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- djm@cvs.openbsd.org 2014/07/03 03:26:43 

[digest-openssl.c]
     use EVP_Digest() for one-shot hash instead of creating, updating,
     finalising and destroying a context.
     bz#2231, based on patch from Timo Teras
This commit is contained in:
Damien Miller 2014-07-03 21:23:24 +10:00
parent d7ca2cd31e
commit c174a3b7c1
2 changed files with 16 additions and 8 deletions
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5
ChangeLog
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@ -20,6 +20,11 @@
ssh-add fatal()s part-way through (e.g. when listing keys from an ssh-add fatal()s part-way through (e.g. when listing keys from an
agent that supports key types that ssh-add doesn't); agent that supports key types that ssh-add doesn't);
bz#2234, reported by Phil Pennock bz#2234, reported by Phil Pennock
- djm@cvs.openbsd.org 2014/07/03 03:26:43
[digest-openssl.c]
use EVP_Digest() for one-shot hash instead of creating, updating,
finalising and destroying a context.
bz#2231, based on patch from Timo Teras
20140702 20140702
- OpenBSD CVS Sync - OpenBSD CVS Sync

19
digest-openssl.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: digest-openssl.c,v 1.3 2014/06/24 01:13:21 djm Exp $ */ /* $OpenBSD: digest-openssl.c,v 1.4 2014/07/03 03:26:43 djm Exp $ */
/* /*
* Copyright (c) 2013 Damien Miller <djm@mindrot.org> * Copyright (c) 2013 Damien Miller <djm@mindrot.org>
* *
@ -153,15 +153,18 @@ ssh_digest_free(struct ssh_digest_ctx *ctx)
int int
ssh_digest_memory(int alg, const void *m, size_t mlen, u_char *d, size_t dlen) ssh_digest_memory(int alg, const void *m, size_t mlen, u_char *d, size_t dlen)
{ {
struct ssh_digest_ctx *ctx = ssh_digest_start(alg); const struct ssh_digest *digest = ssh_digest_by_alg(alg);
int r; u_int mdlen;
if (ctx == NULL) if (digest == NULL)
return SSH_ERR_INVALID_ARGUMENT; return SSH_ERR_INVALID_ARGUMENT;
if ((r = ssh_digest_update(ctx, m, mlen) != 0) || if (dlen > UINT_MAX)
(r = ssh_digest_final(ctx, d, dlen) != 0)) return SSH_ERR_INVALID_ARGUMENT;
return r; if (dlen < digest->digest_len)
ssh_digest_free(ctx); return SSH_ERR_INVALID_ARGUMENT;
mdlen = dlen;
if (!EVP_Digest(m, mlen, d, &mdlen, digest->mdfunc(), NULL))
return SSH_ERR_LIBCRYPTO_ERROR;
return 0; return 0;
} }