core/src/main/java/org/spongycastle/crypto/DigestDerivationFunction.java


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package org.spongycastle.crypto;

/**
 * base interface for general purpose Digest based byte derivation functions.
 */
public interface DigestDerivationFunction
    extends DerivationFunction
{
    /**
     * return the message digest used as the basis for the function
     */
    public Digest getDigest();
}