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authorDamien Miller <djm@mindrot.org>2012-12-13 08:18:56 +1100
committerDamien Miller <djm@mindrot.org>2012-12-13 08:18:56 +1100
commit25a02b0c95e01bc331267a1db0f62d3cbd7a0897 (patch)
treee968ae08dad316203054e909841d3b8367cc3b79 /cipher.c
parent8c05da3326fef892d993f0cd91808f2daf4d6a5f (diff)
downloadopenssh-git-25a02b0c95e01bc331267a1db0f62d3cbd7a0897.tar.gz
- (djm) [configure.ac cipher-ctr.c] Adapt EVP AES CTR change to retain our
compat code for older OpenSSL
Diffstat (limited to 'cipher.c')
-rw-r--r--cipher.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/cipher.c b/cipher.c
index 2116b55b..d15c226a 100644
--- a/cipher.c
+++ b/cipher.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cipher.c,v 1.83 2012/12/11 22:31:18 markus Exp $ */
+/* $OpenBSD: cipher.c,v 1.84 2012/12/12 16:46:10 naddy Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -54,8 +54,12 @@
extern const EVP_CIPHER *evp_ssh1_bf(void);
extern const EVP_CIPHER *evp_ssh1_3des(void);
extern void ssh1_3des_iv(EVP_CIPHER_CTX *, int, u_char *, int);
-extern const EVP_CIPHER *evp_aes_128_ctr(void);
+#ifndef OPENSSL_HAVE_EVPCTR
+#define EVP_aes_128_ctr evp_aes_128_ctr
+#define EVP_aes_192_ctr evp_aes_128_ctr
+#define EVP_aes_256_ctr evp_aes_128_ctr
extern void ssh_aes_ctr_iv(EVP_CIPHER_CTX *, int, u_char *, u_int);
+#endif
struct Cipher {
char *name;
@@ -82,9 +86,9 @@ struct Cipher {
{ "aes256-cbc", SSH_CIPHER_SSH2, 16, 32, 0, 1, EVP_aes_256_cbc },
{ "rijndael-cbc@lysator.liu.se",
SSH_CIPHER_SSH2, 16, 32, 0, 1, EVP_aes_256_cbc },
- { "aes128-ctr", SSH_CIPHER_SSH2, 16, 16, 0, 0, evp_aes_128_ctr },
- { "aes192-ctr", SSH_CIPHER_SSH2, 16, 24, 0, 0, evp_aes_128_ctr },
- { "aes256-ctr", SSH_CIPHER_SSH2, 16, 32, 0, 0, evp_aes_128_ctr },
+ { "aes128-ctr", SSH_CIPHER_SSH2, 16, 16, 0, 0, EVP_aes_128_ctr },
+ { "aes192-ctr", SSH_CIPHER_SSH2, 16, 24, 0, 0, EVP_aes_192_ctr },
+ { "aes256-ctr", SSH_CIPHER_SSH2, 16, 32, 0, 0, EVP_aes_256_ctr },
#ifdef USE_CIPHER_ACSS
{ "acss@openssh.org", SSH_CIPHER_SSH2, 16, 5, 0, 0, EVP_acss },
#endif
@@ -363,10 +367,12 @@ cipher_get_keyiv(CipherContext *cc, u_char *iv, u_int len)
ssh_rijndael_iv(&cc->evp, 0, iv, len);
else
#endif
+#ifndef OPENSSL_HAVE_EVPCTR
if (c->evptype == evp_aes_128_ctr)
ssh_aes_ctr_iv(&cc->evp, 0, iv, len);
else
- memcpy(iv, cc->evp.iv, len);
+#endif
+ memcpy(iv, cc->evp.iv, len);
break;
case SSH_CIPHER_3DES:
ssh1_3des_iv(&cc->evp, 0, iv, 24);
@@ -394,10 +400,12 @@ cipher_set_keyiv(CipherContext *cc, u_char *iv)
ssh_rijndael_iv(&cc->evp, 1, iv, evplen);
else
#endif
+#ifndef OPENSSL_HAVE_EVPCTR
if (c->evptype == evp_aes_128_ctr)
ssh_aes_ctr_iv(&cc->evp, 1, iv, evplen);
else
- memcpy(cc->evp.iv, iv, evplen);
+#endif
+ memcpy(cc->evp.iv, iv, evplen);
break;
case SSH_CIPHER_3DES:
ssh1_3des_iv(&cc->evp, 1, iv, 24);