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