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      1 package org.bouncycastle.operator;
      2 
      3 import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
      4 
      5 public interface DigestAlgorithmIdentifierFinder
      6 {
      7     /**
      8      * Find the digest algorithm identifier that matches with
      9      * the passed in signature algorithm identifier.
     10      *
     11      * @param sigAlgId the signature algorithm of interest.
     12      * @return an algorithm identifier for the corresponding digest.
     13      */
     14     AlgorithmIdentifier find(AlgorithmIdentifier sigAlgId);
     15 
     16     /**
     17      * Find the algorithm identifier that matches with
     18      * the passed in digest name.
     19      *
     20      * @param digAlgName the name of the digest algorithm of interest.
     21      * @return an algorithm identifier for the digest signature.
     22      */
     23     AlgorithmIdentifier find(String digAlgName);
     24 }