前端之家收集整理的这篇文章主要介绍了
golang aes cbc pkcs5padding,
前端之家小编觉得挺不错的,现在分享给大家,也给大家做个参考。
package main
import (
"crypto/cipher"
"encoding/base64"
"crypto/aes"
"log"
"bytes"
)
func main() {
txt,err := AESBase64Encrypt("bbbbaaaaaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
if err != nil{
log.Println(err)
return
}
log.Println(txt)
var source string
source,err = AESBase64Decrypt(txt,"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
if err != nil{
log.Println(err)
}
log.Println(source)
}
func AESBase64Encrypt(origin_data string,key string)(base64_result string,err error){
iv := []byte{1,2,3,4,5,6,7,8,9,1,6}
var block cipher.Block
if block,err = aes.NewCipher([]byte(key)); err != nil{
log.Println(err)
return
}
encrypt := cipher.NewCBCEncrypter(block,iv)
var source []byte = PKCS5Padding([]byte(origin_data),16)
var dst []byte = make([]byte,len(source))
encrypt.CryptBlocks(dst,source)
base64_result = base64.RawStdEncoding.EncodeToString(dst)
return
}
func AESBase64Decrypt(encrypt_data string,key string)(origin_data string,err = aes.NewCipher([]byte(key)); err != nil{
log.Println(err)
return
}
encrypt := cipher.NewCBCDecrypter(block,iv)
var source [] byte
if source,err = base64.RawStdEncoding.DecodeString(encrypt_data);err != nil{
log.Println(err)
return
}
var dst []byte = make([]byte,source)
origin_data = string(PKCS5Unpadding(dst))
return
}
func PKCS5Padding(ciphertext []byte,blockSize int) []byte {
padding := blockSize - len(ciphertext)%blockSize
padtext := bytes.Repeat([]byte{byte(padding)},padding)
return append(ciphertext,padtext...)
}
func PKCS5Unpadding(origData []byte) []byte {
length := len(origData)
unpadding := int(origData[length-1])
return origData[:(length - unpadding)]
}
原文链接:https://www.f2er.com/go/188473.html