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authorDamien Miller <djm@mindrot.org>2013-01-09 16:42:47 +1100
committerDamien Miller <djm@mindrot.org>2013-01-09 16:42:47 +1100
commitd522c68872689e2e80d9667da1c9a18d04b001cd (patch)
tree418d206dc74252baf58aa08b6ce27d789f476378 /cipher.c
parent1d75abfe23cadf8cdba0bd2cfd54f3bc1ca80dc5 (diff)
downloadopenssh-git-d522c68872689e2e80d9667da1c9a18d04b001cd.tar.gz
- (djm) [cipher.c configure.ac openbsd-compat/openssl-compat.h]
Fix merge botch, automatically detect AES-GCM in OpenSSL, move a little cipher compat code to openssl-compat.h
Diffstat (limited to 'cipher.c')
-rw-r--r--cipher.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/cipher.c b/cipher.c
index cad8a2f3..e137f359 100644
--- a/cipher.c
+++ b/cipher.c
@@ -54,25 +54,18 @@
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);
-#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 const EVP_CIPHER *evp_aes_128_ctr(void);
-extern void ssh_aes_ctr_iv(EVP_CIPHER_CTX *, int, u_char *, u_int);
-#endif
struct Cipher {
char *name;
int number; /* for ssh1 only */
u_int block_size;
u_int key_len;
+ u_int iv_len; /* defaults to block_size */
+ u_int auth_len;
u_int discard_len;
u_int cbc_mode;
const EVP_CIPHER *(*evptype)(void);
} ciphers[] = {
- { NULL, SSH_CIPHER_INVALID, 0, 0, 0, 0, NULL }
-
{ "none", SSH_CIPHER_NONE, 8, 0, 0, 0, 0, 0, EVP_enc_null },
{ "des", SSH_CIPHER_DES, 8, 8, 0, 0, 0, 1, EVP_des_cbc },
{ "3des", SSH_CIPHER_3DES, 8, 16, 0, 0, 0, 1, evp_ssh1_3des },
@@ -94,10 +87,12 @@ struct Cipher {
{ "aes128-ctr", SSH_CIPHER_SSH2, 16, 16, 0, 0, 0, 0, EVP_aes_128_ctr },
{ "aes192-ctr", SSH_CIPHER_SSH2, 16, 24, 0, 0, 0, 0, EVP_aes_192_ctr },
{ "aes256-ctr", SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 0, EVP_aes_256_ctr },
+#ifdef OPENSSL_HAVE_EVPGCM
{ "aes128-gcm@openssh.com",
SSH_CIPHER_SSH2, 16, 16, 12, 16, 0, 0, EVP_aes_128_gcm },
{ "aes256-gcm@openssh.com",
SSH_CIPHER_SSH2, 16, 32, 12, 16, 0, 0, EVP_aes_256_gcm },
+#endif
#ifdef USE_CIPHER_ACSS
{ "acss@openssh.org",
SSH_CIPHER_SSH2, 16, 5, 0, 0, 0, 0, EVP_acss },
@@ -473,14 +468,6 @@ cipher_set_keyiv(CipherContext *cc, u_char *iv)
}
}
-#if OPENSSL_VERSION_NUMBER < 0x00907000L
-#define EVP_X_STATE(evp) &(evp).c
-#define EVP_X_STATE_LEN(evp) sizeof((evp).c)
-#else
-#define EVP_X_STATE(evp) (evp).cipher_data
-#define EVP_X_STATE_LEN(evp) (evp).cipher->ctx_size
-#endif
-
int
cipher_get_keycontext(const CipherContext *cc, u_char *dat)
{