Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

Pull crypto library updates from Eric Biggers:

- Migrate more hash algorithms from the traditional c

Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

Pull crypto library updates from Eric Biggers:

- Migrate more hash algorithms from the traditional crypto subsystem to
lib/crypto/

Like the algorithms migrated earlier (e.g. SHA-*), this simplifies
the implementations, improves performance, enables further
simplifications in calling code, and solves various other issues:

- AES CBC-based MACs (AES-CMAC, AES-XCBC-MAC, and AES-CBC-MAC)

- Support these algorithms in lib/crypto/ using the AES library
and the existing arm64 assembly code

- Reimplement the traditional crypto API's "cmac(aes)",
"xcbc(aes)", and "cbcmac(aes)" on top of the library

- Convert mac80211 to use the AES-CMAC library. Note: several
other subsystems can use it too and will be converted later

- Drop the broken, nonstandard, and likely unused support for
"xcbc(aes)" with key lengths other than 128 bits

- Enable optimizations by default

- GHASH

- Migrate the standalone GHASH code into lib/crypto/

- Integrate the GHASH code more closely with the very similar
POLYVAL code, and improve the generic GHASH implementation to
resist cache-timing attacks and use much less memory

- Reimplement the AES-GCM library and the "gcm" crypto_aead
template on top of the GHASH library. Remove "ghash" from the
crypto_shash API, as it's no longer needed

- Enable optimizations by default

- SM3

- Migrate the kernel's existing SM3 code into lib/crypto/, and
reimplement the traditional crypto API's "sm3" on top of it

- I don't recommend using SM3, but this cleanup is worthwhile
to organize the code the same way as other algorithms

- Testing improvements:

- Add a KUnit test suite for each of the new library APIs

- Migrate the existing ChaCha20Poly1305 test to KUnit

- Make the KUnit all_tests.config enable all crypto library tests

- Move the test kconfig options to the Runtime Testing menu

- Other updates to arch-optimized crypto code:

- Optimize SHA-256 for Zhaoxin CPUs using the Padlock Hash Engine

- Remove some MD5 implementations that are no longer worth keeping

- Drop big endian and voluntary preemption support from the arm64
code, as those configurations are no longer supported on arm64

- Make jitterentropy and samples/tsm-mr use the crypto library APIs

* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (66 commits)
lib/crypto: arm64: Assume a little-endian kernel
arm64: fpsimd: Remove obsolete cond_yield macro
lib/crypto: arm64/sha3: Remove obsolete chunking logic
lib/crypto: arm64/sha512: Remove obsolete chunking logic
lib/crypto: arm64/sha256: Remove obsolete chunking logic
lib/crypto: arm64/sha1: Remove obsolete chunking logic
lib/crypto: arm64/poly1305: Remove obsolete chunking logic
lib/crypto: arm64/gf128hash: Remove obsolete chunking logic
lib/crypto: arm64/chacha: Remove obsolete chunking logic
lib/crypto: arm64/aes: Remove obsolete chunking logic
lib/crypto: Include <crypto/utils.h> instead of <crypto/algapi.h>
lib/crypto: aesgcm: Don't disable IRQs during AES block encryption
lib/crypto: aescfb: Don't disable IRQs during AES block encryption
lib/crypto: tests: Migrate ChaCha20Poly1305 self-test to KUnit
lib/crypto: sparc: Drop optimized MD5 code
lib/crypto: mips: Drop optimized MD5 code
lib: Move crypto library tests to Runtime Testing menu
crypto: sm3 - Remove 'struct sm3_state'
crypto: sm3 - Remove the original "sm3_block_generic()"
crypto: sm3 - Remove sm3_base.h
...

show more ...

lib/crypto: arm64/aes: Move assembly code for AES modes into libaes

To migrate the support for CBC-based MACs into libaes, the corresponding
arm64 assembly code needs to be moved there. However, th

lib/crypto: arm64/aes: Move assembly code for AES modes into libaes

To migrate the support for CBC-based MACs into libaes, the corresponding
arm64 assembly code needs to be moved there. However, the arm64 AES
assembly code groups many AES modes together; individual modes aren't
easily separable. (This isn't unique to arm64; other architectures
organize their AES modes similarly.)

Since the other AES modes will be migrated into the library eventually
too, just move the full assembly files for the AES modes into the
library. (This is similar to what I already did for PowerPC and SPARC.)

Specifically: move the assembly files aes-ce.S, aes-modes.S, and
aes-neon.S and their build rules; declare the assembly functions in
<crypto/aes.h>; and export the assembly functions from libaes.

Note that the exports and public declarations of the assembly functions
are temporary. They exist only to keep arch/arm64/crypto/ working until
the AES modes are fully moved into the library.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20260218213501.136844-5-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

show more ...