crypto: arm64/sm3-ce - make dependent on sm3 library

SM3 generic library is stand-alone implementation, sm3-ce can depend
on the SM3 library instead of sm3-generic.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index addfa41..2a965aa 100644 (file)
--- a/arch/arm64/crypto/Kconfig
+++ b/arch/arm64/crypto/Kconfig
@@ -45,7 +45,7 @@ config CRYPTO_SM3_ARM64_CE
        tristate "SM3 digest algorithm (ARMv8.2 Crypto Extensions)"
        depends on KERNEL_MODE_NEON
        select CRYPTO_HASH
-       select CRYPTO_SM3
+       select CRYPTO_LIB_SM3
 
 config CRYPTO_SM4_ARM64_CE
        tristate "SM4 symmetric cipher (ARMv8.2 Crypto Extensions)"

diff --git a/arch/arm64/crypto/sm3-ce-glue.c b/arch/arm64/crypto/sm3-ce-glue.c
index d71faca..ee98954 100644 (file)
--- a/arch/arm64/crypto/sm3-ce-glue.c
+++ b/arch/arm64/crypto/sm3-ce-glue.c
@@ -26,8 +26,10 @@ 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())
-               return crypto_sm3_update(desc, data, len);
+       if (!crypto_simd_usable()) {
+               sm3_update(shash_desc_ctx(desc), data, len);
+               return 0;
+       }
 
        kernel_neon_begin();
        sm3_base_do_update(desc, data, len, sm3_ce_transform);
@@ -38,8 +40,10 @@ static int sm3_ce_update(struct shash_desc *desc, const u8 *data,
 
 static int sm3_ce_final(struct shash_desc *desc, u8 *out)
 {
-       if (!crypto_simd_usable())
-               return crypto_sm3_finup(desc, NULL, 0, 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);
@@ -51,14 +55,22 @@ static int sm3_ce_final(struct shash_desc *desc, u8 *out)
 static int sm3_ce_finup(struct shash_desc *desc, const u8 *data,
                        unsigned int len, u8 *out)
 {
-       if (!crypto_simd_usable())
-               return crypto_sm3_finup(desc, data, len, 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();
-       sm3_base_do_update(desc, data, len, sm3_ce_transform);
+       if (len)
+               sm3_base_do_update(desc, data, len, sm3_ce_transform);
+       sm3_base_do_finalize(desc, sm3_ce_transform);
        kernel_neon_end();
 
-       return sm3_ce_final(desc, out);
+       return sm3_base_finish(desc, out);
 }
 
 static struct shash_alg sm3_alg = {