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Fix SRP auth response #124

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Fix SRP auth response #124

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5 changes: 3 additions & 2 deletions warrant/aws_srp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -173,6 +173,7 @@ def get_secret_hash(username, client_id, client_secret):
return base64.standard_b64encode(hmac_obj.digest()).decode('utf-8')

def process_challenge(self, challenge_parameters):
internal_username = challenge_parameters['USERNAME']
user_id_for_srp = challenge_parameters['USER_ID_FOR_SRP']
salt_hex = challenge_parameters['SALT']
srp_b_hex = challenge_parameters['SRP_B']
Expand All @@ -188,13 +189,13 @@ def process_challenge(self, challenge_parameters):
hmac_obj = hmac.new(hkdf, msg, digestmod=hashlib.sha256)
signature_string = base64.standard_b64encode(hmac_obj.digest())
response = {'TIMESTAMP': timestamp,
'USERNAME': user_id_for_srp,
'USERNAME': internal_username,
'PASSWORD_CLAIM_SECRET_BLOCK': secret_block_b64,
'PASSWORD_CLAIM_SIGNATURE': signature_string.decode('utf-8')}
if self.client_secret is not None:
response.update({
"SECRET_HASH":
self.get_secret_hash(self.username, self.client_id, self.client_secret)})
self.get_secret_hash(internal_username, self.client_id, self.client_secret)})
return response

def authenticate_user(self, client=None):
Expand Down