src/main/java/org/bouncycastle/crypto/SignerWithRecovery.java

package org.bouncycastle.crypto;

/**
 * Signer with message recovery.
 */
public interface SignerWithRecovery 
    extends Signer
{
    /**
     * Returns true if the signer has recovered the full message as
     * part of signature verification.
     * 
     * @return true if full message recovered.
     */
    public boolean hasFullMessage();
    
    /**
     * Returns a reference to what message was recovered (if any).
     * 
     * @return full/partial message, null if nothing.
     */
    public byte[] getRecoveredMessage();
}