src/java.base/share/classes/sun/security/ssl/SignatureScheme.java

*** 41,51 ****
  import java.util.Set;
  import sun.security.ssl.SupportedGroupsExtension.NamedGroup;
  import sun.security.ssl.SupportedGroupsExtension.NamedGroupType;
  import sun.security.ssl.X509Authentication.X509Possession;
  import sun.security.util.KeyUtil;
- import sun.security.util.SignatureUtil;
  
  enum SignatureScheme {
      // EdDSA algorithms
      ED25519                 (0x0807, "ed25519", "ed25519",
                                      "ed25519",
--- 41,50 ----
*** 470,484 ****
              return null;
          }
  
          Signature signer = Signature.getInstance(algorithm);
          if (key instanceof PublicKey) {
!             SignatureUtil.initVerifyWithParam(signer, (PublicKey)key,
!                     signAlgParameter);
          } else {
!             SignatureUtil.initSignWithParam(signer, (PrivateKey)key,
!                     signAlgParameter, null);
          }
  
          return signer;
      }
  }
--- 469,488 ----
              return null;
          }
  
          Signature signer = Signature.getInstance(algorithm);
          if (key instanceof PublicKey) {
!             signer.initVerify((PublicKey)(key));
          } else {
!             signer.initSign((PrivateKey)key);
!         }
! 
!         // Important note:  Please don't set the parameters before signature
!         // or verification initialization, so that the crypto provider can
!         // be selected properly.
!         if (signAlgParameter != null) {
!             signer.setParameter(signAlgParameter);
          }
  
          return signer;
      }
  }