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| -rw-r--r-- | include/crypto/internal/blockhash.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/include/crypto/internal/blockhash.h b/include/crypto/internal/blockhash.h deleted file mode 100644 index 52d9d4c82493..000000000000 --- 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@linaro.org> - * Copyright (c) 2025 Herbert Xu <herbert@gondor.apana.org.au> - */ - -#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 */ |