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[RFC,07/20] crypto: padlock/aes - switch to library version of key expansion routine

Message ID 20190612124838.2492-8-ard.biesheuvel@linaro.org
State Superseded
Headers show
Series AES cleanup | expand

Commit Message

Ard Biesheuvel June 12, 2019, 12:48 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(-)

-- 
2.20.1
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Patch

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 0af08081e305..b7557eb69409 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -27,7 +27,7 @@  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 ad020133da19..e73eab9bc22a 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -145,7 +145,7 @@  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;
 	}