Messages in this thread | | | Subject | Re: [PATCH v4 4/5] crypto: hisilicon/hpre - add 'ECDH' algorithm | From | Stephan Mueller <> | Date | Fri, 11 Dec 2020 15:08:22 +0100 |
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Am Freitag, den 11.12.2020, 14:30 +0800 schrieb Meng Yu: > > +/* size in bytes of the n prime */ > +#define HPRE_ECC_NIST_P128_N_SIZE 16
Do we truly need P-128? Besides, I do not see that curve being defined in contemporary cipher specs.
> +#define HPRE_ECC_NIST_P192_N_SIZE 24 > +#define HPRE_ECC_NIST_P224_N_SIZE 28 > +#define HPRE_ECC_NIST_P256_N_SIZE 32 > +#define HPRE_ECC_NIST_P320_N_SIZE 40
Do we truly need P-320? Besides, I do not see that curve being defined in contemporary cipher specs.
> +#define HPRE_ECC_NIST_P384_N_SIZE 48 > +#define HPRE_ECC_NIST_P521_N_SIZE 66 > + > +/* size in bytes */ > +#define HPRE_ECC_HW256_KSZ_B 32 > +#define HPRE_ECC_HW384_KSZ_B 48 > +#define HPRE_ECC_HW576_KSZ_B 72 > + > +#define HPRE_ECDH_MAX_SZ HPRE_ECC_HW576_KSZ_B]
Ciao Stephan
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