diff options
Diffstat (limited to 'cipher.c')
-rw-r--r-- | cipher.c | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -41,6 +41,10 @@ RCSID("$OpenBSD: cipher.c,v 1.52 2002/02/18 13:05:32 markus Exp $"); #include "log.h" #include "cipher.h" +#if OPENSSL_VERSION_NUMBER <= 0x0090600fL +#define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data) +#endif + #include <openssl/md5.h> #include "rijndael.h" @@ -196,6 +200,7 @@ cipher_init(CipherContext *cc, Cipher *cipher, type = (*cipher->evptype)(); EVP_CIPHER_CTX_init(&cc->evp); +#if OPENSSL_VERSION_NUMBER > 0x0090600fL if (EVP_CipherInit(&cc->evp, type, NULL, (u_char *)iv, (encrypt == CIPHER_ENCRYPT)) == 0) fatal("cipher_init: EVP_CipherInit failed for %s", @@ -210,6 +215,10 @@ cipher_init(CipherContext *cc, Cipher *cipher, if (EVP_CipherInit(&cc->evp, NULL, (u_char *)key, NULL, -1) == 0) fatal("cipher_init: EVP_CipherInit: set key failed for %s", cipher->name); +#else + EVP_CipherInit(&cc->evp, type, (u_char *)key, (u_char *)iv, + (encrypt == CIPHER_ENCRYPT)); +#endif } void @@ -217,15 +226,23 @@ cipher_crypt(CipherContext *cc, u_char *dest, const u_char *src, u_int len) { if (len % cc->cipher->block_size) fatal("cipher_encrypt: bad plaintext length %d", len); +#if OPENSSL_VERSION_NUMBER > 0x0090600fL if (EVP_Cipher(&cc->evp, dest, (u_char *)src, len) == 0) fatal("evp_crypt: EVP_Cipher failed"); +#else + EVP_Cipher(&cc->evp, dest, (u_char *)src, len); +#endif } void cipher_cleanup(CipherContext *cc) { +#if OPENSSL_VERSION_NUMBER > 0x0090600fL if (EVP_CIPHER_CTX_cleanup(&cc->evp) == 0) error("cipher_cleanup: EVP_CIPHER_CTX_cleanup failed"); +#else + EVP_CIPHER_CTX_cleanup(&cc->evp); +#endif } /* @@ -296,6 +313,7 @@ ssh1_3des_init(EVP_CIPHER_CTX *ctx, const u_char *key, const u_char *iv, EVP_CIPHER_CTX_init(&c->k1); EVP_CIPHER_CTX_init(&c->k2); EVP_CIPHER_CTX_init(&c->k3); +#if OPENSSL_VERSION_NUMBER > 0x0090600fL if (EVP_CipherInit(&c->k1, EVP_des_cbc(), k1, NULL, enc) == 0 || EVP_CipherInit(&c->k2, EVP_des_cbc(), k2, NULL, !enc) == 0 || EVP_CipherInit(&c->k3, EVP_des_cbc(), k3, NULL, enc) == 0) { @@ -304,6 +322,11 @@ ssh1_3des_init(EVP_CIPHER_CTX *ctx, const u_char *key, const u_char *iv, EVP_CIPHER_CTX_set_app_data(ctx, NULL); return (0); } +#else + EVP_CipherInit(&c->k1, EVP_des_cbc(), k1, NULL, enc); + EVP_CipherInit(&c->k2, EVP_des_cbc(), k2, NULL, !enc); + EVP_CipherInit(&c->k3, EVP_des_cbc(), k3, NULL, enc); +#endif return (1); } static int @@ -315,10 +338,16 @@ ssh1_3des_cbc(EVP_CIPHER_CTX *ctx, u_char *dest, const u_char *src, u_int len) error("ssh1_3des_cbc: no context"); return (0); } +#if OPENSSL_VERSION_NUMBER > 0x0090600fL if (EVP_Cipher(&c->k1, dest, (u_char *)src, len) == 0 || EVP_Cipher(&c->k2, dest, dest, len) == 0 || EVP_Cipher(&c->k3, dest, dest, len) == 0) return (0); +#else + EVP_Cipher(&c->k1, dest, (u_char *)src, len); + EVP_Cipher(&c->k2, dest, dest, len); + EVP_Cipher(&c->k3, dest, dest, len); +#endif return (1); } static int @@ -346,7 +375,9 @@ evp_ssh1_3des(void) ssh1_3des.init = ssh1_3des_init; ssh1_3des.cleanup = ssh1_3des_cleanup; ssh1_3des.do_cipher = ssh1_3des_cbc; +#if OPENSSL_VERSION_NUMBER > 0x0090600fL ssh1_3des.flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH; +#endif return (&ssh1_3des); } @@ -494,7 +525,9 @@ evp_rijndael(void) rijndal_cbc.init = ssh_rijndael_init; rijndal_cbc.cleanup = ssh_rijndael_cleanup; rijndal_cbc.do_cipher = ssh_rijndael_cbc; +#if OPENSSL_VERSION_NUMBER > 0x0090600fL rijndal_cbc.flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_ALWAYS_CALL_INIT; +#endif return (&rijndal_cbc); } |