gecko-dev/security/nss/lib/freebl/sha_fast.h
2001-09-20 22:14:09 +00:00

60 lines
2.0 KiB
C

/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is SHA 180-1 Reference Implementation (Optimized)
*
* The Initial Developer of the Original Code is Paul Kocher of
* Cryptography Research. Portions created by Paul Kocher are
* Copyright (C) 1995-9 by Cryptography Research, Inc. All
* Rights Reserved.
*
* Contributor(s):
*
* Paul Kocher
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#ifndef _SHA_FAST_H_
#define _SHA_FAST_H_
#define SHA1_INPUT_LEN 64
struct SHA1ContextStr {
union {
PRUint32 w[80]; /* input buffer, plus 64 words */
PRUint8 b[320];
} u;
PRUint32 H[5]; /* 5 state variables */
PRUint32 sizeHi,sizeLo; /* 64-bit count of hashed bytes. */
};
#define SHA_MASK 0x00FF00FF
#if defined(IS_LITTLE_ENDIAN)
#define SHA_HTONL(x) (A = (x), A = (A << 16) | (A >> 16), \
((A & SHA_MASK) << 8) | ((A >> 8) & SHA_MASK))
#else
#define SHA_HTONL(x) (x)
#endif
#define SHA_BYTESWAP(x) x = SHA_HTONL(x)
#endif /* _SHA_FAST_H_ */