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Description:
zkey: Fix re-enciphering of EP11 identity key of KMIP plugin
Symptom:
When re-enciphering the identity key and/or wrapping key of the zkey KMIP
plugin via 'zkey kms reencipher', the operation completes without an error, but
the secure keys are left un-reenciphered. A subsequent connection attempt with
the KMIP server will fail because the identity key is no longer valid.
Problem:
The re-enciphered secure key is not copied back into the key token buffer.
Also, the the public key part, i.e. the MACed SubjectPublicKeyInfo (SPKI)
structure must also be re-enciphered (i.e. re-MACed), since the MAC is
calculated with the EP11 master key.
Solution:
Copy the re-enciphered secure key back into the key token buffer, and also
re-encipher the public key part.
Reproduction: Perform a master key change on the EP11 APQNs used with the
KMIP plugin.
Problem-ID: 197605
Upstream-ID: 4e2ebe0370d9fb036b7554d5ac5df4418dbe0397
Preventive: yes
Date: 2022-04-08
Author: Ingo Franzki <[email protected]>
Component: s390-tools
== Comment: #1 - Ingo Franzki <[email protected]> - 2022-04-08 09:57:45 ==
Upstream commit:
https://github.com/ibm-s390-linux/s390-tools/commit/4e2ebe0370d9fb036b7554d5ac5df4418dbe0397
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Tags: architecture-s39064 bugnameltc-197607 severity-high
targetmilestone-inin---
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[Ubuntu 22.04] zkey: Fix re-enciphering of EP11 identity key of KMIP plugin
https://bugs.launchpad.net/bugs/1990520
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