[PATCH] lib/crypto: Remove unused file blockhash.h

[Eric Biggers]

For a short time this file was used by the SHA-256 and Poly1305 library
code, but they are no longer using it.  Remove this unused file.

Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
---

This patch is targeting libcrypto-next

 include/crypto/internal/blockhash.h | 52 -----------------------------
 1 file changed, 52 deletions(-)
 delete mode 100644 include/crypto/internal/blockhash.h

diff --git a/include/crypto/internal/blockhash.h b/include/crypto/internal/blockhash.h
deleted file mode 100644
index 52d9d4c82493d..0000000000000
--- a/include/crypto/internal/blockhash.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Handle partial blocks for block hash.
- *
- * Copyright (c) 2015 Linaro Ltd <ard.biesheuvel@xxxxxxxxxx>
- * Copyright (c) 2025 Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
- */
-
-#ifndef _CRYPTO_INTERNAL_BLOCKHASH_H
-#define _CRYPTO_INTERNAL_BLOCKHASH_H
-
-#include <linux/string.h>
-#include <linux/types.h>
-
-#define BLOCK_HASH_UPDATE_BASE(block_fn, state, src, nbytes, bs, dv,	\
-			       buf, buflen)				\
-	({								\
-		typeof(block_fn) *_block_fn = &(block_fn);		\
-		typeof(state + 0) _state = (state);			\
-		unsigned int _buflen = (buflen);			\
-		size_t _nbytes = (nbytes);				\
-		unsigned int _bs = (bs);				\
-		const u8 *_src = (src);					\
-		u8 *_buf = (buf);					\
-		while ((_buflen + _nbytes) >= _bs) {			\
-			const u8 *data = _src;				\
-			size_t len = _nbytes;				\
-			size_t blocks;					\
-			int remain;					\
-			if (_buflen) {					\
-				remain = _bs - _buflen;			\
-				memcpy(_buf + _buflen, _src, remain);	\
-				data = _buf;				\
-				len = _bs;				\
-			}						\
-			remain = len % bs;				\
-			blocks = (len - remain) / (dv);			\
-			(*_block_fn)(_state, data, blocks);		\
-			_src += len - remain - _buflen;			\
-			_nbytes -= len - remain - _buflen;		\
-			_buflen = 0;					\
-		}							\
-		memcpy(_buf + _buflen, _src, _nbytes);			\
-		_buflen += _nbytes;					\
-	})
-
-#define BLOCK_HASH_UPDATE(block, state, src, nbytes, bs, buf, buflen) \
-	BLOCK_HASH_UPDATE_BASE(block, state, src, nbytes, bs, 1, buf, buflen)
-#define BLOCK_HASH_UPDATE_BLOCKS(block, state, src, nbytes, bs, buf, buflen) \
-	BLOCK_HASH_UPDATE_BASE(block, state, src, nbytes, bs, bs, buf, buflen)
-
-#endif	/* _CRYPTO_INTERNAL_BLOCKHASH_H */

base-commit: ce260754bb435aea18e6a1a1ce3759249013f5a4
-- 
2.53.0