wickr-crypto-c
eckey.h
1 /*
2  * Copyright © 2012-2018 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
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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
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19  * ACCESSING AND/OR USING THE CODE ON LICENSEE’S SYSTEM.
20  */
21 
22 #ifndef eckey_h
23 #define eckey_h
24 
25 #include <stdlib.h>
26 #include "buffer.h"
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
38 #define P521_SIGNATURE_MAX_SIZE 143
39 
44 #define P521_PUB_KEY_MAX_SIZE 134
45 
46 typedef enum { EC_CURVE_ID_NIST_P521 } wickr_ec_curve_id;
47 
66  wickr_ec_curve_id identifier;
67  uint8_t signature_size;
68  uint8_t max_pub_size;
69 };
70 
71 typedef struct wickr_ec_curve wickr_ec_curve_t;
72 
73 static const wickr_ec_curve_t EC_CURVE_NIST_P521 = { EC_CURVE_ID_NIST_P521, P521_SIGNATURE_MAX_SIZE, P521_PUB_KEY_MAX_SIZE };
74 
90 struct wickr_ec_key {
94 };
95 
96 typedef struct wickr_ec_key wickr_ec_key_t;
97 
112 
123 
133 
144 wickr_buffer_t *wickr_ec_key_get_pubdata_fixed_len(const wickr_ec_key_t *key);
145 
155 const wickr_ec_curve_t *wickr_ec_curve_find(uint8_t identifier);
156 
157 #ifdef __cplusplus
158 }
159 #endif
160 
161 #endif /* eckey_h */
wickr_ec_curve_id identifier
Definition: eckey.h:66
wickr_buffer_t * pri_data
Definition: eckey.h:93
uint8_t signature_size
Definition: eckey.h:67
Representation of public and private Elliptic Curve Keypair information as buffers.
Definition: eckey.h:90
wickr_ec_curve_t curve
Definition: eckey.h:91
Represents an array of bytes and the length of the allocation associated with those bytes.
Definition: buffer.h:51
wickr_ec_key_t * wickr_ec_key_copy(const wickr_ec_key_t *source)
const wickr_ec_curve_t * wickr_ec_curve_find(uint8_t identifier)
void wickr_ec_key_destroy(wickr_ec_key_t **key)
wickr_ec_key_t * wickr_ec_key_create(wickr_ec_curve_t curve, wickr_buffer_t *pub_data, wickr_buffer_t *pri_data)
wickr_buffer_t * pub_data
Definition: eckey.h:92
Metadata about curve types to help with key generation, and signatures.
Definition: eckey.h:65