File Coverage

src/ec/ec_all_m15.c

Criterion	Covered	Total	%
statement	0	48	0.0
branch			n/a
condition			n/a
subroutine			n/a
pod			n/a
total	0	48	0.0

line	stmt	code
1		/*
2		* Copyright (c) 2017 Thomas Pornin
3		*
4		* Permission is hereby granted, free of charge, to any person obtaining
5		* a copy of this software and associated documentation files (the
6		* "Software"), to deal in the Software without restriction, including
7		* without limitation the rights to use, copy, modify, merge, publish,
8		* distribute, sublicense, and/or sell copies of the Software, and to
9		* permit persons to whom the Software is furnished to do so, subject to
10		* the following conditions:
11		*
12		* The above copyright notice and this permission notice shall be
13		* included in all copies or substantial portions of the Software.
14		*
15		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16		* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17		* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18		* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19		* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20		* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21		* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22		* SOFTWARE.
23		*/
24
25		#include "inner.h"
26
27		static const unsigned char *
28	0	api_generator(int curve, size_t *len)
29		{
30	0	switch (curve) {
31	0	case BR_EC_secp256r1:
32	0	return br_ec_p256_m15.generator(curve, len);
33	0	case BR_EC_curve25519:
34	0	return br_ec_c25519_m15.generator(curve, len);
35	0	default:
36	0	return br_ec_prime_i15.generator(curve, len);
37		}
38		}
39
40		static const unsigned char *
41	0	api_order(int curve, size_t *len)
42		{
43	0	switch (curve) {
44	0	case BR_EC_secp256r1:
45	0	return br_ec_p256_m15.order(curve, len);
46	0	case BR_EC_curve25519:
47	0	return br_ec_c25519_m15.order(curve, len);
48	0	default:
49	0	return br_ec_prime_i15.order(curve, len);
50		}
51		}
52
53		static size_t
54	0	api_xoff(int curve, size_t *len)
55		{
56	0	switch (curve) {
57	0	case BR_EC_secp256r1:
58	0	return br_ec_p256_m15.xoff(curve, len);
59	0	case BR_EC_curve25519:
60	0	return br_ec_c25519_m15.xoff(curve, len);
61	0	default:
62	0	return br_ec_prime_i15.xoff(curve, len);
63		}
64		}
65
66		static uint32_t
67	0	api_mul(unsigned char *G, size_t Glen,
68		const unsigned char *kb, size_t kblen, int curve)
69		{
70	0	switch (curve) {
71	0	case BR_EC_secp256r1:
72	0	return br_ec_p256_m15.mul(G, Glen, kb, kblen, curve);
73	0	case BR_EC_curve25519:
74	0	return br_ec_c25519_m15.mul(G, Glen, kb, kblen, curve);
75	0	default:
76	0	return br_ec_prime_i15.mul(G, Glen, kb, kblen, curve);
77		}
78		}
79
80		static size_t
81	0	api_mulgen(unsigned char *R,
82		const unsigned char *x, size_t xlen, int curve)
83		{
84	0	switch (curve) {
85	0	case BR_EC_secp256r1:
86	0	return br_ec_p256_m15.mulgen(R, x, xlen, curve);
87	0	case BR_EC_curve25519:
88	0	return br_ec_c25519_m15.mulgen(R, x, xlen, curve);
89	0	default:
90	0	return br_ec_prime_i15.mulgen(R, x, xlen, curve);
91		}
92		}
93
94		static uint32_t
95	0	api_muladd(unsigned char A, const unsigned char B, size_t len,
96		const unsigned char *x, size_t xlen,
97		const unsigned char *y, size_t ylen, int curve)
98		{
99	0	switch (curve) {
100	0	case BR_EC_secp256r1:
101	0	return br_ec_p256_m15.muladd(A, B, len,
102		x, xlen, y, ylen, curve);
103	0	case BR_EC_curve25519:
104	0	return br_ec_c25519_m15.muladd(A, B, len,
105		x, xlen, y, ylen, curve);
106	0	default:
107	0	return br_ec_prime_i15.muladd(A, B, len,
108		x, xlen, y, ylen, curve);
109		}
110		}
111
112		/* see bearssl_ec.h */
113		const br_ec_impl br_ec_all_m15 = {
114		(uint32_t)0x23800000,
115		&api_generator,
116		&api_order,
117		&api_xoff,
118		&api_mul,
119		&api_mulgen,
120		&api_muladd
121		};