| package org.bouncycastle.dvcs; |
| |
| import java.io.OutputStream; |
| |
| import org.bouncycastle.asn1.x509.DigestInfo; |
| import org.bouncycastle.operator.DigestCalculator; |
| |
| public class MessageImprintBuilder |
| { |
| private final DigestCalculator digestCalculator; |
| |
| public MessageImprintBuilder(DigestCalculator digestCalculator) |
| { |
| this.digestCalculator = digestCalculator; |
| } |
| |
| public MessageImprint build(byte[] message) |
| throws DVCSException |
| { |
| try |
| { |
| OutputStream dOut = digestCalculator.getOutputStream(); |
| |
| dOut.write(message); |
| |
| dOut.close(); |
| |
| return new MessageImprint(new DigestInfo(digestCalculator.getAlgorithmIdentifier(), digestCalculator.getDigest())); |
| } |
| catch (Exception e) |
| { |
| throw new DVCSException("unable to build MessageImprint: " + e.getMessage(), e); |
| } |
| } |
| } |