去掉变量

model/http_body.go

 package model
 
 import (
+	"crypto"
 	"crypto/rand"
 	"encoding/base64"
 	"encoding/hex"
@@ -61,6 +62,7 @@ func EncryptAndSign[T any](resp HttpBodyResp[T]) (CryptHttpBodyResp, error) {
 		log.Println(err.Error())
 		return cresp, err
 	}
+
 	ciphertext, err := sm2.Encrypt(publicKey, body, rand.Reader, sm2.C1C2C3)
 	if err != nil {
 		log.Println(err)
@@ -69,23 +71,14 @@ func EncryptAndSign[T any](resp HttpBodyResp[T]) (CryptHttpBodyResp, error) {
 	cresp.Response.Head = resp.Head
 	cresp.Response.Response = base64.RawStdEncoding.EncodeToString(ciphertext)
 
-	jsonResp, err := json.Marshal(resp)
-	if err != nil {
-		log.Println(err)
-		return cresp, err
-	}
-	uid := []byte("tk")
-	r, s, err := sm2.Sm2Sign(privateKeyBytes, jsonResp, uid, rand.Reader)
-	if err != nil {
-		log.Println(err)
-		return cresp, err
-	}
-	signature, err := sm2.SignDigitToSignData(r, s)
+	jsonResp, err := json.Marshal(cresp.Response)
 	if err != nil {
 		log.Println(err)
 		return cresp, err
 	}
 
+	signature, err := privateKeyBytes.Sign(rand.Reader, jsonResp, crypto.BLAKE2b_256)
+
 	cresp.Signature = base64.RawStdEncoding.EncodeToString(signature)
 	return cresp, err
 }
@@ -106,13 +99,13 @@ func VerifyAndDecrypt[T any](creq CryptHttpBodyReq) (HttpBodyReq[T], error) {
 		log.Println(err)
 		return req, err
 	}
-	r, s, err := sm2.SignDataToSignDigit(signature)
+
+	jsonReq, err := json.Marshal(creq.Request)
 	if err != nil {
 		log.Println(err)
 		return req, err
 	}
-	uid := []byte("tk")
-	if sm2.Sm2Verify(publicKey, signature, uid, r, s) {
+	if publicKey.Verify(jsonReq, signature) {
 		body, err := base64.RawStdEncoding.DecodeString(creq.Request.Request)
 		if err != nil {
 			log.Println(err)