Package org.bouncycastle.pqc.legacy.crypto.gmss

Class GMSSSigner

java.lang.Object
org.bouncycastle.pqc.legacy.crypto.gmss.GMSSSigner
All Implemented Interfaces:
MessageSigner
public class GMSSSigner extends Object implements MessageSigner
This class implements the GMSS signature scheme.

  • Constructor Summary

    Constructors
    Constructor
    Description
    GMSSSigner(GMSSDigestProvider digest)
    The standard constructor tries to generate the MerkleTree Algorithm identifier with the corresponding OID.

  • Method Summary

    Modifier and Type
    Method
    Description
    byte[]
    generateSignature(byte[] message)
    Signs a message.
    void
    init(boolean forSigning, CipherParameters param)
    initialise the signer for signature generation or signature verification.
    boolean
    verifySignature(byte[] message, byte[] signature)
    This function verifies the signature of the message that has been updated, with the aid of the public key.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • GMSSSigner

      public GMSSSigner(GMSSDigestProvider digest)
      The standard constructor tries to generate the MerkleTree Algorithm identifier with the corresponding OID.
      Parameters:
      digest - the digest to use

  • Method Details

    • init

      public void init(boolean forSigning, CipherParameters param)
      Description copied from interface: MessageSigner
      initialise the signer for signature generation or signature verification.
      Specified by:
      init in interface MessageSigner
      Parameters:
      forSigning - true if we are generating a signature, false otherwise.
      param - key parameters for signature generation.

    • generateSignature

      public byte[] generateSignature(byte[] message)
      Signs a message.
      Specified by:
      generateSignature in interface MessageSigner
      Parameters:
      message - the message to be signed.
      Returns:
      the signature.

    • verifySignature

      public boolean verifySignature(byte[] message, byte[] signature)
      This function verifies the signature of the message that has been updated, with the aid of the public key.
      Specified by:
      verifySignature in interface MessageSigner
      Parameters:
      message - the message
      signature - the signature associated with the message
      Returns:
      true if the signature has been verified, false otherwise.