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 "mh_sha256.h" 33 34 #define TEST_LEN 16 * 1024 35 #define TEST_SIZE 8 * 1024 36 #define TEST_MEM TEST_LEN 37 #ifndef TEST_SEED 38 #define TEST_SEED 0x1234 39 #endif 40 41 #define str(s) #s 42 #define xstr(s) str(s) 43 44 #define _FUNC_TOKEN(func, type) func##type 45 #define FUNC_TOKEN(func, type) _FUNC_TOKEN(func, type) 46 47 #ifndef MH_SHA256_FUNC_TYPE 48 #define MH_SHA256_FUNC_TYPE 49 #endif 50 51 #define TEST_UPDATE_FUNCTION FUNC_TOKEN(mh_sha256_update, MH_SHA256_FUNC_TYPE) 52 #define TEST_FINAL_FUNCTION FUNC_TOKEN(mh_sha256_finalize, MH_SHA256_FUNC_TYPE) 53 54 #define CHECK_RETURN(state) \ 55 do { \ 56 if ((state) != MH_SHA256_CTX_ERROR_NONE) { \ 57 printf("The mh_sha256 function is failed.\n"); \ 58 return 1; \ 59 } \ 60 } while (0) 61 62 extern void 63 mh_sha256_ref(const void *buffer, uint32_t len, uint32_t *mh_sha256_digest); 64 65 // Generates pseudo-random data 66 void 67 rand_buffer(uint8_t *buf, long buffer_size) 68 { 69 long i; 70 for (i = 0; i < buffer_size; i++) 71 buf[i] = rand(); 72 } 73 74 void 75 dump(char *buf, int len) 76 { 77 int i; 78 for (i = 0; i < len;) { 79 printf(" %2x", 0xff & buf[i++]); 80 if (i % 20 == 0) 81 printf("\n"); 82 } 83 if (i % 20 != 0) 84 printf("\n"); 85 } 86 87 int 88 compare_digests(uint32_t hash_ref[SHA256_DIGEST_WORDS], uint32_t hash_test[SHA256_DIGEST_WORDS]) 89 { 90 int i; 91 int mh_sha256_fail = 0; 92 93 for (i = 0; i < SHA256_DIGEST_WORDS; i++) { 94 if (hash_test[i] != hash_ref[i]) 95 mh_sha256_fail++; 96 } 97 98 if (mh_sha256_fail) { 99 printf("mh_sha256 fail test\n"); 100 printf("ref: "); 101 dump((char *) hash_ref, 20); 102 printf("test: "); 103 dump((char *) hash_test, 20); 104 } 105 106 return mh_sha256_fail; 107 } 108 109 int 110 main(int argc, char *argv[]) 111 { 112 int fail = 0, i; 113 uint32_t hash_test[SHA256_DIGEST_WORDS], hash_ref[SHA256_DIGEST_WORDS]; 114 uint8_t *buff = NULL; 115 int update_count; 116 int size1, size2, offset, addr_offset; 117 struct mh_sha256_ctx *update_ctx = NULL; 118 uint8_t *mem_addr = NULL; 119 120 printf(xstr(TEST_UPDATE_FUNCTION) "_test:"); 121 122 srand(TEST_SEED); 123 124 buff = malloc(TEST_LEN); 125 update_ctx = malloc(sizeof(*update_ctx)); 126 127 if (buff == NULL || update_ctx == NULL) { 128 printf("malloc failed test aborted\n"); 129 goto end_ctx; 130 } 131 // Rand test1 132 rand_buffer(buff, TEST_LEN); 133 134 mh_sha256_ref(buff, TEST_LEN, hash_ref); 135 136 CHECK_RETURN(mh_sha256_init(update_ctx)); 137 CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff, TEST_LEN)); 138 CHECK_RETURN(TEST_FINAL_FUNCTION(update_ctx, hash_test)); 139 140 fail = compare_digests(hash_ref, hash_test); 141 142 if (fail) { 143 printf("fail rand1 test\n"); 144 goto end_ctx; 145 } else 146 putchar('.'); 147 148 // Test various size messages by update twice. 149 printf("\n various size messages by update twice tests"); 150 for (size1 = TEST_LEN; size1 >= 0; size1--) { 151 152 // Fill with rand data 153 rand_buffer(buff, TEST_LEN); 154 155 mh_sha256_ref(buff, TEST_LEN, hash_ref); 156 157 // subsequent update 158 size2 = TEST_LEN - size1; // size2 is different with the former 159 CHECK_RETURN(mh_sha256_init(update_ctx)); 160 CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff, size1)); 161 CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff + size1, size2)); 162 CHECK_RETURN(TEST_FINAL_FUNCTION(update_ctx, hash_test)); 163 164 fail = compare_digests(hash_ref, hash_test); 165 166 if (fail) { 167 printf("Fail size1=%d\n", size1); 168 goto end_ctx; 169 } 170 171 if ((size2 & 0xff) == 0) { 172 putchar('.'); 173 fflush(0); 174 } 175 } 176 177 // Test various update count 178 printf("\n various update count tests"); 179 for (update_count = 1; update_count <= TEST_LEN; update_count++) { 180 181 // Fill with rand data 182 rand_buffer(buff, TEST_LEN); 183 184 mh_sha256_ref(buff, TEST_LEN, hash_ref); 185 186 // subsequent update 187 size1 = TEST_LEN / update_count; 188 size2 = TEST_LEN - size1 * (update_count - 1); // size2 is different with the former 189 190 CHECK_RETURN(mh_sha256_init(update_ctx)); 191 for (i = 1, offset = 0; i < update_count; i++) { 192 CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff + offset, size1)); 193 offset += size1; 194 } 195 CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff + offset, size2)); 196 CHECK_RETURN(TEST_FINAL_FUNCTION(update_ctx, hash_test)); 197 198 fail = compare_digests(hash_ref, hash_test); 199 200 if (fail) { 201 printf("Fail size1=%d\n", size1); 202 goto end_ctx; 203 } 204 205 if ((size2 & 0xff) == 0) { 206 putchar('.'); 207 fflush(0); 208 } 209 } 210 211 // test various start address of ctx. 212 printf("\n various start address of ctx test"); 213 214 free(update_ctx); 215 216 // test various start address of ctx. 217 printf("\n various start address of ctx test"); 218 mem_addr = (uint8_t *) malloc(sizeof(*update_ctx) + AVX512_ALIGNED * 10); 219 if (mem_addr == NULL) { 220 fail++; 221 goto end; 222 } 223 224 for (addr_offset = AVX512_ALIGNED * 10; addr_offset >= 0; addr_offset--) { 225 226 // Fill with rand data 227 rand_buffer(buff, TEST_LEN); 228 229 mh_sha256_ref(buff, TEST_LEN, hash_ref); 230 231 // a unaligned offset 232 update_ctx = (struct mh_sha256_ctx *) (mem_addr + addr_offset); 233 CHECK_RETURN(mh_sha256_init(update_ctx)); 234 CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff, TEST_LEN)); 235 CHECK_RETURN(TEST_FINAL_FUNCTION(update_ctx, hash_test)); 236 237 fail = compare_digests(hash_ref, hash_test); 238 239 if (fail) { 240 printf("Fail addr_offset=%d\n", addr_offset); 241 goto end; 242 } 243 244 if ((addr_offset & 0xf) == 0) { 245 putchar('.'); 246 fflush(0); 247 } 248 } 249 end: 250 if (mem_addr != NULL) 251 free(mem_addr); 252 if (buff != NULL) 253 free(buff); 254 255 printf("\n" xstr(TEST_UPDATE_FUNCTION) "_test: %s\n", fail == 0 ? "Pass" : "Fail"); 256 257 return fail; 258 259 end_ctx: 260 if (update_ctx != NULL) 261 free(update_ctx); 262 goto end; 263 } 264