// Perform a hash of the provided cert, then search in the RootHashes.inc data
// structure for a matching bin number.
int32_t
RootCABinNumber(const SECItem* cert)
{
Digest digest;
// Compute SHA256 hash of the certificate
nsresult rv = digest.DigestBuf(SEC_OID_SHA256, cert->data, cert->len);
if (NS_WARN_IF(NS_FAILED(rv))) {
return ROOT_CERTIFICATE_HASH_FAILURE;
}
// Compare against list of stored hashes
size_t idx;
MOZ_LOG(gPublicKeyPinningTelemetryLog, LogLevel::Debug,
("pkpinTelem: First bytes %02x %02x %02x %02x\n",
digest.get().data[0], digest.get().data[1], digest.get().data[2], digest.get().data[3]));
if (mozilla::BinarySearchIf(ROOT_TABLE, 0, ArrayLength(ROOT_TABLE),
BinaryHashSearchArrayComparator(static_cast<uint8_t*>(digest.get().data),
digest.get().len),
&idx)) {
MOZ_LOG(gPublicKeyPinningTelemetryLog, LogLevel::Debug,
("pkpinTelem: Telemetry index was %" PRIuSIZE ", bin is %d\n",
idx, ROOT_TABLE[idx].binNumber));
return (int32_t) ROOT_TABLE[idx].binNumber;
}
// Didn't match.
return ROOT_CERTIFICATE_UNKNOWN;
}
// Perform a hash of the provided cert, then search in the RootHashes.inc data
// structure for a matching bin number.
int32_t
RootCABinNumber(const SECItem* cert)
{
Digest digest;
// Compute SHA256 hash of the certificate
nsresult rv = digest.DigestBuf(SEC_OID_SHA256, cert->data, cert->len);
if (NS_WARN_IF(NS_FAILED(rv))) {
return HASH_FAILURE;
}
// Compare against list of stored hashes
size_t idx;
PR_LOG(PublicKeyPinningTelemetryLog(), PR_LOG_DEBUG,
("pkpinTelem: First bytes %02hx %02hx %02hx %02hx\n",
digest.get().data[0], digest.get().data[1], digest.get().data[2], digest.get().data[3]));
if (mozilla::BinarySearchIf(ROOT_TABLE, 0, ArrayLength(ROOT_TABLE),
BinaryHashSearchArrayComparator(
reinterpret_cast<const uint8_t*>(digest.get().data), digest.get().len),
&idx)) {
PR_LOG(PublicKeyPinningTelemetryLog(), PR_LOG_DEBUG,
("pkpinTelem: Telemetry index was %lu, bin is %d\n",
idx, ROOT_TABLE[idx].binNumber));
return (int32_t) ROOT_TABLE[idx].binNumber;
}
// Didn't match.
return UNKNOWN_ROOT;
}