[PATCH v2 17/17] crypto: sha512 - remove sha512_base.h

[Eric Biggers <ebiggers@kernel.org>]

From: Eric Biggers <ebiggers@google.com>

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

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 include/crypto/sha512_base.h | 117 -----------------------------------
 1 file changed, 117 deletions(-)
 delete mode 100644 include/crypto/sha512_base.h

diff --git a/include/crypto/sha512_base.h b/include/crypto/sha512_base.h
deleted file mode 100644
index d1361b3eb70b0..0000000000000
--- 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 */
-- 
2.49.0