1 /********************************************************************** 2 Copyright(c) 2011-2017 Intel Corporation All rights reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 * Redistributions of source code must retain the above copyright 8 notice, this list of conditions and the following disclaimer. 9 * Redistributions in binary form must reproduce the above copyright 10 notice, this list of conditions and the following disclaimer in 11 the documentation and/or other materials provided with the 12 distribution. 13 * Neither the name of Intel Corporation nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 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 (SHA256_MAX_LANES - 1) 36 #ifndef TEST_SEED 37 #define TEST_SEED 0x1234 38 #endif 39 40 static uint32_t digest_ref[TEST_BUFS][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 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 56 lens_print_and_check(SHA256_HASH_CTX_MGR *mgr) 57 { 58 static int32_t last_lens[SHA256_MAX_LANES] = { 0 }; 59 int32_t len; 60 uint8_t num_unchanged = 0; 61 int i; 62 for (i = 0; i < 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 76 main(void) 77 { 78 SHA256_HASH_CTX_MGR *mgr = NULL; 79 SHA256_HASH_CTX ctxpool[TEST_BUFS]; 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(SHA256_HASH_CTX_MGR)); 89 if ((ret != 0) || (mgr == NULL)) { 90 printf("posix_memalign failed test aborted\n"); 91 return 1; 92 } 93 94 sha256_ctx_mgr_init(mgr); 95 96 srand(TEST_SEED); 97 98 for (i = 0; i < TEST_BUFS; i++) { 99 // Allocate and fill buffer 100 lens[i] = TEST_LEN / SHA256_MAX_LANES * (i + 1); 101 bufs[i] = (unsigned char *) malloc(lens[i]); 102 if (bufs[i] == NULL) { 103 printf("malloc failed test aborted\n"); 104 goto end; 105 } 106 rand_buffer(bufs[i], lens[i]); 107 } 108 109 for (i = 0; i < TEST_BUFS; i++) { 110 // Init ctx contexts 111 hash_ctx_init(&ctxpool[i]); 112 ctxpool[i].user_data = (void *) ((uint64_t) i); 113 114 // Run reference test 115 sha256_ref(bufs[i], digest_ref[i], lens[i]); 116 117 // Run sb_sha256 test 118 sha256_ctx_mgr_submit(mgr, &ctxpool[i], bufs[i], lens[i], HASH_ENTIRE); 119 } 120 121 printf("Changes of lens inside mgr:\n"); 122 lens_print_and_check(mgr); 123 while (sha256_ctx_mgr_flush(mgr)) { 124 num_ret = lens_print_and_check(mgr); 125 num_unchanged = num_unchanged > num_ret ? num_unchanged : num_ret; 126 } 127 printf("Info of sha256_mb lens prints over\n"); 128 129 for (i = 0; i < TEST_BUFS; i++) { 130 for (j = 0; j < SHA256_DIGEST_NWORDS; j++) { 131 if (ctxpool[i].job.result_digest[j] != digest_ref[i][j]) { 132 fail++; 133 printf("Test%d fixed size, digest%d " 134 "fail 0x%08X <=> 0x%08X \n", 135 i, j, ctxpool[i].job.result_digest[j], digest_ref[i][j]); 136 } 137 } 138 } 139 140 if (fail) 141 printf("Test failed function check %d\n", fail); 142 else if (num_unchanged) 143 printf("SHA-NI is used when %d or %d jobs are uncompleted\n", num_unchanged, 144 num_unchanged + 1); 145 else 146 printf("SHA-NI is not used, or used for last job\n"); 147 148 end: 149 for (i = 0; i < TEST_BUFS; i++) 150 free(bufs[i]); 151 aligned_free(mgr); 152 153 return fail; 154 } 155