由gopath形式改为module

boss/utils/AES_ECB.go

@@ -0,0 +1,131 @@
+/***************************************************
+ ** @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/beego/beego/v2/core/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:]
+	}
+}