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57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* Secure eXtended Message Passing framework
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* Secure eXtended Transport layer implementation: (libsxt)
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* - very similar to SSH2/TLS
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* - using already proven and tested crypto algos
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* - better than TLS for message passing
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*
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* Some useful wrappers and structures
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*
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* (c) Alexander Vdolainen 2016 <avdolainen@zoho.com>
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*
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* libsxmp is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* libsxmp is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.";
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*
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*/
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#ifndef __SXT_SXTCRYPT_H__
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#define __SXT_SXTCRYPT_H__
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#include <openssl/sha.h>
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typedef SHA512_CTX* SHA512CTX;
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#define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
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struct _lcrypt_cipher_priv
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{
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void *key;
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void *ivec;
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};
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int lcrypt_init_ciphers(void);
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void lcrypt_cleanup_keystub(sxt_cipher_t *);
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int lcrypt_alloc_keystub(sxt_cipher_t *);
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/* sxt wrapper around random numbers */
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int sxt_get_random(void *data, int len, int pseudo);
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/* wrappers around SHA512 */
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SHA512CTX sha512_init(void);
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void sha512_update(SHA512CTX c, const void *data, unsigned long len);
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void sha512_final(unsigned char *md, SHA512CTX c);
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int lcrypt_reseed(void);
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#endif
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