[PATCH 2/6] crypto: arm64/sm3-ce - make dependent on sm3 library
From: Tianjia Zhang <hidden>
Date: 2021-12-20 08:23:07
Also in:
linux-crypto, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
SM3 generic library is stand-alone implementation, sm3-ce can depend on the SM3 library instead of sm3-generic. Signed-off-by: Tianjia Zhang <redacted> --- arch/arm64/crypto/Kconfig | 2 +- arch/arm64/crypto/sm3-ce-glue.c | 20 ++++++++++++++------ 2 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index addfa413650b..2a965aa0188d 100644
--- 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 d71faca322f2..3198f31c9446 100644
--- a/arch/arm64/crypto/sm3-ce-glue.c
+++ b/arch/arm64/crypto/sm3-ce-glue.c@@ -27,7 +27,7 @@ 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); + return sm3_update(shash_desc_ctx(desc), data, len); kernel_neon_begin(); sm3_base_do_update(desc, data, len, sm3_ce_transform);
@@ -39,7 +39,7 @@ 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); + return sm3_final(shash_desc_ctx(desc), out); kernel_neon_begin(); sm3_base_do_finalize(desc, sm3_ce_transform);
@@ -51,14 +51,22 @@ 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 = {
--
2.32.0
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel