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crypto: inside-secure - authenc(hmac(sha256), cbc(aes)) support

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This patch adds support for the first AEAD algorithm in the Inside
Secure SafeXcel driver, authenc(hmac(sha256),cbc(aes)). As this is the
first AEAD algorithm added to this driver, common AEAD functions are
added as well.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Tenart
2018-05-14 15:11:02 +02:00
committed by Herbert Xu
parent bdfd190956
commit f6beaea304
5 changed files with 352 additions and 32 deletions
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14
drivers/crypto/inside-secure/safexcel_hash.c
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@@ -50,16 +50,6 @@ struct safexcel_ahash_req {
u8 cache_next[SHA256_BLOCK_SIZE] __aligned(sizeof(u32));
};
struct safexcel_ahash_export_state {
u64 len;
u64 processed;
u32 digest;
u32 state[SHA256_DIGEST_SIZE / sizeof(u32)];
u8 cache[SHA256_BLOCK_SIZE];
};
static void safexcel_hash_token(struct safexcel_command_desc *cdesc,
u32 input_length, u32 result_length)
{
@@ -909,8 +899,8 @@ static int safexcel_hmac_init_iv(struct ahash_request *areq,
return crypto_ahash_export(areq, state);
}
static int safexcel_hmac_setkey(const char *alg, const u8 *key,
unsigned int keylen, void *istate, void *ostate)
int safexcel_hmac_setkey(const char *alg, const u8 *key, unsigned int keylen,
void *istate, void *ostate)
{
struct ahash_request *areq;
struct crypto_ahash *tfm;