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0f113f3e MC |
1 | /* |
2 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
3 | * 2000. | |
5da2f69f DSH |
4 | */ |
5 | /* ==================================================================== | |
6 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 13 | * notice, this list of conditions and the following disclaimer. |
5da2f69f DSH |
14 | * |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
7638370c RL |
59 | /* EVP_MD_CTX related stuff */ |
60 | ||
61 | struct evp_md_ctx_st { | |
62 | const EVP_MD *digest; | |
63 | ENGINE *engine; /* functional reference if 'digest' is | |
64 | * ENGINE-provided */ | |
65 | unsigned long flags; | |
66 | void *md_data; | |
67 | /* Public key context for sign/verify */ | |
68 | EVP_PKEY_CTX *pctx; | |
69 | /* Update function: usually copied from EVP_MD */ | |
70 | int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); | |
71 | } /* EVP_MD_CTX */ ; | |
72 | ||
8baf9968 RL |
73 | struct evp_cipher_ctx_st { |
74 | const EVP_CIPHER *cipher; | |
75 | ENGINE *engine; /* functional reference if 'cipher' is | |
76 | * ENGINE-provided */ | |
77 | int encrypt; /* encrypt or decrypt */ | |
78 | int buf_len; /* number we have left */ | |
79 | unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */ | |
80 | unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */ | |
81 | unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */ | |
82 | int num; /* used by cfb/ofb/ctr mode */ | |
83 | /* FIXME: Should this even exist? It appears unused */ | |
84 | void *app_data; /* application stuff */ | |
85 | int key_len; /* May change for variable length cipher */ | |
86 | unsigned long flags; /* Various flags */ | |
87 | void *cipher_data; /* per EVP data */ | |
88 | int final_used; | |
89 | int block_mask; | |
90 | unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */ | |
91 | } /* EVP_CIPHER_CTX */ ; | |
92 | ||
0f113f3e MC |
93 | int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, |
94 | int passlen, ASN1_TYPE *param, | |
95 | const EVP_CIPHER *c, const EVP_MD *md, | |
96 | int en_de); | |
a0be4fd1 RL |
97 | |
98 | struct evp_Encode_Ctx_st { | |
99 | /* number saved in a partial encode/decode */ | |
100 | int num; | |
101 | /* | |
102 | * The length is either the output line length (in input bytes) or the | |
103 | * shortest input line length that is ok. Once decoding begins, the | |
104 | * length is adjusted up each time a longer line is decoded | |
105 | */ | |
106 | int length; | |
107 | /* data to encode */ | |
108 | unsigned char enc_data[80]; | |
109 | /* number read on current line */ | |
110 | int line_num; | |
111 | int expect_nl; | |
112 | }; | |
4a1f3f27 DSH |
113 | |
114 | typedef struct evp_pbe_st EVP_PBE_CTL; | |
115 | DEFINE_STACK_OF(EVP_PBE_CTL) |