From: Lawrence Hunter <lawrence.hunter@codethink.co.uk>
To: qemu-devel@nongnu.org
Cc: dickon.hood@codethink.co.uk, nazar.kazakov@codethink.co.uk,
kiran.ostrolenk@codethink.co.uk, frank.chang@sifive.com,
palmer@dabbelt.com, alistair.francis@wdc.com,
bin.meng@windriver.com, pbonzini@redhat.com,
philipp.tomsich@vrull.eu, kvm@vger.kernel.org,
qemu-riscv@nongnu.org, richard.henderson@linaro.org,
Max Chou <max.chou@sifive.com>
Subject: [PATCH v3 16/19] crypto: Create sm4_subword
Date: Fri, 28 Apr 2023 15:47:54 +0100 [thread overview]
Message-ID: <20230428144757.57530-17-lawrence.hunter@codethink.co.uk> (raw)
In-Reply-To: <20230428144757.57530-1-lawrence.hunter@codethink.co.uk>
From: Max Chou <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>
---
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 9bd3ebc62e8..de8245d8a71 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 d28690321f0..58e6c4f779c 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);
}
--
2.40.1
next prev parent reply other threads:[~2023-04-28 14:50 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-28 14:47 [PATCH v3 00/19] Add RISC-V vector cryptographic instruction set support Lawrence Hunter
2023-04-28 14:47 ` [PATCH v3 01/19] target/riscv: Refactor some of the generic vector functionality Lawrence Hunter
2023-04-29 1:29 ` Weiwei Li
2023-04-28 14:47 ` [PATCH v3 02/19] target/riscv: Refactor vector-vector translation macro Lawrence Hunter
2023-04-29 1:31 ` Weiwei Li
2023-04-28 14:47 ` [PATCH v3 03/19] target/riscv: Remove redundant "cpu_vl == 0" checks Lawrence Hunter
2023-04-29 2:36 ` Weiwei Li
2023-04-28 14:47 ` [PATCH v3 04/19] target/riscv: Add Zvbc ISA extension support Lawrence Hunter
2023-04-29 2:58 ` Weiwei Li
2023-04-28 14:47 ` [PATCH v3 05/19] target/riscv: Move vector translation checks Lawrence Hunter
2023-04-29 3:04 ` Weiwei Li
2023-04-28 14:47 ` [PATCH v3 06/19] target/riscv: Refactor translation of vector-widening instruction Lawrence Hunter
2023-04-29 3:06 ` Weiwei Li
2023-04-28 14:47 ` [PATCH v3 07/19] target/riscv: Refactor some of the generic vector functionality Lawrence Hunter
2023-04-29 3:10 ` Weiwei Li
2023-04-28 14:47 ` [PATCH v3 08/19] qemu/bitops.h: Limit rotate amounts Lawrence Hunter
2023-05-01 19:56 ` Richard Henderson
2023-05-02 20:11 ` Richard Henderson
2023-04-28 14:47 ` [PATCH v3 09/19] tcg: Add andcs and rotrs tcg gvec ops Lawrence Hunter
2023-05-01 20:20 ` Richard Henderson
2023-04-28 14:47 ` [PATCH v3 10/19] qemu/host-utils.h: Add clz and ctz functions for lower-bit integers Lawrence Hunter
2023-05-01 19:56 ` Richard Henderson
2023-04-28 14:47 ` [PATCH v3 11/19] target/riscv: Add Zvbb ISA extension support Lawrence Hunter
2023-04-29 3:15 ` Weiwei Li
2023-04-28 14:47 ` [PATCH v3 12/19] target/riscv: Add Zvkned " Lawrence Hunter
2023-04-28 14:47 ` [PATCH v3 13/19] target/riscv: Add Zvknh " Lawrence Hunter
2023-04-28 14:47 ` [PATCH v3 14/19] target/riscv: Add Zvksh " Lawrence Hunter
2023-04-28 14:47 ` [PATCH v3 15/19] target/riscv: Add Zvkg " Lawrence Hunter
2023-04-28 14:47 ` Lawrence Hunter [this message]
2023-04-28 14:47 ` [PATCH v3 17/19] crypto: Add SM4 constant parameter CK Lawrence Hunter
2023-04-28 14:47 ` [PATCH v3 18/19] target/riscv: Add Zvksed ISA extension support Lawrence Hunter
2023-04-28 14:47 ` [PATCH v3 19/19] target/riscv: Expose Zvk* and Zvb[b, c] cpu properties Lawrence Hunter
2023-04-29 3:21 ` Weiwei Li
2023-06-16 9:21 ` [PATCH v3 00/19] Add RISC-V vector cryptographic instruction set support Daniel Henrique Barboza
2023-06-16 15:03 ` Max Chou
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230428144757.57530-17-lawrence.hunter@codethink.co.uk \
--to=lawrence.hunter@codethink.co.uk \
--cc=alistair.francis@wdc.com \
--cc=bin.meng@windriver.com \
--cc=dickon.hood@codethink.co.uk \
--cc=frank.chang@sifive.com \
--cc=kiran.ostrolenk@codethink.co.uk \
--cc=kvm@vger.kernel.org \
--cc=max.chou@sifive.com \
--cc=nazar.kazakov@codethink.co.uk \
--cc=palmer@dabbelt.com \
--cc=pbonzini@redhat.com \
--cc=philipp.tomsich@vrull.eu \
--cc=qemu-devel@nongnu.org \
--cc=qemu-riscv@nongnu.org \
--cc=richard.henderson@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).