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Bug 2128058 - gnupg2 reports wrong block cipher mode
Summary: gnupg2 reports wrong block cipher mode
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: gnupg2
Version: 9.1
Hardware: Unspecified
OS: Unspecified
low
medium
Target Milestone: rc
: ---
Assignee: Jakub Jelen
QA Contact: Stanislav Zidek
URL:
Whiteboard:
Depends On:
Blocks: 2091421
TreeView+ depends on / blocked
 
Reported: 2022-09-19 17:56 UTC by Stanislav Zidek
Modified: 2023-11-07 10:38 UTC (History)
1 user (show)

Fixed In Version: gnupg2-2.3.3-3.el9
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2023-11-07 08:43:37 UTC
Type: Bug
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker CRYPTO-8301 0 None None None 2022-09-20 15:07:52 UTC
Red Hat Issue Tracker RHELPLAN-134352 0 None None None 2022-09-19 18:05:44 UTC
Red Hat Product Errata RHBA-2023:6597 0 None None None 2023-11-07 08:43:44 UTC

Description Stanislav Zidek 2022-09-19 17:56:19 UTC 
Description of problem:
During encryption, gpg says: "AES256.OCB encryption will be used"
During decryption, gpg says: "AES256.CFB encrypted data"

Version-Release number of selected component (if applicable):
gnupg2-2.3.3-2.el9_0

How reproducible:
always

Steps to Reproduce:
/CoreOS/gnupg2/Regression/bz2054964-Force-AEAD-encryption

Actual results:
:: [ 13:48:07 ] :: [  BEGIN   ] :: Running 'gpg2 -u nistp256_key -vsc -o the_file.enc --force-aead --batch --pinentry-mode loopback --passphrase passPhrase the_file'
gpg: Note: RFC4880bis features are enabled.
gpg: AES256.OCB encryption will be used
gpg: writing to 'the_file.enc'
gpg: ECDSA/SHA256 signature from: "9F956F33B9821077 nistp256_key"
:: [ 13:48:08 ] :: [   PASS   ] :: Command 'gpg2 -u nistp256_key -vsc -o the_file.enc --force-aead --batch --pinentry-mode loopback --passphrase passPhrase the_file' (Expected 0, got 0)
:: [ 13:48:08 ] :: [   PASS   ] :: File the_file.enc should exist 
:: [ 13:48:08 ] :: [   PASS   ] :: File '/var/tmp/rlRun_LOG.feziC4hw' should contain 'OCB encryption will be used' 
:: [ 13:48:08 ] :: [  BEGIN   ] :: Running 'gpg2 -v -d --batch --pinentry-mode loopback  --passphrase passPhrase the_file.enc'
gpg: Note: RFC4880bis features are enabled.
gpg: AES256.CFB encrypted data
gpg: encrypted with 1 passphrase
gpg: original file name='the_file'
sample text to encrypt
gpg: Signature made Mon 19 Sep 2022 01:48:08 PM EDT
gpg:                using ECDSA key 07934DACE41687C9B6A8D1219F956F33B9821077
gpg: using pgp trust model
gpg: Good signature from "nistp256_key" [ultimate]
gpg: binary signature, digest algorithm SHA256, key algorithm nistp256
:: [ 13:48:08 ] :: [   PASS   ] :: Command 'gpg2 -v -d --batch --pinentry-mode loopback  --passphrase passPhrase the_file.enc' (Expected 0, got 0)
:: [ 13:48:08 ] :: [   PASS   ] :: File '/var/tmp/rlRun_LOG.fTSHWXqg' should contain 'sample text to encrypt' 
:: [ 13:48:08 ] :: [   FAIL   ] :: File '/var/tmp/rlRun_LOG.fTSHWXqg' should contain 'OCB encrypted data' 


Expected results:
Block cipher mode matches for both encryption and decryption.
Comment 8 errata-xmlrpc 2023-11-07 08:43:37 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (gnupg2 bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:6597
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