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/*
* Ouroboros - Copyright (C) 2016 - 2024
*
* Cryptography
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_LIB_CRYPT_H
#define OUROBOROS_LIB_CRYPT_H
#include <ouroboros/shm_du_buff.h>
#include <ouroboros/utils.h>
#define IVSZ 16
#define SYMMKEYSZ 32
#define MSGBUFSZ 2048
struct auth_ctx;
struct crypt_ctx;
struct crypt_ctx * crypt_create_ctx(uint16_t flags,
const uint8_t * key);
void crypt_destroy_ctx(struct crypt_ctx * ctx);
int crypt_dh_pkp_create(void ** pkp,
uint8_t * pk);
void crypt_dh_pkp_destroy(void * pkp);
int crypt_dh_derive(void * pkp,
buffer_t pk,
uint8_t * s);
int crypt_encrypt(struct crypt_ctx * ctx,
buffer_t in,
buffer_t * out);
int crypt_decrypt(struct crypt_ctx * ctx,
buffer_t in,
buffer_t * out);
int crypt_load_crt_file(const char * path,
void ** crt);
int crypt_load_crt_str(const char * str,
void ** crt);
int crypt_get_pubkey_crt(void * crt,
void ** pk);
void crypt_free_crt(void * crt);
int crypt_load_privkey_file(const char * path,
void ** key);
int crypt_load_privkey_str(const char * str,
void ** key);
int crypt_load_pubkey_str(const char * str,
void ** key);
int crypt_cmp_key(const void * key1,
const void * key2);
void crypt_free_key(void * key);
int crypt_crt_str(void * crt,
char * buf);
int crypt_check_crt_name(void * crt,
const char * name);
struct auth_ctx * auth_create_ctx(void);
void auth_destroy_ctx(struct auth_ctx * ctx);
int auth_add_crt_to_store(struct auth_ctx * ctx,
void * crt);
void auth_destroy_ctx(struct auth_ctx * ctx);
int auth_verify_crt(struct auth_ctx * ctx,
void * crt);
int auth_sign(void * pkp,
buffer_t msg,
buffer_t * sig);
int auth_verify_sig(void * pk,
buffer_t msg,
buffer_t sig);
#endif /* OUROBOROS_LIB_CRYPT_H */
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