From: Max Chou <max.chou@sifive.com>
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: dbarboza@ventanamicro.com, "Max Chou" <max.chou@sifive.com>,
"Frank Chang" <frank.chang@sifive.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Daniel P. Berrangé" <berrange@redhat.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
qemu-arm@nongnu.org
Subject: [PATCH v4 14/17] crypto: Create sm4_subword
Date: Fri, 23 Jun 2023 00:16:30 +0800 [thread overview]
Message-ID: <20230622161646.32005-15-max.chou@sifive.com> (raw)
In-Reply-To: <20230622161646.32005-1-max.chou@sifive.com>
Allows sharing of sm4_subword between different targets.
Signed-off-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Max Chou <max.chou@sifive.com>
---
include/crypto/sm4.h | 8 ++++++++
target/arm/tcg/crypto_helper.c | 10 ++--------
2 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/include/crypto/sm4.h b/include/crypto/sm4.h
index 9bd3ebc62e..de8245d8a7 100644
--- a/include/crypto/sm4.h
+++ b/include/crypto/sm4.h
@@ -3,4 +3,12 @@
extern const uint8_t sm4_sbox[256];
+static inline uint32_t sm4_subword(uint32_t word)
+{
+ return sm4_sbox[word & 0xff] |
+ sm4_sbox[(word >> 8) & 0xff] << 8 |
+ sm4_sbox[(word >> 16) & 0xff] << 16 |
+ sm4_sbox[(word >> 24) & 0xff] << 24;
+}
+
#endif
diff --git a/target/arm/tcg/crypto_helper.c b/target/arm/tcg/crypto_helper.c
index d28690321f..58e6c4f779 100644
--- a/target/arm/tcg/crypto_helper.c
+++ b/target/arm/tcg/crypto_helper.c
@@ -707,10 +707,7 @@ static void do_crypto_sm4e(uint64_t *rd, uint64_t *rn, uint64_t *rm)
CR_ST_WORD(d, (i + 3) % 4) ^
CR_ST_WORD(n, i);
- t = sm4_sbox[t & 0xff] |
- sm4_sbox[(t >> 8) & 0xff] << 8 |
- sm4_sbox[(t >> 16) & 0xff] << 16 |
- sm4_sbox[(t >> 24) & 0xff] << 24;
+ t = sm4_subword(t);
CR_ST_WORD(d, i) ^= t ^ rol32(t, 2) ^ rol32(t, 10) ^ rol32(t, 18) ^
rol32(t, 24);
@@ -744,10 +741,7 @@ static void do_crypto_sm4ekey(uint64_t *rd, uint64_t *rn, uint64_t *rm)
CR_ST_WORD(d, (i + 3) % 4) ^
CR_ST_WORD(m, i);
- t = sm4_sbox[t & 0xff] |
- sm4_sbox[(t >> 8) & 0xff] << 8 |
- sm4_sbox[(t >> 16) & 0xff] << 16 |
- sm4_sbox[(t >> 24) & 0xff] << 24;
+ t = sm4_subword(t);
CR_ST_WORD(d, i) ^= t ^ rol32(t, 13) ^ rol32(t, 23);
}
--
2.31.1
next prev parent reply other threads:[~2023-06-22 16:21 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-22 16:16 [PATCH v4 00/17] Add RISC-V vector cryptographic instruction set support Max Chou
2023-06-22 16:16 ` [PATCH v4 01/17] target/riscv: Refactor some of the generic vector functionality Max Chou
2023-06-22 16:16 ` [PATCH v4 02/17] target/riscv: Refactor vector-vector translation macro Max Chou
2023-06-22 16:16 ` [PATCH v4 03/17] target/riscv: Remove redundant "cpu_vl == 0" checks Max Chou
2023-06-22 16:16 ` [PATCH v4 04/17] target/riscv: Add Zvbc ISA extension support Max Chou
2023-06-22 16:16 ` [PATCH v4 05/17] target/riscv: Move vector translation checks Max Chou
2023-06-22 16:16 ` [PATCH v4 06/17] target/riscv: Refactor translation of vector-widening instruction Max Chou
2023-06-22 16:16 ` [PATCH v4 07/17] target/riscv: Refactor some of the generic vector functionality Max Chou
2023-06-22 16:16 ` [PATCH v4 08/17] tcg: Fix temporary variable in tcg_gen_gvec_andcs Max Chou
2023-06-22 17:30 ` Daniel Henrique Barboza
2023-06-23 6:51 ` Richard Henderson
2023-06-22 16:16 ` [PATCH v4 09/17] target/riscv: Add Zvbb ISA extension support Max Chou
2023-06-22 17:48 ` Daniel Henrique Barboza
2023-06-22 16:16 ` [PATCH v4 10/17] target/riscv: Add Zvkned " Max Chou
2023-06-22 18:03 ` Daniel Henrique Barboza
2023-06-23 7:33 ` Richard Henderson
2023-06-26 8:02 ` Max Chou
2023-06-22 16:16 ` [PATCH v4 11/17] target/riscv: Add Zvknh " Max Chou
2023-06-22 18:06 ` Daniel Henrique Barboza
2023-06-22 16:16 ` [PATCH v4 12/17] target/riscv: Add Zvksh " Max Chou
2023-06-22 18:09 ` Daniel Henrique Barboza
2023-06-22 16:16 ` [PATCH v4 13/17] target/riscv: Add Zvkg " Max Chou
2023-06-22 18:10 ` Daniel Henrique Barboza
2023-06-22 16:16 ` Max Chou [this message]
2023-06-22 16:16 ` [PATCH v4 15/17] crypto: Add SM4 constant parameter CK Max Chou
2023-06-22 16:16 ` [PATCH v4 16/17] target/riscv: Add Zvksed ISA extension support Max Chou
2023-06-22 16:16 ` [PATCH v4 17/17] target/riscv: Expose Zvk* and Zvb[b, c] cpu properties Max Chou via
2023-06-22 17:41 ` [PATCH v4 17/17] target/riscv: Expose Zvk* and Zvb[b,c] " Daniel Henrique Barboza
2023-06-26 8:08 ` Max Chou
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