golang实现百度智能小程序用户数据的解密 golang实现百度智能小程序用户数据的解密百度智能小程序官方文档博主在网上gitee github找了很多 几乎没有看到适配golang的方法，以下方法可行类库/* * @author anderyly * @email admin@aaayun.cc * @link http://blog.aaayun.cc * @copyright Copyright (c) 2023 * */ package baidu import ( "crypto/aes" "crypto/cipher" "encoding/base64" "encoding/json" "errors" "fmt" "regexp" ) var _ AppletDataCrypt = (*appletDataCrypt)(nil) type AppletDataCrypt interface { Decrypt(data string, iv string, isJSON bool) (interface{}, error) // 解密 } type appletDataCrypt struct { AppID string SessionKey string } var errorCode = map[string]int{ "IllegalAppID": -41000, "IllegalAesKey": -41001, "IllegalIV": -41002, "IllegalBuffer": -41003, "DecodeBase64Error": -41004, "DecodeJsonError": -41005, } type showError struct { errorCode int errorMsg error } func NewAppletDataCrypt(appid, sessionKey string) AppletDataCrypt { return &appletDataCrypt{ AppID: appid, SessionKey: sessionKey, } } func (e showError) Error() string { return fmt.Sprintf("{code: %v, error: \"%v\"}", e.errorCode, e.errorMsg) } func (con *appletDataCrypt) Decrypt(data string, iv string, isJSON bool) (interface{}, error) { aesKey, err := base64.StdEncoding.DecodeString(con.SessionKey) if err != nil { return nil, showError{errorCode["DecodeBase64Error"], err} } if len(iv) != 24 { return nil, showError{errorCode["IllegalIV"], errors.New("iv length is error")} } aesIV, err := base64.StdEncoding.DecodeString(iv) if err != nil { return nil, showError{errorCode["DecodeBase64Error"], err} } aesCipherText, err := base64.StdEncoding.DecodeString(data) if err != nil { return nil, showError{errorCode["DecodeBase64Error"], err} } aesPlantText := make([]byte, len(aesCipherText)) aesBlock, err := aes.NewCipher(aesKey) if err != nil { return nil, showError{errorCode["IllegalBuffer"], err} } mode := cipher.NewCBCDecrypter(aesBlock, aesIV) mode.CryptBlocks(aesPlantText, aesCipherText) aesPlantText = con.PKCS7UnPadding(aesPlantText) var decrypted map[string]interface{} re := regexp.MustCompile(`[^\{]*(\{.*\})[^\}]*`) aesPlantText = []byte(re.ReplaceAllString(string(aesPlantText), "$1")) err = json.Unmarshal(aesPlantText, &decrypted) if err != nil { return nil, showError{errorCode["DecodeJsonError"], err} } if isJSON == true { return string(aesPlantText), nil } return decrypted, nil } func (con *appletDataCrypt) PKCS7UnPadding(plantText []byte) []byte { length := len(plantText) if length > 0 { unPadding := int(plantText[length-1]) return plantText[:(length - unPadding)] } return plantText } 调用方法// res为json需要自行json.Unmarshal这里不做演示 res, err := baidu.NewAppletDataCryp("appid", "sessionKey").Decrypt("加密的数据", "偏移量", true)