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The Bouncy Castle Java APIs for the OpenPGP Protocol. The APIs are designed primarily to be used in conjunction with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.gpg.keybox;

/**
 * Base interface for a blob integrity checking operator.
 */
public interface BlobVerifier
{
    /**
     * Return true if the passed in blobData calculates to the expected digest.
     *
     * @param blobData bytes making up the blob.
     * @param blobDigest the expected digest.
     * @return true on a match, false otherwise.
     */
    boolean isMatched(byte[] blobData, byte[] blobDigest);
}