Messages in this thread Patch in this message | | | From | Andrei Botila <> | Subject | [PATCH 11/22] crypto: artpec6 - add check for xts input length equal to zero | Date | Fri, 7 Aug 2020 19:19:59 +0300 |
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From: Andrei Botila <andrei.botila@nxp.com>
Standardize the way input lengths equal to 0 are handled in all skcipher algorithms. All the algorithms return 0 for input lengths equal to zero.
Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Lars Persson <lars.persson@axis.com> Signed-off-by: Andrei Botila <andrei.botila@nxp.com> --- drivers/crypto/axis/artpec6_crypto.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c index 1a46eeddf082..243880c97629 100644 --- a/drivers/crypto/axis/artpec6_crypto.c +++ b/drivers/crypto/axis/artpec6_crypto.c @@ -1090,6 +1090,9 @@ static int artpec6_crypto_encrypt(struct skcipher_request *req) void (*complete)(struct crypto_async_request *req); int ret; + if (!req->cryptlen) + return 0; + req_ctx = skcipher_request_ctx(req); switch (ctx->crypto_type) { @@ -1135,6 +1138,9 @@ static int artpec6_crypto_decrypt(struct skcipher_request *req) struct artpec6_crypto_request_context *req_ctx = NULL; void (*complete)(struct crypto_async_request *req); + if (!req->cryptlen) + return 0; + req_ctx = skcipher_request_ctx(req); switch (ctx->crypto_type) { -- 2.17.1
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