linux-ext4 - [PATCH 0/2] Convert fs/verity/ to use SHA-2 library API

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Message-ID: <20250630172224.46909-1-ebiggers@kernel.org>
Date: Mon, 30 Jun 2025 10:22:22 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: fsverity@...ts.linux.dev
Cc: linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	linux-btrfs@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	"Jason A . Donenfeld" <Jason@...c4.com>,
	Theodore Ts'o <tytso@....edu>,
	Eric Biggers <ebiggers@...nel.org>
Subject: [PATCH 0/2] Convert fs/verity/ to use SHA-2 library API

This series, including all its prerequisites, is also available at:

    git fetch https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git fsverity-libcrypto-v1

This series makes fs/verity/ use the SHA-2 library API instead of the
old-school crypto API.  This is simpler and more efficient.

This depends on my SHA-2 library improvements for 6.17 (many patches),
so this patchset might need to wait until 6.18.  But I'm also thinking
about just basing the fsverity tree on libcrypto-next for 6.17.

Eric Biggers (2):
  lib/crypto: hash_info: Move hash_info.c into lib/crypto/
  fsverity: Switch from crypto_shash to SHA-2 library

 Documentation/filesystems/fsverity.rst |   3 +-
 crypto/Kconfig                         |   3 -
 crypto/Makefile                        |   1 -
 fs/verity/Kconfig                      |   6 +-
 fs/verity/enable.c                     |   8 +-
 fs/verity/fsverity_private.h           |  24 +--
 fs/verity/hash_algs.c                  | 194 +++++++++----------------
 fs/verity/open.c                       |  36 ++---
 fs/verity/verify.c                     |   7 +-
 lib/crypto/Kconfig                     |   3 +
 lib/crypto/Makefile                    |   2 +
 {crypto => lib/crypto}/hash_info.c     |   0
 12 files changed, 107 insertions(+), 180 deletions(-)
 rename {crypto => lib/crypto}/hash_info.c (100%)

-- 
2.50.0