def scramble(self, passwd, seed):
hash4 = None
try:
hash1 = sha1(passwd).digest()
hash2 = sha1(hash1).digest() # Password as found in mysql.user()
hash3 = sha1(seed + hash2).digest()
xored = [ utils.int1read(h1) ^ utils.int1read(h3)
for (h1,h3) in zip(hash1, hash3) ]
hash4 = struct.pack('20B', *xored)
except StandardError, e:
raise errors.ProgrammingError('Failed scrambling password; %s' % e)
def handle_header(self, buf):
"""Takes a buffer and readers information from header.
Returns a tuple (pktsize, pktnr)
"""
pktsize = utils.int3read(buf[0:3])
pktnr = utils.int1read(buf[3])
return (pktsize, pktnr)
