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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 LTS provider but may also be used with other providers providing cryptographic services.

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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);
}