3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
60 /* EVP_MD_CTX related stuff */
62 struct evp_md_ctx_st {
64 ENGINE *engine; /* functional reference if 'digest' is
68 /* Public key context for sign/verify */
70 /* Update function: usually copied from EVP_MD */
71 int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
74 struct evp_cipher_ctx_st {
75 const EVP_CIPHER *cipher;
76 ENGINE *engine; /* functional reference if 'cipher' is
78 int encrypt; /* encrypt or decrypt */
79 int buf_len; /* number we have left */
80 unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
81 unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
82 unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
83 int num; /* used by cfb/ofb/ctr mode */
84 /* FIXME: Should this even exist? It appears unused */
85 void *app_data; /* application stuff */
86 int key_len; /* May change for variable length cipher */
87 unsigned long flags; /* Various flags */
88 void *cipher_data; /* per EVP data */
91 unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
92 } /* EVP_CIPHER_CTX */ ;
94 int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass,
95 int passlen, ASN1_TYPE *param,
96 const EVP_CIPHER *c, const EVP_MD *md,
99 struct evp_Encode_Ctx_st {
100 /* number saved in a partial encode/decode */
103 * The length is either the output line length (in input bytes) or the
104 * shortest input line length that is ok. Once decoding begins, the
105 * length is adjusted up each time a longer line is decoded
109 unsigned char enc_data[80];
110 /* number read on current line */
115 typedef struct evp_pbe_st EVP_PBE_CTL;
116 DEFINE_STACK_OF(EVP_PBE_CTL)