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crypto: arm64/aes-neonbs - switch to library version of key expansion routine 

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ard Biesheuvel 2019-07-02 21:41:31 +02:00 committed by Herbert Xu
parent c59a6dffa3
commit f68df54307
2 changed files with 5 additions and 4 deletions
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1
arch/arm64/crypto/Kconfig
View File

@ -116,6 +116,7 @@ config CRYPTO_AES_ARM64_BS
select CRYPTO_BLKCIPHER
select CRYPTO_AES_ARM64_NEON_BLK
select CRYPTO_AES_ARM64
select CRYPTO_LIB_AES
select CRYPTO_SIMD
endif

8
arch/arm64/crypto/aes-neonbs-glue.c
View File

@ -74,7 +74,7 @@ static int aesbs_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
struct crypto_aes_ctx rk;
int err;
err = crypto_aes_expand_key(&rk, in_key, key_len);
err = aes_expandkey(&rk, in_key, key_len);
if (err)
return err;
@ -133,7 +133,7 @@ static int aesbs_cbc_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
struct crypto_aes_ctx rk;
int err;
err = crypto_aes_expand_key(&rk, in_key, key_len);
err = aes_expandkey(&rk, in_key, key_len);
if (err)
return err;
@ -205,7 +205,7 @@ static int aesbs_ctr_setkey_sync(struct crypto_skcipher *tfm, const u8 *in_key,
struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
int err;
err = crypto_aes_expand_key(&ctx->fallback, in_key, key_len);
err = aes_expandkey(&ctx->fallback, in_key, key_len);
if (err)
return err;
@ -271,7 +271,7 @@ static int aesbs_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
return err;
key_len /= 2;
err = crypto_aes_expand_key(&rk, in_key + key_len, key_len);
err = aes_expandkey(&rk, in_key + key_len, key_len);
if (err)
return err;