org.bouncycastle.pqc.jcajce.interfaces.XMSSPrivateKey Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcprov-debug-jdk15to18 Show documentation

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.

There is a newer version: 1.79

Show newest version

package org.bouncycastle.pqc.jcajce.interfaces;

import java.security.PrivateKey;

/**
 * Base interface for an XMSS private key
 */
public interface XMSSPrivateKey
    extends XMSSKey, PrivateKey
{
    /**
     * Return the number of usages left for the private key.
     *
     * @return the number of times the key can be used before it is exhausted.
     */
    long getUsagesRemaining();

    /**
     * Return a key representing a shard of the key space that can be used usageCount times.
     * 
     * Note: this will use the range [index...index + usageCount) for the current key.
     * 
     * @param usageCount the number of usages the key should have.
     * @return a key based on the current key that can be used usageCount times.
     */
    XMSSPrivateKey extractKeyShard(int usageCount);
}