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-rw-r--r--include/crypto/sha1_base.h107
1 files changed, 0 insertions, 107 deletions
diff --git a/include/crypto/sha1_base.h b/include/crypto/sha1_base.h
deleted file mode 100644
index 01b002de..00000000
--- a/include/crypto/sha1_base.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * sha1_base.h - core logic for SHA-1 implementations
- *
- * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <crypto/internal/hash.h>
-#include <crypto/sha.h>
-#include <linux/byteorder.h>
-#include <linux/crypto.h>
-#include <linux/module.h>
-
-#include <asm/unaligned.h>
-
-typedef void (sha1_block_fn)(struct sha1_state *sst, u8 const *src, int blocks);
-
-static inline int sha1_base_init(struct shash_desc *desc)
-{
- struct sha1_state *sctx = shash_desc_ctx(desc);
-
- sctx->state[0] = SHA1_H0;
- sctx->state[1] = SHA1_H1;
- sctx->state[2] = SHA1_H2;
- sctx->state[3] = SHA1_H3;
- sctx->state[4] = SHA1_H4;
- sctx->count = 0;
-
- return 0;
-}
-
-static inline int sha1_base_do_update(struct shash_desc *desc,
- const u8 *data,
- unsigned int len,
- sha1_block_fn *block_fn)
-{
- struct sha1_state *sctx = shash_desc_ctx(desc);
- unsigned int partial = sctx->count % SHA1_BLOCK_SIZE;
-
- sctx->count += len;
-
- if (unlikely((partial + len) >= SHA1_BLOCK_SIZE)) {
- int blocks;
-
- if (partial) {
- int p = SHA1_BLOCK_SIZE - partial;
-
- memcpy(sctx->buffer + partial, data, p);
- data += p;
- len -= p;
-
- block_fn(sctx, sctx->buffer, 1);
- }
-
- blocks = len / SHA1_BLOCK_SIZE;
- len %= SHA1_BLOCK_SIZE;
-
- if (blocks) {
- block_fn(sctx, data, blocks);
- data += blocks * SHA1_BLOCK_SIZE;
- }
- partial = 0;
- }
- if (len)
- memcpy(sctx->buffer + partial, data, len);
-
- return 0;
-}
-
-static inline int sha1_base_do_finalize(struct shash_desc *desc,
- sha1_block_fn *block_fn)
-{
- const int bit_offset = SHA1_BLOCK_SIZE - sizeof(__be64);
- struct sha1_state *sctx = shash_desc_ctx(desc);
- __be64 *bits = (__be64 *)(sctx->buffer + bit_offset);
- unsigned int partial = sctx->count % SHA1_BLOCK_SIZE;
-
- sctx->buffer[partial++] = 0x80;
- if (partial > bit_offset) {
- memset(sctx->buffer + partial, 0x0, SHA1_BLOCK_SIZE - partial);
- partial = 0;
-
- block_fn(sctx, sctx->buffer, 1);
- }
-
- memset(sctx->buffer + partial, 0x0, bit_offset - partial);
- *bits = cpu_to_be64(sctx->count << 3);
- block_fn(sctx, sctx->buffer, 1);
-
- return 0;
-}
-
-static inline int sha1_base_finish(struct shash_desc *desc, u8 *out)
-{
- struct sha1_state *sctx = shash_desc_ctx(desc);
- __be32 *digest = (__be32 *)out;
- int i;
-
- for (i = 0; i < SHA1_DIGEST_SIZE / sizeof(__be32); i++)
- put_unaligned_be32(sctx->state[i], digest++);
-
- *sctx = (struct sha1_state){};
- return 0;
-}