summaryrefslogtreecommitdiff
path: root/arch/arm64/crypto/sm3-ce-glue.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/crypto/sm3-ce-glue.c')
-rw-r--r--arch/arm64/crypto/sm3-ce-glue.c48
1 files changed, 8 insertions, 40 deletions
diff --git a/arch/arm64/crypto/sm3-ce-glue.c b/arch/arm64/crypto/sm3-ce-glue.c
index 1a71788c4cda..eac6f5fa0abe 100644
--- a/arch/arm64/crypto/sm3-ce-glue.c
+++ b/arch/arm64/crypto/sm3-ce-glue.c
@@ -6,14 +6,11 @@
*/
#include <asm/neon.h>
-#include <asm/simd.h>
-#include <linux/unaligned.h>
#include <crypto/internal/hash.h>
-#include <crypto/internal/simd.h>
#include <crypto/sm3.h>
#include <crypto/sm3_base.h>
#include <linux/cpufeature.h>
-#include <linux/crypto.h>
+#include <linux/kernel.h>
#include <linux/module.h>
MODULE_DESCRIPTION("SM3 secure hash using ARMv8 Crypto Extensions");
@@ -26,50 +23,20 @@ asmlinkage void sm3_ce_transform(struct sm3_state *sst, u8 const *src,
static int sm3_ce_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
- if (!crypto_simd_usable()) {
- sm3_update(shash_desc_ctx(desc), data, len);
- return 0;
- }
+ int remain;
kernel_neon_begin();
- sm3_base_do_update(desc, data, len, sm3_ce_transform);
+ remain = sm3_base_do_update_blocks(desc, data, len, sm3_ce_transform);
kernel_neon_end();
-
- return 0;
-}
-
-static int sm3_ce_final(struct shash_desc *desc, u8 *out)
-{
- if (!crypto_simd_usable()) {
- sm3_final(shash_desc_ctx(desc), out);
- return 0;
- }
-
- kernel_neon_begin();
- sm3_base_do_finalize(desc, sm3_ce_transform);
- kernel_neon_end();
-
- return sm3_base_finish(desc, out);
+ return remain;
}
static int sm3_ce_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
- if (!crypto_simd_usable()) {
- struct sm3_state *sctx = shash_desc_ctx(desc);
-
- if (len)
- sm3_update(sctx, data, len);
- sm3_final(sctx, out);
- return 0;
- }
-
kernel_neon_begin();
- if (len)
- sm3_base_do_update(desc, data, len, sm3_ce_transform);
- sm3_base_do_finalize(desc, sm3_ce_transform);
+ sm3_base_do_finup(desc, data, len, sm3_ce_transform);
kernel_neon_end();
-
return sm3_base_finish(desc, out);
}
@@ -77,11 +44,12 @@ static struct shash_alg sm3_alg = {
.digestsize = SM3_DIGEST_SIZE,
.init = sm3_base_init,
.update = sm3_ce_update,
- .final = sm3_ce_final,
.finup = sm3_ce_finup,
- .descsize = sizeof(struct sm3_state),
+ .descsize = SM3_STATE_SIZE,
.base.cra_name = "sm3",
.base.cra_driver_name = "sm3-ce",
+ .base.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY |
+ CRYPTO_AHASH_ALG_FINUP_MAX,
.base.cra_blocksize = SM3_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
.base.cra_priority = 400,