From 75467f60a3d14f08f86f2b353298d2826382ff23 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Fri, 25 Sep 2026 15:55:03 -0700 Subject: Merge tag 'ipe-pr-20260925' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe Pull IPE fixes from Fan Wu: "Two fixes for use-after-free issues found by recent LLM-assisted code analysis. - move successful policy load auditing under the new policy directory's inode lock, preventing a concurrent policy deletion from freeing the policy while it is still being audited - protect the dm-verity root hash with RCU, preventing policy evaluation from racing with root hash replacement during preresume" * tag 'ipe-pr-20260925' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe: ipe: protect the dm-verity root hash with RCU ipe: fix use-after-free when auditing a newly loaded policy --- include/crypto/twofish.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 include/crypto/twofish.h (limited to 'include/crypto/twofish.h') diff --git a/include/crypto/twofish.h b/include/crypto/twofish.h new file mode 100644 index 000000000..f6b307a58 --- /dev/null +++ b/include/crypto/twofish.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _CRYPTO_TWOFISH_H +#define _CRYPTO_TWOFISH_H + +#include + +#define TF_MIN_KEY_SIZE 16 +#define TF_MAX_KEY_SIZE 32 +#define TF_BLOCK_SIZE 16 + +struct crypto_tfm; + +/* Structure for an expanded Twofish key. s contains the key-dependent + * S-boxes composed with the MDS matrix; w contains the eight "whitening" + * subkeys, K[0] through K[7]. k holds the remaining, "round" subkeys. Note + * that k[i] corresponds to what the Twofish paper calls K[i+8]. */ +struct twofish_ctx { + u32 s[4][256], w[8], k[32]; +}; + +int __twofish_setkey(struct twofish_ctx *ctx, const u8 *key, + unsigned int key_len); +int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len); + +#endif -- cgit v1.3.1