File indexing completed on 2024-05-12 04:45:15

0001 /*
0002 Copyright (C) 1999-2007 The Botan Project. All rights reserved.
0003 
0004 Redistribution and use in source and binary forms, for any use, with or without
0005 modification, is permitted provided that the following conditions are met:
0006 
0007 1. Redistributions of source code must retain the above copyright notice, this
0008 list of conditions, and the following disclaimer.
0009 
0010 2. Redistributions in binary form must reproduce the above copyright notice,
0011 this list of conditions, and the following disclaimer in the documentation
0012 and/or other materials provided with the distribution.
0013 
0014 THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) "AS IS" AND ANY EXPRESS OR IMPLIED
0015 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
0016 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
0017 
0018 IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE FOR ANY DIRECT,
0019 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
0020 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0021 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
0022 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
0023 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
0024 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0025 */
0026 // LICENSEHEADER_END
0027 namespace QCA { // WRAPNS_LINE
0028 /*************************************************
0029  * Multiply/Add Algorithm Source File             *
0030  * (C) 1999-2007 The Botan Project                *
0031  *************************************************/
0032 
0033 } // WRAPNS_LINE
0034 #include <botan/mp_asm.h>
0035 namespace QCA { // WRAPNS_LINE
0036 } // WRAPNS_LINE
0037 #include <botan/mp_asmi.h>
0038 namespace QCA { // WRAPNS_LINE
0039 } // WRAPNS_LINE
0040 #include <botan/mp_core.h>
0041 namespace QCA { // WRAPNS_LINE
0042 
0043 namespace Botan {
0044 
0045 extern "C" {
0046 
0047 /*************************************************
0048  * Multiply/Add Words                             *
0049  *************************************************/
0050 word bigint_mul_add_words(word z[], const word x[], u32bit x_size, word y)
0051 {
0052     const u32bit blocks = x_size - (x_size % 8);
0053 
0054     word carry = 0;
0055 
0056     for (u32bit j = 0; j != blocks; j += 8)
0057         carry = word8_madd3(z + j, x + j, y, carry);
0058 
0059     for (u32bit j = blocks; j != x_size; ++j)
0060         z[j] = word_madd3(x[j], y, z[j], carry, &carry);
0061 
0062     return carry;
0063 }
0064 }
0065 
0066 }
0067 } // WRAPNS_LINE