Lightweight Cryptography Primitives
 All Data Structures Files Functions Variables Typedefs Macros Pages
elephant-dumbo.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2021 Southern Storm Software, Pty Ltd.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included
12  * in all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 
23 #ifndef LWCRYPTO_ELEPHANT_DUMBO_H
24 #define LWCRYPTO_ELEPHANT_DUMBO_H
25 
26 #include <stddef.h>
27 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
46 #define DUMBO_KEY_SIZE 16
47 
51 #define DUMBO_TAG_SIZE 8
52 
56 #define DUMBO_NONCE_SIZE 12
57 
79  (unsigned char *c, size_t *clen,
80  const unsigned char *m, size_t mlen,
81  const unsigned char *ad, size_t adlen,
82  const unsigned char *npub,
83  const unsigned char *k);
84 
107  (unsigned char *m, size_t *mlen,
108  const unsigned char *c, size_t clen,
109  const unsigned char *ad, size_t adlen,
110  const unsigned char *npub,
111  const unsigned char *k);
112 
113 #ifdef __cplusplus
114 }
115 #endif
116 
117 #endif
int dumbo_aead_encrypt(unsigned char *c, size_t *clen, const unsigned char *m, size_t mlen, const unsigned char *ad, size_t adlen, const unsigned char *npub, const unsigned char *k)
Encrypts and authenticates a packet with Dumbo.
int dumbo_aead_decrypt(unsigned char *m, size_t *mlen, const unsigned char *c, size_t clen, const unsigned char *ad, size_t adlen, const unsigned char *npub, const unsigned char *k)
Decrypts and authenticates a packet with Dumbo.