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Message-Id: <0596218f2caebca829a40a05c014a94e44ae1369.1745816372.git.herbert@gondor.apana.org.au>
Date: Mon, 28 Apr 2025 13:17:29 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Linux Crypto Mailing List <linux-crypto@...r.kernel.org>
Cc: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org, sparclinux@...r.kernel.org, linux-s390@...r.kernel.org, x86@...nel.org, Ard Biesheuvel <ardb@...nel.org>, "Jason A . Donenfeld " <Jason@...c4.com>, Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [v3 PATCH 12/13] crypto: sha256 - remove sha256_base.h
From: Eric Biggers <ebiggers@...gle.com>
sha256_base.h is no longer used, so remove it.
Signed-off-by: Eric Biggers <ebiggers@...gle.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
---
include/crypto/sha256_base.h | 151 -----------------------------------
1 file changed, 151 deletions(-)
delete mode 100644 include/crypto/sha256_base.h
diff --git a/include/crypto/sha256_base.h b/include/crypto/sha256_base.h
deleted file mode 100644
index 804361731a7a..000000000000
--- a/include/crypto/sha256_base.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * sha256_base.h - core logic for SHA-256 implementations
- *
- * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@...aro.org>
- */
-
-#ifndef _CRYPTO_SHA256_BASE_H
-#define _CRYPTO_SHA256_BASE_H
-
-#include <crypto/internal/blockhash.h>
-#include <crypto/internal/hash.h>
-#include <crypto/internal/sha2.h>
-#include <linux/math.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/unaligned.h>
-
-typedef void (sha256_block_fn)(struct crypto_sha256_state *sst, u8 const *src,
- int blocks);
-
-static inline int sha224_base_init(struct shash_desc *desc)
-{
- struct sha256_state *sctx = shash_desc_ctx(desc);
-
- sha224_init(sctx);
- return 0;
-}
-
-static inline int sha256_base_init(struct shash_desc *desc)
-{
- struct sha256_state *sctx = shash_desc_ctx(desc);
-
- sha256_init(sctx);
- return 0;
-}
-
-static inline int lib_sha256_base_do_update(struct sha256_state *sctx,
- const u8 *data,
- unsigned int len,
- sha256_block_fn *block_fn)
-{
- unsigned int partial = sctx->count % SHA256_BLOCK_SIZE;
-
- sctx->count += len;
- BLOCK_HASH_UPDATE_BLOCKS(block_fn, &sctx->ctx, data, len,
- SHA256_BLOCK_SIZE, sctx->buf, partial);
- return 0;
-}
-
-static inline int lib_sha256_base_do_update_blocks(
- struct crypto_sha256_state *sctx, const u8 *data, unsigned int len,
- sha256_block_fn *block_fn)
-{
- unsigned int remain = len - round_down(len, SHA256_BLOCK_SIZE);
-
- sctx->count += len - remain;
- block_fn(sctx, data, len / SHA256_BLOCK_SIZE);
- return remain;
-}
-
-static inline int sha256_base_do_update_blocks(
- struct shash_desc *desc, const u8 *data, unsigned int len,
- sha256_block_fn *block_fn)
-{
- return lib_sha256_base_do_update_blocks(shash_desc_ctx(desc), data,
- len, block_fn);
-}
-
-static inline int lib_sha256_base_do_finup(struct crypto_sha256_state *sctx,
- const u8 *src, unsigned int len,
- sha256_block_fn *block_fn)
-{
- unsigned int bit_offset = SHA256_BLOCK_SIZE / 8 - 1;
- union {
- __be64 b64[SHA256_BLOCK_SIZE / 4];
- u8 u8[SHA256_BLOCK_SIZE * 2];
- } block = {};
-
- if (len >= bit_offset * 8)
- bit_offset += SHA256_BLOCK_SIZE / 8;
- memcpy(&block, src, len);
- block.u8[len] = 0x80;
- sctx->count += len;
- block.b64[bit_offset] = cpu_to_be64(sctx->count << 3);
- block_fn(sctx, block.u8, (bit_offset + 1) * 8 / SHA256_BLOCK_SIZE);
- memzero_explicit(&block, sizeof(block));
-
- return 0;
-}
-
-static inline int sha256_base_do_finup(struct shash_desc *desc,
- const u8 *src, unsigned int len,
- sha256_block_fn *block_fn)
-{
- struct crypto_sha256_state *sctx = shash_desc_ctx(desc);
-
- if (len >= SHA256_BLOCK_SIZE) {
- int remain;
-
- remain = lib_sha256_base_do_update_blocks(sctx, src, len,
- block_fn);
- src += len - remain;
- len = remain;
- }
- return lib_sha256_base_do_finup(sctx, src, len, block_fn);
-}
-
-static inline int lib_sha256_base_do_finalize(struct sha256_state *sctx,
- sha256_block_fn *block_fn)
-{
- unsigned int partial = sctx->count % SHA256_BLOCK_SIZE;
- struct crypto_sha256_state *state = (void *)sctx;
-
- sctx->count -= partial;
- return lib_sha256_base_do_finup(state, sctx->buf, partial, block_fn);
-}
-
-static inline int __sha256_base_finish(u32 state[SHA256_DIGEST_SIZE / 4],
- u8 *out, unsigned int digest_size)
-{
- __be32 *digest = (__be32 *)out;
- int i;
-
- for (i = 0; digest_size > 0; i++, digest_size -= sizeof(__be32))
- put_unaligned_be32(state[i], digest++);
- return 0;
-}
-
-static inline void lib_sha256_base_finish(struct sha256_state *sctx, u8 *out,
- unsigned int digest_size)
-{
- __sha256_base_finish(sctx->state, out, digest_size);
- memzero_explicit(sctx, sizeof(*sctx));
-}
-
-static inline int sha256_base_finish(struct shash_desc *desc, u8 *out)
-{
- unsigned int digest_size = crypto_shash_digestsize(desc->tfm);
- struct crypto_sha256_state *sctx = shash_desc_ctx(desc);
-
- return __sha256_base_finish(sctx->state, out, digest_size);
-}
-
-static inline void sha256_transform_blocks(struct crypto_sha256_state *sst,
- const u8 *input, int blocks)
-{
- sha256_blocks_generic(sst->state, input, blocks);
-}
-
-#endif /* _CRYPTO_SHA256_BASE_H */
--
2.39.5
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