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Unified Diff: net/quic/crypto/quic_encrypter.h

Issue 2193073003: Move shared files in net/quic/ into net/quic/core/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: io_thread_unittest.cc Created 4 years, 5 months ago
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Index: net/quic/crypto/quic_encrypter.h
diff --git a/net/quic/crypto/quic_encrypter.h b/net/quic/crypto/quic_encrypter.h
deleted file mode 100644
index a4cc9efe8eb313e1e83f85cf8019a98aa04b9956..0000000000000000000000000000000000000000
--- a/net/quic/crypto/quic_encrypter.h
+++ /dev/null
@@ -1,85 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_QUIC_CRYPTO_QUIC_ENCRYPTER_H_
-#define NET_QUIC_CRYPTO_QUIC_ENCRYPTER_H_
-
-#include <stddef.h>
-
-#include "net/base/net_export.h"
-#include "net/quic/quic_protocol.h"
-
-namespace net {
-
-class NET_EXPORT_PRIVATE QuicEncrypter {
- public:
- virtual ~QuicEncrypter() {}
-
- static QuicEncrypter* Create(QuicTag algorithm);
-
- // Sets the encryption key. Returns true on success, false on failure.
- //
- // NOTE: The key is the client_write_key or server_write_key derived from
- // the master secret.
- virtual bool SetKey(base::StringPiece key) = 0;
-
- // Sets the fixed initial bytes of the nonce. Returns true on success,
- // false on failure.
- //
- // NOTE: The nonce prefix is the client_write_iv or server_write_iv
- // derived from the master secret. A 64-bit packet number will
- // be appended to form the nonce.
- //
- // <------------ 64 bits ----------->
- // +---------------------+----------------------------------+
- // | Fixed prefix | packet number |
- // +---------------------+----------------------------------+
- // Nonce format
- //
- // The security of the nonce format requires that QUIC never reuse a
- // packet number, even when retransmitting a lost packet.
- virtual bool SetNoncePrefix(base::StringPiece nonce_prefix) = 0;
-
- // Writes encrypted |plaintext| and a MAC over |plaintext| and
- // |associated_data| into output. Sets |output_length| to the number of
- // bytes written. Returns true on success or false if there was an error.
- // |packet_number| is appended to the |nonce_prefix| value provided in
- // SetNoncePrefix() to form the nonce. |output| must not overlap with
- // |associated_data|. If |output| overlaps with |plaintext| then
- // |plaintext| must be <= |output|.
- virtual bool EncryptPacket(QuicPathId path_id,
- QuicPacketNumber packet_number,
- base::StringPiece associated_data,
- base::StringPiece plaintext,
- char* output,
- size_t* output_length,
- size_t max_output_length) = 0;
-
- // GetKeySize() and GetNoncePrefixSize() tell the HKDF class how many bytes
- // of key material needs to be derived from the master secret.
- // NOTE: the sizes returned by GetKeySize() and GetNoncePrefixSize() are
- // also correct for the QuicDecrypter of the same algorithm. So only
- // QuicEncrypter has these two methods.
-
- // Returns the size in bytes of a key for the algorithm.
- virtual size_t GetKeySize() const = 0;
- // Returns the size in bytes of the fixed initial part of the nonce.
- virtual size_t GetNoncePrefixSize() const = 0;
-
- // Returns the maximum length of plaintext that can be encrypted
- // to ciphertext no larger than |ciphertext_size|.
- virtual size_t GetMaxPlaintextSize(size_t ciphertext_size) const = 0;
-
- // Returns the length of the ciphertext that would be generated by encrypting
- // to plaintext of size |plaintext_size|.
- virtual size_t GetCiphertextSize(size_t plaintext_size) const = 0;
-
- // For use by unit tests only.
- virtual base::StringPiece GetKey() const = 0;
- virtual base::StringPiece GetNoncePrefix() const = 0;
-};
-
-} // namespace net
-
-#endif // NET_QUIC_CRYPTO_QUIC_ENCRYPTER_H_
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