Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnupg2 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1461834
Title:
1024-bit signing keys should be deprecated
Status in Launchpad itself:
New
Status in apt package in Ubuntu:
Invalid
Status in gnupg2 package in Ubuntu:
Confirmed
Bug description:
1024-bit RSA was deprecated years ago by NIST[1], Microsoft[2] and
more recently by others[3].
1024-bit signing keys are insufficient to guarantee the authenticity
of software distributed from Launchpad.net including PPAs. There
should be a mechanism to refuse signing keys below a minimum key
length based on key type. 1024-bit signing keys should be deprecated
and removed from Launchpad.net itself ASAP. Future projects and PPAs
should be disallowed from using 1024-bit signing keys.
1. http://csrc.nist.gov/publications/nistpubs/800-131A/sp800-131A.pdf
2.
http://blogs.technet.com/b/pki/archive/2012/06/12/rsa-keys-under-1024-bits-are-blocked.aspx
3.
https://threatpost.com/mozilla-1024-bit-cert-deprecation-leaves-107000-sites-untrusted/108114
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