1 files changed, 0 insertions, 74 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/crypto/agreement/kdf/ECDHKEKGenerator.java b/bcprov/src/main/java/org/bouncycastle/crypto/agreement/kdf/ECDHKEKGenerator.java
deleted file mode 100644
index 5d15b99..0000000
--- a/bcprov/src/main/java/org/bouncycastle/crypto/agreement/kdf/ECDHKEKGenerator.java
+++ /dev/null
@@ -1,74 +0,0 @@
-package org.bouncycastle.crypto.agreement.kdf;
-
-import java.io.IOException;
-
-import org.bouncycastle.asn1.ASN1EncodableVector;
-import org.bouncycastle.asn1.ASN1Encoding;
-import org.bouncycastle.asn1.ASN1ObjectIdentifier;
-import org.bouncycastle.asn1.DERNull;
-import org.bouncycastle.asn1.DEROctetString;
-import org.bouncycastle.asn1.DERSequence;
-import org.bouncycastle.asn1.DERTaggedObject;
-import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
-import org.bouncycastle.crypto.DataLengthException;
-import org.bouncycastle.crypto.DerivationParameters;
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.DigestDerivationFunction;
-import org.bouncycastle.crypto.generators.KDF2BytesGenerator;
-import org.bouncycastle.crypto.params.KDFParameters;
-import org.bouncycastle.util.Pack;
-
-/**
- * X9.63 based key derivation function for ECDH CMS.
- */
-public class ECDHKEKGenerator
-    implements DigestDerivationFunction
-{
-    private DigestDerivationFunction kdf;
-
-    private ASN1ObjectIdentifier algorithm;
-    private int                 keySize;
-    private byte[]              z;
-
-    public ECDHKEKGenerator(
-        Digest digest)
-    {
-        this.kdf = new KDF2BytesGenerator(digest);
-    }
-
-    public void init(DerivationParameters param)
-    {
-        DHKDFParameters params = (DHKDFParameters)param;
-
-        this.algorithm = params.getAlgorithm();
-        this.keySize = params.getKeySize();
-        this.z = params.getZ();
-    }
-
-    public Digest getDigest()
-    {
-        return kdf.getDigest();
-    }
-
-    public int generateBytes(byte[] out, int outOff, int len)
-        throws DataLengthException, IllegalArgumentException
-    {
-        // TODO Create an ASN.1 class for this (RFC3278)
-        // ECC-CMS-SharedInfo
-        ASN1EncodableVector v = new ASN1EncodableVector();
-
-        v.add(new AlgorithmIdentifier(algorithm, DERNull.INSTANCE));
-        v.add(new DERTaggedObject(true, 2, new DEROctetString(Pack.intToBigEndian(keySize))));
-
-        try
-        {
-            kdf.init(new KDFParameters(z, new DERSequence(v).getEncoded(ASN1Encoding.DER)));
-        }
-        catch (IOException e)
-        {
-            throw new IllegalArgumentException("unable to initialise kdf: " + e.getMessage());
-        }
-
-        return kdf.generateBytes(out, outOff, len);
-    }
-}