linux-kernel - [PATCH 07/36] crypto: aegis - Switch from crypto_ft_tab[] to aes_enc

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Message-ID: <20260105051311.1607207-8-ebiggers@kernel.org>
Date: Sun,  4 Jan 2026 21:12:40 -0800
From: Eric Biggers <ebiggers@...nel.org>
To: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	"Jason A . Donenfeld" <Jason@...c4.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-riscv@...ts.infradead.org,
	linux-s390@...r.kernel.org,
	sparclinux@...r.kernel.org,
	x86@...nel.org,
	Holger Dengler <dengler@...ux.ibm.com>,
	Harald Freudenberger <freude@...ux.ibm.com>,
	Eric Biggers <ebiggers@...nel.org>
Subject: [PATCH 07/36] crypto: aegis - Switch from crypto_ft_tab[] to aes_enc_tab[]

Instead of crypto_ft_tab[0] from aes_generic.c, use aes_enc_tab from
lib/crypto/aes.c.  These contain the same data, so the result is the
same.  This will allow aes_generic.c to eventually be removed.

Signed-off-by: Eric Biggers <ebiggers@...nel.org>
---
 crypto/Kconfig | 2 +-
 crypto/aegis.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 12a87f7cf150..443fe8e016fd 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -764,11 +764,11 @@ endmenu
 menu "AEAD (authenticated encryption with associated data) ciphers"
 
 config CRYPTO_AEGIS128
 	tristate "AEGIS-128"
 	select CRYPTO_AEAD
-	select CRYPTO_AES  # for AES S-box tables
+	select CRYPTO_LIB_AES  # for AES S-box tables
 	help
 	  AEGIS-128 AEAD algorithm
 
 config CRYPTO_AEGIS128_SIMD
 	bool "AEGIS-128 (arm NEON, arm64 NEON)"
diff --git a/crypto/aegis.h b/crypto/aegis.h
index 6ef9c174c973..ffcf8e85ea69 100644
--- a/crypto/aegis.h
+++ b/crypto/aegis.h
@@ -60,11 +60,11 @@ static __always_inline void crypto_aegis_block_and(union aegis_block *dst,
 static __always_inline void crypto_aegis_aesenc(union aegis_block *dst,
 						const union aegis_block *src,
 						const union aegis_block *key)
 {
 	const u8  *s  = src->bytes;
-	const u32 *t = crypto_ft_tab[0];
+	const u32 *t = aes_enc_tab;
 	u32 d0, d1, d2, d3;
 
 	d0 = t[s[ 0]] ^ rol32(t[s[ 5]], 8) ^ rol32(t[s[10]], 16) ^ rol32(t[s[15]], 24);
 	d1 = t[s[ 4]] ^ rol32(t[s[ 9]], 8) ^ rol32(t[s[14]], 16) ^ rol32(t[s[ 3]], 24);
 	d2 = t[s[ 8]] ^ rol32(t[s[13]], 8) ^ rol32(t[s[ 2]], 16) ^ rol32(t[s[ 7]], 24);
-- 
2.52.0