Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 89 insertions, 0 deletions

diff --git a/security/ct/MultiLogCTVerifier.h b/security/ct/MultiLogCTVerifier.h
new file mode 100644
index 0000000000..983f96677b
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+++ b/security/ct/MultiLogCTVerifier.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MultiLogCTVerifier_h
+#define MultiLogCTVerifier_h
+
+#include <vector>
+
+#include "CTLogVerifier.h"
+#include "CTVerifyResult.h"
+#include "mozpkix/Input.h"
+#include "mozpkix/Result.h"
+#include "mozpkix/Time.h"
+#include "SignedCertificateTimestamp.h"
+
+namespace mozilla {
+namespace ct {
+
+void DecodeSCTs(pkix::Input encodedSctList,
+                std::vector<SignedCertificateTimestamp>& decodedSCTs,
+                size_t& decodingErrors);
+
+// A Certificate Transparency verifier that can verify Signed Certificate
+// Timestamps from multiple logs.
+class MultiLogCTVerifier {
+ public:
+  // Adds a new log to the list of known logs to verify against.
+  void AddLog(CTLogVerifier&& log);
+
+  // Verifies SCTs embedded in the certificate itself, SCTs embedded in a
+  // stapled OCSP response, and SCTs obtained via the
+  // signed_certificate_timestamp TLS extension on the given |cert|.
+  //
+  // A certificate is permitted but not required to use multiple sources for
+  // SCTs. It is expected that most certificates will use only one source
+  // (embedding, TLS extension or OCSP stapling).
+  //
+  // The verifier stops on fatal errors (such as out of memory or invalid
+  // DER encoding of |cert|), but it does not stop on SCT decoding errors. See
+  // CTVerifyResult for more details.
+  //
+  // The internal state of the verifier object is not modified
+  // during the verification process.
+  //
+  // |cert|  DER-encoded certificate to be validated using the provided SCTs.
+  // |sctListFromCert|  SCT list embedded in |cert|, empty if not present.
+  // |issuerSubjectPublicKeyInfo|  SPKI of |cert|'s issuer. Can be empty,
+  //                               in which case the embedded SCT list
+  //                               won't be verified.
+  // |sctListFromOCSPResponse|  SCT list included in a stapled OCSP response
+  //                            for |cert|. Empty if not available.
+  // |sctListFromTLSExtension|  is the SCT list from the TLS extension. Empty
+  //                            if no extension was present.
+  // |time|  the current time. Used to make sure SCTs are not in the future.
+  // |result|  will be filled with the SCTs present, divided into categories
+  //           based on the verification result.
+  pkix::Result Verify(pkix::Input cert, pkix::Input issuerSubjectPublicKeyInfo,
+                      pkix::Input sctListFromCert,
+                      pkix::Input sctListFromOCSPResponse,
+                      pkix::Input sctListFromTLSExtension, pkix::Time time,
+                      CTVerifyResult& result);
+
+ private:
+  // Verifies a list of SCTs from |encodedSctList| over |expectedEntry|,
+  // placing the verification results in |result|. The SCTs in the list
+  // come from |origin| (as will be reflected in the origin field of each SCT).
+  pkix::Result VerifySCTs(pkix::Input encodedSctList,
+                          const LogEntry& expectedEntry,
+                          VerifiedSCT::Origin origin, pkix::Time time,
+                          CTVerifyResult& result);
+
+  // Verifies a single, parsed SCT against all known logs.
+  // Note: moves |sct| to the target list in |result|, invalidating |sct|.
+  pkix::Result VerifySingleSCT(SignedCertificateTimestamp&& sct,
+                               const ct::LogEntry& expectedEntry,
+                               VerifiedSCT::Origin origin, pkix::Time time,
+                               CTVerifyResult& result);
+
+  // The list of known logs.
+  std::vector<CTLogVerifier> mLogs;
+};
+
+}  // namespace ct
+}  // namespace mozilla
+
+#endif  // MultiLogCTVerifier_h