http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.operator;

import org.bouncycastle.asn1.x509.AlgorithmIdentifier;

public interface SignatureAlgorithmIdentifierFinder
{
    
Find the signature algorithm identifier that matches with
the passed in signature algorithm name.

Params:
  • sigAlgName – the name of the signature algorithm of interest.
Returns:an algorithm identifier for the corresponding signature.
/**
     * Find the signature algorithm identifier that matches with
     * the passed in signature algorithm name.
     *
     * @param sigAlgName the name of the signature algorithm of interest.
     * @return an algorithm identifier for the corresponding signature.
     */
    AlgorithmIdentifier find(String sigAlgName);
}