Messages in this thread Patch in this message | | | From | Andrei Botila <> | Subject | [PATCH 10/22] crypto: atmel-aes - add check for xts input length equal to zero | Date | Fri, 7 Aug 2020 19:19:58 +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: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Andrei Botila <andrei.botila@nxp.com> --- drivers/crypto/atmel-aes.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index a6e14491e080..af789ac73478 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -1107,6 +1107,10 @@ static int atmel_aes_crypt(struct skcipher_request *req, unsigned long mode) ctx->block_size = CFB64_BLOCK_SIZE; break; + case AES_FLAGS_XTS: + if (!req->cryptlen) + return 0; + default: ctx->block_size = AES_BLOCK_SIZE; break; -- 2.17.1
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