Golang语言情怀-第63期 Go 语言标准库翻译 crypto/md5

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

const BlockSize = 64

const Size = 16

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

package main

import (
    "crypto/md5"
    "fmt"
)

func main() {
    data := []byte("These pretzels are making me thirsty.")
    fmt.Printf("%x", md5.Sum(data))
}

func New() hash.Hash

package main

import (
    "crypto/md5"
    "fmt"
    "io"
)

func main() {
    h := md5.New()
    io.WriteString(h, "The fog is getting thicker!")
    io.WriteString(h, "And Leon's getting laaarger!")
    fmt.Printf("%x", h.Sum(nil))
}

package main

import (
    "crypto/md5"
    "fmt"
    "io"
    "log"
    "os"
)

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

    h := md5.New()
    if _, err := io.Copy(h, f); err != nil {
        log.Fatal(err)
    }

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

func md5_1(s string) {
    m := md5.New()
    m.Write([]byte (s))
    fmt.Println(hex.EncodeToString(m.Sum(nil)))
}

func md5_2(s string) {
    m := md5.Sum([]byte (s))
    fmt.Println(hex.EncodeToString(m[:]))
}func md5_3(s string) {
    m := md5.Sum([]byte(s))
    fmt.Printf("%x", m)
    fmt.Println()
}

func md5_4(s string) {
    m := md5.New()
    io.WriteString(m, s)
    fmt.Println(hex.EncodeToString(m.Sum(nil)))
}