Golang语言情怀-第67期 Go 语言标准库翻译 crypto/sha1

Constants
func Sum(data []byte) [Size]byte
func New() hash.Hash

const BlockSize = 64

const Size = 20

func New() hash.Hash

package main

import (
    "crypto/sha1"
    "fmt"
    "io"
)

func main() {
    h := sha1.New()
    io.WriteString(h, "His money is twice tainted:")
    io.WriteString(h, " 'taint yours and 'taint mine.")
    fmt.Printf("% x", h.Sum(nil))
}

package main

import (
    "crypto/sha1"
    "fmt"
    "io"
    "log"
    "os"
)

func main() {
    f, err := os.Open("file.txt")
    if err != nil {
        log.Fatal(err)
    }
    defer f.Close()

    h := sha1.New()
    if _, err := io.Copy(h, f); err != nil {
        log.Fatal(err)
    }

    fmt.Printf("% x", h.Sum(nil))
}

func Sum(data []byte) [Size]byte

package main

import (
    "crypto/sha1"
    "fmt"
)

func main() {
    data := []byte("This page intentionally left blank.")
    fmt.Printf("% x", sha1.Sum(data))
}

package main
import (
 "fmt"
 "crypto/md5"
 "crypto/sha1"
 "io"
)
//对字符串进行MD5哈希
func a(data string) string {
 t := md5.New();
 io.WriteString(t,data);
 return fmt.Sprintf("%x",t.Sum(nil));
}
//对字符串进行SHA1哈希
func b(data string) string {
 t := sha1.New();
 io.WriteString(t,data);
 return fmt.Sprintf("%x",t.Sum(nil));
}
func main(){
 var data string = "abc";
 fmt.Printf("MD5 : %s\n",a(data));
 fmt.Printf("SHA1 : %s\n",b(data));
}

D:\workspace\golang>GetMd5AndSha1.exe
MD5 : 900150983cd24fb0d6963f7d28e17f72
SHA1 : a9993e364706816aba3e25717850c26c9cd0d89d