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Code Issues Releases Wiki Activity

nonce is 4 bytes

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This commit is contained in:
Vincent Breitmoser 2015-03-02 20:40:37 +01:00
parent 8bec183eda
commit e059b5550c
1 changed files with 9 additions and 9 deletions
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18
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/linked/LinkedIdentity.java
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@ -79,14 +79,14 @@ public class LinkedIdentity {
b.append(mSubUri);
byte[] nonceBytes = Hex.decode(mNonce);
if (nonceBytes.length != 12) {
throw new AssertionError("nonce must be 12 bytes");
if (nonceBytes.length != 4) {
throw new AssertionError("nonce must be 4 bytes");
}
byte[] data = Strings.toUTF8ByteArray(b.toString());
byte[] result = new byte[data.length+12];
System.arraycopy(nonceBytes, 0, result, 0, 12);
System.arraycopy(data, 0, result, 12, data.length);
byte[] result = new byte[data.length+4];
System.arraycopy(nonceBytes, 0, result, 0, 4);
System.arraycopy(data, 0, result, 4, data.length);
return result;
}
@ -100,10 +100,10 @@ public class LinkedIdentity {
}
byte[] data = subpacket.getData();
String nonce = Hex.toHexString(data, 0, 12);
String nonce = Hex.toHexString(data, 0, 4);
try {
return parseUri(nonce, Strings.fromUTF8ByteArray(Arrays.copyOfRange(data, 12, data.length)));
return parseUri(nonce, Strings.fromUTF8ByteArray(Arrays.copyOfRange(data, 4, data.length)));
} catch (IllegalArgumentException e) {
Log.e(Constants.TAG, "error parsing uri in (suspected) linked id packet");
@ -161,12 +161,12 @@ public class LinkedIdentity {
public static String generateNonce() {
// TODO make this actually random
// byte[] data = new byte[96];
// byte[] data = new byte[4];
// new SecureRandom().nextBytes(data);
// return Hex.toHexString(data);
// debug for now
return "0123456789abcdef01234567";
return "01234567";
}
}