while (iter.hasNext()) {
                final String _key = (String) iter.next();
                final int _klen = _key.length();
                boolean match = false;

                if (_klen == key.length()) {
                    match = _key.equals(key);
                } else if (_klen < key.length()) {
                    match = _key.regionMatches(0, key, 0, _klen) && key.charAt(_klen) == '\\';
                }

        } else {
            ret.append(Hexdump.toHexString(serverChallenge, 0, serverChallenge.length * 2));
        }
        ret.append(",signingKey=");
        if (signingKey == null) {
            ret.append("null");
        } else {
            ret.append(Hexdump.toHexString(signingKey, 0, signingKey.length * 2));
        }
        ret.append("]");
        return ret.toString();
    }

    /**

        byte[] actualDescrBytes = new byte[expectedDescrBytes.length];
        System.arraycopy(dst, 2, actualDescrBytes, 0, expectedDescrBytes.length);
        assertArrayEquals(expectedDescrBytes, actualDescrBytes);

        // Verify level (0x0001 - 2 bytes)
        int descrEnd = 2 + expectedDescrBytes.length;
        assertEquals(0x01, dst[descrEnd]);
        assertEquals(0x00, dst[descrEnd + 1]);

        // LM Response (24 bytes at offset 64)
        message[12] = 24; // Length
        message[13] = 0;
        message[14] = 24; // Max Length
        message[15] = 0;
        message[16] = 64; // Offset
        message[17] = 0;
        message[18] = 0;
        message[19] = 0;

        // NT Response (24 bytes at offset 88)
        message[20] = 24; // Length
        message[21] = 0;
        message[22] = 24; // Max Length

        byte[] derived = new byte[length];

        // Combine inputs
        byte[] labelBytes = label.getBytes(java.nio.charset.StandardCharsets.UTF_8);
        byte[] input = new byte[baseKey.length + labelBytes.length + (context != null ? context.length : 0)];

        int pos = 0;
        System.arraycopy(baseKey, 0, input, pos, baseKey.length);
        pos += baseKey.length;

        } catch (final UnsupportedEncodingException uee) {}
        dstIndex += scope.length();

        dst[dstIndex++] = (byte) 0x00;

        // now go over scope backwards converting '.' to label length

        int i = dstIndex - 2;
        final int e = i - scope.length();
        int c = 0;

        do {

c="",d=0;d<b.length;d++){for(var e=!0,f=0;f<a&&f+d+a<b.length;f++)e=e&&b.charAt(f+d)===b.charAt(f+d+a);f<a&&(e=!1),e?(d+=a-1,e=!1):c+=b.charAt(d)}return c};return b+=4*a.length,b+=1*(c(1,a).length-a.length),b+=1*(c(2,a).length-a.length),b+=1*(c(3,a).length-a.length),b+=1*(c(4,a).length-a.length),a.match(/(.*[0-9].*[0-9].*[0-9])/)&&(b+=5),a.match(/(.*[!,@,#,$,%,^,&,*,?,_,~].*[!,@,#,$,%,^,&,*,?,_,~])/)&&(b+=5),a.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/)&&(b+=10),a.match(/([a-zA-Z])/)&&a.match(/([0-9])/)&&(b+=15),a.matc...

        // First: "" (sb becomes "")
        // Second: sb.length() is 0, no delimiter, append null (sb becomes "null")
        // Third: sb.length() > 0, add "-" + "value" (sb becomes "null-value")
        // Fourth: sb.length() > 0, add "-" + "" (sb becomes "null-value-")
        // Fifth: sb.length() > 0, add "-" + null (sb becomes "null-value--null")
        assertEquals("null-value--null", result);
    }

            System.arraycopy(this.blob, 0, dst, dstIndex, this.blob.length);
            dstIndex += this.blob.length;
        } else {
            System.arraycopy(this.lmHash, 0, dst, dstIndex, this.lmHash.length);
            dstIndex += this.lmHash.length;
            System.arraycopy(this.ntHash, 0, dst, dstIndex, this.ntHash.length);
            dstIndex += this.ntHash.length;

     * @param length the number of bytes to dump from the source array
     */

    public static void hexdump(final PrintStream ps, final byte[] src, final int srcIndex, final int length) {
        if (length == 0) {
            return;
        }

        final int s = length % 16;
        final int r = s == 0 ? length / 16 : length / 16 + 1;
        final char[] c = new char[r * (74 + NL_LENGTH)];