version 1.71, 2004/07/28 09:40:29 |
version 1.71.2.1, 2005/03/10 16:28:27 |
|
|
|
|
#include <openssl/md5.h> |
#include <openssl/md5.h> |
|
|
#if OPENSSL_VERSION_NUMBER < 0x00907000L |
|
extern const EVP_CIPHER *evp_rijndael(void); |
|
extern void ssh_rijndael_iv(EVP_CIPHER_CTX *, int, u_char *, u_int); |
|
#endif |
|
extern const EVP_CIPHER *evp_ssh1_bf(void); |
extern const EVP_CIPHER *evp_ssh1_bf(void); |
extern const EVP_CIPHER *evp_ssh1_3des(void); |
extern const EVP_CIPHER *evp_ssh1_3des(void); |
extern void ssh1_3des_iv(EVP_CIPHER_CTX *, int, u_char *, int); |
extern void ssh1_3des_iv(EVP_CIPHER_CTX *, int, u_char *, int); |
|
|
{ "blowfish-cbc", SSH_CIPHER_SSH2, 8, 16, EVP_bf_cbc }, |
{ "blowfish-cbc", SSH_CIPHER_SSH2, 8, 16, EVP_bf_cbc }, |
{ "cast128-cbc", SSH_CIPHER_SSH2, 8, 16, EVP_cast5_cbc }, |
{ "cast128-cbc", SSH_CIPHER_SSH2, 8, 16, EVP_cast5_cbc }, |
{ "arcfour", SSH_CIPHER_SSH2, 8, 16, EVP_rc4 }, |
{ "arcfour", SSH_CIPHER_SSH2, 8, 16, EVP_rc4 }, |
#if OPENSSL_VERSION_NUMBER < 0x00907000L |
|
{ "aes128-cbc", SSH_CIPHER_SSH2, 16, 16, evp_rijndael }, |
|
{ "aes192-cbc", SSH_CIPHER_SSH2, 16, 24, evp_rijndael }, |
|
{ "aes256-cbc", SSH_CIPHER_SSH2, 16, 32, evp_rijndael }, |
|
{ "rijndael-cbc@lysator.liu.se", |
|
SSH_CIPHER_SSH2, 16, 32, evp_rijndael }, |
|
#else |
|
{ "aes128-cbc", SSH_CIPHER_SSH2, 16, 16, EVP_aes_128_cbc }, |
{ "aes128-cbc", SSH_CIPHER_SSH2, 16, 16, EVP_aes_128_cbc }, |
{ "aes192-cbc", SSH_CIPHER_SSH2, 16, 24, EVP_aes_192_cbc }, |
{ "aes192-cbc", SSH_CIPHER_SSH2, 16, 24, EVP_aes_192_cbc }, |
{ "aes256-cbc", SSH_CIPHER_SSH2, 16, 32, EVP_aes_256_cbc }, |
{ "aes256-cbc", SSH_CIPHER_SSH2, 16, 32, EVP_aes_256_cbc }, |
{ "rijndael-cbc@lysator.liu.se", |
{ "rijndael-cbc@lysator.liu.se", |
SSH_CIPHER_SSH2, 16, 32, EVP_aes_256_cbc }, |
SSH_CIPHER_SSH2, 16, 32, EVP_aes_256_cbc }, |
#endif |
|
{ "aes128-ctr", SSH_CIPHER_SSH2, 16, 16, evp_aes_128_ctr }, |
{ "aes128-ctr", SSH_CIPHER_SSH2, 16, 16, evp_aes_128_ctr }, |
{ "aes192-ctr", SSH_CIPHER_SSH2, 16, 24, evp_aes_128_ctr }, |
{ "aes192-ctr", SSH_CIPHER_SSH2, 16, 24, evp_aes_128_ctr }, |
{ "aes256-ctr", SSH_CIPHER_SSH2, 16, 32, evp_aes_128_ctr }, |
{ "aes256-ctr", SSH_CIPHER_SSH2, 16, 32, evp_aes_128_ctr }, |
|
|
{ |
{ |
Cipher *c; |
Cipher *c; |
for (c = ciphers; c->name != NULL; c++) |
for (c = ciphers; c->name != NULL; c++) |
if (strcasecmp(c->name, name) == 0) |
if (strcmp(c->name, name) == 0) |
return c; |
return c; |
return NULL; |
return NULL; |
} |
} |
|
|
Cipher *c; |
Cipher *c; |
if (name == NULL) |
if (name == NULL) |
return -1; |
return -1; |
c = cipher_by_name(name); |
for (c = ciphers; c->name != NULL; c++) |
return (c==NULL) ? -1 : c->number; |
if (strcasecmp(c->name, name) == 0) |
|
return c->number; |
|
return -1; |
} |
} |
|
|
char * |
char * |
|
|
if (evplen != len) |
if (evplen != len) |
fatal("%s: wrong iv length %d != %d", __func__, |
fatal("%s: wrong iv length %d != %d", __func__, |
evplen, len); |
evplen, len); |
#if OPENSSL_VERSION_NUMBER < 0x00907000L |
|
if (c->evptype == evp_rijndael) |
|
ssh_rijndael_iv(&cc->evp, 0, iv, len); |
|
else |
|
#endif |
|
if (c->evptype == evp_aes_128_ctr) |
if (c->evptype == evp_aes_128_ctr) |
ssh_aes_ctr_iv(&cc->evp, 0, iv, len); |
ssh_aes_ctr_iv(&cc->evp, 0, iv, len); |
else |
else |
|
|
evplen = EVP_CIPHER_CTX_iv_length(&cc->evp); |
evplen = EVP_CIPHER_CTX_iv_length(&cc->evp); |
if (evplen == 0) |
if (evplen == 0) |
return; |
return; |
#if OPENSSL_VERSION_NUMBER < 0x00907000L |
|
if (c->evptype == evp_rijndael) |
|
ssh_rijndael_iv(&cc->evp, 1, iv, evplen); |
|
else |
|
#endif |
|
if (c->evptype == evp_aes_128_ctr) |
if (c->evptype == evp_aes_128_ctr) |
ssh_aes_ctr_iv(&cc->evp, 1, iv, evplen); |
ssh_aes_ctr_iv(&cc->evp, 1, iv, evplen); |
else |
else |
|
|
} |
} |
} |
} |
|
|
#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(evp) (evp).cipher_data |
#define EVP_X_STATE_LEN(evp) (evp).cipher->ctx_size |
#define EVP_X_STATE_LEN(evp) (evp).cipher->ctx_size |
#endif |
|
|
|
int |
int |
cipher_get_keycontext(const CipherContext *cc, u_char *dat) |
cipher_get_keycontext(const CipherContext *cc, u_char *dat) |