| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (C) 2014 Red Hat Inc. |
| * |
| * Author: Vivek Goyal <vgoyal@redhat.com> |
| */ |
| |
| #ifndef SHA256_H |
| #define SHA256_H |
| |
| #include <linux/types.h> |
| #include <crypto/sha.h> |
| |
| /* |
| * Stand-alone implementation of the SHA256 algorithm. It is designed to |
| * have as little dependencies as possible so it can be used in the |
| * kexec_file purgatory. In other cases you should use the implementation in |
| * crypto/. |
| * |
| * For details see lib/sha256.c |
| */ |
| |
| extern int sha256_init(struct sha256_state *sctx); |
| extern int sha256_update(struct sha256_state *sctx, const u8 *input, |
| unsigned int length); |
| extern int sha256_final(struct sha256_state *sctx, u8 *hash); |
| |
| #endif /* SHA256_H */ |
