On Tue, Jul 11, 2023 at 1:01 PM Max Chou <max.c...@sifive.com> wrote:
>
> Adds sm4_ck constant for use in sm4 cryptography across different targets.
>
> Signed-off-by: Max Chou <max.c...@sifive.com>
> Reviewed-by: Frank Chang <frank.ch...@sifive.com>
> Signed-off-by: Max Chou <max.c...@sifive.com>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Alistair
> ---
> crypto/sm4.c | 10 ++++++++++
> include/crypto/sm4.h | 1 +
> 2 files changed, 11 insertions(+)
>
> diff --git a/crypto/sm4.c b/crypto/sm4.c
> index 9f0cd452c78..2987306cf7a 100644
> --- a/crypto/sm4.c
> +++ b/crypto/sm4.c
> @@ -47,3 +47,13 @@ uint8_t const sm4_sbox[] = {
> 0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, 0x48,
> };
>
> +uint32_t const sm4_ck[] = {
> + 0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269,
> + 0x70777e85, 0x8c939aa1, 0xa8afb6bd, 0xc4cbd2d9,
> + 0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,
> + 0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9,
> + 0xc0c7ced5, 0xdce3eaf1, 0xf8ff060d, 0x141b2229,
> + 0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,
> + 0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209,
> + 0x10171e25, 0x2c333a41, 0x484f565d, 0x646b7279
> +};
> diff --git a/include/crypto/sm4.h b/include/crypto/sm4.h
> index de8245d8a71..382b26d9224 100644
> --- a/include/crypto/sm4.h
> +++ b/include/crypto/sm4.h
> @@ -2,6 +2,7 @@
> #define QEMU_SM4_H
>
> extern const uint8_t sm4_sbox[256];
> +extern const uint32_t sm4_ck[32];
>
> static inline uint32_t sm4_subword(uint32_t word)
> {
> --
> 2.34.1
>
