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authorbeck <>2000-12-15 02:58:47 +0000
committerbeck <>2000-12-15 02:58:47 +0000
commit9200bb13d15da4b2a23e6bc92c20e95b74aa2113 (patch)
tree5c52d628ec1e34be76e7ef2a4235d248b7c44d24 /src/lib/libcrypto/evp/e_ofb_c.c
parente131d25072e3d4197ba4b9bcc0d1b27d34d6488d (diff)
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openssl-engine-0.9.6 merge
Diffstat (limited to 'src/lib/libcrypto/evp/e_ofb_c.c')
-rw-r--r--src/lib/libcrypto/evp/e_ofb_c.c110
1 files changed, 0 insertions, 110 deletions
diff --git a/src/lib/libcrypto/evp/e_ofb_c.c b/src/lib/libcrypto/evp/e_ofb_c.c
index 971043de4c..e69de29bb2 100644
--- a/src/lib/libcrypto/evp/e_ofb_c.c
+++ b/src/lib/libcrypto/evp/e_ofb_c.c
@@ -1,110 +0,0 @@
1/* crypto/evp/e_ofb_c.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef NO_CAST
60
61#include <stdio.h>
62#include "cryptlib.h"
63#include <openssl/evp.h>
64#include <openssl/objects.h>
65
66static void cast_ofb_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
67 unsigned char *iv,int enc);
68static void cast_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
69 unsigned char *in, unsigned int inl);
70static EVP_CIPHER cast5_ofb_cipher=
71 {
72 NID_cast5_ofb64,
73 1,EVP_CAST5_KEY_SIZE,8,
74 cast_ofb_init_key,
75 cast_ofb_cipher,
76 NULL,
77 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+
78 sizeof((((EVP_CIPHER_CTX *)NULL)->c.cast_ks)),
79 EVP_CIPHER_set_asn1_iv,
80 EVP_CIPHER_get_asn1_iv,
81 };
82
83EVP_CIPHER *EVP_cast5_ofb(void)
84 {
85 return(&cast5_ofb_cipher);
86 }
87
88static void cast_ofb_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
89 unsigned char *iv, int enc)
90 {
91 ctx->num=0;
92
93 if (iv != NULL)
94 memcpy(&(ctx->oiv[0]),iv,8);
95 memcpy(&(ctx->iv[0]),&(ctx->oiv[0]),8);
96 if (key != NULL)
97 CAST_set_key(&(ctx->c.cast_ks),EVP_CAST5_KEY_SIZE,key);
98 }
99
100static void cast_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
101 unsigned char *in, unsigned int inl)
102 {
103 CAST_ofb64_encrypt(
104 in,out,
105 (long)inl, &(ctx->c.cast_ks),
106 &(ctx->iv[0]),
107 &ctx->num);
108 }
109
110#endif