From bb3b2cfeb206f5b10b859e134651b54120e3f530 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 30 Jun 2026 18:05:56 +0100 Subject: ARM: 9480/1: entry: expand comment in __switch_to As per discussion between the developers in the mail thread linked, expand the comment in __switch_to so that readers of the code understand what is going on. Suggested-by: Mark Rutland Acked-by: Mark Rutland Signed-off-by: Linus Walleij > Signed-off-by: Russell King --- include/crypto/serpent.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 include/crypto/serpent.h (limited to 'include/crypto/serpent.h') diff --git a/include/crypto/serpent.h b/include/crypto/serpent.h new file mode 100644 index 000000000..75c7eaa20 --- /dev/null +++ b/include/crypto/serpent.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Common values for serpent algorithms + */ + +#ifndef _CRYPTO_SERPENT_H +#define _CRYPTO_SERPENT_H + +#include +#include + +#define SERPENT_MIN_KEY_SIZE 0 +#define SERPENT_MAX_KEY_SIZE 32 +#define SERPENT_EXPKEY_WORDS 132 +#define SERPENT_BLOCK_SIZE 16 + +struct serpent_ctx { + u32 expkey[SERPENT_EXPKEY_WORDS]; +}; + +int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key, + unsigned int keylen); +int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); + +void __serpent_encrypt(const void *ctx, u8 *dst, const u8 *src); +void __serpent_decrypt(const void *ctx, u8 *dst, const u8 *src); + +#endif -- cgit v1.3.1