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 sha256_ref(uint8_t * input_data, uint32_t * digest, uint32_t len); 44 45 // Generates pseudo-random data 46 void rand_buffer(unsigned char *buf, const long buffer_size) 47 { 48 long i; 49 for (i = 0; i < buffer_size; i++) 50 buf[i] = rand(); 51 } 52 53 uint8_t lens_print_and_check(SHA256_HASH_CTX_MGR * mgr) 54 { 55 static int32_t last_lens[SHA256_MAX_LANES] = { 0 }; 56 int32_t len; 57 uint8_t num_unchanged = 0; 58 int i; 59 for (i = 0; i < SHA256_MAX_LANES; i++) { 60 len = (int32_t) mgr->mgr.lens[i]; 61 // len[i] in mgr consists of byte_length<<4 | lane_index 62 len = (len >= 16) ? (len >> 4 << 6) : 0; 63 printf("\t%d", len); 64 if (last_lens[i] > 0 && last_lens[i] == len) 65 num_unchanged += 1; 66 last_lens[i] = len; 67 } 68 printf("\n"); 69 return num_unchanged; 70 } 71 72 int main(void) 73 { 74 SHA256_HASH_CTX_MGR *mgr = NULL; 75 SHA256_HASH_CTX ctxpool[TEST_BUFS]; 76 uint32_t i, j, fail = 0; 77 unsigned char *bufs[TEST_BUFS]; 78 uint32_t lens[TEST_BUFS]; 79 uint8_t num_ret, num_unchanged = 0; 80 int ret; 81 82 printf("sha256_mb flush test, %d buffers with %d length: \n", TEST_BUFS, TEST_LEN); 83 84 ret = posix_memalign((void *)&mgr, 16, sizeof(SHA256_HASH_CTX_MGR)); 85 if ((ret != 0) || (mgr == NULL)) { 86 printf("posix_memalign failed test aborted\n"); 87 return 1; 88 } 89 90 sha256_ctx_mgr_init(mgr); 91 92 srand(TEST_SEED); 93 94 for (i = 0; i < TEST_BUFS; i++) { 95 // Allocate and fill buffer 96 lens[i] = TEST_LEN / SHA256_MAX_LANES * (i + 1); 97 bufs[i] = (unsigned char *)malloc(lens[i]); 98 if (bufs[i] == NULL) { 99 printf("malloc failed test aborted\n"); 100 goto end; 101 } 102 rand_buffer(bufs[i], lens[i]); 103 } 104 105 for (i = 0; i < TEST_BUFS; i++) { 106 // Init ctx contexts 107 hash_ctx_init(&ctxpool[i]); 108 ctxpool[i].user_data = (void *)((uint64_t) i); 109 110 // Run reference test 111 sha256_ref(bufs[i], digest_ref[i], lens[i]); 112 113 // Run sb_sha256 test 114 sha256_ctx_mgr_submit(mgr, &ctxpool[i], bufs[i], lens[i], HASH_ENTIRE); 115 } 116 117 printf("Changes of lens inside mgr:\n"); 118 lens_print_and_check(mgr); 119 while (sha256_ctx_mgr_flush(mgr)) { 120 num_ret = lens_print_and_check(mgr); 121 num_unchanged = num_unchanged > num_ret ? num_unchanged : num_ret; 122 } 123 printf("Info of sha256_mb lens prints over\n"); 124 125 for (i = 0; i < TEST_BUFS; i++) { 126 for (j = 0; j < SHA256_DIGEST_NWORDS; j++) { 127 if (ctxpool[i].job.result_digest[j] != digest_ref[i][j]) { 128 fail++; 129 printf("Test%d fixed size, digest%d " 130 "fail 0x%08X <=> 0x%08X \n", 131 i, j, ctxpool[i].job.result_digest[j], 132 digest_ref[i][j]); 133 } 134 } 135 } 136 137 if (fail) 138 printf("Test failed function check %d\n", fail); 139 else if (num_unchanged) 140 printf("SHA-NI is used when %d or %d jobs are uncompleted\n", 141 num_unchanged, num_unchanged + 1); 142 else 143 printf("SHA-NI is not used, or used for last job\n"); 144 145 end: 146 for (i = 0; i < TEST_BUFS; i++) 147 free(bufs[i]); 148 aligned_free(mgr); 149 150 return fail; 151 } 152