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crypto: chelsio - count incomplete block in IV

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The partial block should count as one and appropriately appended
to IV. eg 499B for AES CTR should count 32 block than 31 and
correct count value is updated in iv out.

Signed-off-by: Atul Gupta <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Atul Gupta authored and Herbert Xu committed 2019-05-09 13:17:23 +08:00
1 parent 33ddc108c5
commit 0a4491d3fe
1 file changed
+2 -2
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drivers/crypto/chelsio/chcr_algo.c
+2 -2
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@@ -1094,8 +1094,8 @@ static int chcr_final_cipher_iv(struct ablkcipher_request *req,
int ret = 0;
if (subtype == CRYPTO_ALG_SUB_TYPE_CTR)
ctr_add_iv(iv, req->info, (reqctx->processed /
AES_BLOCK_SIZE));
ctr_add_iv(iv, req->info, DIV_ROUND_UP(reqctx->processed,
AES_BLOCK_SIZE));
else if (subtype == CRYPTO_ALG_SUB_TYPE_XTS)
ret = chcr_update_tweak(req, iv, 1);
else if (subtype == CRYPTO_ALG_SUB_TYPE_CBC) {