sha256
最后更新于：2022-04-02 02:42:59
[TOC]
## 三种方式
```
fmt.Printf("%x\n", sha256.Sum256([]byte("123")))
// a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3
hash := sha256.New()
hash.Write([]byte("123"))
fmt.Printf("%x\n", hash.Sum(nil))
// a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3
fmt.Printf("%s\n", hex.EncodeToString(hash.Sum(nil)))
// a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3
```
';