wickr-crypto-c

stream_iv.h
1 /*
2 * Copyright © 2012-2020 Wickr Inc. All rights reserved.
3 *
4 * This code is being released for EDUCATIONAL, ACADEMIC, AND CODE REVIEW PURPOSES
5 * ONLY. COMMERCIAL USE OF THE CODE IS EXPRESSLY PROHIBITED. For additional details,
6 * please see LICENSE
7 *
8 * THE CODE IS MADE AVAILABLE "AS-IS" AND WITHOUT ANY EXPRESS OR
9 * IMPLIED GUARANTEES AS TO FITNESS, MERCHANTABILITY, NON-
10 * INFRINGEMENT OR OTHERWISE. IT IS NOT BEING PROVIDED IN TRADE BUT ON
11 * A VOLUNTARY BASIS ON BEHALF OF THE AUTHOR’S PART FOR THE BENEFIT
12 * OF THE LICENSEE AND IS NOT MADE AVAILABLE FOR CONSUMER USE OR ANY
13 * OTHER USE OUTSIDE THE TERMS OF THIS LICENSE. ANYONE ACCESSING THE
14 * CODE SHOULD HAVE THE REQUISITE EXPERTISE TO SECURE THEIR SYSTEM
15 * AND DEVICES AND TO ACCESS AND USE THE CODE FOR REVIEW PURPOSES
16 * ONLY. LICENSEE BEARS THE RISK OF ACCESSING AND USING THE CODE. IN
17 * PARTICULAR, AUTHOR BEARS NO LIABILITY FOR ANY INTERFERENCE WITH OR
18 * ADVERSE EFFECT THAT MAY OCCUR AS A RESULT OF THE LICENSEE
19 * ACCESSING AND/OR USING THE CODE ON LICENSEE’S SYSTEM.
20 */
21
22 #ifndef stream_iv_h
23 #define stream_iv_h
24
25 #include "crypto_engine.h"
26
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30
53 struct wickr_stream_iv {
54 wickr_crypto_engine_t engine;
55 wickr_buffer_t *seed;
56 wickr_cipher_t cipher;
57 uint64_t gen_count;
58 };
59
60 typedef struct wickr_stream_iv wickr_stream_iv_t;
61
72 wickr_stream_iv_t *wickr_stream_iv_create(const wickr_crypto_engine_t engine, wickr_cipher_t cipher);
73
83 wickr_stream_iv_t *wickr_stream_iv_copy(const wickr_stream_iv_t *iv);
84
92 void wickr_stream_iv_destroy(wickr_stream_iv_t **iv);
93
94
104 wickr_buffer_t *wickr_stream_iv_generate(wickr_stream_iv_t *iv);
105
106 #ifdef __cplusplus
107 }
108 #endif
109
110 #endif /* stream_iv_h */
wickr_stream_iv_create
wickr_stream_iv_t * wickr_stream_iv_create(const wickr_crypto_engine_t engine, wickr_cipher_t cipher)
wickr_stream_iv_destroy
void wickr_stream_iv_destroy(wickr_stream_iv_t **iv)
wickr_stream_iv_generate
wickr_buffer_t * wickr_stream_iv_generate(wickr_stream_iv_t *iv)
wickr_stream_iv_copy
wickr_stream_iv_t * wickr_stream_iv_copy(const wickr_stream_iv_t *iv)
wickr_buffer
Represents an array of bytes and the length of the allocation associated with those bytes.
Definition: buffer.h:51
wickr_cipher
Represents a cipher that can be used in the crypto_engine. This meta object holds parameters for the ...
Definition: cipher.h:56
wickr_crypto_engine
Interface to a set of cryptographic operations used throughout the library. Currently the default imp...
Definition: crypto_engine.h:53
wickr_stream_iv
A deterministic random IV generator using a 64 byte secure random seed and HMAC-SHA512.
Definition: stream_iv.h:53
wickr_stream_iv::seed
wickr_buffer_t * seed
Definition: stream_iv.h:55
wickr_stream_iv::cipher
wickr_cipher_t cipher
Definition: stream_iv.h:56
wickr_stream_iv::engine
wickr_crypto_engine_t engine
Definition: stream_iv.h:54
wickr_stream_iv::gen_count
uint64_t gen_count
Definition: stream_iv.h:57