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crypto: atmel-aes - Use gcm helper to check authsize

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Use core helper functions.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tudor Ambarus 2019-12-05 09:54:08 +00:00 committed by Herbert Xu
parent 4c977e37b0
commit 7db15aade8
1 changed files with 1 additions and 15 deletions
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16
drivers/crypto/atmel-aes.c
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@ -1789,21 +1789,7 @@ static int atmel_aes_gcm_setkey(struct crypto_aead *tfm, const u8 *key,
static int atmel_aes_gcm_setauthsize(struct crypto_aead *tfm,
unsigned int authsize)
{
/* Same as crypto_gcm_authsize() from crypto/gcm.c */
switch (authsize) {
case 4:
case 8:
case 12:
case 13:
case 14:
case 15:
case 16:
break;
default:
return -EINVAL;
}
return 0;
return crypto_gcm_check_authsize(authsize);
}
static int atmel_aes_gcm_encrypt(struct aead_request *req)