mirror of
https://github.com/kongyuebin1/dongfeng-pay.git
synced 2024-12-26 03:52:24 +08:00
132 lines
3.4 KiB
Go
132 lines
3.4 KiB
Go
/***************************************************
|
|
** @Desc : This file for ...
|
|
** @Time : 2018-8-30 13:50
|
|
** @Author : Joker
|
|
** @File : ACE_ECB
|
|
** @Last Modified by : Joker
|
|
** @Last Modified time: 2018-8-30 13:50
|
|
** @Software: GoLand
|
|
****************************************************/
|
|
package utils
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/aes"
|
|
"crypto/cipher"
|
|
"encoding/hex"
|
|
"github.com/astaxie/beego/logs"
|
|
)
|
|
|
|
/*
|
|
aes解码
|
|
crypted:要加密的字符串
|
|
key:用来加密的密钥 密钥长度可以是128bit、192bit、256bit中的任意一个
|
|
16位key对应128bit
|
|
*/
|
|
func AesDecrypt(src, key []byte) []byte {
|
|
block, err := aes.NewCipher(key)
|
|
if err != nil {
|
|
logs.Error("Joker: AesDecrypt failed to NewCipher")
|
|
logs.Error(err)
|
|
}
|
|
blockMode := NewECBDecrypter(block)
|
|
origData := make([]byte, len(src))
|
|
blockMode.CryptBlocks(origData, src)
|
|
origData = PKCS5UnPadding(origData)
|
|
return origData
|
|
}
|
|
|
|
/*aes编码*/
|
|
func AesEncrypt(src []byte, key string) []byte {
|
|
decodeString, err := hex.DecodeString(key)
|
|
if err != nil {
|
|
logs.Error("Joker: AesEncrypt failed to hex key")
|
|
logs.Error(err)
|
|
}
|
|
block, err := aes.NewCipher(decodeString)
|
|
if err != nil {
|
|
logs.Error("Joker: AesEncrypt failed to NewCipher")
|
|
logs.Error(err)
|
|
}
|
|
if len(src) < 0 {
|
|
logs.Error("Joker: AesEncrypt`s input is null ")
|
|
}
|
|
ecb := NewECBEncrypter(block)
|
|
src = PKCS5Padding(src, block.BlockSize())
|
|
crypted := make([]byte, len(src))
|
|
ecb.CryptBlocks(crypted, src)
|
|
// 普通base64编码加密 区别于urlsafe base64
|
|
//fmt.Println("base64 result:", base64.StdEncoding.EncodeToString(crypted))
|
|
//fmt.Println("base64UrlSafe result:", Base64UrlSafeEncode(crypted))
|
|
return crypted
|
|
}
|
|
|
|
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)
|
|
// 去掉最后一个字节 unpadding 次
|
|
unpadding := int(origData[length-1])
|
|
return origData[:(length - unpadding)]
|
|
}
|
|
|
|
type ecb struct {
|
|
b cipher.Block
|
|
blockSize int
|
|
}
|
|
|
|
func newECB(b cipher.Block) *ecb {
|
|
return &ecb{
|
|
b: b,
|
|
blockSize: b.BlockSize(),
|
|
}
|
|
}
|
|
|
|
type ecbEncrypter ecb
|
|
|
|
// NewECBEncrypter returns a BlockMode which encrypts in electronic code book
|
|
// mode, using the given Block.
|
|
func NewECBEncrypter(b cipher.Block) cipher.BlockMode {
|
|
return (*ecbEncrypter)(newECB(b))
|
|
}
|
|
func (x *ecbEncrypter) BlockSize() int { return x.blockSize }
|
|
func (x *ecbEncrypter) CryptBlocks(dst, src []byte) {
|
|
if len(src)%x.blockSize != 0 {
|
|
logs.Error("Joker: CryptBlocks`s input not full blocks")
|
|
}
|
|
if len(dst) < len(src) {
|
|
logs.Error("Joker: CryptBlocks`s output smaller than input")
|
|
}
|
|
for len(src) > 0 {
|
|
x.b.Encrypt(dst, src[:x.blockSize])
|
|
src = src[x.blockSize:]
|
|
dst = dst[x.blockSize:]
|
|
}
|
|
}
|
|
|
|
type ecbDecrypter ecb
|
|
|
|
// NewECBDecrypter returns a BlockMode which decrypts in electronic code book
|
|
// mode, using the given Block.
|
|
func NewECBDecrypter(b cipher.Block) cipher.BlockMode {
|
|
return (*ecbDecrypter)(newECB(b))
|
|
}
|
|
func (x *ecbDecrypter) BlockSize() int { return x.blockSize }
|
|
func (x *ecbDecrypter) CryptBlocks(dst, src []byte) {
|
|
if len(src)%x.blockSize != 0 {
|
|
logs.Error("Joker: CryptBlocks`s input not full blocks")
|
|
}
|
|
if len(dst) < len(src) {
|
|
logs.Error("Joker: CryptBlocks`s output smaller than input")
|
|
}
|
|
for len(src) > 0 {
|
|
x.b.Decrypt(dst, src[:x.blockSize])
|
|
src = src[x.blockSize:]
|
|
dst = dst[x.blockSize:]
|
|
}
|
|
}
|