1 | /* |
---|
2 | * Copyright (c) 2004 The OpenBSD project |
---|
3 | * |
---|
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. |
---|
7 | * |
---|
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. |
---|
15 | */ |
---|
16 | |
---|
17 | #include "includes.h" |
---|
18 | #include <openssl/evp.h> |
---|
19 | |
---|
20 | RCSID("$Id: cipher-acss.c,v 1.1.1.1 2006-11-30 21:21:03 ghudson Exp $"); |
---|
21 | |
---|
22 | #if !defined(EVP_CTRL_SET_ACSS_MODE) && (OPENSSL_VERSION_NUMBER >= 0x00907000L) |
---|
23 | |
---|
24 | #include "acss.h" |
---|
25 | |
---|
26 | #define data(ctx) ((EVP_ACSS_KEY *)(ctx)->cipher_data) |
---|
27 | |
---|
28 | typedef struct { |
---|
29 | ACSS_KEY ks; |
---|
30 | } EVP_ACSS_KEY; |
---|
31 | |
---|
32 | #define EVP_CTRL_SET_ACSS_MODE 0xff06 |
---|
33 | #define EVP_CTRL_SET_ACSS_SUBKEY 0xff07 |
---|
34 | |
---|
35 | static int |
---|
36 | acss_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
---|
37 | const unsigned char *iv, int enc) |
---|
38 | { |
---|
39 | acss_setkey(&data(ctx)->ks,key,enc,ACSS_DATA); |
---|
40 | return 1; |
---|
41 | } |
---|
42 | |
---|
43 | static int |
---|
44 | acss_ciph(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, |
---|
45 | unsigned int inl) |
---|
46 | { |
---|
47 | acss(&data(ctx)->ks,inl,in,out); |
---|
48 | return 1; |
---|
49 | } |
---|
50 | |
---|
51 | static int |
---|
52 | acss_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) |
---|
53 | { |
---|
54 | switch(type) { |
---|
55 | case EVP_CTRL_SET_ACSS_MODE: |
---|
56 | data(ctx)->ks.mode = arg; |
---|
57 | return 1; |
---|
58 | case EVP_CTRL_SET_ACSS_SUBKEY: |
---|
59 | acss_setsubkey(&data(ctx)->ks,(unsigned char *)ptr); |
---|
60 | return 1; |
---|
61 | default: |
---|
62 | return -1; |
---|
63 | } |
---|
64 | } |
---|
65 | |
---|
66 | const EVP_CIPHER * |
---|
67 | evp_acss(void) |
---|
68 | { |
---|
69 | static EVP_CIPHER acss_cipher; |
---|
70 | |
---|
71 | memset(&acss_cipher, 0, sizeof(EVP_CIPHER)); |
---|
72 | |
---|
73 | acss_cipher.nid = NID_undef; |
---|
74 | acss_cipher.block_size = 1; |
---|
75 | acss_cipher.key_len = 5; |
---|
76 | acss_cipher.init = acss_init_key; |
---|
77 | acss_cipher.do_cipher = acss_ciph; |
---|
78 | acss_cipher.ctx_size = sizeof(EVP_ACSS_KEY); |
---|
79 | acss_cipher.ctrl = acss_ctrl; |
---|
80 | |
---|
81 | return (&acss_cipher); |
---|
82 | } |
---|
83 | #endif |
---|
84 | |
---|