Merge "Restoring the contents of aosp after"

1 files changed, 0 insertions, 117 deletions

diff --git a/bcprov/src/main/java/org/bouncycastle/pqc/crypto/DigestingMessageSigner.java b/bcprov/src/main/java/org/bouncycastle/pqc/crypto/DigestingMessageSigner.java
deleted file mode 100644
index 6b5b251..0000000
--- a/bcprov/src/main/java/org/bouncycastle/pqc/crypto/DigestingMessageSigner.java
+++ /dev/null
@@ -1,117 +0,0 @@
-package org.bouncycastle.pqc.crypto;
-
-import org.bouncycastle.crypto.CipherParameters;
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.Signer;
-import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
-import org.bouncycastle.crypto.params.ParametersWithRandom;
-
-
-/**
- * Implements the sign and verify functions for a Signature Scheme which can use a hash function.
- */
-public class DigestingMessageSigner
-    implements Signer
-{
-    private final Digest messDigest;
-    private final MessageSigner messSigner;
-    private boolean forSigning;
-
-    public DigestingMessageSigner(MessageSigner messSigner, Digest messDigest)
-    {
-        this.messSigner = messSigner;
-        this.messDigest = messDigest;
-    }
-
-    public void init(boolean forSigning,
-                     CipherParameters param)
-    {
-
-        this.forSigning = forSigning;
-        AsymmetricKeyParameter k;
-
-        if (param instanceof ParametersWithRandom)
-        {
-            k = (AsymmetricKeyParameter)((ParametersWithRandom)param).getParameters();
-        }
-        else
-        {
-            k = (AsymmetricKeyParameter)param;
-        }
-
-        if (forSigning && !k.isPrivate())
-        {
-            throw new IllegalArgumentException("Signing Requires Private Key.");
-        }
-
-        if (!forSigning && k.isPrivate())
-        {
-            throw new IllegalArgumentException("Verification Requires Public Key.");
-        }
-
-        reset();
-
-        messSigner.init(forSigning, param);
-    }
-
-
-    /**
-     * This function signs the message that has been updated, making use of the
-     * private key.
-     *
-     * @return the signature of the message.
-     */
-    public byte[] generateSignature()
-    {
-        if (!forSigning)
-        {
-            throw new IllegalStateException("RainbowDigestSigner not initialised for signature generation.");
-        }
-
-        byte[] hash = new byte[messDigest.getDigestSize()];
-        messDigest.doFinal(hash, 0);
-
-        return messSigner.generateSignature(hash);
-    }
-
-    /**
-     * This function verifies the signature of the message that has been
-     * updated, with the aid of the public key.
-     *
-     * @param signature the signature of the message is given as a byte array.
-     * @return true if the signature has been verified, false otherwise.
-     */
-    public boolean verify(byte[] signature)
-    {
-        if (forSigning)
-        {
-            throw new IllegalStateException("RainbowDigestSigner not initialised for verification");
-        }
-
-        byte[] hash = new byte[messDigest.getDigestSize()];
-        messDigest.doFinal(hash, 0);
-
-        return messSigner.verifySignature(hash, signature);
-
-    }
-
-    public void update(byte b)
-    {
-        messDigest.update(b);
-    }
-
-    public void update(byte[] in, int off, int len)
-    {
-        messDigest.update(in, off, len);
-    }
-
-    public void reset()
-    {
-        messDigest.reset();
-    }
-
-    public boolean verifySignature(byte[] signature)
-    {
-        return this.verify(signature);
-    }
-}