On Mon, Jun 30, 2025 at 09:06:31AM -0700, Eric Biggers wrote:
> This series is also available at:
>
> git fetch https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git sha256-lib-cleanup-v2
>
> This series improves the SHA-224 and SHA-256 library code to be
> consistent with what I did for SHA-384 and SHA-512. This includes:
>
> - Use stronger typing in the SHA-224 and SHA-256 functions.
>
> - Add support for HMAC-SHA224 and HMAC-SHA256. (I'll send a separate
> patch with KUnit test cases for this.)
>
> - Make the old-school crypto API's support for sha224 and sha256 just
> use the actual library API, instead of unsafe low-level functions.
>
> - Consolidate the CPU-based SHA-224 and SHA-256 code into a single
> module, with better inlining and dead code elimination.
>
> - Properly document the SHA-224 and SHA-256 functions.
>
> - Other changes to synchronize the code with SHA-384 and SHA-512.
>
> Changed in v2:
> - Dropped sha224_kunit.c changes; it will be added later in the history
> - Dropped some patches that I folded into the SHA-512 series
> - Removed redundant checks of IS_ENABLED(CONFIG_KERNEL_MODE_NEON)
> - Removed obsolete setting of -DARCH for sha256.o
> - Fixed a commit title to mention sha256 instead of sha512
> - Excluded HMAC-SHA{224,256} code from purgatory, where it isn't needed
>
> Eric Biggers (14):
> libceph: Rename hmac_sha256() to ceph_hmac_sha256()
> cxl/test: Simplify fw_buf_checksum_show()
> lib/crypto: sha256: Reorder some code
> lib/crypto: sha256: Remove sha256_blocks_simd()
> lib/crypto: sha256: Add sha224() and sha224_update()
> lib/crypto: sha256: Make library API use strongly-typed contexts
> lib/crypto: sha256: Propagate sha256_block_state type to
> implementations
> lib/crypto: sha256: Add HMAC-SHA224 and HMAC-SHA256 support
> crypto: sha256 - Wrap library and add HMAC support
> crypto: sha256 - Use same state format as legacy drivers
> lib/crypto: sha256: Remove sha256_is_arch_optimized()
> lib/crypto: sha256: Consolidate into single module
> lib/crypto: sha256: Sync sha256_update() with sha512_update()
> lib/crypto: sha256: Document the SHA-224 and SHA-256 API
FYI, applied to libcrypto-next. Reviews and acks would be greatly appreciated,
though!
To fix https://lore.kernel.org/r/202507010837.ERX7aWw7-lkp@intel.com/
I applied the following fixup to
"lib/crypto: sha256: Propagate sha256_block_state type to implementations".
diff --git a/lib/crypto/powerpc/sha256.c b/lib/crypto/powerpc/sha256.c
index c3f844ae0aceb..55f42403d572a 100644
--- a/lib/crypto/powerpc/sha256.c
+++ b/lib/crypto/powerpc/sha256.c
@@ -26,7 +26,8 @@
*/
#define MAX_BYTES 1024
-extern void ppc_spe_sha256_transform(u32 *state, const u8 *src, u32 blocks);
+extern void ppc_spe_sha256_transform(struct sha256_block_state *state,
+ const u8 *src, u32 blocks);
static void spe_begin(void)
{