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Diffstat (limited to 'include')
| -rw-r--r-- | include/ouroboros/crypt.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/ouroboros/crypt.h b/include/ouroboros/crypt.h new file mode 100644 index 00000000..dd58d798 --- /dev/null +++ b/include/ouroboros/crypt.h @@ -0,0 +1,56 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2023 + * + * 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> + +#define SYMMKEYSZ 32 + +struct crypt_info { + uint16_t flags; + void * ctx; + uint8_t key[SYMMKEYSZ]; +}; + +int crypt_dh_pkp_create(void ** pkp, + uint8_t * pk); + +void crypt_dh_pkp_destroy(void * pkp); + +int crypt_dh_derive(void * pkp, + uint8_t * pk, + size_t len, + uint8_t * s); + +int crypt_encrypt(struct crypt_info * info, + struct shm_du_buff * sdb); + +int crypt_decrypt(struct crypt_info * info, + struct shm_du_buff * sdb); + +int crypt_init(struct crypt_info * info); + +void crypt_fini(struct crypt_info * info); + +#endif /* OUROBOROS_LIB_CRYPT_H */
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