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Lazy CRC32 initialization.

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Andris Raugulis 2016-10-05 14:56:36 +03:00
parent 4b69544d91
commit a193059bc9
1 changed files with 3 additions and 1 deletions
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ssh-audit.py
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@ -204,12 +204,14 @@ class SSH1(object):
crc = (crc >> 8) ^ self._table[n] crc = (crc >> 8) ^ self._table[n]
return crc return crc
_crc32 = CRC32() _crc32 = None
CIPHERS = ['none', 'idea', 'des', '3des', 'tss', 'rc4', 'blowfish'] CIPHERS = ['none', 'idea', 'des', '3des', 'tss', 'rc4', 'blowfish']
AUTHS = [None, 'rhosts', 'rsa', 'password', 'rhosts_rsa', 'tis', 'kerberos'] AUTHS = [None, 'rhosts', 'rsa', 'password', 'rhosts_rsa', 'tis', 'kerberos']
@classmethod @classmethod
def crc32(cls, v): def crc32(cls, v):
if cls._crc32 is None:
cls._crc32 = cls.CRC32()
return cls._crc32.calc(v) return cls._crc32.calc(v)
class KexDB(object): class KexDB(object):