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Add PRNG sample outputs to test_rand.

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This commit is contained in:
Douglas Stebila 2016-09-01 16:55:33 -04:00
parent b7cfda3e1b
commit ae0b30de9f
1 changed files with 34 additions and 0 deletions
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34
src/rand/test_rand.c
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@ -50,6 +50,14 @@ static int rand_test_distribution_n(OQS_RAND *rand, unsigned long occurrences[25
return 1; return 1;
} }
#define PRINT_HEX_STRING(label, str, len) { \
printf("%-20s (%4zu bytes): ", (label), (size_t) (len)); \
for (size_t i = 0; i < (len); i++) { \
printf("%02X", ((unsigned char *) (str)) [i]); \
} \
printf("\n"); \
}
static int rand_test_distribution_wrapper(OQS_RAND * (*new_method)(), int iterations) { static int rand_test_distribution_wrapper(OQS_RAND * (*new_method)(), int iterations) {
OQS_RAND *rand = new_method(); OQS_RAND *rand = new_method();
@ -58,6 +66,32 @@ static int rand_test_distribution_wrapper(OQS_RAND * (*new_method)(), int iterat
return 0; return 0;
} }
printf("================================================================================\n");
printf("Sample outputs of PRNG %s\n", rand->method_name);
printf("================================================================================\n");
uint8_t x[256];
OQS_RAND_n(rand, x, 256);
PRINT_HEX_STRING("OQS_RAND_n, n = 256", x, 256)
uint8_t y8 = OQS_RAND_8(rand);
PRINT_HEX_STRING("OQS_RAND_8", (uint8_t *) &y8, sizeof(y8));
y8 = OQS_RAND_8(rand);
PRINT_HEX_STRING("OQS_RAND_8", (uint8_t *) &y8, sizeof(y8));
uint32_t y32 = OQS_RAND_32(rand);
PRINT_HEX_STRING("OQS_RAND_32", (uint8_t *) &y32, sizeof(y32));
y32 = OQS_RAND_32(rand);
PRINT_HEX_STRING("OQS_RAND_32", (uint8_t *) &y32, sizeof(y32));
uint64_t y64 = OQS_RAND_64(rand);
PRINT_HEX_STRING("OQS_RAND_64", (uint8_t *) &y64, sizeof(y64));
y64 = OQS_RAND_64(rand);
PRINT_HEX_STRING("OQS_RAND_64", (uint8_t *) &y64, sizeof(y64));
OQS_RAND_n(rand, x, 256);
PRINT_HEX_STRING("OQS_RAND_n, n = 256", x, 256)
printf("================================================================================\n"); printf("================================================================================\n");
printf("Testing distribution of PRNG %s\n", rand->method_name); printf("Testing distribution of PRNG %s\n", rand->method_name);
printf("================================================================================\n"); printf("================================================================================\n");