diff options
| author | Eric Biggers <ebiggers@kernel.org> | 2025-10-17 21:31:02 -0700 |
|---|---|---|
| committer | Eric Biggers <ebiggers@kernel.org> | 2025-10-29 22:04:24 -0700 |
| commit | 23a16c9533ed92cc639c8f5bd9eb104809fe2919 (patch) | |
| tree | d3235f30a4f80ceef8f3bb95ff2a8f758c063e14 /lib/crypto/Makefile | |
| parent | c99d30706043481a1d631bbd9c7a4b70fe002a2b (diff) | |
lib/crypto: blake2b: Add BLAKE2b library functions
Add a library API for BLAKE2b, closely modeled after the BLAKE2s API.
This will allow in-kernel users such as btrfs to use BLAKE2b without
going through the generic crypto layer. In addition, as usual the
BLAKE2b crypto_shash algorithms will be reimplemented on top of this.
Note: to create lib/crypto/blake2b.c I made a copy of
lib/crypto/blake2s.c and made the updates from BLAKE2s => BLAKE2b. This
way, the BLAKE2s and BLAKE2b code is kept consistent. Therefore, it
borrows the SPDX-License-Identifier and Copyright from
lib/crypto/blake2s.c rather than crypto/blake2b_generic.c.
The library API uses 'struct blake2b_ctx', consistent with other
lib/crypto/ APIs. The existing 'struct blake2b_state' will be removed
once the blake2b crypto_shash algorithms are updated to stop using it.
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251018043106.375964-7-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Diffstat (limited to 'lib/crypto/Makefile')
| -rw-r--r-- | lib/crypto/Makefile | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile index bded351aeace..f863417b1681 100644 --- a/lib/crypto/Makefile +++ b/lib/crypto/Makefile @@ -31,6 +31,15 @@ obj-$(CONFIG_CRYPTO_LIB_GF128MUL) += gf128mul.o ################################################################################ +obj-$(CONFIG_CRYPTO_LIB_BLAKE2B) += libblake2b.o +libblake2b-y := blake2b.o +CFLAGS_blake2b.o := -Wframe-larger-than=4096 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105930 +ifeq ($(CONFIG_CRYPTO_LIB_BLAKE2B_ARCH),y) +CFLAGS_blake2b.o += -I$(src)/$(SRCARCH) +endif # CONFIG_CRYPTO_LIB_BLAKE2B_ARCH + +################################################################################ + # blake2s is used by the /dev/random driver which is always builtin obj-y += blake2s.o ifeq ($(CONFIG_CRYPTO_LIB_BLAKE2S_ARCH),y) |