[openssl/openssl] a223c0: Document SM4 table-lookup side-channel risk
"'Filipe' via openssl-commits" <[email protected]>
| Newsgroups | gmane.comp.encryption.openssl.cvs |
|---|---|
| Message-ID | <openssl/openssl/push/refs/heads/openssl-4.0/[email protected]> |
Branch: refs/heads/openssl-4.0
Home: https://github.com/openssl/openssl
Commit: a223c031147ae054ca51ce9fc8f37d8af52dc6cf
https://github.com/openssl/openssl/commit/a223c031147ae054ca51ce9fc8f37d8af52dc6cf
Author: Filipe <[email protected]>
Date: 2026-08-11 (Tue, 11 Aug 2026)
Changed paths:
M doc/man7/EVP_CIPHER-SM4.pod
Log Message:
-----------
Document SM4 table-lookup side-channel risk
Note in EVP_CIPHER-SM4(7) that SM4 implementations may use
secret-dependent table lookups and are not guaranteed to be
constant-time. Mention the portable C path as a concrete example
and point to CPU capability man pages for code-path selection.
Fixes: https://github.com/openssl/openssl/issues/31911
Assisted-by: Cursor:composer
Reviewed-by: Eugene Syromiatnikov <[email protected]>
Reviewed-by: Paul Yang <[email protected]>
MergeDate: Tue Aug 11 07:02:37 2026
(Merged from https://github.com/openssl/openssl/pull/32136)
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