mirror of
https://github.com/gopl-zh/gopl-zh.github.com.git
synced 2024-11-05 14:03:45 +00:00
26 lines
589 B
Go
26 lines
589 B
Go
|
// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
|
||
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
||
|
|
|
||
|
|
// See page 83.
|
||
|
|
|
||
|
|
// The sha256 command computes the SHA256 hash (an array) of a string.
|
||
|
|
package main
|
||
|
|
|
||
|
|
import "fmt"
|
||
|
|
|
||
|
|
//!+
|
||
|
|
import "crypto/sha256"
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
c1 := sha256.Sum256([]byte("x"))
|
||
|
|
c2 := sha256.Sum256([]byte("X"))
|
||
|
|
fmt.Printf("%x\n%x\n%t\n%T\n", c1, c2, c1 == c2, c1)
|
||
|
|
// Output:
|
||
|
|
// 2d711642b726b04401627ca9fbac32f5c8530fb1903cc4db02258717921a4881
|
||
|
|
// 4b68ab3847feda7d6c62c1fbcbeebfa35eab7351ed5e78f4ddadea5df64b8015
|
||
|
|
// false
|
||
|
|
// [32]uint8
|
||
|
|
}
|
||
|
|
|
||
|
|
//!-
|