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crypto: aes-generic - drop key expansion routine in favor of library version

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Drop aes-generic's version of crypto_aes_expand_key(), and switch to
the key expansion routine provided by the AES library. AES key expansion
is not performance critical, and it is better to have a single version
shared by all AES implementations.

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 21:41:33 +02:00
committed by Herbert Xu
parent c184472902
commit 5bb12d7825
3 changed files with 3 additions and 153 deletions
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2
include/crypto/aes.h
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@@ -35,8 +35,6 @@ extern const u32 crypto_il_tab[4][256] ____cacheline_aligned;
int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len);
int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
unsigned int key_len);
/**
* aes_expandkey - Expands the AES key as described in FIPS-197