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Mention DCRUP working group relative to minimum key size in README.

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Scott Kitterman
2017-05-31 01:26:59 -04:00
parent e14a4f3539
commit 6dd8ebf08d
1 changed files with 4 additions and 1 deletions
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@@ -61,7 +61,10 @@ python2.7 ./testarc.py validate runners/arcverifytest.py
The reason for the test failure is that the ARC specification (as of 20170120) The reason for the test failure is that the ARC specification (as of 20170120)
sets the minimum key size to 512 bits. This is operationally inappropriate, sets the minimum key size to 512 bits. This is operationally inappropriate,
so dkimpy sets the default minkey=1024, the same as is used for DKIM. This so dkimpy sets the default minkey=1024, the same as is used for DKIM. This
can be overridden, but that is not recommended. can be overridden, but that is not recommended. The minimum key size
requirement for DKIM (and thus ARC) is in the process of being updated to
require at least a 1024 bit key. Information about the status of this effort
is at https://datatracker.ietf.org/doc/draft-ietf-dcrup-dkim-usage/
USAGE USAGE