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crypto: crypto4xx - Use new AES library API

Switch from the old AES library functions (which use struct
crypto_aes_ctx) to the new ones (which use struct aes_enckey). This
eliminates the unnecessary computation and caching of the decryption
round keys. The new AES en/decryption functions are also much faster
and use AES instructions when supported by the CPU.

Note that in addition to the change in the key preparation function and
the key struct type itself, the change in the type of the key struct
results in aes_encrypt() (which is temporarily a type-generic macro)
calling the new encryption function rather than the old one.

Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20260112192035.10427-29-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

Eric Biggers 9b95f3a4 cafa7a0b

+5 -5
+5 -5
drivers/crypto/amcc/crypto4xx_alg.c
··· 491 491 static int crypto4xx_compute_gcm_hash_key_sw(__le32 *hash_start, const u8 *key, 492 492 unsigned int keylen) 493 493 { 494 - struct crypto_aes_ctx ctx; 494 + struct aes_enckey aes; 495 495 uint8_t src[16] = { 0 }; 496 496 int rc; 497 497 498 - rc = aes_expandkey(&ctx, key, keylen); 498 + rc = aes_prepareenckey(&aes, key, keylen); 499 499 if (rc) { 500 - pr_err("aes_expandkey() failed: %d\n", rc); 500 + pr_err("aes_prepareenckey() failed: %d\n", rc); 501 501 return rc; 502 502 } 503 503 504 - aes_encrypt(&ctx, src, src); 504 + aes_encrypt(&aes, src, src); 505 505 crypto4xx_memcpy_to_le32(hash_start, src, 16); 506 - memzero_explicit(&ctx, sizeof(ctx)); 506 + memzero_explicit(&aes, sizeof(aes)); 507 507 return 0; 508 508 } 509 509