2 * Copyright (c) 2004 The OpenBSD project
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <openssl/evp.h>
20 #if !defined(EVP_CTRL_SET_ACSS_MODE) && (OPENSSL_VERSION_NUMBER >= 0x00907000L)
24 #define data(ctx) ((EVP_ACSS_KEY *)(ctx)->cipher_data)
30 #define EVP_CTRL_SET_ACSS_MODE 0xff06
31 #define EVP_CTRL_SET_ACSS_SUBKEY 0xff07
34 acss_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
35 const unsigned char *iv, int enc)
37 acss_setkey(&data(ctx)->ks,key,enc,ACSS_DATA);
42 acss_ciph(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
45 acss(&data(ctx)->ks,inl,in,out);
50 acss_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
53 case EVP_CTRL_SET_ACSS_MODE:
54 data(ctx)->ks.mode = arg;
56 case EVP_CTRL_SET_ACSS_SUBKEY:
57 acss_setsubkey(&data(ctx)->ks,(unsigned char *)ptr);
67 static EVP_CIPHER acss_cipher;
69 memset(&acss_cipher, 0, sizeof(EVP_CIPHER));
71 acss_cipher.nid = NID_undef;
72 acss_cipher.block_size = 1;
73 acss_cipher.key_len = 5;
74 acss_cipher.init = acss_init_key;
75 acss_cipher.do_cipher = acss_ciph;
76 acss_cipher.ctx_size = sizeof(EVP_ACSS_KEY);
77 acss_cipher.ctrl = acss_ctrl;
79 return (&acss_cipher);