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.openssl;


Base interface for decryption operations.

/**
 * Base interface for decryption operations.
 */
public interface PEMDecryptor
{
    
Decrypt the passed in data using the associated IV and the decryptor's key state.

Params:
  • data – the encrypted data
  • iv – the initialisation vector associated with the decryption.
Throws:
Returns:the decrypted data.
/**
     * Decrypt the passed in data using the associated IV and the decryptor's key state.
     *
     * @param data the encrypted data
     * @param iv the initialisation vector associated with the decryption.
     * @return the decrypted data.
     * @throws PEMException in the event of an issue.
     */
    byte[] decrypt(byte[] data, byte[] iv)
        throws PEMException;
}