Fedora 31: botan2 2020-f9a8f05df5

Backport patch for #1849743 (CBC padding side channel) from 2.14.0.

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Fedora Update Notification
FEDORA-2020-f9a8f05df5
2020-07-13 01:38:15.300529
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Name        : botan2
Product     : Fedora 31
Version     : 2.11.0
Release     : 3.fc31
URL         : https://botan.randombit.net/
Summary     : Crypto and TLS for C++11
Description :
Botan is a BSD-licensed crypto library written in C++. It provides a
wide variety of basic cryptographic algorithms, X.509 certificates and
CRLs, PKCS \#10 certificate requests, a filter/pipe message processing
system, and a wide variety of other features, all written in portable
C++. The API reference, tutorial, and examples may help impart the
flavor of the library. This is the current stable release branch 2.x
of Botan.

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Update Information:

Backport patch for #1849743 (CBC padding side channel) from 2.14.0.
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ChangeLog:

* Sat Jul  4 2020 Thomas Moschny  - 2.11.0-3
- Backport patch for #1849743 (CBC padding side channel) from 2.14.0
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References:

  [ 1 ] Bug #1849745 - botan2: botan: CBC padding operations were not constant time and as a result would leak the length of the plaintext values which were being padded [fedora-all]
        https://bugzilla.redhat.com/show_bug.cgi?id=1849745
  [ 2 ] Bug #1849746 - botan2: botan: CBC padding operations were not constant time and as a result would leak the length of the plaintext values which were being padded [epel-8]
        https://bugzilla.redhat.com/show_bug.cgi?id=1849746
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-f9a8f05df5' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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