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added auto-test for secret generator

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This commit is contained in:
Yann Collet 2020-06-08 12:12:47 -07:00
parent 726e4fa4f4
commit 1b14f648d6
1 changed files with 49 additions and 1 deletions
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50
xxhsum.c
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@ -1105,7 +1105,33 @@ void BMK_testXXH128(const void* data, size_t len, U64 seed, XXH128_hash_t Nresul
}
}
#define SANITY_BUFFER_SIZE 2367
#define SECRET_SAMPLE_NBBYTES 4
typedef struct { U8 byte[SECRET_SAMPLE_NBBYTES]; } verifSample_t;
void BMK_testSecretGenerator(const void* customSeed, size_t len, verifSample_t result)
{
static int nbTests = 1;
const int sampleIndex[SECRET_SAMPLE_NBBYTES] = { 0, 62, 131, 191};
U8 secretBuffer[XXH3_SECRET_DEFAULT_SIZE] = {0};
verifSample_t samples;
int i;
DISPLAY("BMK_testSecretGenerator : len = %zu \n", len);
XXH3_generateSecret(secretBuffer, customSeed, len);
for (i=0; i<SECRET_SAMPLE_NBBYTES; i++) {
samples.byte[i] = secretBuffer[sampleIndex[i]];
}
if (memcmp(&samples, &result, sizeof(result))) {
DISPLAY("\rError: Secret generation test %i: Internal sanity check failed. \n", nbTests);
DISPLAY("\rGot { 0x%02X, 0x%02X, 0x%02X, 0x%02X }, expected { 0x%02X, 0x%02X, 0x%02X, 0x%02X } \n",
samples.byte[0], samples.byte[1], samples.byte[2], samples.byte[3],
result.byte[0], result.byte[1], result.byte[2], result.byte[3] );
exit(1);
}
nbTests++;
}
/*!
* BMK_sanityCheck():
@ -1115,6 +1141,7 @@ void BMK_testXXH128(const void* data, size_t len, U64 seed, XXH128_hash_t Nresul
*/
static void BMK_sanityCheck(void)
{
#define SANITY_BUFFER_SIZE 2367
U8 sanityBuffer[SANITY_BUFFER_SIZE];
BMK_fillTestBuffer(sanityBuffer, sizeof(sanityBuffer));
@ -1165,6 +1192,7 @@ static void BMK_sanityCheck(void)
BMK_testXXH3(sanityBuffer,2367, 0, 0x2EB8FEEDD2D1EF5DULL); /* 3 blocks, last stripe is overlapping */
BMK_testXXH3(sanityBuffer,2367, PRIME64, 0xCE1A757AD2D25057ULL); /* 3 blocks, last stripe is overlapping */
/* XXH3 with Custom Secret */
{ const void* const secret = sanityBuffer + 7;
const size_t secretSize = XXH3_SECRET_SIZE_MIN + 11;
assert(sizeof(sanityBuffer) >= XXH3_SECRET_SIZE_MIN + 7 + 11);
@ -1183,6 +1211,7 @@ static void BMK_sanityCheck(void)
BMK_testXXH3_withSecret(sanityBuffer,2367, secret, secretSize, 0x857320340D953686ULL); /* >= 2 blocks, at least one scrambling, last stripe unaligned */
}
/* XXH128 */
{ XXH128_hash_t const expected = { 0x1F17545BCE1061F1ULL, 0x07FD4E968E916AE1ULL };
BMK_testXXH128(NULL, 0, 0, expected); /* empty string */
}
@ -1262,6 +1291,25 @@ static void BMK_sanityCheck(void)
BMK_testXXH128(sanityBuffer,2367, PRIME32, expected); /* two blocks, last stripe is overlapping */
}
/* secret generator */
{ verifSample_t const expected = { { 0xB8, 0x26, 0x83, 0x7E } };
BMK_testSecretGenerator(NULL, 0, expected);
}
{ verifSample_t const expected = { { 0x25, 0x82, 0x62, 0x9A } };
BMK_testSecretGenerator(sanityBuffer, 1, expected);
}
{ verifSample_t const expected = { { 0xDA, 0x2A, 0x12, 0x11 } };
BMK_testSecretGenerator(sanityBuffer, XXH3_SECRET_SIZE_MIN - 1, expected);
}
{ verifSample_t const expected = { { 0x7E, 0x48, 0x0C, 0xA7 } };
BMK_testSecretGenerator(sanityBuffer, XXH3_SECRET_DEFAULT_SIZE + 500, expected);
}
DISPLAYLEVEL(3, "\r%70s\r", ""); /* Clean display line */
DISPLAYLEVEL(3, "Sanity check -- all tests ok\n");
}