v0.1
This commit is contained in:
@@ -7,9 +7,9 @@ import (
|
||||
|
||||
"go.uber.org/zap"
|
||||
|
||||
"tyapi-server/internal/domains/certification/entities/value_objects"
|
||||
"tyapi-server/internal/domains/certification/enums"
|
||||
"tyapi-server/internal/domains/certification/repositories"
|
||||
"tyapi-server/internal/domains/certification/value_objects"
|
||||
"tyapi-server/internal/shared/esign"
|
||||
)
|
||||
|
||||
@@ -250,13 +250,19 @@ func (s *CertificationEsignService) HandleContractSignCallback(
|
||||
}
|
||||
|
||||
if success {
|
||||
// 合同签署成功，认证完成
|
||||
// 合同签署成功，更新合同URL
|
||||
if err := s.commandRepo.UpdateContractInfo(ctx, cert.ID, cert.ContractFileID, cert.EsignFlowID, signedFileURL, cert.ContractSignURL); err != nil {
|
||||
s.logger.Error("更新合同URL失败", zap.Error(err))
|
||||
return fmt.Errorf("更新合同URL失败: %w", err)
|
||||
}
|
||||
|
||||
// 更新状态到合同已签署
|
||||
if err := s.commandRepo.UpdateStatus(ctx, cert.ID, enums.StatusContractSigned); err != nil {
|
||||
s.logger.Error("更新认证状态失败", zap.Error(err))
|
||||
return fmt.Errorf("更新认证状态失败: %w", err)
|
||||
}
|
||||
|
||||
s.logger.Info("认证流程完成", zap.String("certification_id", cert.ID))
|
||||
s.logger.Info("合同签署成功", zap.String("certification_id", cert.ID))
|
||||
} else {
|
||||
// 合同签署失败
|
||||
if err := s.commandRepo.UpdateStatus(ctx, cert.ID, enums.StatusContractRejected); err != nil {
|
||||
|
||||
160
internal/infrastructure/external/westdex/crypto.go
vendored
Normal file
160
internal/infrastructure/external/westdex/crypto.go
vendored
Normal file
@@ -0,0 +1,160 @@
|
||||
package westdex
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"crypto/md5"
|
||||
"crypto/sha1"
|
||||
"encoding/base64"
|
||||
"encoding/hex"
|
||||
)
|
||||
|
||||
const (
|
||||
KEY_SIZE = 16 // AES-128, 16 bytes
|
||||
)
|
||||
|
||||
// Encrypt encrypts the given data using AES encryption in ECB mode with PKCS5 padding
|
||||
func Encrypt(data, secretKey string) (string, error) {
|
||||
key := generateAESKey(KEY_SIZE*8, []byte(secretKey))
|
||||
ciphertext, err := aesEncrypt([]byte(data), key)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return base64.StdEncoding.EncodeToString(ciphertext), nil
|
||||
}
|
||||
|
||||
// Decrypt decrypts the given base64-encoded string using AES encryption in ECB mode with PKCS5 padding
|
||||
func Decrypt(encodedData, secretKey string) ([]byte, error) {
|
||||
ciphertext, err := base64.StdEncoding.DecodeString(encodedData)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
key := generateAESKey(KEY_SIZE*8, []byte(secretKey))
|
||||
plaintext, err := aesDecrypt(ciphertext, key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return plaintext, nil
|
||||
}
|
||||
|
||||
// generateAESKey generates a key for AES encryption using a SHA-1 based PRNG
|
||||
func generateAESKey(length int, password []byte) []byte {
|
||||
h := sha1.New()
|
||||
h.Write(password)
|
||||
state := h.Sum(nil)
|
||||
|
||||
keyBytes := make([]byte, 0, length/8)
|
||||
for len(keyBytes) < length/8 {
|
||||
h := sha1.New()
|
||||
h.Write(state)
|
||||
state = h.Sum(nil)
|
||||
keyBytes = append(keyBytes, state...)
|
||||
}
|
||||
|
||||
return keyBytes[:length/8]
|
||||
}
|
||||
|
||||
// aesEncrypt encrypts plaintext using AES in ECB mode with PKCS5 padding
|
||||
func aesEncrypt(plaintext, key []byte) ([]byte, error) {
|
||||
block, err := aes.NewCipher(key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
paddedPlaintext := pkcs5Padding(plaintext, block.BlockSize())
|
||||
ciphertext := make([]byte, len(paddedPlaintext))
|
||||
mode := newECBEncrypter(block)
|
||||
mode.CryptBlocks(ciphertext, paddedPlaintext)
|
||||
return ciphertext, nil
|
||||
}
|
||||
|
||||
// aesDecrypt decrypts ciphertext using AES in ECB mode with PKCS5 padding
|
||||
func aesDecrypt(ciphertext, key []byte) ([]byte, error) {
|
||||
block, err := aes.NewCipher(key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
plaintext := make([]byte, len(ciphertext))
|
||||
mode := newECBDecrypter(block)
|
||||
mode.CryptBlocks(plaintext, ciphertext)
|
||||
return pkcs5Unpadding(plaintext), nil
|
||||
}
|
||||
|
||||
// pkcs5Padding pads the input to a multiple of the block size using PKCS5 padding
|
||||
func pkcs5Padding(src []byte, blockSize int) []byte {
|
||||
padding := blockSize - len(src)%blockSize
|
||||
padtext := bytes.Repeat([]byte{byte(padding)}, padding)
|
||||
return append(src, padtext...)
|
||||
}
|
||||
|
||||
// pkcs5Unpadding removes PKCS5 padding from the input
|
||||
func pkcs5Unpadding(src []byte) []byte {
|
||||
length := len(src)
|
||||
unpadding := int(src[length-1])
|
||||
return src[:(length - unpadding)]
|
||||
}
|
||||
|
||||
// ECB mode encryption/decryption
|
||||
type ecb struct {
|
||||
b cipher.Block
|
||||
blockSize int
|
||||
}
|
||||
|
||||
func newECB(b cipher.Block) *ecb {
|
||||
return &ecb{
|
||||
b: b,
|
||||
blockSize: b.BlockSize(),
|
||||
}
|
||||
}
|
||||
|
||||
type ecbEncrypter ecb
|
||||
|
||||
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 {
|
||||
panic("crypto/cipher: input not full blocks")
|
||||
}
|
||||
if len(dst) < len(src) {
|
||||
panic("crypto/cipher: 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
|
||||
|
||||
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 {
|
||||
panic("crypto/cipher: input not full blocks")
|
||||
}
|
||||
if len(dst) < len(src) {
|
||||
panic("crypto/cipher: output smaller than input")
|
||||
}
|
||||
for len(src) > 0 {
|
||||
x.b.Decrypt(dst, src[:x.blockSize])
|
||||
src = src[x.blockSize:]
|
||||
dst = dst[x.blockSize:]
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Md5Encrypt 用于对传入的message进行MD5加密
|
||||
func Md5Encrypt(message string) string {
|
||||
hash := md5.New()
|
||||
hash.Write([]byte(message)) // 将字符串转换为字节切片并写入
|
||||
return hex.EncodeToString(hash.Sum(nil)) // 将哈希值转换为16进制字符串并返回
|
||||
}
|
||||
206
internal/infrastructure/external/westdex/westdex_service.go
vendored
Normal file
206
internal/infrastructure/external/westdex/westdex_service.go
vendored
Normal file
@@ -0,0 +1,206 @@
|
||||
package westdex
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/http"
|
||||
"strconv"
|
||||
"time"
|
||||
"tyapi-server/internal/shared/crypto"
|
||||
)
|
||||
|
||||
var (
|
||||
ErrDatasource = errors.New("数据源异常")
|
||||
ErrSystem = errors.New("系统异常")
|
||||
)
|
||||
|
||||
type WestResp struct {
|
||||
Message string `json:"message"`
|
||||
Code string `json:"code"`
|
||||
Data string `json:"data"`
|
||||
ID string `json:"id"`
|
||||
ErrorCode *int `json:"error_code"`
|
||||
Reason string `json:"reason"`
|
||||
}
|
||||
type G05HZ01WestResp struct {
|
||||
Message string `json:"message"`
|
||||
Code string `json:"code"`
|
||||
Data json.RawMessage `json:"data"`
|
||||
ID string `json:"id"`
|
||||
ErrorCode *int `json:"error_code"`
|
||||
Reason string `json:"reason"`
|
||||
}
|
||||
|
||||
type WestConfig struct {
|
||||
Url string
|
||||
Key string
|
||||
SecretId string
|
||||
SecretSecondId string
|
||||
}
|
||||
|
||||
type WestDexService struct {
|
||||
config WestConfig
|
||||
}
|
||||
|
||||
// NewWestDexService 是一个构造函数，用于初始化 WestDexService
|
||||
func NewWestDexService(url, key, secretId, secretSecondId string) *WestDexService {
|
||||
return &WestDexService{
|
||||
config: WestConfig{
|
||||
Url: url,
|
||||
Key: key,
|
||||
SecretId: secretId,
|
||||
SecretSecondId: secretSecondId,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
// CallAPI 调用西部数据的 API
|
||||
func (w *WestDexService) CallAPI(code string, reqData map[string]interface{}) (resp []byte, err error) {
|
||||
// 生成当前的13位时间戳
|
||||
timestamp := strconv.FormatInt(time.Now().UnixNano()/int64(time.Millisecond), 10)
|
||||
|
||||
// 构造请求URL
|
||||
reqUrl := fmt.Sprintf("%s/%s/%s?timestamp=%s", w.config.Url, w.config.SecretId, code, timestamp)
|
||||
|
||||
jsonData, marshalErr := json.Marshal(reqData)
|
||||
if marshalErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, marshalErr.Error())
|
||||
}
|
||||
|
||||
// 创建HTTP POST请求
|
||||
req, newRequestErr := http.NewRequest("POST", reqUrl, bytes.NewBuffer(jsonData))
|
||||
if newRequestErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, newRequestErr.Error())
|
||||
}
|
||||
|
||||
// 设置请求头
|
||||
req.Header.Set("Content-Type", "application/json")
|
||||
|
||||
// 发送请求
|
||||
client := &http.Client{}
|
||||
httpResp, clientDoErr := client.Do(req)
|
||||
if clientDoErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, clientDoErr.Error())
|
||||
}
|
||||
defer func(Body io.ReadCloser) {
|
||||
closeErr := Body.Close()
|
||||
if closeErr != nil {
|
||||
}
|
||||
}(httpResp.Body)
|
||||
|
||||
// 检查请求是否成功
|
||||
if httpResp.StatusCode == 200 {
|
||||
// 读取响应体
|
||||
bodyBytes, ReadErr := io.ReadAll(httpResp.Body)
|
||||
if ReadErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, ReadErr.Error())
|
||||
}
|
||||
|
||||
// 手动调用 json.Unmarshal 触发自定义的 UnmarshalJSON 方法
|
||||
var westDexResp WestResp
|
||||
UnmarshalErr := json.Unmarshal(bodyBytes, &westDexResp)
|
||||
if UnmarshalErr != nil {
|
||||
return nil, UnmarshalErr
|
||||
}
|
||||
if westDexResp.Code != "00000" && westDexResp.Code != "200" && westDexResp.Code != "0" {
|
||||
if westDexResp.Data == "" {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, westDexResp.Message)
|
||||
}
|
||||
decryptedData, DecryptErr := crypto.WestDexDecrypt(westDexResp.Data, w.config.Key)
|
||||
if DecryptErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, DecryptErr.Error())
|
||||
}
|
||||
return decryptedData, fmt.Errorf("%w: %s", ErrDatasource, westDexResp.Message)
|
||||
}
|
||||
if westDexResp.Data == "" {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, westDexResp.Message)
|
||||
}
|
||||
decryptedData, DecryptErr := crypto.WestDexDecrypt(westDexResp.Data, w.config.Key)
|
||||
if DecryptErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, DecryptErr.Error())
|
||||
}
|
||||
|
||||
return decryptedData, nil
|
||||
}
|
||||
|
||||
return nil, fmt.Errorf("%w: 西部请求失败Code: %d", ErrSystem, httpResp.StatusCode)
|
||||
}
|
||||
|
||||
// G05HZ01CallAPI 调用西部数据的 G05HZ01 API
|
||||
func (w *WestDexService) G05HZ01CallAPI(code string, reqData map[string]interface{}) (resp []byte, err error) {
|
||||
// 生成当前的13位时间戳
|
||||
timestamp := strconv.FormatInt(time.Now().UnixNano()/int64(time.Millisecond), 10)
|
||||
|
||||
// 构造请求URL
|
||||
reqUrl := fmt.Sprintf("%s/%s/%s?timestamp=%s", w.config.Url, w.config.SecretSecondId, code, timestamp)
|
||||
|
||||
jsonData, marshalErr := json.Marshal(reqData)
|
||||
if marshalErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, marshalErr.Error())
|
||||
}
|
||||
|
||||
// 创建HTTP POST请求
|
||||
req, newRequestErr := http.NewRequest("POST", reqUrl, bytes.NewBuffer(jsonData))
|
||||
if newRequestErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, newRequestErr.Error())
|
||||
}
|
||||
|
||||
// 设置请求头
|
||||
req.Header.Set("Content-Type", "application/json")
|
||||
|
||||
// 发送请求
|
||||
client := &http.Client{}
|
||||
httpResp, clientDoErr := client.Do(req)
|
||||
if clientDoErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, clientDoErr.Error())
|
||||
}
|
||||
defer func(Body io.ReadCloser) {
|
||||
closeErr := Body.Close()
|
||||
if closeErr != nil {
|
||||
// 忽略
|
||||
}
|
||||
}(httpResp.Body)
|
||||
|
||||
if httpResp.StatusCode == 200 {
|
||||
bodyBytes, ReadErr := io.ReadAll(httpResp.Body)
|
||||
if ReadErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, ReadErr.Error())
|
||||
}
|
||||
var westDexResp G05HZ01WestResp
|
||||
UnmarshalErr := json.Unmarshal(bodyBytes, &westDexResp)
|
||||
if UnmarshalErr != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, UnmarshalErr.Error())
|
||||
}
|
||||
if westDexResp.Code != "0000" {
|
||||
if westDexResp.Data == nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, westDexResp.Message)
|
||||
} else {
|
||||
return westDexResp.Data, fmt.Errorf("%w: %s", ErrSystem, string(westDexResp.Data))
|
||||
}
|
||||
}
|
||||
if westDexResp.Data == nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, westDexResp.Message)
|
||||
}
|
||||
return westDexResp.Data, nil
|
||||
} else {
|
||||
return nil, fmt.Errorf("%w: 西部请求失败Code: %d", ErrSystem, httpResp.StatusCode)
|
||||
}
|
||||
}
|
||||
|
||||
func (w *WestDexService) Encrypt(data string) (string, error) {
|
||||
encryptedValue, err := crypto.WestDexEncrypt(data, w.config.Key)
|
||||
if err != nil {
|
||||
return "", ErrSystem
|
||||
}
|
||||
return encryptedValue, nil
|
||||
}
|
||||
func (w *WestDexService) Md5Encrypt(data string) string {
|
||||
return Md5Encrypt(data)
|
||||
}
|
||||
|
||||
func (w *WestDexService) GetConfig() WestConfig {
|
||||
return w.config
|
||||
}
|
||||
205
internal/infrastructure/external/yushan/yushan_service.go
vendored
Normal file
205
internal/infrastructure/external/yushan/yushan_service.go
vendored
Normal file
@@ -0,0 +1,205 @@
|
||||
package yushan
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"crypto/rand"
|
||||
"encoding/base64"
|
||||
"encoding/hex"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/http"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/tidwall/gjson"
|
||||
)
|
||||
|
||||
var (
|
||||
ErrDatasource = errors.New("数据源异常")
|
||||
ErrNotFound = errors.New("查询为空")
|
||||
ErrSystem = errors.New("系统异常")
|
||||
)
|
||||
|
||||
type YushanConfig struct {
|
||||
URL string
|
||||
ApiKey string
|
||||
AcctID string
|
||||
}
|
||||
|
||||
type YushanService struct {
|
||||
config YushanConfig
|
||||
}
|
||||
|
||||
// NewWestDexService 是一个构造函数，用于初始化 WestDexService
|
||||
func NewYushanService(url, apiKey, acctID string) *YushanService {
|
||||
return &YushanService{
|
||||
config: YushanConfig{
|
||||
URL: url,
|
||||
ApiKey: apiKey,
|
||||
AcctID: acctID,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
// CallAPI 调用西部数据的 API
|
||||
func (y *YushanService) CallAPI(code string, params map[string]interface{}) (respBytes []byte, err error) {
|
||||
// 获取当前时间戳
|
||||
unixMilliseconds := time.Now().UnixNano() / int64(time.Millisecond)
|
||||
|
||||
// 生成请求序列号
|
||||
requestSN, _ := y.GenerateRandomString()
|
||||
|
||||
// 构建请求数据
|
||||
reqData := map[string]interface{}{
|
||||
"prod_id": code,
|
||||
"req_time": unixMilliseconds,
|
||||
"request_sn": requestSN,
|
||||
"req_data": params,
|
||||
}
|
||||
|
||||
// 将请求数据转换为 JSON 字节数组
|
||||
messageBytes, err := json.Marshal(reqData)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, err.Error())
|
||||
}
|
||||
|
||||
// 获取 API 密钥
|
||||
key, err := hex.DecodeString(y.config.ApiKey)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, err.Error())
|
||||
}
|
||||
|
||||
// 使用 AES CBC 加密请求数据
|
||||
cipherText := y.AES_CBC_Encrypt(messageBytes, key)
|
||||
|
||||
// 将加密后的数据编码为 Base64 字符串
|
||||
content := base64.StdEncoding.EncodeToString(cipherText)
|
||||
|
||||
// 发起 HTTP 请求
|
||||
client := &http.Client{}
|
||||
req, err := http.NewRequest("POST", y.config.URL, strings.NewReader(content))
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, err.Error())
|
||||
}
|
||||
req.Header.Set("Content-Type", "application/json")
|
||||
req.Header.Set("ACCT_ID", y.config.AcctID)
|
||||
|
||||
// 执行请求
|
||||
resp, err := client.Do(req)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, err.Error())
|
||||
}
|
||||
defer resp.Body.Close()
|
||||
|
||||
// 读取响应体
|
||||
body, err := io.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
var respData []byte
|
||||
|
||||
if IsJSON(string(body)) {
|
||||
respData = body
|
||||
} else {
|
||||
sDec, err := base64.StdEncoding.DecodeString(string(body))
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrSystem, err.Error())
|
||||
}
|
||||
respData = y.AES_CBC_Decrypt(sDec, key)
|
||||
}
|
||||
retCode := gjson.GetBytes(respData, "retcode").String()
|
||||
|
||||
if retCode == "100000" {
|
||||
// retcode 为 100000，表示查询为空
|
||||
return nil, ErrNotFound
|
||||
} else if retCode == "000000" {
|
||||
// retcode 为 000000，表示有数据，返回 retdata
|
||||
retData := gjson.GetBytes(respData, "retdata")
|
||||
if !retData.Exists() {
|
||||
return nil, fmt.Errorf("%w: %s", ErrDatasource, "羽山请求retdata为空")
|
||||
}
|
||||
return []byte(retData.Raw), nil
|
||||
} else {
|
||||
return nil, fmt.Errorf("%w: %s", ErrDatasource, "羽山请求未知的状态码")
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// GenerateRandomString 生成一个32位的随机字符串订单号
|
||||
func (y *YushanService) GenerateRandomString() (string, error) {
|
||||
// 创建一个16字节的数组
|
||||
bytes := make([]byte, 16)
|
||||
// 读取随机字节到数组中
|
||||
if _, err := rand.Read(bytes); err != nil {
|
||||
return "", err
|
||||
}
|
||||
// 将字节数组编码为16进制字符串
|
||||
return hex.EncodeToString(bytes), nil
|
||||
}
|
||||
|
||||
// AEC加密（CBC模式）
|
||||
func (y *YushanService) AES_CBC_Encrypt(plainText []byte, key []byte) []byte {
|
||||
//指定加密算法，返回一个AES算法的Block接口对象
|
||||
block, err := aes.NewCipher(key)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
//进行填充
|
||||
plainText = Padding(plainText, block.BlockSize())
|
||||
//指定初始向量vi,长度和block的块尺寸一致
|
||||
iv := []byte("0000000000000000")
|
||||
//指定分组模式，返回一个BlockMode接口对象
|
||||
blockMode := cipher.NewCBCEncrypter(block, iv)
|
||||
//加密连续数据库
|
||||
cipherText := make([]byte, len(plainText))
|
||||
blockMode.CryptBlocks(cipherText, plainText)
|
||||
//返回base64密文
|
||||
return cipherText
|
||||
}
|
||||
|
||||
// AEC解密（CBC模式）
|
||||
func (y *YushanService) AES_CBC_Decrypt(cipherText []byte, key []byte) []byte {
|
||||
//指定解密算法，返回一个AES算法的Block接口对象
|
||||
block, err := aes.NewCipher(key)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
//指定初始化向量IV,和加密的一致
|
||||
iv := []byte("0000000000000000")
|
||||
//指定分组模式，返回一个BlockMode接口对象
|
||||
blockMode := cipher.NewCBCDecrypter(block, iv)
|
||||
//解密
|
||||
plainText := make([]byte, len(cipherText))
|
||||
blockMode.CryptBlocks(plainText, cipherText)
|
||||
//删除填充
|
||||
plainText = UnPadding(plainText)
|
||||
return plainText
|
||||
} // 对明文进行填充
|
||||
func Padding(plainText []byte, blockSize int) []byte {
|
||||
//计算要填充的长度
|
||||
n := blockSize - len(plainText)%blockSize
|
||||
//对原来的明文填充n个n
|
||||
temp := bytes.Repeat([]byte{byte(n)}, n)
|
||||
plainText = append(plainText, temp...)
|
||||
return plainText
|
||||
}
|
||||
|
||||
// 对密文删除填充
|
||||
func UnPadding(cipherText []byte) []byte {
|
||||
//取出密文最后一个字节end
|
||||
end := cipherText[len(cipherText)-1]
|
||||
//删除填充
|
||||
cipherText = cipherText[:len(cipherText)-int(end)]
|
||||
return cipherText
|
||||
}
|
||||
|
||||
// 判断字符串是否为 JSON 格式
|
||||
func IsJSON(s string) bool {
|
||||
var js interface{}
|
||||
return json.Unmarshal([]byte(s), &js) == nil
|
||||
}
|
||||
Reference in New Issue
Block a user