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2 Copyright(c) 2011-2017 Intel Corporation All rights reserved.
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16
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28 **********************************************************************/
29
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include "sha256_mb.h"
33
34 #define TEST_LEN (1024 * 1024)
35 #define TEST_BUFS (ISAL_SHA256_MAX_LANES - 1)
36 #ifndef TEST_SEED
37 #define TEST_SEED 0x1234
38 #endif
39
40 static uint32_t digest_ref[TEST_BUFS][ISAL_SHA256_DIGEST_NWORDS];
41
42 // Compare against reference function
43 extern void
44 sha256_ref(uint8_t *input_data, uint32_t *digest, uint32_t len);
45
46 // Generates pseudo-random data
47 void
rand_buffer(unsigned char * buf,const long buffer_size)48 rand_buffer(unsigned char *buf, const long buffer_size)
49 {
50 long i;
51 for (i = 0; i < buffer_size; i++)
52 buf[i] = rand();
53 }
54
55 uint8_t
lens_print_and_check(ISAL_SHA256_HASH_CTX_MGR * mgr)56 lens_print_and_check(ISAL_SHA256_HASH_CTX_MGR *mgr)
57 {
58 static int32_t last_lens[ISAL_SHA256_MAX_LANES] = { 0 };
59 int32_t len;
60 uint8_t num_unchanged = 0;
61 int i;
62 for (i = 0; i < ISAL_SHA256_MAX_LANES; i++) {
63 len = (int32_t) mgr->mgr.lens[i];
64 // len[i] in mgr consists of byte_length<<4 | lane_index
65 len = (len >= 16) ? (len >> 4 << 6) : 0;
66 printf("\t%d", len);
67 if (last_lens[i] > 0 && last_lens[i] == len)
68 num_unchanged += 1;
69 last_lens[i] = len;
70 }
71 printf("\n");
72 return num_unchanged;
73 }
74
75 int
main(void)76 main(void)
77 {
78 ISAL_SHA256_HASH_CTX_MGR *mgr = NULL;
79 ISAL_SHA256_HASH_CTX ctxpool[TEST_BUFS], *ctx = NULL;
80 uint32_t i, j, fail = 0;
81 unsigned char *bufs[TEST_BUFS];
82 uint32_t lens[TEST_BUFS];
83 uint8_t num_ret, num_unchanged = 0;
84 int ret;
85
86 printf("sha256_mb flush test, %d buffers with %d length: \n", TEST_BUFS, TEST_LEN);
87
88 ret = posix_memalign((void *) &mgr, 16, sizeof(ISAL_SHA256_HASH_CTX_MGR));
89 if ((ret != 0) || (mgr == NULL)) {
90 printf("posix_memalign failed test aborted\n");
91 return 1;
92 }
93
94 ret = isal_sha256_ctx_mgr_init(mgr);
95 if (ret)
96 return 1;
97
98 srand(TEST_SEED);
99
100 for (i = 0; i < TEST_BUFS; i++) {
101 // Allocate and fill buffer
102 lens[i] = TEST_LEN / ISAL_SHA256_MAX_LANES * (i + 1);
103 bufs[i] = (unsigned char *) malloc(lens[i]);
104 if (bufs[i] == NULL) {
105 printf("malloc failed test aborted\n");
106 goto end;
107 }
108 rand_buffer(bufs[i], lens[i]);
109 }
110
111 for (i = 0; i < TEST_BUFS; i++) {
112 // Init ctx contexts
113 isal_hash_ctx_init(&ctxpool[i]);
114 ctxpool[i].user_data = (void *) ((uint64_t) i);
115
116 // Run reference test
117 sha256_ref(bufs[i], digest_ref[i], lens[i]);
118
119 // Run sb_sha256 test
120 ret = isal_sha256_ctx_mgr_submit(mgr, &ctxpool[i], &ctx, bufs[i], lens[i],
121 ISAL_HASH_ENTIRE);
122 if (ret)
123 return 1;
124 }
125
126 printf("Changes of lens inside mgr:\n");
127 lens_print_and_check(mgr);
128 do {
129 ret = isal_sha256_ctx_mgr_flush(mgr, &ctx);
130 if (ret)
131 return 1;
132 if (ctx != NULL) {
133 num_ret = lens_print_and_check(mgr);
134 num_unchanged = num_unchanged > num_ret ? num_unchanged : num_ret;
135 }
136 } while (ctx != NULL);
137
138 printf("Info of sha256_mb lens prints over\n");
139
140 for (i = 0; i < TEST_BUFS; i++) {
141 for (j = 0; j < ISAL_SHA256_DIGEST_NWORDS; j++) {
142 if (ctxpool[i].job.result_digest[j] != digest_ref[i][j]) {
143 fail++;
144 printf("Test%d fixed size, digest%d "
145 "fail 0x%08X <=> 0x%08X \n",
146 i, j, ctxpool[i].job.result_digest[j], digest_ref[i][j]);
147 }
148 }
149 }
150
151 if (fail)
152 printf("Test failed function check %d\n", fail);
153 else if (num_unchanged)
154 printf("SHA-NI is used when %d or %d jobs are uncompleted\n", num_unchanged,
155 num_unchanged + 1);
156 else
157 printf("SHA-NI is not used, or used for last job\n");
158
159 end:
160 for (i = 0; i < TEST_BUFS; i++)
161 free(bufs[i]);
162 aligned_free(mgr);
163
164 return fail;
165 }
166