diff options
Diffstat (limited to 'libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/digests/NullDigest.java')
-rw-r--r-- | libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/digests/NullDigest.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/digests/NullDigest.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/digests/NullDigest.java new file mode 100644 index 000000000..6b3c8106f --- /dev/null +++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/digests/NullDigest.java @@ -0,0 +1,48 @@ +package org.spongycastle.crypto.digests; + +import java.io.ByteArrayOutputStream; + +import org.spongycastle.crypto.Digest; + + +public class NullDigest + implements Digest +{ + private ByteArrayOutputStream bOut = new ByteArrayOutputStream(); + + public String getAlgorithmName() + { + return "NULL"; + } + + public int getDigestSize() + { + return bOut.size(); + } + + public void update(byte in) + { + bOut.write(in); + } + + public void update(byte[] in, int inOff, int len) + { + bOut.write(in, inOff, len); + } + + public int doFinal(byte[] out, int outOff) + { + byte[] res = bOut.toByteArray(); + + System.arraycopy(res, 0, out, outOff, res.length); + + reset(); + + return res.length; + } + + public void reset() + { + bOut.reset(); + } +}
\ No newline at end of file |