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make non-OpenSSL aes-ctr work on sshd w/ privsep; ok
 markus@
This commit is contained in:
djm@openbsd.org 2015-01-14 10:29:45 +00:00 committed by Damien Miller
parent 60c2c4ea5e
commit 540e891191
1 changed files with 9 additions and 1 deletions
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10
cipher.c
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@ -1,4 +1,4 @@
/* $OpenBSD: cipher.c,v 1.99 2014/06/24 01:13:21 djm Exp $ */
/* $OpenBSD: cipher.c,v 1.100 2015/01/14 10:29:45 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -512,6 +512,8 @@ cipher_get_keyiv_len(const struct sshcipher_ctx *cc)
ivlen = 24;
else if ((cc->cipher->flags & CFLAG_CHACHAPOLY) != 0)
ivlen = 0;
else if ((cc->cipher->flags & CFLAG_AESCTR) != 0)
ivlen = sizeof(cc->ac_ctx.ctr);
#ifdef WITH_OPENSSL
else
ivlen = EVP_CIPHER_CTX_iv_length(&cc->evp);
@ -532,6 +534,12 @@ cipher_get_keyiv(struct sshcipher_ctx *cc, u_char *iv, u_int len)
return SSH_ERR_INVALID_ARGUMENT;
return 0;
}
if ((cc->cipher->flags & CFLAG_AESCTR) != 0) {
if (len != sizeof(cc->ac_ctx.ctr))
return SSH_ERR_INVALID_ARGUMENT;
memcpy(iv, cc->ac_ctx.ctr, len);
return 0;
}
if ((cc->cipher->flags & CFLAG_NONE) != 0)
return 0;