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crypto: xilinx - Avoid Encrypt request to fallback for authsize < 16

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Encrypt requests can be handled by driver when authsize is less than 16.

Signed-off-by: Harsh Jain <h.jain@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Harsh Jain
2025-12-20 21:28:58 +05:30
committed by Herbert Xu
parent 349f0d326d
commit f939b88c7c
1 changed files with 3 additions and 3 deletions
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6
drivers/crypto/xilinx/zynqmp-aes-gcm.c
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@@ -150,7 +150,7 @@ static int zynqmp_aes_aead_cipher(struct aead_request *req)
}
} else {
if (hwreq->op == ZYNQMP_AES_ENCRYPT)
data_size = data_size + ZYNQMP_AES_AUTH_SIZE;
data_size = data_size + crypto_aead_authsize(aead);
else
data_size = data_size - ZYNQMP_AES_AUTH_SIZE;
@@ -178,8 +178,8 @@ static int zynqmp_fallback_check(struct zynqmp_aead_tfm_ctx *tfm_ctx,
int need_fallback = 0;
struct zynqmp_aead_req_ctx *rq_ctx = aead_request_ctx(req);
if (tfm_ctx->authsize != ZYNQMP_AES_AUTH_SIZE)
need_fallback = 1;
if (tfm_ctx->authsize != ZYNQMP_AES_AUTH_SIZE && rq_ctx->op == ZYNQMP_AES_DECRYPT)
return 1;
if (tfm_ctx->keysrc == ZYNQMP_AES_KUP_KEY &&
tfm_ctx->keylen != ZYNQMP_AES_KEY_SIZE) {