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Bug 2168324 - In FIPS mode, openssl should not use the legacy ECDSA_do_sign(), RSA_public_encrypt(), RSA_private_decrypt() functions for pairwise consistency tests
Summary: In FIPS mode, openssl should not use the legacy ECDSA_do_sign(), RSA_public_e...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: openssl
Version: 9.0
Hardware: x86_64
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Dmitry Belyavskiy
QA Contact: Alicja Kario
URL:
Whiteboard:
Depends On:
Blocks: 2178034 2178035 2178036
TreeView+ depends on / blocked
 
Reported: 2023-02-08 17:39 UTC by Clemens Lang
Modified: 2023-11-07 11:27 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: No Doc Update
Doc Text:
Clone Of:
: 2178034 2178035 2178036 (view as bug list)
Environment:
Last Closed: 2023-11-07 08:52:59 UTC
Type: Bug
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker CRYPTO-9478 0 None None None 2023-02-08 17:44:42 UTC
Red Hat Issue Tracker FIPS-35 0 None None None 2023-02-08 17:39:42 UTC
Red Hat Issue Tracker RHELPLAN-148022 0 None None None 2023-02-08 17:40:43 UTC
Red Hat Product Errata RHBA-2023:6627 0 None None None 2023-11-07 08:53:37 UTC

Description Clemens Lang 2023-02-08 17:39:42 UTC
Description of problem:
OpenSSL uses functions that do not compute a digest (for signatures) or an approved padding method (for encryption) for pairwise consistency tests of new EC or RSA keys (or DSA keys, but we do not certify DSA).

See

- crypto/ec/ec_key.c, function ecdsa_keygen_pairwise_test, which calls ECDSA_do_sign.
- crypto/rsa/rsa_gen.c, function rsa_keygen_pairwise_test, which calls RSA_public_encrypt and RSA_private_decrypt

These should instead use EVP_DigestSign and EVP_DigestVerify.


Version-Release number of selected component (if applicable):
openssl-3.0.1-44.el9_0.1

How reproducible:
Inspect source code, find use of ECDSA_do_sign, RSA_public_encrypt, RSA_private_decrypt

Expected results:
Pairwise consistency tests use functions that compute a digest before signing it.

Additional info:
While we could possibly use RSA-OAEP as pairwise encryption/decryption test, that would require us to add another tests for RSA signatures. It's best to just use RSA signatures instead. AFAIR the FIPS 140-3 IG allow us to skip the PCT for encryption and decryption if we have a signature PCT.

Comment 12 errata-xmlrpc 2023-11-07 08:52:59 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 (openssl 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-2023:6627


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