dst[dstIndex++] = (byte)(( byteCount >> 8 ) & 0xFF );
        dstIndex += byteCount;

        length = dstIndex - start;

        if( digest != null ) {
            digest.sign( dst, headerStart, length, this, response );
        }

        return length;
    }
    int decode( byte[] buffer, int bufferIndex ) {
        int start = headerStart = bufferIndex;

        dst[ dstIndex++ ] = (byte) ( ( this.byteCount >> 8 ) & 0xFF );
        dstIndex += this.byteCount;

        this.length = dstIndex - start;

        if ( this.digest != null ) {
            this.digest.sign(dst, this.headerStart, this.length, this, this.response);
        }

        return this.length;
    }


    @Override