修改逻辑

common/src/main/java/work/xuye/common/utils/signature/RSASignatureService.java

@@ -8,7 +8,6 @@ import work.xuye.common.enums.SignatureEnumGroup;
 import java.nio.charset.StandardCharsets;
 import java.security.GeneralSecurityException;
 import java.security.KeyFactory;
-import java.security.PrivateKey;
 import java.security.Signature;
 import java.security.spec.PKCS8EncodedKeySpec;
 import java.security.spec.X509EncodedKeySpec;
@@ -35,11 +34,12 @@ class RSASignatureService extends AbstractSignatureService {
     @Override
     public String signatureByPriKey(String content) throws GeneralSecurityException {
         if (signatureContext == null) {
-            throw new RuntimeException("未初始化公私钥信息");
+            throw new RuntimeException("未初始化公私钥对信息");
+        }
+        if (signatureContext.getSignature() == null) {
+            throw new RuntimeException("未初始化私钥信息");
         }
         Signature signature = signatureContext.getSignature();
-        PrivateKey priKey = signatureContext.getPriKey();
-        signature.initSign(priKey);
         content = DigestUtils.md5DigestAsHex(content.getBytes(StandardCharsets.UTF_8)).toUpperCase();
         signature.update(content.getBytes(StandardCharsets.UTF_8));
         return Base64.encodeBase64String(signature.sign());
@@ -58,10 +58,12 @@ class RSASignatureService extends AbstractSignatureService {
 
         if (SignatureEnumGroup.KeyType.privateKey.equals(keyType)) {
             signatureContext.setPriKey(keyFactory.generatePrivate(new PKCS8EncodedKeySpec(encodedKey)));
+            signatureContext.getSignature().initSign(signatureContext.getPriKey());
         } else if (SignatureEnumGroup.KeyType.publicKey.equals(keyType)) {
             signatureContext.setPubKey(keyFactory.generatePublic(new X509EncodedKeySpec(encodedKey)));
         }
 
+
     }