private void storeKeyPair(ECKeyPair keyPair) {
String privateKey = CMAccountUtils.encodeHex(keyPair.getPrivateKey().getD());
ECPoint publicKey = keyPair.getPublicKey().getQ();
ContentValues values = new ContentValues();
values.put(CMAccountProvider.ECDHKeyStoreColumns.PRIVATE, privateKey.toString());
values.put(
CMAccountProvider.ECDHKeyStoreColumns.PUBLIC,
CMAccountUtils.encodeHex(publicKey.getEncoded()));
values.put(CMAccountProvider.ECDHKeyStoreColumns.KEY_ID, keyPair.getKeyId());
mContext.getContentResolver().insert(CMAccountProvider.ECDH_CONTENT_URI, values);
}
private void removePublicKeys(AddPublicKeysResponse response) {
List<ECKeyPair> keyPairs = getKeyPairs();
for (ECKeyPair keyPair : keyPairs) {
String keyId = keyPair.getKeyId();
if (!response.getKeyIds().contains(keyId)) {
if (CMAccount.DEBUG) Log.d(TAG, "Removing public key_id " + keyId);
String selection = CMAccountProvider.ECDHKeyStoreColumns.KEY_ID + " = ?";
String[] selectionArgs = new String[] {keyId};
mContext
.getContentResolver()
.delete(CMAccountProvider.ECDH_CONTENT_URI, selection, selectionArgs);
}
}
// If after removing public keys, we are left with no keys, generate some more.
if (getKeyCount() < MINIMUM_KEYS) {
if (CMAccount.DEBUG)
Log.d(TAG, "Left without enough keys after removing stale keys, generating more.");
start(mIntent);
}
}