f

internal/infrastructure/external/zhicha/crypto.go

@@ -4,9 +4,11 @@ import (
 	"bytes"
 	"crypto/aes"
 	"crypto/cipher"
+	"crypto/md5"
 	"encoding/base64"
 	"encoding/hex"
 	"fmt"
+	"io"
 )
 
 const (
@@ -119,3 +121,10 @@ func pkcs7Unpadding(src []byte) ([]byte, error) {
 
 	return src[:length-unpadding], nil
 }
+
+// MD5 使用MD5加密数据，返回十六进制字符串
+func MD5(data string) string {
+	h := md5.New()
+	io.WriteString(h, data)
+	return hex.EncodeToString(h.Sum(nil))
+}

internal/infrastructure/external/zhicha/zhicha_service.go

@@ -315,6 +315,12 @@ func (z *ZhichaService) Decrypt(encryptedData string) (string, error) {
 	return string(unpadded), nil
 }
 
+// MD5 对字符串进行MD5加密并返回32位小写十六进制字符串
+func (z *ZhichaService) MD5(data string) string {
+	hash := md5.Sum([]byte(data))
+	return hex.EncodeToString(hash[:])
+}
+
 // pkcs7Padding 使用PKCS7填充数据
 func (z *ZhichaService) pkcs7Padding(src []byte, blockSize int) []byte {
 	padding := blockSize - len(src)%blockSize