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[v4,07/32] crypto: padlock/aes - switch to library version of key expansion routine

Message ID 20190702194150.10405-8-ard.biesheuvel@linaro.org
State Accepted
Commit 8131878db76c2bd3065bd3b75cb6615390a393e6
Headers show
Series crypto: AES cleanup | expand

Commit Message

Ard Biesheuvel July 2, 2019, 7:41 p.m. UTC 
Switch to the new AES library that also provides an implementation of
the AES key expansion routine. This removes the dependency on the
generic AES cipher, allowing it to be omitted entirely in the future.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

---
 drivers/crypto/Kconfig       | 2 +-
 drivers/crypto/padlock-aes.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

-- 
2.17.1
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Patch

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 67af688d7d84..3fca5f7e38f0 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -26,7 +26,7 @@  config CRYPTO_DEV_PADLOCK_AES
 	tristate "PadLock driver for AES algorithm"
 	depends on CRYPTO_DEV_PADLOCK
 	select CRYPTO_BLKCIPHER
-	select CRYPTO_AES
+	select CRYPTO_LIB_AES
 	help
 	  Use VIA PadLock for AES algorithm.
 
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index 854539512c35..af90138eddb7 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -144,7 +144,7 @@  static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 	ctx->cword.encrypt.keygen = 1;
 	ctx->cword.decrypt.keygen = 1;
 
-	if (crypto_aes_expand_key(&gen_aes, in_key, key_len)) {
+	if (aes_expandkey(&gen_aes, in_key, key_len)) {
 		*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
 		return -EINVAL;
 	}