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-rw-r--r--openbsd-compat/sha2.h174
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diff --git a/openbsd-compat/sha2.h b/openbsd-compat/sha2.h
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+/* $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 $
+ */
+
+/* OPENBSD ORIGINAL: include/sha2.h */
+
+#ifndef _SSHSHA2_H
+#define _SSHSHA2_H
+
+#include "includes.h"
+
+#if !defined(HAVE_SHA256UPDATE) || !defined(HAVE_SHA384UPDATE) || \
+ !defined(HAVE_SHA512UPDATE)
+
+/*** 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;
+
+#if 0
+__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)));
+#endif /* 0 */
+
+#ifndef HAVE_SHA256UPDATE
+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)));
+#endif /* HAVE_SHA256UPDATE */
+
+#ifndef HAVE_SHA384UPDATE
+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)));
+#endif /* HAVE_SHA384UPDATE */
+
+#ifndef HAVE_SHA512UPDATE
+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 /* HAVE_SHA512UPDATE */
+
+#if 0
+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 /* 0 */
+
+#endif /* HAVE_SHA{256,384,512}UPDATE */
+
+#endif /* _SSHSHA2_H */