Move to library-based build

1 files changed, 0 insertions, 132 deletions

diff --git a/app/src/main/java/com/trilead/ssh2/crypto/dh/DhExchange.java b/app/src/main/java/com/trilead/ssh2/crypto/dh/DhExchange.java
deleted file mode 100644
index 3acde25..0000000
--- a/app/src/main/java/com/trilead/ssh2/crypto/dh/DhExchange.java
+++ /dev/null
@@ -1,132 +0,0 @@
-/**
- *
- */
-package com.trilead.ssh2.crypto.dh;
-
-import java.io.IOException;
-import java.math.BigInteger;
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.KeyFactory;
-import java.security.KeyPair;
-import java.security.KeyPairGenerator;
-import java.security.NoSuchAlgorithmException;
-import java.security.spec.InvalidKeySpecException;
-
-import javax.crypto.KeyAgreement;
-import javax.crypto.interfaces.DHPrivateKey;
-import javax.crypto.interfaces.DHPublicKey;
-import javax.crypto.spec.DHParameterSpec;
-import javax.crypto.spec.DHPublicKeySpec;
-
-/**
- * @author kenny
- *
- */
-public class DhExchange extends GenericDhExchange {
-
-	/* Given by the standard */
-
-	private static final BigInteger P1 = new BigInteger(
-			  "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
-			+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
-			+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
-			+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
-			+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381"
-			+ "FFFFFFFFFFFFFFFF", 16);
-
-	private static final BigInteger P14 = new BigInteger(
-			  "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
-			+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
-			+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
-			+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
-			+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
-			+ "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
-			+ "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
-			+ "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
-			+ "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
-			+ "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
-			+ "15728E5A8AACAA68FFFFFFFFFFFFFFFF", 16);
-
-	private static final BigInteger G = BigInteger.valueOf(2);
-
-	/* Client public and private */
-
-	private DHPrivateKey clientPrivate;
-	private DHPublicKey clientPublic;
-
-	/* Server public */
-
-	private DHPublicKey serverPublic;
-
-	@Override
-	public void init(String name) throws IOException {
-		final DHParameterSpec spec;
-		if ("diffie-hellman-group1-sha1".equals(name)) {
-			spec = new DHParameterSpec(P1, G);
-		} else if ("diffie-hellman-group14-sha1".equals(name)) {
-			spec = new DHParameterSpec(P14, G);
-		} else {
-			throw new IllegalArgumentException("Unknown DH group " + name);
-		}
-
-		try {
-			KeyPairGenerator kpg = KeyPairGenerator.getInstance("DH");
-			kpg.initialize(spec);
-			KeyPair pair = kpg.generateKeyPair();
-			clientPrivate = (DHPrivateKey) pair.getPrivate();
-			clientPublic = (DHPublicKey) pair.getPublic();
-		} catch (NoSuchAlgorithmException e) {
-			throw (IOException) new IOException("No DH keypair generator").initCause(e);
-		} catch (InvalidAlgorithmParameterException e) {
-			throw (IOException) new IOException("Invalid DH parameters").initCause(e);
-		}
-	}
-
-	@Override
-	public byte[] getE() {
-		if (clientPublic == null)
-			throw new IllegalStateException("DhExchange not initialized!");
-
-		return clientPublic.getY().toByteArray();
-	}
-
-	@Override
-	protected byte[] getServerE() {
-		if (serverPublic == null)
-			throw new IllegalStateException("DhExchange not initialized!");
-
-		return serverPublic.getY().toByteArray();
-	}
-
-	@Override
-	public void setF(byte[] f) throws IOException {
-		if (clientPublic == null)
-			throw new IllegalStateException("DhExchange not initialized!");
-
-		final KeyAgreement ka;
-		try {
-			KeyFactory kf = KeyFactory.getInstance("DH");
-			DHParameterSpec params = clientPublic.getParams();
-			this.serverPublic = (DHPublicKey) kf.generatePublic(new DHPublicKeySpec(
-					new BigInteger(f), params.getP(), params.getG()));
-
-			ka = KeyAgreement.getInstance("DH");
-			ka.init(clientPrivate);
-			ka.doPhase(serverPublic, true);
-		} catch (NoSuchAlgorithmException e) {
-			throw (IOException) new IOException("No DH key agreement method").initCause(e);
-		} catch (InvalidKeyException e) {
-			throw (IOException) new IOException("Invalid DH key").initCause(e);
-		} catch (InvalidKeySpecException e) {
-			throw (IOException) new IOException("Invalid DH key").initCause(e);
-		}
-
-		sharedSecret = new BigInteger(ka.generateSecret());
-	}
-
-	@Override
-	public String getHashAlgo() {
-		return "SHA1";
-	}
-}