1 files changed, 0 insertions, 93 deletions
diff --git a/app/src/main/java/com/trilead/ssh2/crypto/dh/GenericDhExchange.java b/app/src/main/java/com/trilead/ssh2/crypto/dh/GenericDhExchange.java
deleted file mode 100644
index 039ff75..0000000
--- a/app/src/main/java/com/trilead/ssh2/crypto/dh/GenericDhExchange.java
+++ /dev/null
@@ -1,93 +0,0 @@
-
-package com.trilead.ssh2.crypto.dh;
-
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.math.BigInteger;
-
-import com.trilead.ssh2.crypto.digest.HashForSSH2Types;
-import com.trilead.ssh2.log.Logger;
-
-
-/**
- * DhExchange.
- *
- * @author Christian Plattner, plattner@trilead.com
- * @version $Id: DhExchange.java,v 1.2 2008/04/01 12:38:09 cplattne Exp $
- */
-public abstract class GenericDhExchange
-{
-	private static final Logger log = Logger.getLogger(GenericDhExchange.class);
-
-	/* Shared secret */
-
-	BigInteger sharedSecret;
-
-	protected GenericDhExchange()
-	{
-	}
-
-	public static GenericDhExchange getInstance(String algo) {
-		if (algo.startsWith("ecdh-sha2-")) {
-			return new EcDhExchange();
-		} else {
-			return new DhExchange();
-		}
-	}
-
-	public abstract void init(String name) throws IOException;
-
-	/**
-	 * @return Returns the e (public value)
-	 * @throws IllegalStateException
-	 */
-	public abstract byte[] getE();
-
-	/**
-	 * @return Returns the server's e (public value)
-	 * @throws IllegalStateException
-	 */
-	protected abstract byte[] getServerE();
-
-	/**
-	 * @return Returns the shared secret k.
-	 * @throws IllegalStateException
-	 */
-	public BigInteger getK()
-	{
-		if (sharedSecret == null)
-			throw new IllegalStateException("Shared secret not yet known, need f first!");
-
-		return sharedSecret;
-	}
-
-	/**
-	 * @param f
-	 */
-	public abstract void setF(byte[] f) throws IOException;
-
-	public byte[] calculateH(byte[] clientversion, byte[] serverversion, byte[] clientKexPayload,
-			byte[] serverKexPayload, byte[] hostKey) throws UnsupportedEncodingException
-	{
-		HashForSSH2Types hash = new HashForSSH2Types(getHashAlgo());
-
-		if (log.isEnabled())
-		{
-			log.log(90, "Client: '" + new String(clientversion, "ISO-8859-1") + "'");
-			log.log(90, "Server: '" + new String(serverversion, "ISO-8859-1") + "'");
-		}
-
-		hash.updateByteString(clientversion);
-		hash.updateByteString(serverversion);
-		hash.updateByteString(clientKexPayload);
-		hash.updateByteString(serverKexPayload);
-		hash.updateByteString(hostKey);
-		hash.updateByteString(getE());
-		hash.updateByteString(getServerE());
-		hash.updateBigInt(sharedSecret);
-
-		return hash.getDigest();
-	}
-
-	public abstract String getHashAlgo();
-}