1 /*
2 Copyright (C) 1999-2007 The Botan Project. All rights reserved.
3
4 Redistribution and use in source and binary forms, for any use, with or without
5 modification, is permitted provided that the following conditions are met:
6
7 1. Redistributions of source code must retain the above copyright notice, this
8 list of conditions, and the following disclaimer.
9
10 2. Redistributions in binary form must reproduce the above copyright notice,
11 this list of conditions, and the following disclaimer in the documentation
12 and/or other materials provided with the distribution.
13
14 THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) "AS IS" AND ANY EXPRESS OR IMPLIED
15 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
17
18 IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE FOR ANY DIRECT,
19 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
22 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
23 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26 // LICENSEHEADER_END
27 namespace QCA { // WRAPNS_LINE
28 /*************************************************
29 * Multiply/Add Algorithm Source File *
30 * (C) 1999-2007 The Botan Project *
31 *************************************************/
32
33 } // WRAPNS_LINE
34 #include <botan/mp_asm.h>
35 namespace QCA { // WRAPNS_LINE
36 } // WRAPNS_LINE
37 #include <botan/mp_asmi.h>
38 namespace QCA { // WRAPNS_LINE
39 } // WRAPNS_LINE
40 #include <botan/mp_core.h>
41 namespace QCA { // WRAPNS_LINE
42
43 namespace Botan {
44
45 extern "C" {
46
47 /*************************************************
48 * Multiply/Add Words *
49 *************************************************/
bigint_mul_add_words(word z[],const word x[],u32bit x_size,word y)50 word bigint_mul_add_words(word z[], const word x[], u32bit x_size, word y)
51 {
52 const u32bit blocks = x_size - (x_size % 8);
53
54 word carry = 0;
55
56 for (u32bit j = 0; j != blocks; j += 8)
57 carry = word8_madd3(z + j, x + j, y, carry);
58
59 for (u32bit j = blocks; j != x_size; ++j)
60 z[j] = word_madd3(x[j], y, z[j], carry, &carry);
61
62 return carry;
63 }
64 }
65
66 }
67 } // WRAPNS_LINE
68