Package org.bouncycastle.pqc.crypto.xmss

Class XMSS

  • public class XMSS
extends java.lang.Object
    XMSS.

    • Constructor Detail

      • XMSS

        public XMSS​(XMSSParameters params,
            java.security.SecureRandom prng)
        XMSS constructor...
        Parameters:
        params - XMSSParameters.

    • Method Detail

      • generateKeys

        public void generateKeys()
        Generate a new XMSS private key / public key pair.

      • importState

        public void importState​(byte[] privateKey,
                        byte[] publicKey)
        Import XMSS private key / public key pair.
        Parameters:
        privateKey - XMSS private key.
        publicKey - XMSS public key.

      • sign

        public byte[] sign​(byte[] message)
        Sign message.
        Parameters:
        message - Message to sign.
        Returns:
        XMSS signature on digest of message.

      • verifySignature

        public boolean verifySignature​(byte[] message,
                               byte[] signature,
                               byte[] publicKey)
                        throws java.text.ParseException
        Verify an XMSS signature.
        Parameters:
        message - Message.
        signature - XMSS signature.
        publicKey - XMSS public key.
        Returns:
        true if signature is valid false else.
        Throws:
        java.text.ParseException

      • exportPrivateKey

        public XMSSPrivateKeyParameters exportPrivateKey()
        Export XMSS private key.
        Returns:
        XMSS private key.

      • exportPublicKey

        public XMSSPublicKeyParameters exportPublicKey()
        Export XMSS public key.
        Returns:
        XMSS public key.

      • wotsSign

        protected org.bouncycastle.pqc.crypto.xmss.WOTSPlusSignature wotsSign​(byte[] messageDigest,
                                                                      org.bouncycastle.pqc.crypto.xmss.OTSHashAddress otsHashAddress)
        Generate a WOTS+ signature on a message without the corresponding authentication path
        Parameters:
        messageDigest - Message digest of length n.
        otsHashAddress - OTS hash address.
        Returns:
        XMSS signature.

      • getParams

        public XMSSParameters getParams()
        Getter XMSS params.
        Returns:
        XMSS params.

      • getWOTSPlus

        protected org.bouncycastle.pqc.crypto.xmss.WOTSPlus getWOTSPlus()
        Getter WOTS+.
        Returns:
        WOTS+ instance.

      • getRoot

        public byte[] getRoot()
        Getter XMSS root.
        Returns:
        Root of binary tree.

      • setRoot

        protected void setRoot​(byte[] root)

      • getIndex

        public int getIndex()
        Getter XMSS index.
        Returns:
        Index.

      • setIndex

        protected void setIndex​(int index)

      • getPublicSeed

        public byte[] getPublicSeed()
        Getter XMSS public seed.
        Returns:
        Public seed.

      • setPublicSeed

        protected void setPublicSeed​(byte[] publicSeed)