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- /* $OpenBSD: sha2.h,v 1.8 2012/12/05 23:19:57 deraadt 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)
-
-
- /*** 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;
-
- 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)));
-
- #endif /* _SHA2_H */
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