http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
package org.bouncycastle.crypto.tls;

import org.bouncycastle.asn1.x509.X509CertificateStructure;


This should be implemented by any class which can find out, if a given certificate
chain is being accepted by an client.

Deprecated:Perform certificate verification in TlsAuthentication implementation
/**
 * This should be implemented by any class which can find out, if a given certificate
 * chain is being accepted by an client.
 * 
 * @deprecated Perform certificate verification in TlsAuthentication implementation
 */
public interface CertificateVerifyer
{
    
Params:
  • certs – The certs, which are part of the chain.
Returns:True, if the chain is accepted, false otherwise.
/**
     * @param certs The certs, which are part of the chain.
     * @return True, if the chain is accepted, false otherwise.
     */
    public boolean isValid(X509CertificateStructure[] certs);
}