org.bouncycastle.crypto.Committer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcprov-ext-jdk15on 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. Note: this package includes the NTRU encryption algorithms.

There is a newer version: 1.70

Show newest version

package org.bouncycastle.crypto;

/**
 * General interface fdr classes that produce and validate commitments.
 */
public interface Committer
{
    /**
     * Generate a commitment for the passed in message.
     *
     * @param message the message to be committed to,
     * @return a Commitment
     */
    Commitment commit(byte[] message);

    /**
     * Return true if the passed in commitment represents a commitment to the passed in maessage.
     *
     * @param commitment a commitment previously generated.
     * @param message the message that was expected to have been committed to.
     * @return true if commitment matches message, false otherwise.
     */
    boolean isRevealed(Commitment commitment, byte[] message);
}