Cosmopolitan的博客

import "crypto/sha1"import "fmt"func main(){ s:="this is a string" h:=sha1.New() h.Write([]byte(s)) bs:=h.Sum(nil) fmt.Println(bs) fmt.Printf("%x\n",bs)}output:[81 117 146 223 143 236 5...

import( b64 "encoding/base64" "fmt")func main(){ s:="12345" enc:=b64.StdEncoding.EncodeToString([]byte(s)) fmt.Println(enc) plain,_:=b64.StdEncoding.DecodeString(enc) fmt.Println(plain) fm...