js 代碼：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<script src="aes/aes.js"></script>
<!--
<script src="components/pad-zeropadding.js"></script>
-->
<body>
<script>
var key = CryptoJS.enc.Utf8.parse("7971267812365mn8");
var plaintText = 'hello world'; // 明文
var iv=key; //16位字符串
var encryptedData = CryptoJS.AES.encrypt(plaintText, key, {
iv: key,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
console.log("加密前："+plaintText);
console.log("加密後："+encryptedData); //Pkcs7: WoCzvm6eZiM4/bx5o/CzGw==
//ZeroPadding : cUYmaJktt7P+dqv+Ijds9g==
console.log("加密後 base64："+encryptedData.ciphertext.toString(CryptoJS.enc.Base64));
encryptedData = encryptedData.ciphertext.toString();
console.log("解密前-no-hex："+encryptedData);
var encryptedHexStr = CryptoJS.enc.Hex.parse(encryptedData);
console.log("解密前hex："+encryptedHexStr);
var encryptedBase64Str = CryptoJS.enc.Base64.stringify(encryptedHexStr);
console.log("解密前："+encryptedBase64Str);
var decryptedData = CryptoJS.AES.decrypt(encryptedBase64Str, key, {
iv: key,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
var decryptedStr = decryptedData.toString(CryptoJS.enc.Utf8);
console.log("解密後:"+decryptedStr);
</script>
</body>
</html>
go代碼:
package main
import (
"bytes"
"crypto/aes"
"crypto/cipher"
"en_de/cryption"
"encoding/base64"
"fmt"
)
////////////////////////////////////////////////////////////////////////////////
func testAes111() {
// AES-128。key長度：16, 24, 32 bytes 對應 AES-128, AES-192, AES-256
key := []byte("7971267812365mn8")
result, err := AesEncrypt([]byte("hello world"), key)
if err != nil {
panic(err)
}
fmt.Println("加密後：",base64.StdEncoding.EncodeToString(result)) //zero UR5c4C1iW5mIdxrv5rxo4w==,pkcs jE7BUAKWpdJWb2ulcFWd/g== 和pthon,js相同
origData, err := AesDecrypt(result, key)
if err != nil {
panic(err)
}
fmt.Println("解密後：",string(origData))
}
func AesEncrypt(origData, key []byte) ([]byte, error) {
block, err := aes.NewCipher(key)
if err != nil {
return nil, err
}
blockSize := block.BlockSize()
origData = PKCS5Padding(origData, blockSize)
//origData = ZeroPadding(origData, block.BlockSize())
blockMode := cipher.NewCBCEncrypter(block, key[:blockSize]) //iv=key
crypted := make([]byte, len(origData))
// 根據CryptBlocks方法的說明，如下方式初始化crypted也可以
// crypted := origData
blockMode.CryptBlocks(crypted, origData)
return crypted, nil
}
func AesDecrypt(crypted, key []byte) ([]byte, error) {
block, err := aes.NewCipher(key)
if err != nil {
return nil, err
}
blockSize := block.BlockSize()
blockMode := cipher.NewCBCDecrypter(block, key[:blockSize])
origData := make([]byte, len(crypted))
// origData := crypted
blockMode.CryptBlocks(origData, crypted)
origData = PKCS5UnPadding(origData)
// origData = ZeroUnPadding(origData)
return origData, nil
}
func ZeroPadding(ciphertext []byte, blockSize int) []byte {
padding := blockSize - len(ciphertext)%blockSize
padtext := bytes.Repeat([]byte{0}, padding)
return append(ciphertext, padtext...)
}
func ZeroUnPadding(origData []byte) []byte {
length := len(origData)
unpadding := int(origData[length-1])
return origData[:(length - unpadding)]
}
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)
// 去掉最後一個字節 unpadding 次
unpadding := int(origData[length-1])
return origData[:(length - unpadding)]
}
////////////////////////////////////////////////////
func main() {
testAes111()
return
}