session-android/libaxolotl/protobuf/WhisperTextProtocol.proto
Moxie Marlinspike 5ea3b3038e Remove verification tag.
1) Remove verification tag from PreKeyWhisperMessage.

2) Include sender and recipient identity keys in the MAC of
   each WhisperMessage.
2014-10-20 12:25:38 -07:00

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Protocol Buffer

package textsecure;
option java_package = "org.whispersystems.libaxolotl.protocol";
option java_outer_classname = "WhisperProtos";
message WhisperMessage {
optional bytes ratchetKey = 1;
optional uint32 counter = 2;
optional uint32 previousCounter = 3;
optional bytes ciphertext = 4;
}
message PreKeyWhisperMessage {
optional uint32 registrationId = 5;
optional uint32 preKeyId = 1;
optional uint32 signedPreKeyId = 6;
optional bytes baseKey = 2;
optional bytes identityKey = 3;
optional bytes message = 4; // WhisperMessage
}
message KeyExchangeMessage {
optional uint32 id = 1;
optional bytes baseKey = 2;
optional bytes ratchetKey = 3;
optional bytes identityKey = 4;
optional bytes baseKeySignature = 5;
}