消息中,然后传输。接收方利用与发送方共享的密钥进行鉴别认证 等。

使用流程图

使用流程图

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