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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/evp/evp_locl.h
209577b7c2234200390ec5b44a506796ac427ca9
2 * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* EVP_MD_CTX related stuff */
12 struct evp_md_ctx_st
{
14 ENGINE
*engine
; /* functional reference if 'digest' is
18 /* Public key context for sign/verify */
20 /* Update function: usually copied from EVP_MD */
21 int (*update
) (EVP_MD_CTX
*ctx
, const void *data
, size_t count
);
24 struct evp_cipher_ctx_st
{
25 const EVP_CIPHER
*cipher
;
26 ENGINE
*engine
; /* functional reference if 'cipher' is
28 int encrypt
; /* encrypt or decrypt */
29 int buf_len
; /* number we have left */
30 unsigned char oiv
[EVP_MAX_IV_LENGTH
]; /* original iv */
31 unsigned char iv
[EVP_MAX_IV_LENGTH
]; /* working iv */
32 unsigned char buf
[EVP_MAX_BLOCK_LENGTH
]; /* saved partial block */
33 int num
; /* used by cfb/ofb/ctr mode */
34 /* FIXME: Should this even exist? It appears unused */
35 void *app_data
; /* application stuff */
36 int key_len
; /* May change for variable length cipher */
37 unsigned long flags
; /* Various flags */
38 void *cipher_data
; /* per EVP data */
41 unsigned char final
[EVP_MAX_BLOCK_LENGTH
]; /* possible final block */
42 } /* EVP_CIPHER_CTX */ ;
44 int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX
*ctx
, const char *pass
,
45 int passlen
, ASN1_TYPE
*param
,
46 const EVP_CIPHER
*c
, const EVP_MD
*md
,
49 struct evp_Encode_Ctx_st
{
50 /* number saved in a partial encode/decode */
53 * The length is either the output line length (in input bytes) or the
54 * shortest input line length that is ok. Once decoding begins, the
55 * length is adjusted up each time a longer line is decoded
59 unsigned char enc_data
[80];
60 /* number read on current line */
65 typedef struct evp_pbe_st EVP_PBE_CTL
;
66 DEFINE_STACK_OF(EVP_PBE_CTL
)
68 int is_partially_overlapping(const void *ptr1
, const void *ptr2
, int len
);