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| author | Eric Biggers <ebiggers@kernel.org> | 2026-01-12 11:20:09 -0800 |
|---|---|---|
| committer | Eric Biggers <ebiggers@kernel.org> | 2026-01-12 11:39:58 -0800 |
| commit | 2b1ef7aeeb184ee78523f3d24e221296574c6f2d (patch) | |
| tree | be1ca1de79fb2af1f8870dcb97629277ab4d2f29 /include | |
| parent | fa2297750c2cc61788d1843f358dbfecaa42944f (diff) | |
| download | linux-2b1ef7aeeb184ee78523f3d24e221296574c6f2d.tar.gz linux-2b1ef7aeeb184ee78523f3d24e221296574c6f2d.zip | |
lib/crypto: arm64/aes: Migrate optimized code into library
Move the ARM64 optimized AES key expansion and single-block AES
en/decryption code into lib/crypto/, wire it up to the AES library API,
and remove the superseded crypto_cipher algorithms.
The result is that both the AES library and crypto_cipher APIs are now
optimized for ARM64, whereas previously only crypto_cipher was (and the
optimizations weren't enabled by default, which this fixes as well).
Note: to see the diff from arch/arm64/crypto/aes-ce-glue.c to
lib/crypto/arm64/aes.h, view this commit with 'git show -M10'.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20260112192035.10427-12-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/crypto/aes.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/crypto/aes.h b/include/crypto/aes.h index 66421795cdab..18af1acbde58 100644 --- a/include/crypto/aes.h +++ b/include/crypto/aes.h @@ -116,6 +116,16 @@ static inline int aes_check_keylen(size_t keylen) int aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len); +/* + * The following functions are temporarily exported for use by the AES mode + * implementations in arch/$(SRCARCH)/crypto/. These exports will go away when + * that code is migrated into lib/crypto/. + */ +#ifdef CONFIG_ARM64 +int ce_aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key, + unsigned int key_len); +#endif + /** * aes_preparekey() - Prepare an AES key for encryption and decryption * @key: (output) The key structure to initialize |