ceph/src/crypto/isa-l/isa-l_crypto/aes/gcm_ossl_perf.c

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  29
  30 #include <stdio.h>
  31 #include <stdlib.h>             // for rand
  32 #include <string.h>             // for memcmp
  33 #include <aes_gcm.h>
  34 #include <test.h>
  35 #include "ossl_helper.h"
  36 #include "gcm_vectors.h"
  37
  38 #ifdef CACHED_TEST
  39 // Cached test, loop many times over small dataset
  40 # define TEST_LEN     8*1024
  41 # define TEST_LOOPS   400000
  42 # define TEST_TYPE_STR "_warm"
  43 #else
  44 // Uncached test.  Pull from large mem base.
  45 #  define GT_L3_CACHE  32*1024*1024     /* some number > last level cache */
  46 #  define TEST_LEN     (2 * GT_L3_CACHE)
  47 #  define TEST_LOOPS   50
  48 #  define TEST_TYPE_STR "_cold"
  49 #endif
  50
  51 #define AAD_LENGTH   16
  52 #define TEST_MEM TEST_LEN
  53
  54 static unsigned char *plaintext, *gcm_plaintext, *cyphertext, *ossl_plaintext,
  55     *ossl_cyphertext, *gcm_tag, *ossl_tag, *IV, *AAD;
  56 static uint8_t key128[GCM_128_KEY_LEN];
  57 static uint8_t key256[GCM_256_KEY_LEN];
  58 uint8_t iv_len = 0;
  59
  60 void mk_rand_data(uint8_t * data, uint32_t size)
  61 {
  62         unsigned int i;
  63         for (i = 0; i < size; i++) {
  64                 *data++ = rand();
  65         }
  66 }
  67
  68 int check_data(uint8_t * test, uint8_t * expected, uint64_t len, int vect, char *data_name)
  69 {
  70         int mismatch;
  71         int OK = 1;
  72
  73         mismatch = memcmp(test, expected, len);
  74         if (mismatch) {
  75                 OK = 0;
  76                 printf("  v[%d] expected results don't match %s \t\t", vect, data_name);
  77                 {
  78                         uint64_t a;
  79                         for (a = 0; a < len; a++) {
  80                                 if (test[a] != expected[a]) {
  81                                         printf(" '%x' != '%x' at %lx of %lx\n",
  82                                                test[a], expected[a], a, len);
  83                                         break;
  84                                 }
  85                         }
  86                 }
  87         }
  88         return OK;
  89 }
  90
  91 void aes_gcm_perf(void)
  92 {
  93         struct gcm_data gdata;
  94         struct gcm_data gdata256;
  95         int i;
  96
  97         printf
  98             ("AES GCM performace parameters plain text length:%d; IV length:%d; ADD length:%d \n",
  99              TEST_LEN, GCM_IV_LEN, AAD_LENGTH);
 100
 101         mk_rand_data(key128, sizeof(key128));
 102         mk_rand_data(key256, sizeof(key256));
 103
 104         // This is only required once for a given key
 105         aesni_gcm128_pre(key128, &gdata);
 106         aesni_gcm256_pre(key256, &gdata256);
 107
 108         // Preload code cache
 109         aesni_gcm128_enc(&gdata, cyphertext, plaintext, TEST_LEN, IV, AAD, AAD_LENGTH,
 110                          gcm_tag, MAX_TAG_LEN);
 111         openssl_aes_gcm_enc(key128, IV, iv_len, AAD, AAD_LENGTH, ossl_tag, MAX_TAG_LEN,
 112                             plaintext, TEST_LEN, ossl_cyphertext);
 113         check_data(cyphertext, ossl_cyphertext, TEST_LEN, 0,
 114                    "ISA-L vs OpenSSL 128 key cypher text (C)");
 115         check_data(gcm_tag, ossl_tag, MAX_TAG_LEN, 0, "ISA-L vs OpenSSL 128 tag (T)");
 116         aesni_gcm256_enc(&gdata256, cyphertext, plaintext, TEST_LEN, IV, AAD, AAD_LENGTH,
 117                          gcm_tag, MAX_TAG_LEN);
 118         openssl_aes_256_gcm_enc(key256, IV, iv_len, AAD, AAD_LENGTH, ossl_tag, MAX_TAG_LEN,
 119                                 plaintext, TEST_LEN, ossl_cyphertext);
 120         check_data(cyphertext, ossl_cyphertext, TEST_LEN, 0,
 121                    "ISA-L vs OpenSSL 256 cypher text (C)");
 122         check_data(gcm_tag, ossl_tag, MAX_TAG_LEN, 0, "ISA-L vs OpenSSL 256 tag (T)");
 123
 124         {
 125                 struct perf start, stop;
 126
 127                 perf_start(&start);
 128                 for (i = 0; i < TEST_LOOPS; i++) {
 129                         aesni_gcm128_enc(&gdata, cyphertext, plaintext, TEST_LEN, IV, AAD,
 130                                          AAD_LENGTH, gcm_tag, MAX_TAG_LEN);
 131                 }
 132
 133                 perf_stop(&stop);
 134                 printf("        aes_gcm_enc" TEST_TYPE_STR ":\t");
 135                 perf_print(stop, start, (long long)TEST_LEN * i);
 136         }
 137         {
 138                 struct perf start, stop;
 139
 140                 perf_start(&start);
 141                 for (i = 0; i < TEST_LOOPS; i++) {
 142                         openssl_aes_gcm_enc(key128, IV, iv_len, AAD, AAD_LENGTH,
 143                                             ossl_tag, MAX_TAG_LEN, plaintext, TEST_LEN,
 144                                             cyphertext);
 145                 }
 146
 147                 perf_stop(&stop);
 148                 printf("openssl_aes_gcm_enc" TEST_TYPE_STR ":\t");
 149                 perf_print(stop, start, (long long)TEST_LEN * i);
 150         }
 151         {
 152                 struct perf start, stop;
 153
 154                 perf_start(&start);
 155                 for (i = 0; i < TEST_LOOPS; i++) {
 156                         aesni_gcm128_dec(&gdata, plaintext, cyphertext, TEST_LEN, IV,
 157                                          AAD, AAD_LENGTH, gcm_tag, MAX_TAG_LEN);
 158                         check_data(gcm_tag, gcm_tag, MAX_TAG_LEN, 0, "ISA-L check of tag (T)");
 159                 }
 160
 161                 perf_stop(&stop);
 162                 printf("        aes_gcm_dec" TEST_TYPE_STR ":\t");
 163                 perf_print(stop, start, (long long)TEST_LEN * i);
 164         }
 165         {
 166                 struct perf start, stop;
 167
 168                 perf_start(&start);
 169                 for (i = 0; i < TEST_LOOPS; i++) {
 170                         openssl_aes_gcm_dec(key128, IV, iv_len, AAD, AAD_LENGTH,
 171                                             ossl_tag, MAX_TAG_LEN, cyphertext, TEST_LEN,
 172                                             plaintext);
 173                 }
 174
 175                 perf_stop(&stop);
 176                 printf("openssl_aes_gcm_enc" TEST_TYPE_STR ":\t");
 177                 perf_print(stop, start, (long long)TEST_LEN * i);
 178         }
 179
 180         printf("\n");
 181         {
 182                 struct perf start, stop;
 183
 184                 perf_start(&start);
 185                 for (i = 0; i < TEST_LOOPS; i++) {
 186                         aesni_gcm256_enc(&gdata256, cyphertext, plaintext, TEST_LEN, IV, AAD,
 187                                          AAD_LENGTH, gcm_tag, MAX_TAG_LEN);
 188                 }
 189
 190                 perf_stop(&stop);
 191                 printf("         aes_gcm256_enc" TEST_TYPE_STR ":\t");
 192                 perf_print(stop, start, (long long)TEST_LEN * i);
 193         }
 194
 195         {
 196                 struct perf start, stop;
 197
 198                 perf_start(&start);
 199                 for (i = 0; i < TEST_LOOPS; i++) {
 200                         openssl_aes_256_gcm_enc(key256, IV, iv_len, AAD, AAD_LENGTH,
 201                                                 ossl_tag, MAX_TAG_LEN, plaintext, TEST_LEN,
 202                                                 cyphertext);
 203                 }
 204
 205                 perf_stop(&stop);
 206                 printf("openssl_aes_256_gcm_enc" TEST_TYPE_STR ":\t");
 207                 perf_print(stop, start, (long long)TEST_LEN * i);
 208         }
 209
 210         {
 211                 struct perf start, stop;
 212
 213                 perf_start(&start);
 214                 for (i = 0; i < TEST_LOOPS; i++) {
 215                         aesni_gcm256_dec(&gdata256, plaintext, cyphertext, TEST_LEN, IV,
 216                                          AAD, AAD_LENGTH, gcm_tag, MAX_TAG_LEN);
 217                         check_data(gcm_tag, gcm_tag, MAX_TAG_LEN, 0,
 218                                    "ISA-L check of 256 tag (T)");
 219                 }
 220
 221                 perf_stop(&stop);
 222                 printf("         aes_gcm256_dec" TEST_TYPE_STR ":\t");
 223                 perf_print(stop, start, (long long)TEST_LEN * i);
 224         }
 225         {
 226                 struct perf start, stop;
 227
 228                 perf_start(&start);
 229                 for (i = 0; i < TEST_LOOPS; i++) {
 230                         openssl_aes_256_gcm_dec(key256, IV, iv_len, AAD, AAD_LENGTH,
 231                                                 ossl_tag, MAX_TAG_LEN, cyphertext, TEST_LEN,
 232                                                 plaintext);
 233                 }
 234
 235                 perf_stop(&stop);
 236                 printf("openssl_aes_256_gcm_enc" TEST_TYPE_STR ":\t");
 237                 perf_print(stop, start, (long long)TEST_LEN * i);
 238         }
 239 }
 240
 241 int main(void)
 242 {
 243         uint8_t const IVend[] = GCM_IV_END_MARK;
 244         uint32_t OK = 1;
 245
 246         plaintext = malloc(TEST_LEN);
 247         gcm_plaintext = malloc(TEST_LEN);
 248         cyphertext = malloc(TEST_LEN);
 249         ossl_plaintext = malloc(TEST_LEN + 16);
 250         ossl_cyphertext = malloc(TEST_LEN);
 251         gcm_tag = malloc(MAX_TAG_LEN);
 252         ossl_tag = malloc(MAX_TAG_LEN);
 253         AAD = malloc(AAD_LENGTH);
 254         IV = malloc(GCM_IV_LEN);
 255         if ((NULL == plaintext) || (NULL == cyphertext) || (NULL == gcm_plaintext)
 256             || (NULL == ossl_plaintext) || (NULL == ossl_cyphertext)
 257             || (NULL == gcm_tag) || (NULL == ossl_tag) || (NULL == AAD) || (NULL == IV)) {
 258                 printf("malloc of testsize:0x%x failed\n", TEST_LEN);
 259                 return -1;
 260         }
 261
 262         mk_rand_data(plaintext, TEST_LEN);
 263         mk_rand_data(AAD, AAD_LENGTH);
 264         mk_rand_data(IV, GCM_IV_LEN);
 265         memcpy(&IV[GCM_IV_END_START], IVend, sizeof(IVend));
 266         iv_len = GCM_IV_LEN - sizeof(IVend);    //end marker not part of IV length
 267
 268         aes_gcm_perf();
 269         printf("AES gcm ISA-L vs OpenSSL performance\n");
 270
 271         return !OK;
 272 }