qpid/saslmech/cram_md5_hex.py

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from sasl import Sasl
from hmac import HMAC
from hashlib import md5

class CRAM_MD5_HEX(Sasl):

  def response(self, challenge):
    m = md5()
    m.update(self.password)
    digest = HMAC( m.hexdigest(), challenge).hexdigest()
    return "%s %s" % (self.user, digest)