public void savePublicKey(SessionID sessionID, PublicKey pubKey) {
if (sessionID == null) return;
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(pubKey.getEncoded());
// if (!Address.hasResource(fullUserId))
// return;
this.store.setProperty(
sessionID.getRemoteUserId() + ".publicKey", x509EncodedKeySpec.getEncoded());
// Stash the associated fingerprint. This saves calculating it in the future
// and is useful for transferring rosters to other apps.
try {
String fingerprintString = new OtrCryptoEngineImpl().getFingerprint(pubKey);
String verifiedToken =
buildPublicKeyVerifiedId(sessionID.getRemoteUserId(), fingerprintString.toLowerCase());
if (!this.store.hasProperty(verifiedToken)) this.store.setProperty(verifiedToken, false);
this.store.setPropertyHex(
sessionID.getRemoteUserId() + ".fingerprint", Hex.decode(fingerprintString));
store.save();
} catch (OtrCryptoException e) {
e.printStackTrace();
}
}
/**
* Return remote finger print for specified sessionID.
*
* @return finger print for remote contact
*/
public String getRemoteFingerprint(SessionID sessionID) {
PublicKey remotePublicKey = loadRemotePublicKey(sessionID);
if (remotePublicKey == null) return null;
try {
return new OtrCryptoEngineImpl().getFingerprint(remotePublicKey);
} catch (OtrCryptoException e) {
e.printStackTrace();
return null;
}
}
/**
* Returns the local finger print for specified session. If there is no finger print you might
* generate one.
*
* @return the local finger print for this sessionID
*/
public String getLocalFingerprint(SessionID sessionID) {
KeyPair keyPair = loadLocalKeyPair(sessionID);
if (keyPair == null) return null;
PublicKey pubKey = keyPair.getPublic();
try {
return new OtrCryptoEngineImpl().getFingerprint(pubKey);
} catch (OtrCryptoException e) {
e.printStackTrace();
return null;
}
}
private void storeLocalPublicKey(String fullUserId, PublicKey pubKey) {
String userId = Address.stripResource(fullUserId);
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(pubKey.getEncoded());
this.store.setProperty(userId + ".publicKey", x509EncodedKeySpec.getEncoded());
// Stash fingerprint for consistency.
try {
String fingerprintString = new OtrCryptoEngineImpl().getFingerprint(pubKey);
this.store.setPropertyHex(userId + ".fingerprint", Hex.decode(fingerprintString));
} catch (OtrCryptoException e) {
e.printStackTrace();
}
store.save();
}
public String getLocalFingerprint(String fullUserId) {
String userId = Address.stripResource(fullUserId);
KeyPair keyPair = loadLocalKeyPair(userId);
if (keyPair == null) return null;
PublicKey pubKey = keyPair.getPublic();
try {
String fingerprint = cryptoEngine.getFingerprint(pubKey);
OtrDebugLogger.log("got fingerprint for: " + userId + "=" + fingerprint);
return fingerprint;
} catch (OtrCryptoException e) {
e.printStackTrace();
return null;
}
}