cryptix.provider.key
Class LOKI91KeyGenerator
- Cloneable, ExtendedKeyGenerator, Parameterized
public class LOKI91KeyGenerator
- Raif S. Naffah
- David Hopwood
- Cryptix 2.2.0a, 2.2.2
boolean | isWeak(byte[] key) - Returns true iff the byte array key represents a
weak or semi-weak LOKI91 key.
|
engineGenerateKey , generateKey , generateKey , getDefaultKeyLength , getMaximumKeyLength , getMinimumKeyLength , initialize , initialize , isValidKeyLength , isWeak , isWeakAllowed , setWeakAllowed |
clone , engineGetParameter , engineSetParameter , generateKey , getAlgorithm , getAlgorithms , getAlgorithms , getInstance , getInstance , getParameter , initialize , setParameter , toString |
LOKI91KeyGenerator
public LOKI91KeyGenerator()
isWeak
public boolean isWeak(byte[] key)
Returns true iff the byte array
key represents a
weak or semi-weak LOKI91 key.
LOKI91 has four weak keys and twelve semi-weak keys. Here are
the lists of these keys (values given in hexadecimal form):
Weak Keys:
- 00000000 00000000
- FFFFFFFF FFFFFFFF
- 55555555 AAAAAAAA
- AAAAAAAA 55555555
Semi-Weak Keys:
- 00000000 55555555
- AAAAAAAA 00000000
- 00000000 AAAAAAAA
- 55555555 00000000
- 00000000 FFFFFFFF
- FFFFFFFF 00000000
- 55555555 55555555
- AAAAAAAA AAAAAAAA
- 55555555 FFFFFFFF
- FFFFFFFF AAAAAAAA
- AAAAAAAA FFFFFFFF
- FFFFFFFF 55555555
- isWeak in interface RawKeyGenerator
key
- the byte array containing user key data.