cryptix.provider.key
Class LOKI91KeyGenerator
- Cloneable, ExtendedKeyGenerator, Parameterized
public class LOKI91KeyGenerator
- Raif S. Naffah
- David Hopwood
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.