diff options
Diffstat (limited to 'cipher-acss.c')
-rw-r--r-- | cipher-acss.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/cipher-acss.c b/cipher-acss.c new file mode 100644 index 000000000..3a966a74d --- /dev/null +++ b/cipher-acss.c | |||
@@ -0,0 +1,84 @@ | |||
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 1.2 2004/02/06 04:26:11 dtucker 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 | |||