From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/crypto/xts.h | 25 ++++++-------------------
1 files changed, 6 insertions(+), 19 deletions(-)
diff --git a/kernel/include/crypto/xts.h b/kernel/include/crypto/xts.h
index 34d94c9..0f8dba6 100644
--- a/kernel/include/crypto/xts.h
+++ b/kernel/include/crypto/xts.h
@@ -8,28 +8,19 @@
#define XTS_BLOCK_SIZE 16
-#define XTS_TWEAK_CAST(x) ((void (*)(void *, u8*, const u8*))(x))
-
static inline int xts_check_key(struct crypto_tfm *tfm,
const u8 *key, unsigned int keylen)
{
- u32 *flags = &tfm->crt_flags;
-
/*
* key consists of keys of equal size concatenated, therefore
* the length must be even.
*/
- if (keylen % 2) {
- *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+ if (keylen % 2)
return -EINVAL;
- }
/* ensure that the AES and tweak key are not identical */
- if (fips_enabled &&
- !crypto_memneq(key, key + (keylen / 2), keylen / 2)) {
- *flags |= CRYPTO_TFM_RES_WEAK_KEY;
+ if (fips_enabled && !crypto_memneq(key, key + (keylen / 2), keylen / 2))
return -EINVAL;
- }
return 0;
}
@@ -41,18 +32,14 @@
* key consists of keys of equal size concatenated, therefore
* the length must be even.
*/
- if (keylen % 2) {
- crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ if (keylen % 2)
return -EINVAL;
- }
/* ensure that the AES and tweak key are not identical */
- if ((fips_enabled || crypto_skcipher_get_flags(tfm) &
- CRYPTO_TFM_REQ_WEAK_KEY) &&
- !crypto_memneq(key, key + (keylen / 2), keylen / 2)) {
- crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY);
+ if ((fips_enabled || (crypto_skcipher_get_flags(tfm) &
+ CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) &&
+ !crypto_memneq(key, key + (keylen / 2), keylen / 2))
return -EINVAL;
- }
return 0;
}
--
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