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crypto: sha1_base - Remove partial block helpers

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Now that all sha1_base users have been converted to use the API
partial block handling, remove the partial block helpers.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2025-04-18 10:59:38 +08:00
parent fd00e76ac6
commit a86ee2d740
1 changed files with 0 additions and 61 deletions
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61
include/crypto/sha1_base.h
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@@ -31,44 +31,6 @@ static inline int sha1_base_init(struct shash_desc *desc)
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_update_blocks(struct shash_desc *desc,
const u8 *data,
unsigned int len,
@@ -82,29 +44,6 @@ static inline int sha1_base_do_update_blocks(struct shash_desc *desc,
return remain;
}
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_do_finup(struct shash_desc *desc,
const u8 *src, unsigned int len,
sha1_block_fn *block_fn)