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Donenfeld" , Ard Biesheuvel Cc: x86@kernel.org, Herbert Xu , "David S. Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 05/11] lib/crypto: aes: Use aes_zeroize_*key() instead of memzero_explicit() Date: Thu, 13 Aug 2026 15:49:43 +0200 Message-ID: <20260813134953.979481-6-thuth@redhat.com> In-Reply-To: <20260813134953.979481-1-thuth@redhat.com> References: <20260813134953.979481-1-thuth@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 From: Thomas Huth It's only cosmetics here, but since we have the new aes_zeroize_key() and aes_zeroize_enckey() functions anyway, we can also use them here. Signed-off-by: Thomas Huth --- lib/crypto/aes.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/lib/crypto/aes.c b/lib/crypto/aes.c index f1549839b3de0..07c1d912ac365 100644 --- a/lib/crypto/aes.c +++ b/lib/crypto/aes.c @@ -539,7 +539,7 @@ static void __init aes_fips_test(void) if (memcmp(fips_test_data, data, sizeof(data)) != 0) panic("aes: FIPS self-test failed (wrong plaintext)\n"); - memzero_explicit(&key, sizeof(key)); + aes_zeroize_key(&key); } #if IS_ENABLED(CONFIG_CRYPTO_LIB_AES_CBC_MACS) @@ -827,7 +827,7 @@ static void __init aes_ecb_fips_test(void) if (memcmp(fips_test_data, data, sizeof(data)) != 0) panic("aes: ECB FIPS self-test failed (wrong plaintext)\n"); - memzero_explicit(&key, sizeof(key)); + aes_zeroize_key(&key); } #else /* CONFIG_CRYPTO_LIB_AES_ECB */ static inline void aes_ecb_fips_test(void) @@ -1040,7 +1040,7 @@ static void __init aes_cbc_fips_test(void) if (memcmp(fips_test_data, data, sizeof(data)) != 0) panic("aes: CBC FIPS self-test failed (wrong plaintext)\n"); - memzero_explicit(&key, sizeof(key)); + aes_zeroize_key(&key); } /* FIPS cryptographic algorithm self-test for AES-CBC-CTS */ @@ -1069,7 +1069,7 @@ static void __init aes_cbc_cts_fips_test(void) if (memcmp(ptext, data, data_len) != 0) panic("aes: CBC-CTS FIPS self-test failed (wrong plaintext)\n"); - memzero_explicit(&key, sizeof(key)); + aes_zeroize_key(&key); } #else /* CONFIG_CRYPTO_LIB_AES_CBC */ static inline void aes_cbc_fips_test(void) @@ -1194,7 +1194,7 @@ static void __init aes_ctr_fips_test(void) if (memcmp(fips_test_data, data, sizeof(data)) != 0) panic("aes: CTR FIPS self-test failed (wrong plaintext)\n"); - memzero_explicit(&key, sizeof(key)); + aes_zeroize_enckey(&key); } #else /* CONFIG_CRYPTO_LIB_AES_CTR */ static inline void aes_ctr_fips_test(void) -- 2.55.0