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-rw-r--r--src/regress/lib/libcrypto/Makefile3
-rw-r--r--src/regress/lib/libcrypto/curve25519/Makefile9
-rw-r--r--src/regress/lib/libcrypto/curve25519/x25519test.c139
3 files changed, 150 insertions, 1 deletions
diff --git a/src/regress/lib/libcrypto/Makefile b/src/regress/lib/libcrypto/Makefile
index dc11c60e92..595d1094da 100644
--- a/src/regress/lib/libcrypto/Makefile
+++ b/src/regress/lib/libcrypto/Makefile
@@ -1,4 +1,4 @@
1# $OpenBSD: Makefile,v 1.24 2016/11/04 19:45:12 jsing Exp $ 1# $OpenBSD: Makefile,v 1.25 2016/11/05 15:09:02 jsing Exp $
2 2
3SUBDIR= \ 3SUBDIR= \
4 aead \ 4 aead \
@@ -11,6 +11,7 @@ SUBDIR= \
11 cast \ 11 cast \
12 chacha \ 12 chacha \
13 cts128 \ 13 cts128 \
14 curve25519 \
14 des \ 15 des \
15 dh \ 16 dh \
16 dsa \ 17 dsa \
diff --git a/src/regress/lib/libcrypto/curve25519/Makefile b/src/regress/lib/libcrypto/curve25519/Makefile
new file mode 100644
index 0000000000..1bc4965670
--- /dev/null
+++ b/src/regress/lib/libcrypto/curve25519/Makefile
@@ -0,0 +1,9 @@
1# $OpenBSD: Makefile,v 1.1 2016/11/05 15:09:02 jsing Exp $
2
3PROG= x25519test
4LDADD= -lcrypto
5DPADD= ${LIBCRYPTO}
6WARNINGS= Yes
7CFLAGS+= -DLIBRESSL_INTERNAL -Werror
8
9.include <bsd.regress.mk>
diff --git a/src/regress/lib/libcrypto/curve25519/x25519test.c b/src/regress/lib/libcrypto/curve25519/x25519test.c
new file mode 100644
index 0000000000..ae6e296a3d
--- /dev/null
+++ b/src/regress/lib/libcrypto/curve25519/x25519test.c
@@ -0,0 +1,139 @@
1/*
2 * Copyright (c) 2015, Google Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include <stdint.h>
18#include <stdio.h>
19#include <string.h>
20
21#include <openssl/curve25519.h>
22
23static int
24x25519_test(void)
25{
26 /* Taken from https://tools.ietf.org/html/rfc7748#section-5.2 */
27 static const uint8_t kScalar1[32] = {
28 0xa5, 0x46, 0xe3, 0x6b, 0xf0, 0x52, 0x7c, 0x9d,
29 0x3b, 0x16, 0x15, 0x4b, 0x82, 0x46, 0x5e, 0xdd,
30 0x62, 0x14, 0x4c, 0x0a, 0xc1, 0xfc, 0x5a, 0x18,
31 0x50, 0x6a, 0x22, 0x44, 0xba, 0x44, 0x9a, 0xc4,
32 };
33 static const uint8_t kPoint1[32] = {
34 0xe6, 0xdb, 0x68, 0x67, 0x58, 0x30, 0x30, 0xdb,
35 0x35, 0x94, 0xc1, 0xa4, 0x24, 0xb1, 0x5f, 0x7c,
36 0x72, 0x66, 0x24, 0xec, 0x26, 0xb3, 0x35, 0x3b,
37 0x10, 0xa9, 0x03, 0xa6, 0xd0, 0xab, 0x1c, 0x4c,
38 };
39 static const uint8_t kExpected1[32] = {
40 0xc3, 0xda, 0x55, 0x37, 0x9d, 0xe9, 0xc6, 0x90,
41 0x8e, 0x94, 0xea, 0x4d, 0xf2, 0x8d, 0x08, 0x4f,
42 0x32, 0xec, 0xcf, 0x03, 0x49, 0x1c, 0x71, 0xf7,
43 0x54, 0xb4, 0x07, 0x55, 0x77, 0xa2, 0x85, 0x52,
44 };
45 static const uint8_t kScalar2[32] = {
46 0x4b, 0x66, 0xe9, 0xd4, 0xd1, 0xb4, 0x67, 0x3c,
47 0x5a, 0xd2, 0x26, 0x91, 0x95, 0x7d, 0x6a, 0xf5,
48 0xc1, 0x1b, 0x64, 0x21, 0xe0, 0xea, 0x01, 0xd4,
49 0x2c, 0xa4, 0x16, 0x9e, 0x79, 0x18, 0xba, 0x0d,
50 };
51 static const uint8_t kPoint2[32] = {
52 0xe5, 0x21, 0x0f, 0x12, 0x78, 0x68, 0x11, 0xd3,
53 0xf4, 0xb7, 0x95, 0x9d, 0x05, 0x38, 0xae, 0x2c,
54 0x31, 0xdb, 0xe7, 0x10, 0x6f, 0xc0, 0x3c, 0x3e,
55 0xfc, 0x4c, 0xd5, 0x49, 0xc7, 0x15, 0xa4, 0x93,
56 };
57 static const uint8_t kExpected2[32] = {
58 0x95, 0xcb, 0xde, 0x94, 0x76, 0xe8, 0x90, 0x7d,
59 0x7a, 0xad, 0xe4, 0x5c, 0xb4, 0xb8, 0x73, 0xf8,
60 0x8b, 0x59, 0x5a, 0x68, 0x79, 0x9f, 0xa1, 0x52,
61 0xe6, 0xf8, 0xf7, 0x64, 0x7a, 0xac, 0x79, 0x57,
62 };
63
64 uint8_t out[32];
65
66 X25519(out, kScalar1, kPoint1);
67 if (memcmp(kExpected1, out, sizeof(out)) != 0) {
68 fprintf(stderr, "X25519 test one failed.\n");
69 return 0;
70 }
71
72 X25519(out, kScalar2, kPoint2);
73 if (memcmp(kExpected2, out, sizeof(out)) != 0) {
74 fprintf(stderr, "X25519 test two failed.\n");
75 return 0;
76 }
77
78 return 1;
79}
80
81static int
82x25519_iterated_test(void)
83{
84 /* Taken from https://tools.ietf.org/html/rfc7748#section-5.2 */
85 static const uint8_t kExpected[32] = {
86 0x68, 0x4c, 0xf5, 0x9b, 0xa8, 0x33, 0x09, 0x55,
87 0x28, 0x00, 0xef, 0x56, 0x6f, 0x2f, 0x4d, 0x3c,
88 0x1c, 0x38, 0x87, 0xc4, 0x93, 0x60, 0xe3, 0x87,
89 0x5f, 0x2e, 0xb9, 0x4d, 0x99, 0x53, 0x2c, 0x51,
90 };
91
92 uint8_t scalar[32] = {9}, point[32] = {9}, out[32];
93 unsigned i;
94
95 for (i = 0; i < 1000; i++) {
96 X25519(out, scalar, point);
97 memcpy(point, scalar, sizeof(point));
98 memcpy(scalar, out, sizeof(scalar));
99 }
100
101 if (memcmp(kExpected, scalar, sizeof(kExpected)) != 0) {
102 fprintf(stderr, "Iterated X25519 test failed\n");
103 return 0;
104 }
105
106 return 1;
107}
108
109static int
110x25519_small_order_test(void)
111{
112 static const uint8_t kSmallOrderPoint[32] = {
113 0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae,
114 0x16, 0x56, 0xe3, 0xfa, 0xf1, 0x9f, 0xc4, 0x6a,
115 0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32, 0xb1, 0xfd,
116 0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8, 0x00,
117 };
118
119 uint8_t out[32], private_key[32];
120
121 memset(private_key, 0x11, sizeof(private_key));
122 if (X25519(out, private_key, kSmallOrderPoint)) {
123 fprintf(stderr, "X25519 returned success with a small-order input.\n");
124 return 0;
125 }
126
127 return 1;
128}
129
130int
131main(int argc, char **argv) {
132 if (!x25519_test() ||
133 !x25519_iterated_test() ||
134 !x25519_small_order_test())
135 return 1;
136
137 printf("PASS\n");
138 return 0;
139}
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