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[dragonfly.git] / crypto / openssh-5 / cipher-acss.c
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1 /*
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.
17 #include "includes.h"
19 #include <openssl/evp.h>
21 #include <string.h>
23 #if !defined(EVP_CTRL_SET_ACSS_MODE) && (OPENSSL_VERSION_NUMBER >= 0x00907000L)
25 #include "acss.h"
27 #define data(ctx) ((EVP_ACSS_KEY *)(ctx)->cipher_data)
29 typedef struct {
30 ACSS_KEY ks;
31 } EVP_ACSS_KEY;
33 #define EVP_CTRL_SET_ACSS_MODE 0xff06
34 #define EVP_CTRL_SET_ACSS_SUBKEY 0xff07
36 static int
37 acss_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
38 const unsigned char *iv, int enc)
40 acss_setkey(&data(ctx)->ks,key,enc,ACSS_DATA);
41 return 1;
44 static int
45 acss_ciph(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
46 unsigned int inl)
48 acss(&data(ctx)->ks,inl,in,out);
49 return 1;
52 static int
53 acss_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
55 switch(type) {
56 case EVP_CTRL_SET_ACSS_MODE:
57 data(ctx)->ks.mode = arg;
58 return 1;
59 case EVP_CTRL_SET_ACSS_SUBKEY:
60 acss_setsubkey(&data(ctx)->ks,(unsigned char *)ptr);
61 return 1;
62 default:
63 return -1;
67 const EVP_CIPHER *
68 evp_acss(void)
70 static EVP_CIPHER acss_cipher;
72 memset(&acss_cipher, 0, sizeof(EVP_CIPHER));
74 acss_cipher.nid = NID_undef;
75 acss_cipher.block_size = 1;
76 acss_cipher.key_len = 5;
77 acss_cipher.init = acss_init_key;
78 acss_cipher.do_cipher = acss_ciph;
79 acss_cipher.ctx_size = sizeof(EVP_ACSS_KEY);
80 acss_cipher.ctrl = acss_ctrl;
82 return (&acss_cipher);
84 #endif