Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758/* SPDX-License-Identifier: GPL-2.0 *//* * DES & Triple DES EDE Cipher Algorithms. */
#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
#define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE)#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];};
struct des3_ede_ctx { u32 expkey[DES3_EDE_EXPKEY_WORDS];};
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 * @keylen: 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 * @keylen: 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 */