1// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef NET_QUIC_CRYPTO_PROOF_VERIFIER_H_ 6#define NET_QUIC_CRYPTO_PROOF_VERIFIER_H_ 7 8#include <string> 9#include <vector> 10 11#include "base/memory/scoped_ptr.h" 12#include "net/base/net_export.h" 13#include "net/quic/quic_types.h" 14 15namespace net { 16 17// ProofVerifyDetails is an abstract class that acts as a container for any 18// implementation specific details that a ProofVerifier wishes to return. These 19// details are saved in the CachedState for the origin in question. 20class NET_EXPORT_PRIVATE ProofVerifyDetails { 21 public: 22 virtual ~ProofVerifyDetails() {} 23 24 // Returns an new ProofVerifyDetails object with the same contents 25 // as this one. 26 virtual ProofVerifyDetails* Clone() const = 0; 27}; 28 29// ProofVerifyContext is an abstract class that acts as a container for any 30// implementation specific context that a ProofVerifier needs. 31class NET_EXPORT_PRIVATE ProofVerifyContext { 32 public: 33 virtual ~ProofVerifyContext() {} 34}; 35 36// ProofVerifierCallback provides a generic mechanism for a ProofVerifier to 37// call back after an asynchronous verification. 38class NET_EXPORT_PRIVATE ProofVerifierCallback { 39 public: 40 virtual ~ProofVerifierCallback() {} 41 42 // Run is called on the original thread to mark the completion of an 43 // asynchonous verification. If |ok| is true then the certificate is valid 44 // and |error_details| is unused. Otherwise, |error_details| contains a 45 // description of the error. |details| contains implementation-specific 46 // details of the verification. |Run| may take ownership of |details| by 47 // calling |release| on it. 48 virtual void Run(bool ok, 49 const std::string& error_details, 50 scoped_ptr<ProofVerifyDetails>* details) = 0; 51}; 52 53// A ProofVerifier checks the signature on a server config, and the certificate 54// chain that backs the public key. 55class NET_EXPORT_PRIVATE ProofVerifier { 56 public: 57 virtual ~ProofVerifier() {} 58 59 // VerifyProof checks that |signature| is a valid signature of 60 // |server_config| by the public key in the leaf certificate of |certs|, and 61 // that |certs| is a valid chain for |hostname|. On success, it returns 62 // QUIC_SUCCESS. On failure, it returns QUIC_FAILURE and sets |*error_details| 63 // to a description of the problem. In either case it may set |*details|, 64 // which the caller takes ownership of. 65 // 66 // |context| specifies an implementation specific struct (which may be NULL 67 // for some implementations) that provides useful information for the 68 // verifier, e.g. logging handles. 69 // 70 // This function may also return QUIC_PENDING, in which case the ProofVerifier 71 // will call back, on the original thread, via |callback| when complete. 72 // In this case, the ProofVerifier will take ownership of |callback|. 73 // 74 // The signature uses SHA-256 as the hash function and PSS padding in the 75 // case of RSA. 76 virtual QuicAsyncStatus VerifyProof(const std::string& hostname, 77 const std::string& server_config, 78 const std::vector<std::string>& certs, 79 const std::string& signature, 80 const ProofVerifyContext* context, 81 std::string* error_details, 82 scoped_ptr<ProofVerifyDetails>* details, 83 ProofVerifierCallback* callback) = 0; 84}; 85 86} // namespace net 87 88#endif // NET_QUIC_CRYPTO_PROOF_VERIFIER_H_ 89