openwrt/target/linux/ipq40xx/patches-4.19/041-crypto-qce-fix-ctr-aes-qce-block-chunk-sizes.patch

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2019-12-20 13:52:17 +00:00
From 3f5598286445f695bb63a22239dd3603c69a6eaf Mon Sep 17 00:00:00 2001
From: Eneas U de Queiroz <cotequeiroz@gmail.com>
Date: Mon, 28 Oct 2019 09:03:07 -0300
Subject: [PATCH] crypto: qce - fix ctr-aes-qce block, chunk sizes
Set blocksize of ctr-aes-qce to 1, so it can operate as a stream cipher,
adding the definition for chucksize instead, where the underlying block
size belongs.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
--- a/drivers/crypto/qce/skcipher.c
+++ b/drivers/crypto/qce/skcipher.c
@@ -261,6 +261,7 @@ struct qce_skcipher_def {
const char *name;
const char *drv_name;
unsigned int blocksize;
+ unsigned int chunksize;
unsigned int ivsize;
unsigned int min_keysize;
unsigned int max_keysize;
@@ -289,7 +290,8 @@ static const struct qce_skcipher_def skc
.flags = QCE_ALG_AES | QCE_MODE_CTR,
.name = "ctr(aes)",
.drv_name = "ctr-aes-qce",
- .blocksize = AES_BLOCK_SIZE,
+ .blocksize = 1,
+ .chunksize = AES_BLOCK_SIZE,
.ivsize = AES_BLOCK_SIZE,
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
@@ -359,6 +361,7 @@ static int qce_skcipher_register_one(con
def->drv_name);
alg->base.cra_blocksize = def->blocksize;
+ alg->chunksize = def->chunksize;
alg->ivsize = def->ivsize;
alg->min_keysize = def->min_keysize;
alg->max_keysize = def->max_keysize;