X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/0a59bd6babb21a4a0dea623cb8c72240e5c2c982..ef4d1846b878bfb37c1725433f152b749bd16480:/cipher-ctr.c

diff --git a/cipher-ctr.c b/cipher-ctr.c
index a2bab5c1..be82fd3a 100644
--- a/cipher-ctr.c
+++ b/cipher-ctr.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: cipher-ctr.c,v 1.8 2006/03/25 13:17:01 djm Exp $ */
 /*
  * Copyright (c) 2003 Markus Friedl <markus@openbsd.org>
  *
@@ -14,14 +15,16 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 #include "includes.h"
-RCSID("$OpenBSD: cipher-ctr.c,v 1.2 2003/06/17 18:14:23 markus Exp $");
 
 #include <openssl/evp.h>
 
 #include "log.h"
 #include "xmalloc.h"
 
-#if OPENSSL_VERSION_NUMBER < 0x00907000L
+/* compatibility with old or broken OpenSSL versions */
+#include "openbsd-compat/openssl-compat.h"
+
+#ifdef USE_BUILTIN_RIJNDAEL
 #include "rijndael.h"
 #define AES_KEY rijndael_ctx
 #define AES_BLOCK_SIZE 16
@@ -90,7 +93,8 @@ ssh_aes_ctr_init(EVP_CIPHER_CTX *ctx, const u_char *key, const u_char *iv,
 		EVP_CIPHER_CTX_set_app_data(ctx, c);
 	}
 	if (key != NULL)
-                AES_set_encrypt_key(key, ctx->key_len * 8, &c->aes_ctx);
+		AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
+		    &c->aes_ctx);
 	if (iv != NULL)
 		memcpy(c->aes_counter, iv, AES_BLOCK_SIZE);
 	return (1);
@@ -135,7 +139,9 @@ evp_aes_128_ctr(void)
 	aes_ctr.init = ssh_aes_ctr_init;
 	aes_ctr.cleanup = ssh_aes_ctr_cleanup;
 	aes_ctr.do_cipher = ssh_aes_ctr;
+#ifndef SSH_OLD_EVP
 	aes_ctr.flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH |
 	    EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CUSTOM_IV;
+#endif
 	return (&aes_ctr);
 }