[PATCH 8/9] crypto: sha256 - Merge crypto/sha256.h into crypto/sha.h
From: Hans de Goede <hidden>
Date: 2019-09-01 20:36:19
Also in:
linux-crypto, linux-efi, linux-s390, lkml
Subsystem:
crypto api, crypto library, library code, s390 architecture, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Herbert Xu, "David S. Miller", Eric Biggers, Jason A. Donenfeld, Ard Biesheuvel, Andrew Morton, Heiko Carstens, Vasily Gorbik, Alexander Gordeev, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
The generic sha256 implementation from lib/crypto/sha256.c uses data structs defined in crypto/sha.h, so lets move the function prototypes there too. Signed-off-by: Hans de Goede <redacted> --- arch/s390/purgatory/purgatory.c | 2 +- arch/x86/purgatory/purgatory.c | 2 +- crypto/sha256_generic.c | 1 - include/crypto/sha.h | 21 ++++++++++++++++++++ include/crypto/sha256.h | 34 --------------------------------- lib/crypto/sha256.c | 2 +- 6 files changed, 24 insertions(+), 38 deletions(-) delete mode 100644 include/crypto/sha256.h
diff --git a/arch/s390/purgatory/purgatory.c b/arch/s390/purgatory/purgatory.c
index a80c78da9985..0a423bcf6746 100644
--- a/arch/s390/purgatory/purgatory.c
+++ b/arch/s390/purgatory/purgatory.c@@ -9,7 +9,7 @@ #include <linux/kexec.h> #include <linux/string.h> -#include <crypto/sha256.h> +#include <crypto/sha.h> #include <asm/purgatory.h> int verify_sha256_digest(void)
diff --git a/arch/x86/purgatory/purgatory.c b/arch/x86/purgatory/purgatory.c
index 7f90a86eff49..3b95410ff0f8 100644
--- a/arch/x86/purgatory/purgatory.c
+++ b/arch/x86/purgatory/purgatory.c@@ -9,7 +9,7 @@ */ #include <linux/bug.h> -#include <crypto/sha256.h> +#include <crypto/sha.h> #include <asm/purgatory.h> #include "../boot/string.h"
diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c
index eafd10f9bf86..f2d7095d4f2d 100644
--- a/crypto/sha256_generic.c
+++ b/crypto/sha256_generic.c@@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/types.h> #include <crypto/sha.h> -#include <crypto/sha256.h> #include <crypto/sha256_base.h> #include <asm/byteorder.h> #include <asm/unaligned.h>
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index 8a46202b1857..535955c84187 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h@@ -112,4 +112,25 @@ extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data, extern int crypto_sha512_finup(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *hash); + +/* + * 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 generally use the + * hash APIs from include/crypto/hash.h. Especially when hashing large + * amounts of data as those APIs may be hw-accelerated. + * + * For details see lib/crypto/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); + +extern int sha224_init(struct sha256_state *sctx); +extern int sha224_update(struct sha256_state *sctx, const u8 *input, + unsigned int length); +extern int sha224_final(struct sha256_state *sctx, u8 *hash); + #endif
diff --git a/include/crypto/sha256.h b/include/crypto/sha256.h
deleted file mode 100644
index a75998d65a41..000000000000
--- a/include/crypto/sha256.h
+++ /dev/null@@ -1,34 +0,0 @@ -/* 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 generally use the - * hash APIs from include/crypto/hash.h. Especially when hashing large - * amounts of data as those APIs may be hw-accelerated. - * - * For details see lib/crypto/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); - -extern int sha224_init(struct sha256_state *sctx); -extern int sha224_update(struct sha256_state *sctx, const u8 *input, - unsigned int length); -extern int sha224_final(struct sha256_state *sctx, u8 *hash); - -#endif /* SHA256_H */
diff --git a/lib/crypto/sha256.c b/lib/crypto/sha256.c
index 42d75e490a97..220b74c2bbd8 100644
--- a/lib/crypto/sha256.c
+++ b/lib/crypto/sha256.c@@ -15,7 +15,7 @@ #include <linux/export.h> #include <linux/module.h> #include <linux/string.h> -#include <crypto/sha256.h> +#include <crypto/sha.h> #include <asm/unaligned.h> static inline u32 Ch(u32 x, u32 y, u32 z)
--
2.23.0
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