Mercurial > dropbear

annotate pmac_shift_xor.c @ 15:6362d3854bb4 libtomcrypt-orig

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
0.96 release of LibTomCrypt
author Matt Johnston <matt@ucc.asn.au>
date Tue, 15 Jun 2004 14:07:21 +0000
parents 7faae8f46238
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2 *
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 * LibTomCrypt is a library that provides various cryptographic
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 * algorithms in a highly modular and flexible manner.
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
5 *
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 * The library is free for all purposes without any express
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 * guarantee it works.
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 *
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 * Tom St Denis, [email protected], http://libtomcrypt.org
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 */
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 /* PMAC implementation by Tom St Denis */
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13 #include "mycrypt.h"
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
14
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 #ifdef PMAC
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17 void pmac_shift_xor(pmac_state *pmac)
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 {
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 int x, y;
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 y = pmac_ntz(pmac->block_index++);
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 for (x = 0; x < pmac->block_len; x++) {
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22 pmac->Li[x] ^= pmac->Ls[y][x];
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 }
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
24 }
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
25
7faae8f46238 Branch renaming
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26 #endif