1 /* Copyright (c) 2016, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15 #include <stdio.h>
16 #include <stdint.h>
17 #include <string.h>
18
19 #include <memory>
20
21 #include <gtest/gtest.h>
22
23 #include <openssl/crypto.h>
24 #include <openssl/chacha.h>
25
26 #include "internal.h"
27 #include "../internal.h"
28 #include "../test/abi_test.h"
29 #include "../test/test_util.h"
30
31
32 static const uint8_t kKey[32] = {
33 0x98, 0xbe, 0xf1, 0x46, 0x9b, 0xe7, 0x26, 0x98, 0x37, 0xa4, 0x5b,
34 0xfb, 0xc9, 0x2a, 0x5a, 0x6a, 0xc7, 0x62, 0x50, 0x7c, 0xf9, 0x64,
35 0x43, 0xbf, 0x33, 0xb9, 0x6b, 0x1b, 0xd4, 0xc6, 0xf8, 0xf6,
36 };
37
38 static const uint8_t kNonce[12] = {
39 0x44, 0xe7, 0x92, 0xd6, 0x33, 0x35, 0xab, 0xb1, 0x58, 0x2e, 0x92, 0x53,
40 };
41
42 static uint32_t kCounter = 42;
43
44 static const uint8_t kInput[] = {
45 0x58, 0x28, 0xd5, 0x30, 0x36, 0x2c, 0x60, 0x55, 0x29, 0xf8, 0xe1, 0x8c,
46 0xae, 0x15, 0x15, 0x26, 0xf2, 0x3a, 0x73, 0xa0, 0xf3, 0x12, 0xa3, 0x88,
47 0x5f, 0x2b, 0x74, 0x23, 0x3d, 0xc9, 0x05, 0x23, 0xc6, 0x54, 0x49, 0x1e,
48 0x44, 0x88, 0x14, 0xd9, 0xda, 0x37, 0x15, 0xdc, 0xb7, 0xe4, 0x23, 0xb3,
49 0x9d, 0x7e, 0x16, 0x68, 0x35, 0xfc, 0x02, 0x6d, 0xcc, 0x8a, 0xe5, 0xdd,
50 0x5f, 0xe4, 0xd2, 0x56, 0x6f, 0x12, 0x9c, 0x9c, 0x7d, 0x6a, 0x38, 0x48,
51 0xbd, 0xdf, 0xd9, 0xac, 0x1b, 0xa2, 0x4d, 0xc5, 0x43, 0x04, 0x3c, 0xd7,
52 0x99, 0xe1, 0xa7, 0x13, 0x9c, 0x51, 0xc2, 0x6d, 0xf9, 0xcf, 0x07, 0x3b,
53 0xe4, 0xbf, 0x93, 0xa3, 0xa9, 0xb4, 0xc5, 0xf0, 0x1a, 0xe4, 0x8d, 0x5f,
54 0xc6, 0xc4, 0x7c, 0x69, 0x7a, 0xde, 0x1a, 0xc1, 0xc9, 0xcf, 0xc2, 0x4e,
55 0x7a, 0x25, 0x2c, 0x32, 0xe9, 0x17, 0xba, 0x68, 0xf1, 0x37, 0x5d, 0x62,
56 0x84, 0x46, 0xf5, 0x80, 0x7f, 0x1a, 0x71, 0xf7, 0xbe, 0x72, 0x4b, 0xb8,
57 0x1c, 0xfe, 0x3e, 0xbd, 0xae, 0x0d, 0x73, 0x0d, 0x87, 0x4a, 0x31, 0xc3,
58 0x3d, 0x46, 0x6f, 0xb3, 0xd7, 0x6b, 0xe3, 0xb8, 0x70, 0x17, 0x8e, 0x7a,
59 0x6a, 0x0e, 0xbf, 0xa8, 0xbc, 0x2b, 0xdb, 0xfa, 0x4f, 0xb6, 0x26, 0x20,
60 0xee, 0x63, 0xf0, 0x6d, 0x26, 0xac, 0x6a, 0x18, 0x37, 0x6e, 0x59, 0x81,
61 0xd1, 0x60, 0xe6, 0x40, 0xd5, 0x6d, 0x68, 0xba, 0x8b, 0x65, 0x4a, 0xf9,
62 0xf1, 0xae, 0x56, 0x24, 0x8f, 0xe3, 0x8e, 0xe7, 0x7e, 0x6f, 0xcf, 0x92,
63 0xdf, 0xa9, 0x75, 0x3a, 0xd6, 0x2e, 0x1c, 0xaf, 0xf2, 0xd6, 0x8b, 0x39,
64 0xad, 0xd2, 0x5d, 0xfb, 0xd7, 0xdf, 0x05, 0x57, 0x0d, 0xf7, 0xf6, 0x8f,
65 0x2d, 0x14, 0xb0, 0x4e, 0x1a, 0x3c, 0x77, 0x04, 0xcd, 0x3c, 0x5c, 0x58,
66 0x52, 0x10, 0x6f, 0xcf, 0x5c, 0x03, 0xc8, 0x5f, 0x85, 0x2b, 0x05, 0x82,
67 0x60, 0xda, 0xcc, 0xcd, 0xd6, 0x88, 0xbf, 0xc0, 0x10, 0xb3, 0x6f, 0x54,
68 0x54, 0x42, 0xbc, 0x4b, 0x77, 0x21, 0x4d, 0xee, 0x87, 0x45, 0x06, 0x4c,
69 0x60, 0x38, 0xd2, 0x7e, 0x1d, 0x30, 0x6c, 0x55, 0xf0, 0x38, 0x80, 0x1c,
70 0xde, 0x3d, 0xea, 0x68, 0x3e, 0xf6, 0x3e, 0x59, 0xcf, 0x0d, 0x08, 0xae,
71 0x8c, 0x02, 0x0b, 0xc1, 0x72, 0x6a, 0xb4, 0x6d, 0xf3, 0xf7, 0xb3, 0xef,
72 0x3a, 0xb1, 0x06, 0xf2, 0xf4, 0xd6, 0x69, 0x7b, 0x3e, 0xa2, 0x16, 0x31,
73 0x31, 0x79, 0xb6, 0x33, 0xa9, 0xca, 0x8a, 0xa8, 0xbe, 0xf3, 0xe9, 0x38,
74 0x28, 0xd1, 0xe1, 0x3b, 0x4e, 0x2e, 0x47, 0x35, 0xa4, 0x61, 0x14, 0x1e,
75 0x42, 0x2c, 0x49, 0x55, 0xea, 0xe3, 0xb3, 0xce, 0x39, 0xd3, 0xb3, 0xef,
76 0x4a, 0x4d, 0x78, 0x49, 0xbd, 0xf6, 0x7c, 0x0a, 0x2c, 0xd3, 0x26, 0xcb,
77 0xd9, 0x6a, 0xad, 0x63, 0x93, 0xa7, 0x29, 0x92, 0xdc, 0x1f, 0xaf, 0x61,
78 0x82, 0x80, 0x74, 0xb2, 0x9c, 0x4a, 0x86, 0x73, 0x50, 0xd8, 0xd1, 0xff,
79 0xee, 0x1a, 0xe2, 0xdd, 0xa2, 0x61, 0xbd, 0x10, 0xc3, 0x5f, 0x67, 0x9f,
80 0x29, 0xe4, 0xd3, 0x70, 0xe5, 0x67, 0x3a, 0xd2, 0x20, 0x00, 0xcc, 0x25,
81 0x15, 0x96, 0x54, 0x45, 0x85, 0xed, 0x82, 0x88, 0x3b, 0x9f, 0x3b, 0xc3,
82 0x04, 0xd4, 0x23, 0xb1, 0x0d, 0xdc, 0xc8, 0x26, 0x9d, 0x28, 0xb3, 0x25,
83 0x4d, 0x52, 0xe5, 0x33, 0xf3, 0xed, 0x2c, 0xb8, 0x1a, 0xcf, 0xc3, 0x52,
84 0xb4, 0x2f, 0xc7, 0x79, 0x96, 0x14, 0x7d, 0x72, 0x27, 0x72, 0x85, 0xea,
85 0x6d, 0x41, 0xa0, 0x22, 0x13, 0x6d, 0x06, 0x83, 0xa4, 0xdd, 0x0f, 0x69,
86 0xd2, 0x01, 0xcd, 0xc6, 0xb8, 0x64, 0x5c, 0x2c, 0x79, 0xd1, 0xc7, 0xd3,
87 0x31, 0xdb, 0x2c, 0xff, 0xda, 0xd0, 0x69, 0x31, 0xad, 0x83, 0x5f, 0xed,
88 0x6a, 0x97, 0xe4, 0x00, 0x43, 0xb0, 0x2e, 0x97, 0xae, 0x00, 0x5f, 0x5c,
89 0xb9, 0xe8, 0x39, 0x80, 0x10, 0xca, 0x0c, 0xfa, 0xf0, 0xb5, 0xcd, 0xaa,
90 0x27, 0x11, 0x60, 0xd9, 0x21, 0x86, 0x93, 0x91, 0x9f, 0x2d, 0x1a, 0x8e,
91 0xde, 0x0b, 0xb5, 0xcb, 0x05, 0x24, 0x30, 0x45, 0x4d, 0x11, 0x75, 0xfd,
92 0xe5, 0xa0, 0xa9, 0x4e, 0x3a, 0x8c, 0x3b, 0x52, 0x5a, 0x37, 0x18, 0x05,
93 0x4a, 0x7a, 0x09, 0x6a, 0xe6, 0xd5, 0xa9, 0xa6, 0x71, 0x47, 0x4c, 0x50,
94 0xe1, 0x3e, 0x8a, 0x21, 0x2b, 0x4f, 0x0e, 0xe3, 0xcb, 0x72, 0xc5, 0x28,
95 0x3e, 0x5a, 0x33, 0xec, 0x48, 0x92, 0x2e, 0xa1, 0x24, 0x57, 0x09, 0x0f,
96 0x01, 0x85, 0x3b, 0x34, 0x39, 0x7e, 0xc7, 0x90, 0x62, 0xe2, 0xdc, 0x5d,
97 0x0a, 0x2c, 0x51, 0x26, 0x95, 0x3a, 0x95, 0x92, 0xa5, 0x39, 0x8f, 0x0c,
98 0x83, 0x0b, 0x9d, 0x38, 0xab, 0x98, 0x2a, 0xc4, 0x01, 0xc4, 0x0d, 0x77,
99 0x13, 0xcb, 0xca, 0xf1, 0x28, 0x31, 0x52, 0x75, 0x27, 0x2c, 0xf0, 0x04,
100 0x86, 0xc8, 0xf3, 0x3d, 0xf2, 0x9d, 0x8f, 0x55, 0x52, 0x40, 0x3f, 0xaa,
101 0x22, 0x7f, 0xe7, 0x69, 0x3b, 0xee, 0x44, 0x09, 0xde, 0xff, 0xb0, 0x69,
102 0x3a, 0xae, 0x74, 0xe9, 0x9d, 0x33, 0xae, 0x8b, 0x6d, 0x60, 0x04, 0xff,
103 0x53, 0x3f, 0x88, 0xe9, 0x63, 0x9b, 0xb1, 0x6d, 0x2c, 0x22, 0x15, 0x5a,
104 0x15, 0xd9, 0xe5, 0xcb, 0x03, 0x78, 0x3c, 0xca, 0x59, 0x8c, 0xc8, 0xc2,
105 0x86, 0xff, 0xd2, 0x79, 0xd6, 0xc6, 0xec, 0x5b, 0xbb, 0xa0, 0xae, 0x01,
106 0x20, 0x09, 0x2e, 0x38, 0x5d, 0xda, 0x5d, 0xe0, 0x59, 0x4e, 0xe5, 0x8b,
107 0x84, 0x8f, 0xb6, 0xe0, 0x56, 0x9f, 0x21, 0xa1, 0xcf, 0xb2, 0x0f, 0x2c,
108 0x93, 0xf8, 0xcf, 0x37, 0xc1, 0x9f, 0x32, 0x98, 0x21, 0x65, 0x52, 0x66,
109 0x6e, 0xd3, 0x71, 0x98, 0x55, 0xb9, 0x46, 0x9f, 0x1a, 0x35, 0xc4, 0x47,
110 0x69, 0x62, 0x70, 0x4b, 0x77, 0x9e, 0xe4, 0x21, 0xe6, 0x32, 0x5a, 0x26,
111 0x05, 0xba, 0x57, 0x53, 0xd7, 0x9b, 0x55, 0x3c, 0xbb, 0x53, 0x79, 0x60,
112 0x9c, 0xc8, 0x4d, 0xf7, 0xf5, 0x1d, 0x54, 0x02, 0x91, 0x68, 0x0e, 0xaa,
113 0xca, 0x5a, 0x78, 0x0c, 0x28, 0x9a, 0xc3, 0xac, 0x49, 0xc0, 0xf4, 0x85,
114 0xee, 0x59, 0x76, 0x7e, 0x28, 0x4e, 0xf1, 0x5c, 0x63, 0xf7, 0xce, 0x0e,
115 0x2c, 0x21, 0xa0, 0x58, 0xe9, 0x01, 0xfd, 0xeb, 0xd1, 0xaf, 0xe6, 0xef,
116 0x93, 0xb3, 0x95, 0x51, 0x60, 0xa2, 0x74, 0x40, 0x15, 0xe5, 0xf4, 0x0a,
117 0xca, 0x6d, 0x9a, 0x37, 0x42, 0x4d, 0x5a, 0x58, 0x49, 0x0f, 0xe9, 0x02,
118 0xfc, 0x77, 0xd8, 0x59, 0xde, 0xdd, 0xad, 0x4b, 0x99, 0x2e, 0x64, 0x73,
119 0xad, 0x42, 0x2f, 0xf3, 0x2c, 0x0d, 0x49, 0xe4, 0x2e, 0x6c, 0xa4, 0x73,
120 0x75, 0x18, 0x14, 0x85, 0xbb, 0x64, 0xb4, 0xa1, 0xb0, 0x6e, 0x01, 0xc0,
121 0xcf, 0x17, 0x9c, 0xc5, 0x28, 0xc3, 0x2d, 0x6c, 0x17, 0x2a, 0x3d, 0x06,
122 0x5c, 0xf3, 0xb4, 0x49, 0x75, 0xad, 0x17, 0x69, 0xd4, 0xca, 0x65, 0xae,
123 0x44, 0x71, 0xa5, 0xf6, 0x0d, 0x0f, 0x8e, 0x37, 0xc7, 0x43, 0xce, 0x6b,
124 0x08, 0xe9, 0xd1, 0x34, 0x48, 0x8f, 0xc9, 0xfc, 0xf3, 0x5d, 0x2d, 0xec,
125 0x62, 0xd3, 0xf0, 0xb3, 0xfe, 0x2e, 0x40, 0x55, 0x76, 0x54, 0xc7, 0xb4,
126 0x61, 0x16, 0xcc, 0x7c, 0x1c, 0x19, 0x24, 0xe6, 0x4d, 0xd4, 0xc3, 0x77,
127 0x67, 0x1f, 0x3c, 0x74, 0x79, 0xa1, 0xf8, 0x85, 0x88, 0x1d, 0x6f, 0xa4,
128 0x7e, 0x2c, 0x21, 0x9f, 0x49, 0xf5, 0xaa, 0x4e, 0xf3, 0x4a, 0xfa, 0x9d,
129 0xbe, 0xf6, 0xce, 0xda, 0xb5, 0xab, 0x39, 0xbd, 0x16, 0x41, 0xa9, 0x4a,
130 0xac, 0x09, 0x01, 0xca,
131 };
132 static const uint8_t kOutput[] = {
133 0x54, 0x30, 0x6a, 0x13, 0xda, 0x59, 0x6b, 0x6d, 0x59, 0x49, 0xc8, 0xc5,
134 0xab, 0x26, 0xd4, 0x8a, 0xad, 0xc0, 0x3d, 0xaf, 0x14, 0xb9, 0x15, 0xb8,
135 0xca, 0xdf, 0x17, 0xa7, 0x03, 0xd3, 0xc5, 0x06, 0x01, 0xef, 0x21, 0xdd,
136 0xa3, 0x0b, 0x9e, 0x48, 0xb8, 0x5e, 0x0b, 0x87, 0x9f, 0x95, 0x23, 0x68,
137 0x85, 0x69, 0xd2, 0x5d, 0xaf, 0x57, 0xe9, 0x27, 0x11, 0x3d, 0x49, 0xfa,
138 0xf1, 0x08, 0xcc, 0x15, 0xec, 0x1d, 0x19, 0x16, 0x12, 0x9b, 0xc8, 0x66,
139 0x1f, 0xfa, 0x2c, 0x93, 0xf4, 0x99, 0x11, 0x27, 0x31, 0x0e, 0xd8, 0x46,
140 0x47, 0x40, 0x11, 0x70, 0x01, 0xca, 0xe8, 0x5b, 0xc5, 0x91, 0xc8, 0x3a,
141 0xdc, 0xaa, 0xf3, 0x4b, 0x80, 0xe5, 0xbc, 0x03, 0xd0, 0x89, 0x72, 0xbc,
142 0xce, 0x2a, 0x76, 0x0c, 0xf5, 0xda, 0x4c, 0x10, 0x06, 0x35, 0x41, 0xb1,
143 0xe6, 0xb4, 0xaa, 0x7a, 0xef, 0xf0, 0x62, 0x4a, 0xc5, 0x9f, 0x2c, 0xaf,
144 0xb8, 0x2f, 0xd9, 0xd1, 0x01, 0x7a, 0x36, 0x2f, 0x3e, 0x83, 0xa5, 0xeb,
145 0x81, 0x70, 0xa0, 0x57, 0x17, 0x46, 0xea, 0x9e, 0xcb, 0x0e, 0x74, 0xd3,
146 0x44, 0x57, 0x1d, 0x40, 0x06, 0xf8, 0xb7, 0xcb, 0x5f, 0xf4, 0x79, 0xbd,
147 0x11, 0x19, 0xd6, 0xee, 0xf8, 0xb0, 0xaa, 0xdd, 0x00, 0x62, 0xad, 0x3b,
148 0x88, 0x9a, 0x88, 0x5b, 0x1b, 0x07, 0xc9, 0xae, 0x9e, 0xa6, 0x94, 0xe5,
149 0x55, 0xdb, 0x45, 0x23, 0xb9, 0x2c, 0xcd, 0x29, 0xd3, 0x54, 0xc3, 0x88,
150 0x1e, 0x5f, 0x52, 0xf2, 0x09, 0x00, 0x26, 0x26, 0x1a, 0xed, 0xf5, 0xc2,
151 0xa9, 0x7d, 0xf9, 0x21, 0x5a, 0xaf, 0x6d, 0xab, 0x8e, 0x16, 0x84, 0x96,
152 0xb5, 0x4f, 0xcf, 0x1e, 0xa3, 0xaf, 0x08, 0x9f, 0x79, 0x86, 0xc3, 0xbe,
153 0x0c, 0x70, 0xcb, 0x8f, 0xf3, 0xc5, 0xf8, 0xe8, 0x4b, 0x21, 0x7d, 0x18,
154 0xa9, 0xed, 0x8b, 0xfb, 0x6b, 0x5a, 0x6f, 0x26, 0x0b, 0x56, 0x04, 0x7c,
155 0xfe, 0x0e, 0x1e, 0xc1, 0x3f, 0x82, 0xc5, 0x73, 0xbd, 0x53, 0x0c, 0xf0,
156 0xe2, 0xc9, 0xf3, 0x3d, 0x1b, 0x6d, 0xba, 0x70, 0xc1, 0x6d, 0xb6, 0x00,
157 0x28, 0xe1, 0xc4, 0x78, 0x62, 0x04, 0xda, 0x23, 0x86, 0xc3, 0xda, 0x74,
158 0x3d, 0x7c, 0xd6, 0x76, 0x29, 0xb2, 0x27, 0x2e, 0xb2, 0x35, 0x42, 0x60,
159 0x82, 0xcf, 0x30, 0x2c, 0x59, 0xe4, 0xe3, 0xd0, 0x74, 0x1f, 0x58, 0xe8,
160 0xda, 0x47, 0x45, 0x73, 0x1c, 0x05, 0x93, 0xae, 0x75, 0xbe, 0x1f, 0x81,
161 0xd8, 0xb7, 0xb3, 0xff, 0xfc, 0x8b, 0x52, 0x9e, 0xed, 0x8b, 0x37, 0x9f,
162 0xe0, 0xb8, 0xa2, 0x66, 0xe1, 0x6a, 0xc5, 0x1f, 0x1d, 0xf0, 0xde, 0x3f,
163 0x3d, 0xb0, 0x28, 0xf3, 0xaa, 0x4e, 0x4d, 0x31, 0xb0, 0x26, 0x79, 0x2b,
164 0x08, 0x0f, 0xe9, 0x2f, 0x79, 0xb3, 0xc8, 0xdd, 0xa7, 0x89, 0xa8, 0xa8,
165 0x1d, 0x59, 0x0e, 0x4f, 0x1e, 0x93, 0x1f, 0x70, 0x7f, 0x4e, 0x7e, 0xfe,
166 0xb8, 0xca, 0x63, 0xe0, 0xa6, 0x05, 0xcc, 0xd7, 0xde, 0x2a, 0x49, 0x31,
167 0x78, 0x5c, 0x5f, 0x44, 0xb2, 0x9b, 0x91, 0x99, 0x14, 0x29, 0x63, 0x09,
168 0x12, 0xdd, 0x02, 0xd9, 0x7b, 0xe9, 0xf5, 0x12, 0x07, 0xd0, 0xe7, 0xe6,
169 0xe8, 0xdd, 0xda, 0xa4, 0x73, 0xc4, 0x8e, 0xbd, 0x7b, 0xb7, 0xbb, 0xcb,
170 0x83, 0x2f, 0x43, 0xf6, 0x1c, 0x50, 0xae, 0x9b, 0x2e, 0x52, 0x80, 0x18,
171 0x85, 0xa8, 0x23, 0x52, 0x7a, 0x6a, 0xf7, 0x42, 0x36, 0xca, 0x91, 0x5a,
172 0x3d, 0x2a, 0xa0, 0x35, 0x7d, 0x70, 0xfc, 0x4c, 0x18, 0x7c, 0x57, 0x72,
173 0xcf, 0x9b, 0x29, 0xd6, 0xd0, 0xb4, 0xd7, 0xe6, 0x89, 0x70, 0x69, 0x22,
174 0x5e, 0x45, 0x09, 0x4d, 0x49, 0x87, 0x84, 0x5f, 0x8a, 0x5f, 0xe4, 0x15,
175 0xd3, 0xe3, 0x72, 0xaf, 0xb2, 0x30, 0x9c, 0xc1, 0xff, 0x8e, 0x6d, 0x2a,
176 0x76, 0x9e, 0x08, 0x03, 0x7e, 0xe0, 0xc3, 0xc2, 0x97, 0x06, 0x6b, 0x33,
177 0x2b, 0x08, 0xe3, 0xd5, 0x0b, 0xd8, 0x32, 0x67, 0x61, 0x10, 0xed, 0x6b,
178 0xed, 0x50, 0xef, 0xd7, 0x1c, 0x1b, 0xe0, 0x6d, 0xa1, 0x64, 0x19, 0x34,
179 0x2f, 0xe4, 0xe8, 0x54, 0xbf, 0x84, 0x0e, 0xdf, 0x0e, 0x8b, 0xd8, 0xdd,
180 0x77, 0x96, 0xb8, 0x54, 0xab, 0xf2, 0x95, 0x59, 0x0d, 0x0d, 0x0a, 0x15,
181 0x6e, 0x01, 0xf2, 0x24, 0xab, 0xa0, 0xd8, 0xdf, 0x38, 0xea, 0x97, 0x58,
182 0x76, 0x88, 0xbe, 0xaf, 0x45, 0xe3, 0x56, 0x4f, 0x68, 0xe8, 0x4b, 0xe7,
183 0x2b, 0x22, 0x18, 0x96, 0x82, 0x89, 0x25, 0x34, 0xd1, 0xdd, 0x08, 0xea,
184 0x7e, 0x21, 0xef, 0x57, 0x55, 0x43, 0xf7, 0xfa, 0xca, 0x1c, 0xde, 0x99,
185 0x2e, 0x8b, 0xd8, 0xc3, 0xcf, 0x89, 0x4d, 0xfc, 0x3b, 0x7d, 0x4a, 0xc9,
186 0x99, 0xc4, 0x31, 0xb6, 0x7a, 0xae, 0xf8, 0x49, 0xb2, 0x46, 0xc1, 0x60,
187 0x05, 0x75, 0xf3, 0x3d, 0xf2, 0xc9, 0x84, 0xa4, 0xb9, 0x8a, 0x87, 0x2a,
188 0x87, 0x5c, 0x0a, 0xbc, 0x51, 0x7d, 0x9a, 0xf5, 0xc9, 0x24, 0x2d, 0x5e,
189 0xe6, 0xc6, 0xe3, 0xcd, 0x7e, 0xe4, 0xaf, 0x8a, 0x6c, 0x00, 0x04, 0xc8,
190 0xd7, 0xa5, 0xad, 0xfa, 0xb2, 0x08, 0x4a, 0x26, 0x9b, 0x7c, 0xd0, 0xc6,
191 0x13, 0xb1, 0xb9, 0x65, 0x3f, 0x70, 0x30, 0xf9, 0x98, 0x9d, 0x87, 0x99,
192 0x57, 0x71, 0x3e, 0xb1, 0xc3, 0x24, 0xf0, 0xa6, 0xa2, 0x60, 0x9d, 0x66,
193 0xd2, 0x5f, 0xae, 0xe3, 0x94, 0x87, 0xea, 0xd1, 0xea, 0x0d, 0x2a, 0x77,
194 0xef, 0x31, 0xcc, 0xeb, 0xf9, 0x0c, 0xdc, 0x9c, 0x12, 0x80, 0xbb, 0xb0,
195 0x8e, 0xab, 0x9a, 0x04, 0xcd, 0x4b, 0x95, 0x4f, 0x7a, 0x0b, 0x53, 0x7c,
196 0x16, 0xcc, 0x0e, 0xb1, 0x73, 0x10, 0xdd, 0xaa, 0x76, 0x94, 0x90, 0xd9,
197 0x8b, 0x66, 0x41, 0x31, 0xed, 0x8c, 0x7d, 0x74, 0xc4, 0x33, 0xfa, 0xc3,
198 0x43, 0x8d, 0x10, 0xbc, 0x84, 0x4d, 0x0e, 0x95, 0x32, 0xdf, 0x17, 0x43,
199 0x6d, 0xd2, 0x5e, 0x12, 0xb9, 0xed, 0x33, 0xd9, 0x97, 0x6f, 0x4a, 0xcd,
200 0xc3, 0xcd, 0x81, 0x34, 0xbe, 0x7e, 0xa2, 0xd0, 0xa7, 0x91, 0x5d, 0x90,
201 0xf6, 0x5e, 0x4a, 0x25, 0x0f, 0xcc, 0x24, 0xeb, 0xe1, 0xe4, 0x62, 0x6c,
202 0x8f, 0x45, 0x36, 0x97, 0x5d, 0xda, 0x20, 0x2b, 0x86, 0x00, 0x8c, 0x94,
203 0xa9, 0x6a, 0x69, 0xb2, 0xe9, 0xbb, 0x82, 0x8e, 0x41, 0x95, 0xb4, 0xb7,
204 0xf1, 0x55, 0x52, 0x30, 0x39, 0x48, 0xb3, 0x25, 0x82, 0xa9, 0x10, 0x27,
205 0x89, 0xb5, 0xe5, 0x1f, 0xab, 0x72, 0x3c, 0x70, 0x08, 0xce, 0xe6, 0x61,
206 0xbf, 0x19, 0xc8, 0x90, 0x2b, 0x29, 0x30, 0x3e, 0xb8, 0x4c, 0x33, 0xf0,
207 0xf0, 0x15, 0x2e, 0xb7, 0x25, 0xca, 0x99, 0x4b, 0x6f, 0x4b, 0x41, 0x50,
208 0xee, 0x56, 0x99, 0xcf, 0x2b, 0xa4, 0xc4, 0x7c, 0x5c, 0xa6, 0xd4, 0x67,
209 0x04, 0x5c, 0x5d, 0x5f, 0x26, 0x9e, 0x0f, 0xe2, 0x58, 0x68, 0x4c, 0x30,
210 0xcd, 0xef, 0x46, 0xdb, 0x37, 0x6f, 0xbb, 0xc4, 0x80, 0xca, 0x8a, 0x54,
211 0x5d, 0x71, 0x9d, 0x0c, 0xe8, 0xb8, 0x2c, 0x10, 0x90, 0x44, 0xa4, 0x88,
212 0x3f, 0xbc, 0x15, 0x3c, 0xd2, 0xca, 0x0e, 0xc3, 0xe4, 0x6e, 0xef, 0xb0,
213 0xcb, 0xfd, 0x61, 0x7c, 0x27, 0xf2, 0x25, 0xea, 0x71, 0x6d, 0xf7, 0x49,
214 0x9c, 0x81, 0x27, 0xf0, 0x61, 0x33, 0xcf, 0x55, 0x68, 0xd3, 0x73, 0xa4,
215 0xed, 0x35, 0x65, 0x2a, 0xf2, 0x3e, 0xcf, 0x90, 0x98, 0x54, 0x6d, 0x95,
216 0x6a, 0x0c, 0x9c, 0x24, 0x0e, 0xb4, 0xb7, 0x9b, 0x8d, 0x6e, 0x1c, 0xbc,
217 0xeb, 0x17, 0x10, 0x86, 0xda, 0x91, 0x6d, 0x89, 0x4c, 0xeb, 0xf5, 0x50,
218 0x8f, 0x40, 0xcf, 0x4a,
219 };
220
221 static_assert(sizeof(kInput) == sizeof(kOutput),
222 "Input and output lengths don't match.");
223
TEST(ChaChaTest,TestVector)224 TEST(ChaChaTest, TestVector) {
225 // Run the test with the test vector at all lengths.
226 for (size_t len = 0; len <= sizeof(kInput); len++) {
227 SCOPED_TRACE(len);
228
229 std::unique_ptr<uint8_t[]> buf(new uint8_t[len]);
230 CRYPTO_chacha_20(buf.get(), kInput, len, kKey, kNonce, kCounter);
231 EXPECT_EQ(Bytes(kOutput, len), Bytes(buf.get(), len));
232
233 // Test the in-place version.
234 OPENSSL_memcpy(buf.get(), kInput, len);
235 CRYPTO_chacha_20(buf.get(), buf.get(), len, kKey, kNonce, kCounter);
236 EXPECT_EQ(Bytes(kOutput, len), Bytes(buf.get(), len));
237 }
238 }
239
240 #if defined(CHACHA20_ASM) && defined(SUPPORTS_ABI_TEST)
TEST(ChaChaTest,ABI)241 TEST(ChaChaTest, ABI) {
242 uint32_t key[8];
243 OPENSSL_memcpy(key, kKey, sizeof(key));
244
245 static const uint32_t kCounterNonce[4] = {0};
246
247 std::unique_ptr<uint8_t[]> buf(new uint8_t[sizeof(kInput)]);
248 for (size_t len = 0; len <= 32; len++) {
249 SCOPED_TRACE(len);
250 CHECK_ABI(ChaCha20_ctr32, buf.get(), kInput, len, key, kCounterNonce);
251 }
252
253 for (size_t len : {32 * 2, 32 * 4, 32 * 8, 32 * 16, 32 * 24}) {
254 SCOPED_TRACE(len);
255 CHECK_ABI(ChaCha20_ctr32, buf.get(), kInput, len, key, kCounterNonce);
256 // Cover the partial block paths.
257 CHECK_ABI(ChaCha20_ctr32, buf.get(), kInput, len + 15, key, kCounterNonce);
258 }
259 }
260 #endif // CHACHA20_ASM && SUPPORTS_ABI_TEST
261