Source Code for Module dns.tsigkeyring

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15   
16  """A place to store TSIG keys.""" 
17   
18  import base64 
19   
20  import dns.name 
21   
22   
23 -def from_text(textring): 
24      """Convert a dictionary containing (textual DNS name, base64 secret) pairs 
25      into a binary keyring which has (dns.name.Name, binary secret) pairs. 
26      @rtype: dict""" 
27   
28      keyring = {} 
29      for keytext in textring: 
30          keyname = dns.name.from_text(keytext) 
31          secret = base64.decodestring(textring[keytext]) 
32          keyring[keyname] = secret 
33      return keyring 
34   
35   
36 -def to_text(keyring): 
37      """Convert a dictionary containing (dns.name.Name, binary secret) pairs 
38      into a text keyring which has (textual DNS name, base64 secret) pairs. 
39      @rtype: dict""" 
40   
41      textring = {} 
42      for keyname in keyring: 
43          keytext = keyname.to_text() 
44          secret = base64.encodestring(keyring[keyname]) 
45          textring[keytext] = secret 
46      return textring 
47