Moxie Marlinspike
ff0dff745c
Let's order 3DHE by Alice/Bob roles.
2014-01-06 14:38:15 -08:00
Moxie Marlinspike
d4188c4a1c
SHA256 attachment MACs.
2014-01-06 14:38:14 -08:00
Moxie Marlinspike
327ee4ff62
Remove unnecessary classes, up prekey limit to 100
2014-01-06 14:38:14 -08:00
Moxie Marlinspike
f7b71e5e28
Add info to MessageKey HKDF, change order of RootKey derivation.
2014-01-06 14:37:52 -08:00
Moxie Marlinspike
44092a3eff
Support for Axolotl protocol.
...
1) Split code into v1 and v2 message paths.
2) Do the Axolotl protocol for v2.
3) Switch all v2 entities to protobuf.
2014-01-06 14:37:52 -08:00
Moxie Marlinspike
07b7696937
Update 'DJB' type not to conlict with NIST type 0x04.
2014-01-06 14:36:23 -08:00
Moxie Marlinspike
c38a8aa699
Migrate to Curve25519.
...
1) Generate a Curve25519 identity key.
2) Use Curve25519 ephemerals and identities for v2 3DHE agreements.
3) Initiate v2 key exchange messages.
4) Accept v1 key exchange messages.
5) TOFU Curve25519 identities.
2014-01-06 14:36:22 -08:00
Moxie Marlinspike
a03fff8b24
Add HKDF support for new sessions.
2014-01-06 14:36:22 -08:00
Moxie Marlinspike
dbc070cd65
Refactor the ciphertext message parsing and building.
2014-01-06 14:36:22 -08:00
Moxie Marlinspike
fa5ccc3f8a
Support for server federation.
2014-01-06 14:35:54 -08:00
Moxie Marlinspike
75cca3add1
Resign ourselves to a less sophisticated contact intersection method.
2014-01-06 14:35:53 -08:00
Moxie Marlinspike
073b1f69e3
Rollbacks, v2 sms-transport key exchanges, push identity conflicts.
...
1) Stop protocol rollbacks.
2) Handle v2 version key exchange messages.
3) Handle identity key conflicts on prekeybundle messages.
2014-01-06 14:35:53 -08:00
Moxie Marlinspike
0dd36c64a4
Basic support for encrypted push-based attachments.
...
1) Move the attachment structures into the encrypted message body.
2) Encrypt attachments with symmetric keys transmitted in the
encryptd attachment pointer structure.
3) Correctly handle asynchronous decryption and categorization of
encrypted push messages.
TODO: Correct notification process and network/interruption
retries.
2014-01-06 14:35:53 -08:00
Moxie Marlinspike
cddba2738f
Make encoding/decoding more explicit.
2014-01-06 14:35:53 -08:00
Moxie Marlinspike
0cc5837d7f
Support encrypted transport, properly handle multiple recipients.
...
1) Add encryption support for the transport layer. This obscures
metadata from the push messaging provider.
2) Better support the direction multiple destination messages is
headed (one unique message per recipient).
2014-01-06 14:35:53 -08:00
Moxie Marlinspike
68ec0a3727
Add last resort key and signaling key.
2014-01-06 14:35:53 -08:00
Moxie Marlinspike
1bbcedabd4
Added SMS transport support for PreKeyBundle messages.
...
1) Added SMS transport support.
2) Keep track of whether a PreKeyBundle message has gotten
a response, and send them as subsequent messages until
one has been received.
2014-01-06 14:35:52 -08:00
Moxie Marlinspike
43492b66c4
Rename EncryptedMessage
2014-01-06 14:35:52 -08:00
Moxie Marlinspike
7f642666dd
Basic support for prekeybundle message delivery and receipt.
2014-01-06 14:35:52 -08:00
Moxie Marlinspike
1cc2762656
Refactor relationship between SessionCipher and Message.
2014-01-06 14:35:52 -08:00
Moxie Marlinspike
d1969412fb
Move PreKey ids to be Mediums, generate in circular buffer.
2014-01-06 14:35:51 -08:00
Moxie Marlinspike
edb89ee3e9
Encode prekey as full JSON rather than protobuf blobs.
...
1) Split prekey messages out into full JSON.
2) Add support for retrieving prekeys.
2014-01-06 14:35:51 -08:00
Moxie Marlinspike
499de2d2bf
Move prekey jsonifcation into the push code, add identity key.
2014-01-06 14:35:51 -08:00
Moxie Marlinspike
b8f663b69c
Move common crypto classes into TextSecureLibrary.
...
1) Move all the crypto classes from securesms.crypto.
2) Move all the crypto storage from securesms.database.keys
3) Replace the old imported BC code with spongycastle.
2014-01-06 14:35:51 -08:00
