def checkOtp(self, anOtpVal, counter, window, options=None):
'''
checkOtp - validate the token otp against a given otpvalue
:param anOtpVal: the to be verified otpvalue
:type anOtpVal: string
:param counter: the counter state, that shoule be verified
:type counter: int
:param window: the counter +window, which should be checked
:type window: int
:param options: the dict, which could contain token specific info
:type options: dict
:return: the counter state or -1
:rtype: int
'''
otplen = self.token.LinOtpOtpLen
#otime contains the previous verification time
# the new one must be newer than this!
otime = self.token.LinOtpCount
secObj = self._get_secret_object()
window = self.token.LinOtpCountWindow
key, iv = self.token.getUserPin()
secPinObj = SecretObj(key, iv, hsm=context.get('hsm'))
mtimeOtp = mTimeOtp(secObj, secPinObj, otime, otplen)
res = mtimeOtp.checkOtp(anOtpVal, window, options=options)
if (res != -1):
res = res - 1 ## later on this will be incremented by 1
if res == -1:
msg = "verification failed"
else:
msg = "verifiction was successful"
log.debug("[checkOtp] %s :res %r" % (msg, res))
return res
def checkOtp(self, anOtpVal, counter, window, options=None):
'''
checkOtp - validate the token otp against a given otpvalue
:param anOtpVal: the to be verified otpvalue
:type anOtpVal: string
:param counter: the counter state, that shoule be verified
:type counter: int
:param window: the counter +window, which should be checked
:type window: int
:param options: the dict, which could contain token specific info
:type options: dict
:return: the counter state or -1
:rtype: int
'''
otplen = self.token.LinOtpOtpLen
#otime contains the previous verification time
# the new one must be newer than this!
otime = self.token.LinOtpCount
secObj = self._get_secret_object()
window = self.token.LinOtpCountWindow
key, iv = self.token.getUserPin()
secPinObj = SecretObj(key, iv, hsm=context.get('hsm'))
mtimeOtp = mTimeOtp(secObj, secPinObj, otime, otplen)
res = mtimeOtp.checkOtp(anOtpVal, window, options=options)
if (res != -1):
res = res - 1 ## later on this will be incremented by 1
if res == -1:
msg = "verification failed"
else:
msg = "verifiction was successful"
log.debug("[checkOtp] %s :res %r" % (msg, res))
return res