crypto: sha512 - Remove sha512_base.h

sha512_base.h is no longer used, so remove it.

Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250630160320.2888-17-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

diff --git a/include/crypto/sha512_base.h b/include/crypto/sha512_base.h
deleted file mode 100644 (file)
index d1361b3..0000000
--- a/include/crypto/sha512_base.h
+++ /dev/null
@@ -1,117 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * sha512_base.h - core logic for SHA-512 implementations
- *
- * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org>
- */
-
-#ifndef _CRYPTO_SHA512_BASE_H
-#define _CRYPTO_SHA512_BASE_H
-
-#include <crypto/internal/hash.h>
-#include <crypto/sha2.h>
-#include <linux/compiler.h>
-#include <linux/math.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/unaligned.h>
-
-typedef void (sha512_block_fn)(struct sha512_state *sst, u8 const *src,
-                              int blocks);
-
-static inline int sha384_base_init(struct shash_desc *desc)
-{
-       struct sha512_state *sctx = shash_desc_ctx(desc);
-
-       sctx->state[0] = SHA384_H0;
-       sctx->state[1] = SHA384_H1;
-       sctx->state[2] = SHA384_H2;
-       sctx->state[3] = SHA384_H3;
-       sctx->state[4] = SHA384_H4;
-       sctx->state[5] = SHA384_H5;
-       sctx->state[6] = SHA384_H6;
-       sctx->state[7] = SHA384_H7;
-       sctx->count[0] = sctx->count[1] = 0;
-
-       return 0;
-}
-
-static inline int sha512_base_init(struct shash_desc *desc)
-{
-       struct sha512_state *sctx = shash_desc_ctx(desc);
-
-       sctx->state[0] = SHA512_H0;
-       sctx->state[1] = SHA512_H1;
-       sctx->state[2] = SHA512_H2;
-       sctx->state[3] = SHA512_H3;
-       sctx->state[4] = SHA512_H4;
-       sctx->state[5] = SHA512_H5;
-       sctx->state[6] = SHA512_H6;
-       sctx->state[7] = SHA512_H7;
-       sctx->count[0] = sctx->count[1] = 0;
-
-       return 0;
-}
-
-static inline int sha512_base_do_update_blocks(struct shash_desc *desc,
-                                              const u8 *data,
-                                              unsigned int len,
-                                              sha512_block_fn *block_fn)
-{
-       unsigned int remain = len - round_down(len, SHA512_BLOCK_SIZE);
-       struct sha512_state *sctx = shash_desc_ctx(desc);
-
-       len -= remain;
-       sctx->count[0] += len;
-       if (sctx->count[0] < len)
-               sctx->count[1]++;
-       block_fn(sctx, data, len / SHA512_BLOCK_SIZE);
-       return remain;
-}
-
-static inline int sha512_base_do_finup(struct shash_desc *desc, const u8 *src,
-                                      unsigned int len,
-                                      sha512_block_fn *block_fn)
-{
-       unsigned int bit_offset = SHA512_BLOCK_SIZE / 8 - 2;
-       struct sha512_state *sctx = shash_desc_ctx(desc);
-       union {
-               __be64 b64[SHA512_BLOCK_SIZE / 4];
-               u8 u8[SHA512_BLOCK_SIZE * 2];
-       } block = {};
-
-       if (len >= SHA512_BLOCK_SIZE) {
-               int remain;
-
-               remain = sha512_base_do_update_blocks(desc, src, len, block_fn);
-               src += len - remain;
-               len = remain;
-       }
-
-       if (len >= bit_offset * 8)
-               bit_offset += SHA512_BLOCK_SIZE / 8;
-       memcpy(&block, src, len);
-       block.u8[len] = 0x80;
-       sctx->count[0] += len;
-       block.b64[bit_offset] = cpu_to_be64(sctx->count[1] << 3 |
-                                           sctx->count[0] >> 61);
-       block.b64[bit_offset + 1] = cpu_to_be64(sctx->count[0] << 3);
-       block_fn(sctx, block.u8, (bit_offset + 2) * 8 / SHA512_BLOCK_SIZE);
-       memzero_explicit(&block, sizeof(block));
-
-       return 0;
-}
-
-static inline int sha512_base_finish(struct shash_desc *desc, u8 *out)
-{
-       unsigned int digest_size = crypto_shash_digestsize(desc->tfm);
-       struct sha512_state *sctx = shash_desc_ctx(desc);
-       __be64 *digest = (__be64 *)out;
-       int i;
-
-       for (i = 0; digest_size > 0; i++, digest_size -= sizeof(__be64))
-               put_unaligned_be64(sctx->state[i], digest++);
-       return 0;
-}
-
-#endif /* _CRYPTO_SHA512_BASE_H */