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Diffstat (limited to 'tboot/include/sha1.h')
| -rw-r--r-- | tboot/include/sha1.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tboot/include/sha1.h b/tboot/include/sha1.h new file mode 100644 index 0000000..10d89df --- /dev/null +++ b/tboot/include/sha1.h @@ -0,0 +1,77 @@ +/*$FreeBSD: src/sys/crypto/sha1.h,v 1.8.36.1.2.1 2009/10/25 01:10:29 kensmith Exp $ */ +/*$KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +/* + * Portions copyright (c) 2010, Intel Corporation + */ + +/* + * FIPS pub 180-1: Secure Hash Algorithm (SHA-1) + * based on: http://csrc.nist.gov/fips/fip180-1.txt + * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org> + */ + +#ifndef __SHA1_H__ +#define __SHA1_H__ + +struct sha1_ctxt { + union { + uint8_t b8[20]; + uint32_t b32[5]; + } h; + union { + uint8_t b8[8]; + uint64_t b64[1]; + } c; + union { + uint8_t b8[64]; + uint32_t b32[16]; + } m; + uint8_t count; +}; + +void sha1_init(struct sha1_ctxt *); +void sha1_pad(struct sha1_ctxt *); +void sha1_loop(struct sha1_ctxt *, const uint8_t *, size_t); +void sha1_result(struct sha1_ctxt *, unsigned char *); +#define SHA1_RESULTLEN (160/8) + +/* compatibilty with other SHA1 source codes */ +typedef struct sha1_ctxt SHA_CTX; +#define SHA1_Init(x) sha1_init((x)) +#define SHA1_Update(x, y, z) sha1_loop((x), (y), (z)) +#define SHA1_Final(x, y) sha1_result((y), (x)) +#define SHA_DIGEST_LENGTH SHA1_RESULTLEN + +int sha1_buffer(const unsigned char *buffer, size_t len, + unsigned char md[SHA_DIGEST_LENGTH]); + +#endif /* __SHA1_H__ */ |