* {@inheritDoc}
     *
     * @see jcifs.smb.NtlmPasswordAuthenticator#getAnsiHash(jcifs.CIFSContext, byte[])
     */
    @Override
    public byte[] getAnsiHash ( CIFSContext tc, byte[] chlng ) throws GeneralSecurityException {
        if ( this.hashesExternal ) {
            return this.ansiHash;
        }
        return super.getAnsiHash(tc, chlng);
    }


    /**
     * {@inheritDoc}
     *

                    ntHash = new byte[0];
                    capabilities &= ~SmbConstants.CAP_EXTENDED_SECURITY;
                } else if (session.transport.server.encryptedPasswords) {
                    lmHash = auth.getAnsiHash( session.transport.server.encryptionKey );
                    ntHash = auth.getUnicodeHash( session.transport.server.encryptionKey );
                    // prohibit HTTP auth attempts for the null session

            this.challenge = challenge
        }

        @Override
        boolean check(Object credentials) {
            if (credentials instanceof String) {
                byte[] hash = authentication.getAnsiHash(challenge)
                byte[] clientChallenge = hash[16..-1] as byte[]

                this.passwordLength = 1;
            }
            else if ( this.server.encryptedPasswords ) {
                // encrypted
                try {
                    this.password = pwAuth.getAnsiHash(this.ctx, this.server.encryptionKey);
                }
                catch ( GeneralSecurityException e ) {
                    throw new RuntimeCIFSException("Failed to encrypt password", e);
                }

                        session.auth.password.length() > 0 )) {

            if( session.transport.server.encryptedPasswords ) {
                // encrypted
                password = session.auth.getAnsiHash( session.transport.server.encryptionKey );
                passwordLength = password.length;
            } else if( DISABLE_PLAIN_TEXT_PASSWORDS ) {

                    this.primaryDomain = a.getUserDomain() != null ? a.getUserDomain().toUpperCase() : "?";
                    if ( server.encryptedPasswords ) {
                        this.lmHash = a.getAnsiHash(tc, server.encryptionKey);
                        this.ntHash = a.getUnicodeHash(tc, server.encryptionKey);
                        // prohibit HTTP auth attempts for the null session

     * 
     * @param tc
     * @param chlng
     * @return the hash for the given challenge
     * @throws GeneralSecurityException
     */
    public byte[] getAnsiHash ( CIFSContext tc, byte[] chlng ) throws GeneralSecurityException {
        switch ( tc.getConfig().getLanManCompatibility() ) {
        case 0:
        case 1:

        return d ? domain + "\\" + username : username;
    }

/**
 * Computes the 24 byte ANSI password hash given the 8 byte server challenge.
 */
    public byte[] getAnsiHash( byte[] challenge ) {
        if( hashesExternal ) {
            return ansiHash;
        }
        switch (LM_COMPATIBILITY) {
        case 0:
        case 1: