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From: Richard Henderson <richard.henderson@linaro.org>
To: liweiwei <liweiwei@iscas.ac.cn>,
	palmer@dabbelt.com, alistair.francis@wdc.com,
	bin.meng@windriver.com, qemu-riscv@nongnu.org,
	qemu-devel@nongnu.org
Cc: wangjunqiang@iscas.ac.cn, lazyparser@gmail.com,
	luruibo2000@163.com, lustrew@foxmail.com
Subject: Re: [RFC 4/6] target/riscv: rvk: add implementation of instructions for Zk*
Date: Tue, 2 Nov 2021 14:56:02 -0400	[thread overview]
Message-ID: <345c3fc7-72f9-a5b8-1545-fe7835ed8905@linaro.org> (raw)
In-Reply-To: <20211102031128.17296-5-liweiwei@iscas.ac.cn>

On 11/1/21 11:11 PM, liweiwei wrote:
> +uint8_t AES_ENC_SBOX[] = {
> +  0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
> +  0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
> +  0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
> +  0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,

Use "crypto/aes.h".


> +/* SM4 forward SBox. SM4 has no inverse sbox. */
> +static const uint8_t sm4_sbox[256] = {
> +    0xD6, 0x90, 0xE9, 0xFE, 0xCC, 0xE1, 0x3D, 0xB7, 0x16, 0xB6, 0x14, 0xC2,
> +    0x28, 0xFB, 0x2C, 0x05, 0x2B, 0x67, 0x9A, 0x76, 0x2A, 0xBE, 0x04, 0xC3,
> +    0xAA, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99, 0x9C, 0x42, 0x50, 0xF4,

Hmm.  We have an existing copy of this in target/arm/crypto_helper.c.  I think we should 
move that code out to a shared location like aes.

> +#define sext_xlen(x) (((int64_t)(x) << (XLEN - 32)) >> (XLEN  - 32))

This is (target_ulong)(int32_t)(x).


r~


WARNING: multiple messages have this Message-ID (diff)
From: Richard Henderson <richard.henderson@linaro.org>
To: liweiwei <liweiwei@iscas.ac.cn>,
	palmer@dabbelt.com, alistair.francis@wdc.com,
	bin.meng@windriver.com, qemu-riscv@nongnu.org,
	qemu-devel@nongnu.org
Cc: wangjunqiang@iscas.ac.cn, lazyparser@gmail.com,
	lustrew@foxmail.com, luruibo2000@163.com
Subject: Re: [RFC 4/6] target/riscv: rvk: add implementation of instructions for Zk*
Date: Tue, 2 Nov 2021 14:56:02 -0400	[thread overview]
Message-ID: <345c3fc7-72f9-a5b8-1545-fe7835ed8905@linaro.org> (raw)
In-Reply-To: <20211102031128.17296-5-liweiwei@iscas.ac.cn>

On 11/1/21 11:11 PM, liweiwei wrote:
> +uint8_t AES_ENC_SBOX[] = {
> +  0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
> +  0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
> +  0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
> +  0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,

Use "crypto/aes.h".


> +/* SM4 forward SBox. SM4 has no inverse sbox. */
> +static const uint8_t sm4_sbox[256] = {
> +    0xD6, 0x90, 0xE9, 0xFE, 0xCC, 0xE1, 0x3D, 0xB7, 0x16, 0xB6, 0x14, 0xC2,
> +    0x28, 0xFB, 0x2C, 0x05, 0x2B, 0x67, 0x9A, 0x76, 0x2A, 0xBE, 0x04, 0xC3,
> +    0xAA, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99, 0x9C, 0x42, 0x50, 0xF4,

Hmm.  We have an existing copy of this in target/arm/crypto_helper.c.  I think we should 
move that code out to a shared location like aes.

> +#define sext_xlen(x) (((int64_t)(x) << (XLEN - 32)) >> (XLEN  - 32))

This is (target_ulong)(int32_t)(x).


r~


  reply	other threads:[~2021-11-02 18:56 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-02  3:11 [RFC 0/6] support subsets of scalar crypto extension liweiwei
2021-11-02  3:11 ` liweiwei
2021-11-02  3:11 ` [RFC 1/6] target/riscv: rvk: add flag support for Zbk[bcx] liweiwei
2021-11-02  3:11   ` liweiwei
2021-11-02 14:18   ` Richard Henderson
2021-11-02 14:18     ` Richard Henderson
2021-11-02 15:00     ` liweiwei
2021-11-02 15:00       ` liweiwei
2021-11-02  3:11 ` [RFC 2/6] target/riscv: rvk: add implementation of instructions for Zbk* - reuse partial instructions of Zbb/Zbc extensions - add brev8 packh, unzip, zip, etc liweiwei
2021-11-02  3:11   ` liweiwei
2021-11-02 15:44   ` Richard Henderson
2021-11-02 15:44     ` Richard Henderson
2021-11-03  0:56     ` liweiwei
2021-11-03  0:56       ` liweiwei
2021-11-02  3:11 ` [RFC 3/6] target/riscv: rvk: add flag support for Zk/Zkn/Zknd/Zknd/Zkne/Zknh/Zks/Zksed/Zksh/Zkr liweiwei
2021-11-02  3:11   ` liweiwei
2021-11-02 17:56   ` Richard Henderson
2021-11-02 17:56     ` Richard Henderson
2021-11-03  1:06     ` liweiwei
2021-11-03  1:06       ` liweiwei
2021-11-03  1:21       ` Richard Henderson
2021-11-03  1:21         ` Richard Henderson
2021-11-03  7:22         ` liweiwei
2021-11-03  7:22           ` liweiwei
2021-11-02  3:11 ` [RFC 4/6] target/riscv: rvk: add implementation of instructions for Zk* liweiwei
2021-11-02  3:11   ` liweiwei
2021-11-02 18:56   ` Richard Henderson [this message]
2021-11-02 18:56     ` Richard Henderson
2021-11-03  1:08     ` liweiwei
2021-11-03  1:08       ` liweiwei
2021-11-02  3:11 ` [RFC 5/6] target/riscv: rvk: add CSR support for Zkr: - add SEED CSR - add USEED, SSEED fields for MSECCFG CSR liweiwei
2021-11-02  3:11   ` liweiwei
2021-11-02  3:11 ` [RFC 6/6] disas/riscv.c: rvk: add disas support for Zbk* and Zk* instructions liweiwei
2021-11-02  3:11   ` liweiwei

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