From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/include/crypto/des.h | 40 +++++++++++++++++++++++++++++++++++++---
1 files changed, 37 insertions(+), 3 deletions(-)
diff --git a/kernel/include/crypto/des.h b/kernel/include/crypto/des.h
index d4094d5..7812b43 100644
--- a/kernel/include/crypto/des.h
+++ b/kernel/include/crypto/des.h
@@ -6,6 +6,8 @@
#ifndef __CRYPTO_DES_H
#define __CRYPTO_DES_H
+#include <linux/types.h>
+
#define DES_KEY_SIZE 8
#define DES_EXPKEY_WORDS 32
#define DES_BLOCK_SIZE 8
@@ -14,10 +16,42 @@
#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS)
#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE
+struct des_ctx {
+ u32 expkey[DES_EXPKEY_WORDS];
+};
-extern unsigned long des_ekey(u32 *pe, const u8 *k);
+struct des3_ede_ctx {
+ u32 expkey[DES3_EDE_EXPKEY_WORDS];
+};
-extern int __des3_ede_setkey(u32 *expkey, u32 *flags, const u8 *key,
- unsigned int keylen);
+void des_encrypt(const struct des_ctx *ctx, u8 *dst, const u8 *src);
+void des_decrypt(const struct des_ctx *ctx, u8 *dst, const u8 *src);
+
+void des3_ede_encrypt(const struct des3_ede_ctx *dctx, u8 *dst, const u8 *src);
+void des3_ede_decrypt(const struct des3_ede_ctx *dctx, u8 *dst, const u8 *src);
+
+/**
+ * des_expand_key - Expand a DES input key into a key schedule
+ * @ctx: the key schedule
+ * @key: buffer containing the input key
+ * @len: size of the buffer contents
+ *
+ * Returns 0 on success, -EINVAL if the input key is rejected and -ENOKEY if
+ * the key is accepted but has been found to be weak.
+ */
+int des_expand_key(struct des_ctx *ctx, const u8 *key, unsigned int keylen);
+
+/**
+ * des3_ede_expand_key - Expand a triple DES input key into a key schedule
+ * @ctx: the key schedule
+ * @key: buffer containing the input key
+ * @len: size of the buffer contents
+ *
+ * Returns 0 on success, -EINVAL if the input key is rejected and -ENOKEY if
+ * the key is accepted but has been found to be weak. Note that weak keys will
+ * be rejected (and -EINVAL will be returned) when running in FIPS mode.
+ */
+int des3_ede_expand_key(struct des3_ede_ctx *ctx, const u8 *key,
+ unsigned int keylen);
#endif /* __CRYPTO_DES_H */
--
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