| # Copyright (C) 2003-2007, 2009, 2010 Nominum, Inc. |
| # |
| # Permission to use, copy, modify, and distribute this software and its |
| # documentation for any purpose with or without fee is hereby granted, |
| # provided that the above copyright notice and this permission notice |
| # appear in all copies. |
| # |
| # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES |
| # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR |
| # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| |
| """A place to store TSIG keys.""" |
| |
| import base64 |
| |
| import dns.name |
| |
| def from_text(textring): |
| """Convert a dictionary containing (textual DNS name, base64 secret) pairs |
| into a binary keyring which has (dns.name.Name, binary secret) pairs. |
| @rtype: dict""" |
| |
| keyring = {} |
| for keytext in textring: |
| keyname = dns.name.from_text(keytext) |
| secret = base64.decodestring(textring[keytext]) |
| keyring[keyname] = secret |
| return keyring |
| |
| def to_text(keyring): |
| """Convert a dictionary containing (dns.name.Name, binary secret) pairs |
| into a text keyring which has (textual DNS name, base64 secret) pairs. |
| @rtype: dict""" |
| |
| textring = {} |
| for keyname in keyring: |
| keytext = dns.name.to_text(keyname) |
| secret = base64.encodestring(keyring[keyname]) |
| textring[keytext] = secret |
| return textring |
