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crypto: riscv/sm3 - Use API partial block handling

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Use the Crypto API partial block handling.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2025-04-18 11:00:52 +08:00
parent 045f17b444
commit 1523eaed0a
1 changed files with 17 additions and 32 deletions
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49
arch/riscv/crypto/sm3-riscv64-glue.c
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@ -13,8 +13,9 @@
#include <asm/vector.h>
#include <crypto/internal/hash.h>
#include <crypto/internal/simd.h>
#include <crypto/sm3.h>
#include <crypto/sm3_base.h>
#include <linux/linkage.h>
#include <linux/kernel.h>
#include <linux/module.h>
/*
@ -24,8 +25,8 @@
asmlinkage void sm3_transform_zvksh_zvkb(
struct sm3_state *state, const u8 *data, int num_blocks);
static int riscv64_sm3_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
static void sm3_block(struct sm3_state *state, const u8 *data,
int num_blocks)
{
/*
* Ensure struct sm3_state begins directly with the SM3
@ -35,52 +36,36 @@ static int riscv64_sm3_update(struct shash_desc *desc, const u8 *data,
if (crypto_simd_usable()) {
kernel_vector_begin();
sm3_base_do_update(desc, data, len, sm3_transform_zvksh_zvkb);
sm3_transform_zvksh_zvkb(state, data, num_blocks);
kernel_vector_end();
} else {
sm3_update(shash_desc_ctx(desc), data, len);
sm3_block_generic(state, data, num_blocks);
}
return 0;
}
static int riscv64_sm3_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
return sm3_base_do_update_blocks(desc, data, len, sm3_block);
}
static int riscv64_sm3_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
struct sm3_state *ctx;
if (crypto_simd_usable()) {
kernel_vector_begin();
if (len)
sm3_base_do_update(desc, data, len,
sm3_transform_zvksh_zvkb);
sm3_base_do_finalize(desc, sm3_transform_zvksh_zvkb);
kernel_vector_end();
return sm3_base_finish(desc, out);
}
ctx = shash_desc_ctx(desc);
if (len)
sm3_update(ctx, data, len);
sm3_final(ctx, out);
return 0;
}
static int riscv64_sm3_final(struct shash_desc *desc, u8 *out)
{
return riscv64_sm3_finup(desc, NULL, 0, out);
sm3_base_do_finup(desc, data, len, sm3_block);
return sm3_base_finish(desc, out);
}
static struct shash_alg riscv64_sm3_alg = {
.init = sm3_base_init,
.update = riscv64_sm3_update,
.final = riscv64_sm3_final,
.finup = riscv64_sm3_finup,
.descsize = sizeof(struct sm3_state),
.descsize = SM3_STATE_SIZE,
.digestsize = SM3_DIGEST_SIZE,
.base = {
.cra_blocksize = SM3_BLOCK_SIZE,
.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY |
CRYPTO_AHASH_ALG_FINUP_MAX,
.cra_priority = 300,
.cra_name = "sm3",
.cra_driver_name = "sm3-riscv64-zvksh-zvkb",