diff options
Diffstat (limited to '')
| -rw-r--r-- | src/main/java/de/pixart/messenger/crypto/OtrService.java | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/src/main/java/de/pixart/messenger/crypto/OtrService.java b/src/main/java/de/pixart/messenger/crypto/OtrService.java index 5a43e711d..18f9670d8 100644 --- a/src/main/java/de/pixart/messenger/crypto/OtrService.java +++ b/src/main/java/de/pixart/messenger/crypto/OtrService.java @@ -53,29 +53,31 @@ public class OtrService extends OtrCryptoEngineImpl implements OtrEngineHost { this.mXmppConnectionService = service; } - private KeyPair loadKey(JSONObject keys) { + private KeyPair loadKey(final JSONObject keys) { if (keys == null) { return null; } - try { - BigInteger x = new BigInteger(keys.getString("otr_x"), 16); - BigInteger y = new BigInteger(keys.getString("otr_y"), 16); - BigInteger p = new BigInteger(keys.getString("otr_p"), 16); - BigInteger q = new BigInteger(keys.getString("otr_q"), 16); - BigInteger g = new BigInteger(keys.getString("otr_g"), 16); - KeyFactory keyFactory = KeyFactory.getInstance("DSA"); - DSAPublicKeySpec pubKeySpec = new DSAPublicKeySpec(y, p, q, g); - DSAPrivateKeySpec privateKeySpec = new DSAPrivateKeySpec(x, p, q, g); - PublicKey publicKey = keyFactory.generatePublic(pubKeySpec); - PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec); - return new KeyPair(publicKey, privateKey); - } catch (JSONException e) { - return null; - } catch (NoSuchAlgorithmException e) { - return null; - } catch (InvalidKeySpecException e) { - return null; - } + synchronized (keys) { + try { + BigInteger x = new BigInteger(keys.getString("otr_x"), 16); + BigInteger y = new BigInteger(keys.getString("otr_y"), 16); + BigInteger p = new BigInteger(keys.getString("otr_p"), 16); + BigInteger q = new BigInteger(keys.getString("otr_q"), 16); + BigInteger g = new BigInteger(keys.getString("otr_g"), 16); + KeyFactory keyFactory = KeyFactory.getInstance("DSA"); + DSAPublicKeySpec pubKeySpec = new DSAPublicKeySpec(y, p, q, g); + DSAPrivateKeySpec privateKeySpec = new DSAPrivateKeySpec(x, p, q, g); + PublicKey publicKey = keyFactory.generatePublic(pubKeySpec); + PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec); + return new KeyPair(publicKey, privateKey); + } catch (JSONException e) { + return null; + } catch (NoSuchAlgorithmException e) { + return null; + } catch (InvalidKeySpecException e) { + return null; + } + } } private void saveKey() { |