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| author | Niels Möller <nisse@lysator.liu.se> | 2001-04-13 00:03:15 +0200 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2001-04-13 00:03:15 +0200 |
| commit | 8ae5b57640cd5f0381dadfe2299dea54e2ded93e (patch) | |
| tree | 6fc53c08c0b81339e903cf1ea35c74e36e2a5417 /macros.h | |
| parent | a4f63af3021954e8cda13078ae2de6a20ff0830b (diff) | |
| download | nettle-8ae5b57640cd5f0381dadfe2299dea54e2ded93e.tar.gz | |
* Initial checkin.
Rev: src/nettle/.bootstrap:1.1
Rev: src/nettle/.c-style:1.1
Rev: src/nettle/AUTHORS:1.1
Rev: src/nettle/ChangeLog:1.1
Rev: src/nettle/Makefile.am:1.1
Rev: src/nettle/NEWS:1.1
Rev: src/nettle/README:1.1
Rev: src/nettle/aes.c:1.1
Rev: src/nettle/aes.h:1.1
Rev: src/nettle/arcfour.c:1.1
Rev: src/nettle/arcfour.h:1.1
Rev: src/nettle/configure.in:1.1
Rev: src/nettle/macros.h:1.1
Rev: src/nettle/md5.c:1.1
Rev: src/nettle/md5.h:1.1
Rev: src/nettle/memxor.c:1.1
Rev: src/nettle/memxor.h:1.1
Rev: src/nettle/testsuite/.c-style:1.1
Rev: src/nettle/testsuite/Makefile.am:1.1
Rev: src/nettle/testsuite/aes-test.m4:1.1
Rev: src/nettle/testsuite/arcfour-test.m4:1.1
Rev: src/nettle/testsuite/macros.m4:1.1
Rev: src/nettle/testsuite/md5-test.m4:1.1
Rev: src/nettle/testsuite/run-tests:1.1
Rev: src/nettle/testsuite/testutils.c:1.1
Rev: src/nettle/testsuite/testutils.h:1.1
Diffstat (limited to 'macros.h')
| -rw-r--r-- | macros.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/macros.h b/macros.h new file mode 100644 index 00000000..7aa85d18 --- /dev/null +++ b/macros.h @@ -0,0 +1,59 @@ +/* macros.h + * + */ + +/* nettle, low-level cryptographics library + * + * Copyright (C) 2001 Niels Möller + * + * The nettle library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. + * + * The GNU MP Library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with the GNU MP Library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + */ + +#ifndef NETTLE_MACROS_H_INCLUDED +#define NETTLE_MACROS_H_INCLUDED + +/* Reads a 32-bit integer, in network, big-endian, byte order */ +#define READ_UINT32(p) \ +( (((uint32_t) (p)[0]) << 24) \ + | (((uint32_t) (p)[1]) << 16) \ + | (((uint32_t) (p)[2]) << 8) \ + | ((uint32_t) (p)[3])) + +#define WRITE_UINT32(p, i) \ +do { \ + (p)[0] = ((i) >> 24) & 0xff; \ + (p)[1] = ((i) >> 16) & 0xff; \ + (p)[2] = ((i) >> 8) & 0xff; \ + (p)[3] = (i) & 0xff; \ +} while(0) + +/* And the other, little-endian, byteorder */ +#define LE_READ_UINT32(p) \ +( (((uint32_t) (p)[3]) << 24) \ + | (((uint32_t) (p)[2]) << 16) \ + | (((uint32_t) (p)[1]) << 8) \ + | ((uint32_t) (p)[0])) + +#define LE_WRITE_UINT32(p, i) \ +do { \ + (p)[3] = ((i) >> 24) & 0xff; \ + (p)[2] = ((i) >> 16) & 0xff; \ + (p)[1] = ((i) >> 8) & 0xff; \ + (p)[0] = (i) & 0xff; \ +} while(0) + + +#endif /* NETTLE_MACROS_H_INCLUDED */ |