Examples of com.sshtools.j2ssh.util.Hash

com.sshtools.j2ssh.util.Hash
@author $author$ @version $Revision: 1.13 $

    }


    private byte[] makePassphraseKey(String passphrase) {
        try {
            // Generate the key using the passphrase
            Hash md5 = new Hash("MD5");
            md5.putBytes(passphrase.getBytes());


            byte[] key1 = md5.doFinal();
            md5.reset();
            md5.putBytes(passphrase.getBytes());
            md5.putBytes(key1);


            byte[] key2 = md5.doFinal();
            byte[] key = new byte[32];
            System.arraycopy(key1, 0, key, 0, 16);
            System.arraycopy(key2, 0, key, 16, 16);


            return key;

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     *
     * @return
     */
    public String getFingerprint() {
        try {
            Hash md5 = new Hash("MD5");
            md5.putBytes(getEncoded());


            byte[] digest = md5.doFinal();
            int bits = getBitLength();
            bits = (((bits % 8) != 0) ? (bits += (bits % 8)) : bits);


            String ret = String.valueOf(bits);

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    private byte[] makeSshKey(char chr) throws IOException {
        try {
            // Create the first 20 bytes of key data
            ByteArrayWriter keydata = new ByteArrayWriter();
            byte[] data = new byte[20];
            Hash hash = new Hash("SHA");


            // Put the dh k value
            hash.putBigInteger(k);


            // Put in the exchange hash
            hash.putBytes(exchangeHash);


            // Put in the character
            hash.putByte((byte) chr);


            // Put the exchange hash in again
            hash.putBytes(sessionIdentifier);


            // Create the fist 20 bytes
            data = hash.doFinal();
            keydata.write(data);


            // Now do the next 20
            hash.reset();


            // Put the dh k value in again
            hash.putBigInteger(k);


            // And the exchange hash
            hash.putBytes(exchangeHash);


            // Finally the first 20 bytes of data we created
            hash.putBytes(data);
            data = hash.doFinal();


            // Put it all together
            keydata.write(data);


            // Return it

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     *
     *
     * @throws KeyExchangeException
     */
    protected void calculateExchangeHash() throws KeyExchangeException {
        Hash hash;


        try {
            // Start a SHA hash
            hash = new Hash("SHA");
        } catch (NoSuchAlgorithmException nsae) {
            throw new KeyExchangeException("SHA algorithm not supported");
        }


        int i;


        // The local software version comments
        hash.putString(clientId);


        // The remote software version comments
        hash.putString(serverId);


        // The local kex init payload
        hash.putInt(clientKexInit.length);
        hash.putBytes(clientKexInit);


        // The remote kex init payload
        hash.putInt(serverKexInit.length);
        hash.putBytes(serverKexInit);


        // The host key
        hash.putInt(hostKey.length);
        hash.putBytes(hostKey);


        // The diffie hellman e value
        hash.putBigInteger(e);


        // The diffie hellman f value
        hash.putBigInteger(f);


        // The diffie hellman k value
        hash.putBigInteger(secret);


        // Do the final output
        exchangeHash = hash.doFinal();
    }

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     *
     *
     * @throws KeyExchangeException
     */
    protected void calculateExchangeHash() throws KeyExchangeException {
        Hash hash;


        try {
            // Start a SHA hash
            hash = new Hash("SHA");
        } catch (NoSuchAlgorithmException nsae) {
            throw new KeyExchangeException("SHA algorithm not supported");
        }


        int i;


        // The local software version comments
        hash.putString(clientId);


        // The remote software version comments
        hash.putString(serverId);


        // The local kex init payload
        hash.putInt(clientKexInit.length);
        hash.putBytes(clientKexInit);


        // The remote kex init payload
        hash.putInt(serverKexInit.length);
        hash.putBytes(serverKexInit);


        // The host key
        hash.putInt(hostKey.length);
        hash.putBytes(hostKey);


        // The diffie hellman e value
        hash.putBigInteger(e);


        // The diffie hellman f value
        hash.putBigInteger(f);


        // The diffie hellman k value
        hash.putBigInteger(secret);


        // Do the final output
        exchangeHash = hash.doFinal();
    }

View Full Code Here

    }


    private byte[] makePassphraseKey(String passphrase) {
        try {
            // Generate the key using the passphrase
            Hash md5 = new Hash("MD5");
            md5.putBytes(passphrase.getBytes());


            byte[] key1 = md5.doFinal();
            md5.reset();
            md5.putBytes(passphrase.getBytes());
            md5.putBytes(key1);


            byte[] key2 = md5.doFinal();
            byte[] key = new byte[32];
            System.arraycopy(key1, 0, key, 0, 16);
            System.arraycopy(key2, 0, key, 16, 16);


            return key;

View Full Code Here

     *
     * @return
     */
    public String getFingerprint() {
        try {
            Hash md5 = new Hash("MD5");
            md5.putBytes(getEncoded());


            byte[] digest = md5.doFinal();
            int bits = getBitLength();
            bits = (((bits % 8) != 0) ? (bits += (bits % 8)) : bits);


            String ret = String.valueOf(bits);

View Full Code Here

    private byte[] makeSshKey(char chr) throws IOException {
        try {
            // Create the first 20 bytes of key data
            ByteArrayWriter keydata = new ByteArrayWriter();
            byte[] data = new byte[20];
            Hash hash = new Hash("SHA");


            // Put the dh k value
            hash.putBigInteger(k);


            // Put in the exchange hash
            hash.putBytes(exchangeHash);


            // Put in the character
            hash.putByte((byte) chr);


            // Put the exchange hash in again
            hash.putBytes(sessionIdentifier);


            // Create the fist 20 bytes
            data = hash.doFinal();
            keydata.write(data);


            // Now do the next 20
            hash.reset();


            // Put the dh k value in again
            hash.putBigInteger(k);


            // And the exchange hash
            hash.putBytes(exchangeHash);


            // Finally the first 20 bytes of data we created
            hash.putBytes(data);
            data = hash.doFinal();


            // Put it all together
            keydata.write(data);


            // Return it

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Related Classes of com.sshtools.j2ssh.util.Hash

com.sshtools.j2ssh.transport.kex.DhGroup1Sha1

com.sshtools.j2ssh.transport.publickey.SshPublicKey

com.sshtools.j2ssh.transport.publickey.SshtoolsPrivateKeyFormat

com.sshtools.j2ssh.transport.TransportProtocolCommon

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