diff options
Diffstat (limited to 'cipher.c')
| -rw-r--r-- | cipher.c | 37 |
1 files changed, 7 insertions, 30 deletions
@@ -35,7 +35,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: cipher.c,v 1.58 2002/06/04 23:05:49 markus Exp $"); +RCSID("$OpenBSD: cipher.c,v 1.59 2002/06/19 18:01:00 markus Exp $"); #include "xmalloc.h" #include "log.h" @@ -689,28 +689,14 @@ int cipher_get_keycontext(CipherContext *cc, u_char *dat) { Cipher *c = cc->cipher; - int plen; + int plen = 0; - if (c->number == SSH_CIPHER_3DES) { - struct ssh1_3des_ctx *desc; - desc = EVP_CIPHER_CTX_get_app_data(&cc->evp); - if (desc == NULL) - fatal("%s: no 3des context", __func__); - plen = EVP_X_STATE_LEN(desc->k1); + if (c->evptype == EVP_rc4) { + plen = EVP_X_STATE_LEN(cc->evp); if (dat == NULL) - return (3*plen); - memcpy(dat, EVP_X_STATE(desc->k1), plen); - memcpy(dat + plen, EVP_X_STATE(desc->k2), plen); - memcpy(dat + 2*plen, EVP_X_STATE(desc->k3), plen); - return (3*plen); + return (plen); + memcpy(dat, EVP_X_STATE(cc->evp), plen); } - - /* Generic EVP */ - plen = EVP_X_STATE_LEN(cc->evp); - if (dat == NULL) - return (plen); - - memcpy(dat, EVP_X_STATE(cc->evp), plen); return (plen); } @@ -720,16 +706,7 @@ cipher_set_keycontext(CipherContext *cc, u_char *dat) Cipher *c = cc->cipher; int plen; - if (c->number == SSH_CIPHER_3DES) { - struct ssh1_3des_ctx *desc; - desc = EVP_CIPHER_CTX_get_app_data(&cc->evp); - if (desc == NULL) - fatal("%s: no 3des context", __func__); - plen = EVP_X_STATE_LEN(desc->k1); - memcpy(EVP_X_STATE(desc->k1), dat, plen); - memcpy(EVP_X_STATE(desc->k2), dat + plen, plen); - memcpy(EVP_X_STATE(desc->k3), dat + 2*plen, plen); - } else { + if (c->evptype == EVP_rc4) { plen = EVP_X_STATE_LEN(cc->evp); memcpy(EVP_X_STATE(cc->evp), dat, plen); } |