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Side by Side Diff: net/quic/crypto/aes_128_gcm_12_encrypter.h

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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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_AES_128_GCM_12_ENCRYPTER_H_
6 #define NET_QUIC_CRYPTO_AES_128_GCM_12_ENCRYPTER_H_
7
8 #include "net/quic/crypto/aead_base_encrypter.h"
9
10 namespace net {
11
12 // An Aes128Gcm12Encrypter is a QuicEncrypter that implements the
13 // AEAD_AES_128_GCM_12 algorithm specified in RFC 5282. Create an instance by
14 // calling QuicEncrypter::Create(kAESG).
15 //
16 // It uses an authentication tag of 12 bytes (96 bits). The fixed prefix
17 // of the nonce is four bytes.
18 class NET_EXPORT_PRIVATE Aes128Gcm12Encrypter : public AeadBaseEncrypter {
19 public:
20 enum {
21 // Authentication tags are truncated to 96 bits.
22 kAuthTagSize = 12,
23 };
24
25 Aes128Gcm12Encrypter();
26 ~Aes128Gcm12Encrypter() override;
27
28 #if !defined(USE_OPENSSL)
29 protected:
30 // AeadBaseEncrypter methods:
31 void FillAeadParams(base::StringPiece nonce,
32 base::StringPiece associated_data,
33 size_t auth_tag_size,
34 AeadParams* aead_params) const override;
35 #endif
36
37 private:
38 DISALLOW_COPY_AND_ASSIGN(Aes128Gcm12Encrypter);
39 };
40
41 } // namespace net
42
43 #endif // NET_QUIC_CRYPTO_AES_128_GCM_12_ENCRYPTER_H_
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