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Remove SHA256 EVP wrapper implementation. 

All supported versions of OpenSSL should now have SHA256 so remove our
EVP wrapper implementaion.  ok djm@
This commit is contained in:
Darren Tucker 2017-03-29 10:50:31 +11:00
parent 5346f271fc
commit f2742a481f
3 changed files with 1 additions and 95 deletions
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2
Makefile.in
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@ -80,7 +80,7 @@ LIBSSH_OBJS=${LIBOPENSSH_OBJS} \
canohost.o channels.o cipher.o cipher-aes.o cipher-aesctr.o \
cipher-bf1.o cipher-ctr.o cipher-3des1.o cleanup.o \
compat.o crc32.o deattack.o fatal.o hostfile.o \
log.o match.o md-sha256.o moduli.o nchan.o packet.o opacket.o \
log.o match.o moduli.o nchan.o packet.o opacket.o \
readpass.o rsa.o ttymodes.o xmalloc.o addrmatch.o \
atomicio.o key.o dispatch.o mac.o uidswap.o uuencode.o misc.o utf8.o \
monitor_fdpass.o rijndael.o ssh-dss.o ssh-ecdsa.o ssh-rsa.o dh.o \

8
kex.c
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@ -54,14 +54,6 @@
#include "sshbuf.h"
#include "digest.h"
#if OPENSSL_VERSION_NUMBER >= 0x00907000L
# if defined(HAVE_EVP_SHA256)
# define evp_ssh_sha256 EVP_sha256
# else
extern const EVP_MD *evp_ssh_sha256(void);
# endif
#endif
/* prototype */
static int kex_choose_conf(struct ssh *);
static int kex_input_newkeys(int, u_int32_t, void *);

86
md-sha256.c
View File

@ -1,86 +0,0 @@
/* $OpenBSD: md-sha256.c,v 1.5 2006/08/03 03:34:42 deraadt Exp $ */
/*
* Copyright (c) 2005 Damien Miller <djm@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* EVP wrapper for SHA256 */
#include "includes.h"
#include <sys/types.h>
#include <openssl/opensslv.h>
#if !defined(HAVE_EVP_SHA256) && (OPENSSL_VERSION_NUMBER >= 0x00907000L)
#include <string.h>
#include <openssl/evp.h>
#ifdef HAVE_SHA256_UPDATE
# ifdef HAVE_SHA2_H
# include <sha2.h>
# elif defined(HAVE_CRYPTO_SHA2_H)
# include <crypto/sha2.h>
# endif
#endif
const EVP_MD *evp_ssh_sha256(void);
static int
ssh_sha256_init(EVP_MD_CTX *ctxt)
{
SHA256_Init(ctxt->md_data);
return (1);
}
static int
ssh_sha256_update(EVP_MD_CTX *ctxt, const void *data, unsigned long len)
{
SHA256_Update(ctxt->md_data, data, len);
return (1);
}
static int
ssh_sha256_final(EVP_MD_CTX *ctxt, unsigned char *digest)
{
SHA256_Final(digest, ctxt->md_data);
return (1);
}
static int
ssh_sha256_cleanup(EVP_MD_CTX *ctxt)
{
memset(ctxt->md_data, 0, sizeof(SHA256_CTX));
return (1);
}
const EVP_MD *
evp_ssh_sha256(void)
{
static EVP_MD ssh_sha256;
memset(&ssh_sha256, 0, sizeof(ssh_sha256));
ssh_sha256.type = NID_undef;
ssh_sha256.md_size = SHA256_DIGEST_LENGTH;
ssh_sha256.init = ssh_sha256_init;
ssh_sha256.update = ssh_sha256_update;
ssh_sha256.final = ssh_sha256_final;
ssh_sha256.cleanup = ssh_sha256_cleanup;
ssh_sha256.block_size = SHA256_BLOCK_LENGTH;
ssh_sha256.ctx_size = sizeof(SHA256_CTX);
return (&ssh_sha256);
}
#endif /* !defined(HAVE_EVP_SHA256) && (OPENSSL_VERSION_NUMBER >= 0x00907000L) */