sha_fast.h
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上传日期:2007-01-12
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- /*
- * 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_ */