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Diffstat (limited to 'include/sha2.h')
| -rw-r--r-- | include/sha2.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/include/sha2.h b/include/sha2.h new file mode 100644 index 0000000..52ddb3f --- /dev/null +++ b/include/sha2.h @@ -0,0 +1,156 @@ +/* $OpenBSD: sha2.h,v 1.10 2016/09/03 17:00:29 tedu Exp $ */ + +/* + * FILE: sha2.h + * AUTHOR: Aaron D. Gifford <me@aarongifford.com> + * + * Copyright (c) 2000-2001, Aaron D. Gifford + * 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 copyright holder nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``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 AUTHOR OR CONTRIBUTOR(S) 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. + * + * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $ + */ + +#ifndef _SHA2_H +#define _SHA2_H + + +/*** SHA-256/384/512 Various Length Definitions ***********************/ +#define SHA224_BLOCK_LENGTH 64 +#define SHA224_DIGEST_LENGTH 28 +#define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1) +#define SHA256_BLOCK_LENGTH 64 +#define SHA256_DIGEST_LENGTH 32 +#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) +#define SHA384_BLOCK_LENGTH 128 +#define SHA384_DIGEST_LENGTH 48 +#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) +#define SHA512_BLOCK_LENGTH 128 +#define SHA512_DIGEST_LENGTH 64 +#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) +#define SHA512_256_BLOCK_LENGTH 128 +#define SHA512_256_DIGEST_LENGTH 32 +#define SHA512_256_DIGEST_STRING_LENGTH (SHA512_256_DIGEST_LENGTH * 2 + 1) + + +/*** SHA-224/256/384/512 Context Structure *******************************/ +typedef struct _SHA2_CTX { + union { + u_int32_t st32[8]; + u_int64_t st64[8]; + } state; + u_int64_t bitcount[2]; + u_int8_t buffer[SHA512_BLOCK_LENGTH]; +} SHA2_CTX; + +__BEGIN_DECLS +void SHA224Init(SHA2_CTX *); +void SHA224Transform(u_int32_t state[8], const u_int8_t [SHA224_BLOCK_LENGTH]); +void SHA224Update(SHA2_CTX *, const u_int8_t *, size_t) + __attribute__((__bounded__(__string__,2,3))); +void SHA224Pad(SHA2_CTX *); +void SHA224Final(u_int8_t [SHA224_DIGEST_LENGTH], SHA2_CTX *) + __attribute__((__bounded__(__minbytes__,1,SHA224_DIGEST_LENGTH))); +char *SHA224End(SHA2_CTX *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); +char *SHA224File(const char *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); +char *SHA224FileChunk(const char *, char *, off_t, off_t) + __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); +char *SHA224Data(const u_int8_t *, size_t, char *) + __attribute__((__bounded__(__string__,1,2))) + __attribute__((__bounded__(__minbytes__,3,SHA224_DIGEST_STRING_LENGTH))); + +void SHA256Init(SHA2_CTX *); +void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]); +void SHA256Update(SHA2_CTX *, const u_int8_t *, size_t) + __attribute__((__bounded__(__string__,2,3))); +void SHA256Pad(SHA2_CTX *); +void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *) + __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH))); +char *SHA256End(SHA2_CTX *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); +char *SHA256File(const char *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); +char *SHA256FileChunk(const char *, char *, off_t, off_t) + __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); +char *SHA256Data(const u_int8_t *, size_t, char *) + __attribute__((__bounded__(__string__,1,2))) + __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH))); + +void SHA384Init(SHA2_CTX *); +void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]); +void SHA384Update(SHA2_CTX *, const u_int8_t *, size_t) + __attribute__((__bounded__(__string__,2,3))); +void SHA384Pad(SHA2_CTX *); +void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *) + __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH))); +char *SHA384End(SHA2_CTX *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); +char *SHA384File(const char *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); +char *SHA384FileChunk(const char *, char *, off_t, off_t) + __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); +char *SHA384Data(const u_int8_t *, size_t, char *) + __attribute__((__bounded__(__string__,1,2))) + __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH))); + +void SHA512Init(SHA2_CTX *); +void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]); +void SHA512Update(SHA2_CTX *, const u_int8_t *, size_t) + __attribute__((__bounded__(__string__,2,3))); +void SHA512Pad(SHA2_CTX *); +void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *) + __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH))); +char *SHA512End(SHA2_CTX *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); +char *SHA512File(const char *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); +char *SHA512FileChunk(const char *, char *, off_t, off_t) + __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); +char *SHA512Data(const u_int8_t *, size_t, char *) + __attribute__((__bounded__(__string__,1,2))) + __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH))); + +void SHA512_256Init(SHA2_CTX *); +void SHA512_256Transform(u_int64_t state[8], const u_int8_t [SHA512_256_BLOCK_LENGTH]); +void SHA512_256Update(SHA2_CTX *, const u_int8_t *, size_t) + __attribute__((__bounded__(__string__,2,3))); +void SHA512_256Pad(SHA2_CTX *); +void SHA512_256Final(u_int8_t [SHA512_256_DIGEST_LENGTH], SHA2_CTX *) + __attribute__((__bounded__(__minbytes__,1,SHA512_256_DIGEST_LENGTH))); +char *SHA512_256End(SHA2_CTX *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); +char *SHA512_256File(const char *, char *) + __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); +char *SHA512_256FileChunk(const char *, char *, off_t, off_t) + __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); +char *SHA512_256Data(const u_int8_t *, size_t, char *) + __attribute__((__bounded__(__string__,1,2))) + __attribute__((__bounded__(__minbytes__,3,SHA512_256_DIGEST_STRING_LENGTH))); +__END_DECLS + +#endif /* _SHA2_H */ |