1 /* $NetBSD: t_chacha.c,v 1.4 2020/08/17 16:26:02 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2020 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/types.h>
30
31 #include <crypto/chacha/chacha.h>
32 #include <crypto/chacha/chacha_ref.h>
33
34 #if defined(__i386__) || defined(__x86_64__)
35 #include <crypto/chacha/arch/x86/chacha_sse2.h>
36 #endif
37
38 #if __ARM_ARCH >= 7
39 #include <crypto/chacha/arch/arm/chacha_neon.h>
40 #endif
41
42 #include <atf-c.h>
43
44 ATF_TC(chacha_ref_selftest);
ATF_TC_HEAD(chacha_ref_selftest,tc)45 ATF_TC_HEAD(chacha_ref_selftest, tc)
46 {
47
48 atf_tc_set_md_var(tc, "descr", "Portable C chacha_ref tests");
49 }
50
ATF_TC_BODY(chacha_ref_selftest,tc)51 ATF_TC_BODY(chacha_ref_selftest, tc)
52 {
53
54 if (chacha_ref_impl.ci_probe()) {
55 /*
56 * chacha_ref is the portable software fallback, so
57 * probe should never fail.
58 */
59 atf_tc_fail("Portable C chacha_ref probe failed");
60 }
61
62 if (chacha_selftest(&chacha_ref_impl))
63 atf_tc_fail("Portable C chacha_ref self-test failed");
64 }
65
66 #define CHACHA_SELFTEST(name, impl, descr) \
67 ATF_TC(name); \
68 ATF_TC_HEAD(name, tc) \
69 { \
70 \
71 atf_tc_set_md_var(tc, "descr", descr); \
72 } \
73 \
74 ATF_TC_BODY(name, tc) \
75 { \
76 \
77 if ((impl)->ci_probe()) \
78 atf_tc_skip("%s not supported on this hardware", \
79 (impl)->ci_name); \
80 if (chacha_selftest(impl)) \
81 atf_tc_fail("%s self-test failed", (impl)->ci_name); \
82 }
83
84 #if __ARM_ARCH >= 7
85 CHACHA_SELFTEST(chacha_neon_selftest, &chacha_neon_impl,
86 "ARM NEON ChaCha self-test")
87 #endif
88
89 #if defined(__i386__) || defined(__x86_64__)
90 CHACHA_SELFTEST(chacha_sse2_selftest, &chacha_sse2_impl,
91 "x86 SSE2 ChaCha self-test")
92 #endif
93
ATF_TP_ADD_TCS(tp)94 ATF_TP_ADD_TCS(tp)
95 {
96
97 ATF_TP_ADD_TC(tp, chacha_ref_selftest);
98
99 #if __ARM_ARCH >= 7
100 ATF_TP_ADD_TC(tp, chacha_neon_selftest);
101 #endif
102
103 #if defined(__i386__) || defined(__x86_64__)
104 ATF_TP_ADD_TC(tp, chacha_sse2_selftest);
105 #endif
106
107 return atf_no_error();
108 }
109