Package org.bouncycastle.pqc.crypto.xmss

Class XMSSSigner

java.lang.Object
org.bouncycastle.pqc.crypto.xmss.XMSSSigner
All Implemented Interfaces:
MessageSigner, StateAwareMessageSigner
public class XMSSSigner extends Object implements StateAwareMessageSigner

  • Constructor Details

    • XMSSSigner

      public XMSSSigner()

  • 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)
      Description copied from interface: MessageSigner
      sign the passed in message (usually the output of a hash function).
      Specified by:
      generateSignature in interface MessageSigner
      Parameters:
      message - the message to be signed.
      Returns:
      the signature of the message

    • getUsagesRemaining

      public long getUsagesRemaining()

    • verifySignature

      public boolean verifySignature(byte[] message, byte[] signature)
      Description copied from interface: MessageSigner
      verify the message message against the signature value.
      Specified by:
      verifySignature in interface MessageSigner
      Parameters:
      message - the message that was supposed to have been signed.
      signature - the signature of the message

    • getUpdatedPrivateKey

      public AsymmetricKeyParameter getUpdatedPrivateKey()
      Description copied from interface: StateAwareMessageSigner
      Return the current version of the private key with the updated state.

      Note: calling this method will effectively disable the Signer from being used for further signature generation without another call to init().

      Specified by:
      getUpdatedPrivateKey in interface StateAwareMessageSigner
      Returns:
      an updated private key object, which can be used for later signature generation.