diff options
| -rw-r--r-- | src/test/test-siphash24.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/test/test-siphash24.c b/src/test/test-siphash24.c index ec9f64686f..65eb2b6f35 100644 --- a/src/test/test-siphash24.c +++ b/src/test/test-siphash24.c @@ -26,15 +26,17 @@ /* see https://131002.net/siphash/siphash.pdf, Appendix A */ int main(int argc, char *argv[]) { + struct siphash state = {}; const uint8_t in[15] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e }; const uint8_t key[16] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}; uint64_t out = 0; - unsigned k; + unsigned i, j, k; usec_t ts; siphash24((uint8_t *)&out, in, sizeof(in), key); + assert_se(out == 0xa129ca6149be45e5); assert_se(out == 0xa129ca6149be45e5ULL); @@ -44,4 +46,33 @@ int main(int argc, char *argv[]) { ts = now(CLOCK_MONOTONIC) - ts; log_info("%llu iterations per second", (ITERATIONS * USEC_PER_SEC) / ts); + + /* verify the internal state as given in the above paper */ + siphash_init(&state, key); + assert_se(state.v0 == 0x7469686173716475); + assert_se(state.v1 == 0x6b617f6d656e6665); + assert_se(state.v2 == 0x6b7f62616d677361); + assert_se(state.v3 == 0x7b6b696e727e6c7b); + siphash24_compress(in, sizeof(in), &state); + assert_se(state.v0 == 0x4a017198de0a59e0); + assert_se(state.v1 == 0x0d52f6f62a4f59a4); + assert_se(state.v2 == 0x634cb3577b01fd3d); + assert_se(state.v3 == 0xa5224d6f55c7d9c8); + assert_se(siphash24_finalize(&state) == 0xa129ca6149be45e5); + assert_se(state.v0 == 0xf6bcd53893fecff1); + assert_se(state.v1 == 0x54b9964c7ea0d937); + assert_se(state.v2 == 0x1b38329c099bb55a); + assert_se(state.v3 == 0x1814bb89ad7be679); + + /* verify that decomposing the input in three chunks gives the + same result */ + for (i = 0; i < sizeof(in); i++) { + for (j = i; j < sizeof(in); j++) { + siphash_init(&state, key); + siphash24_compress(in, i, &state); + siphash24_compress(&in[i], j - i, &state); + siphash24_compress(&in[j], sizeof(in) - j, &state); + assert_se(siphash24_finalize(&state) == 0xa129ca6149be45e5); + } + } } |