commit 2d18797ec691cd95d9f08271840d024a0e7a3311
author QUICHE team <quiche-dev@google.com> Tue Mar 19 16:23:47 2019 -0700
committer Copybara-Service <copybara-worker@google.com> Tue Mar 19 16:24:53 2019 -0700
tree 4c8a0f2ef378d6118cb96921da45ad4a996d8893
parent c89c7994877092d0a08d5d46995597fa3c81bbbe

Add support for Header Protection to QuicCrypter classes

gfe-relnote: no behavior change (adds unused methods to QuicCrypter classes)
PiperOrigin-RevId: 239293044
Change-Id: I0365ad92962102714787b44d346f5c698900ead9

quic/core/crypto/quic_decrypter.h

diff --git a/quic/core/crypto/quic_decrypter.h b/quic/core/crypto/quic_decrypter.h
index a2b104c..559420c 100644
--- a/quic/core/crypto/quic_decrypter.h
+++ b/quic/core/crypto/quic_decrypter.h
@@ -11,6 +11,7 @@
 #include <string>
 
 #include "net/third_party/quiche/src/quic/core/crypto/quic_crypter.h"
+#include "net/third_party/quiche/src/quic/core/quic_data_reader.h"
 #include "net/third_party/quiche/src/quic/core/quic_packets.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
@@ -60,6 +61,13 @@
                              size_t* output_length,
                              size_t max_output_length) = 0;
 
+  // Reads a sample of ciphertext from |sample_reader| and uses the header
+  // protection key to generate a mask to use for header protection. If
+  // successful, this function returns this mask, which is at least 5 bytes
+  // long. Callers can detect failure by checking if the output string is empty.
+  virtual std::string GenerateHeaderProtectionMask(
+      QuicDataReader* sample_reader) = 0;
+
   // The ID of the cipher. Return 0x03000000 ORed with the 'cryptographic suite
   // selector'.
   virtual uint32_t cipher_id() const = 0;