| package org.bouncycastle.operator; |
| |
| import java.io.InputStream; |
| |
| import org.bouncycastle.asn1.x509.AlgorithmIdentifier; |
| |
| /** |
| * General interface for an operator that is able to produce |
| * an InputStream that will decrypt a stream of encrypted data. |
| */ |
| public interface InputDecryptor |
| { |
| /** |
| * Return the algorithm identifier describing the encryption |
| * algorithm and parameters this decryptor can process. |
| * |
| * @return algorithm oid and parameters. |
| */ |
| AlgorithmIdentifier getAlgorithmIdentifier(); |
| |
| /** |
| * Wrap the passed in input stream encIn, returning an input stream |
| * that decrypts what it reads from encIn before returning it. |
| * |
| * @param encIn InputStream containing encrypted input. |
| * @return an decrypting InputStream |
| */ |
| InputStream getInputStream(InputStream encIn); |
| } |