1 package org.bouncycastle.jcajce.provider.digest; 2 3 import java.security.MessageDigest; 4 5 import org.bouncycastle.crypto.Digest; 6 7 public class BCMessageDigest 8 extends MessageDigest 9 { 10 protected Digest digest; 11 12 protected BCMessageDigest( 13 Digest digest) 14 { 15 super(digest.getAlgorithmName()); 16 17 this.digest = digest; 18 } 19 20 public void engineReset() 21 { 22 digest.reset(); 23 } 24 25 public void engineUpdate( 26 byte input) 27 { 28 digest.update(input); 29 } 30 31 public void engineUpdate( 32 byte[] input, 33 int offset, 34 int len) 35 { 36 digest.update(input, offset, len); 37 } 38 39 public byte[] engineDigest() 40 { 41 byte[] digestBytes = new byte[digest.getDigestSize()]; 42 43 digest.doFinal(digestBytes, 0); 44 45 return digestBytes; 46 } 47 } 48
