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Side by Side Diff: net/quic/crypto/aead_base_encrypter.h

Issue 1882433002: Removing NSS files and USE_OPENSSL flag (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase. Created 4 years, 8 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef NET_QUIC_CRYPTO_AEAD_BASE_ENCRYPTER_H_ 5 #ifndef NET_QUIC_CRYPTO_AEAD_BASE_ENCRYPTER_H_
6 #define NET_QUIC_CRYPTO_AEAD_BASE_ENCRYPTER_H_ 6 #define NET_QUIC_CRYPTO_AEAD_BASE_ENCRYPTER_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 9
10 #include "base/compiler_specific.h" 10 #include "base/compiler_specific.h"
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "net/quic/crypto/quic_encrypter.h" 12 #include "net/quic/crypto/quic_encrypter.h"
13
14 #if defined(USE_OPENSSL)
15 #include "net/quic/crypto/scoped_evp_aead_ctx.h" 13 #include "net/quic/crypto/scoped_evp_aead_ctx.h"
16 #else
17 #include <pkcs11t.h>
18 #endif
19 14
20 namespace net { 15 namespace net {
21 16
22 // AeadBaseEncrypter is the base class of AEAD QuicEncrypter subclasses. 17 // AeadBaseEncrypter is the base class of AEAD QuicEncrypter subclasses.
23 class NET_EXPORT_PRIVATE AeadBaseEncrypter : public QuicEncrypter { 18 class NET_EXPORT_PRIVATE AeadBaseEncrypter : public QuicEncrypter {
24 public: 19 public:
25 #if defined(USE_OPENSSL)
26 AeadBaseEncrypter(const EVP_AEAD* aead_alg, 20 AeadBaseEncrypter(const EVP_AEAD* aead_alg,
27 size_t key_size, 21 size_t key_size,
28 size_t auth_tag_size, 22 size_t auth_tag_size,
29 size_t nonce_prefix_size); 23 size_t nonce_prefix_size);
30 #else
31 AeadBaseEncrypter(CK_MECHANISM_TYPE aead_mechanism,
32 size_t key_size,
33 size_t auth_tag_size,
34 size_t nonce_prefix_size);
35 #endif
36 ~AeadBaseEncrypter() override; 24 ~AeadBaseEncrypter() override;
37 25
38 // QuicEncrypter implementation 26 // QuicEncrypter implementation
39 bool SetKey(base::StringPiece key) override; 27 bool SetKey(base::StringPiece key) override;
40 bool SetNoncePrefix(base::StringPiece nonce_prefix) override; 28 bool SetNoncePrefix(base::StringPiece nonce_prefix) override;
41 bool EncryptPacket(QuicPathId path_id, 29 bool EncryptPacket(QuicPathId path_id,
42 QuicPacketNumber packet_number, 30 QuicPacketNumber packet_number,
43 base::StringPiece associated_data, 31 base::StringPiece associated_data,
44 base::StringPiece plaintext, 32 base::StringPiece plaintext,
45 char* output, 33 char* output,
(...skipping 13 matching lines...) Expand all
59 base::StringPiece plaintext, 47 base::StringPiece plaintext,
60 unsigned char* output); 48 unsigned char* output);
61 49
62 protected: 50 protected:
63 // Make these constants available to the subclasses so that the subclasses 51 // Make these constants available to the subclasses so that the subclasses
64 // can assert at compile time their key_size_ and nonce_prefix_size_ do not 52 // can assert at compile time their key_size_ and nonce_prefix_size_ do not
65 // exceed the maximum. 53 // exceed the maximum.
66 static const size_t kMaxKeySize = 32; 54 static const size_t kMaxKeySize = 32;
67 static const size_t kMaxNoncePrefixSize = 4; 55 static const size_t kMaxNoncePrefixSize = 4;
68 56
69 #if !defined(USE_OPENSSL)
70 struct AeadParams {
71 unsigned int len;
72 union {
73 CK_GCM_PARAMS gcm_params;
74 CK_NSS_AEAD_PARAMS nss_aead_params;
75 } data;
76 };
77
78 virtual void FillAeadParams(base::StringPiece nonce,
79 base::StringPiece associated_data,
80 size_t auth_tag_size,
81 AeadParams* aead_params) const = 0;
82 #endif
83
84 private: 57 private:
85 #if defined(USE_OPENSSL)
86 const EVP_AEAD* const aead_alg_; 58 const EVP_AEAD* const aead_alg_;
87 #else
88 const CK_MECHANISM_TYPE aead_mechanism_;
89 #endif
90 const size_t key_size_; 59 const size_t key_size_;
91 const size_t auth_tag_size_; 60 const size_t auth_tag_size_;
92 const size_t nonce_prefix_size_; 61 const size_t nonce_prefix_size_;
93 62
94 // The key. 63 // The key.
95 unsigned char key_[kMaxKeySize]; 64 unsigned char key_[kMaxKeySize];
96 // The nonce prefix. 65 // The nonce prefix.
97 unsigned char nonce_prefix_[kMaxNoncePrefixSize]; 66 unsigned char nonce_prefix_[kMaxNoncePrefixSize];
98 67
99 #if defined(USE_OPENSSL)
100 ScopedEVPAEADCtx ctx_; 68 ScopedEVPAEADCtx ctx_;
101 #endif
102 69
103 DISALLOW_COPY_AND_ASSIGN(AeadBaseEncrypter); 70 DISALLOW_COPY_AND_ASSIGN(AeadBaseEncrypter);
104 }; 71 };
105 72
106 } // namespace net 73 } // namespace net
107 74
108 #endif // NET_QUIC_CRYPTO_AEAD_BASE_ENCRYPTER_H_ 75 #endif // NET_QUIC_CRYPTO_AEAD_BASE_ENCRYPTER_H_
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