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Diffstat (limited to 'engines/ccgost/crypt.h')
| -rw-r--r-- | engines/ccgost/crypt.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/engines/ccgost/crypt.h b/engines/ccgost/crypt.h new file mode 100644 index 0000000000..bdd3dc08a8 --- /dev/null +++ b/engines/ccgost/crypt.h @@ -0,0 +1,62 @@ +/********************************************************************** + * gost_crypt.h * + * Copyright (c) 2005-2006 Cryptocom LTD * + * This file is distributed under the same license as OpenSSL * + * * + * Declarations for GOST 28147-89 encryption algorithm * + * OpenSSL 0.9.9 libraries required * + **********************************************************************/ +#ifndef GOST_CRYPT_H +#define GOST_CRYPT_H +#include <unistd.h> +#include <openssl/err.h> +#include <openssl/evp.h> +#include "gost89.h" +#ifdef __cplusplus + extern "C" { +#endif +/* Cipher context used for EVP_CIPHER operation */ +struct ossl_gost_cipher_ctx { + int paramNID; + off_t count; + int key_meshing; + gost_ctx cctx; +}; +/* Structure to map parameter NID to S-block */ +struct gost_cipher_info { + int nid; + gost_subst_block *sblock; + int key_meshing; +}; +#ifdef USE_SSL +/* Context for MAC */ +struct ossl_gost_imit_ctx { + gost_ctx cctx; + unsigned char buffer[8]; + unsigned char partial_block[8]; + off_t count; + int key_meshing; + int bytes_left; + int key_set; +}; +#endif +/* Table which maps parameter NID to S-blocks */ +extern struct gost_cipher_info gost_cipher_list[]; +/* Find encryption params from ASN1_OBJECT */ +const struct gost_cipher_info *get_encryption_params(ASN1_OBJECT *obj); +/* Implementation of GOST 28147-89 cipher in CFB and CNT modes */ +extern EVP_CIPHER cipher_gost; +#ifdef USE_SSL +#define EVP_MD_FLAG_NEEDS_KEY 0x20 +#define EVP_MD_CTRL_GET_TLS_MAC_KEY_LENGTH (EVP_MD_CTRL_ALG_CTRL+1) +#define EVP_MD_CTRL_SET_KEY (EVP_MD_CTRL_ALG_CTRL+2) +/* Ciphers and MACs specific for GOST TLS draft */ +extern EVP_CIPHER cipher_gost_vizircfb; +extern EVP_CIPHER cipher_gost_cpacnt; +extern EVP_MD imit_gost_vizir; +extern EVP_MD imit_gost_cpa; +#endif +#ifdef __cplusplus + }; +#endif +#endif |