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Moxie Marlinspike 2014-04-24 16:08:24 -07:00
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libaxolotl/README.md
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@ -45,16 +45,13 @@ State is kept in the following places:
At install time, a libaxolotl client needs to generate its identity keys, registration id, and
prekeys.
```
IdentityKeyPair identityKeyPair = KeyHelper.generateIdentityKeyPair();
int registrationId = KeyHelper.generateRegistrationId();
List<PreKeyRecord> preKeys = KeyHelper.generatePreKeys(startId, 100);
IdentityKeyPair identityKeyPair = KeyHelper.generateIdentityKeyPair();
int registrationId = KeyHelper.generateRegistrationId();
List<PreKeyRecord> preKeys = KeyHelper.generatePreKeys(startId, 100);
// Store identityKeyPair somewhere durable and safe.
// Store registrationId somewhere durable and safe.
// Store preKeys somewhere durable and safe.
```
// Store identityKeyPair somewhere durable and safe.
// Store registrationId somewhere durable and safe.
// Store preKeys somewhere durable and safe.
## Building a session
@ -63,20 +60,18 @@ SessionStore. These will manage loading and storing of identity, prekeys, and s
Once those are implemented, building a session is fairly straightforward:
```
SessionStore sessionStore = new MySessionStore();
PreKeyStore preKeyStore = new MyPreKeyStore();
IdentityKeyStore identityStore = new MyIdentityKeyStore();
SessionStore sessionStore = new MySessionStore();
PreKeyStore preKeyStore = new MyPreKeyStore();
IdentityKeyStore identityStore = new MyIdentityKeyStore();
// Instantiate a SessionBuilder for a remote recipientId + deviceId tuple.
SessionBuilder sessionBuilder = new SessionBuilder(sessionStore, preKeyStore, identityStore,
// Instantiate a SessionBuilder for a remote recipientId + deviceId tuple.
SessionBuilder sessionBuilder = new SessionBuilder(sessionStore, preKeyStore, identityStore,
recipientId, deviceId);
// Build a session with a PreKey retrieved from the server.
sessionBuilder.process(retrievedPreKey);
// Build a session with a PreKey retrieved from the server.
sessionBuilder.process(retrievedPreKey);
SessionCipher sessionCipher = new SessionCipher(sessionStore, recipientId, deviceId);
CiphertextMessage message = sessionCipher.encrypt("Hello world!".getBytes("UTF-8"));
SessionCipher sessionCipher = new SessionCipher(sessionStore, recipientId, deviceId);
CiphertextMessage message = sessionCipher.encrypt("Hello world!".getBytes("UTF-8"));
deliver(message.serialize());
```
deliver(message.serialize());