If curve->nbits is set then return this number, otherwise use the curve->ndigits to calculate the number of bits. Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx> --- include/crypto/internal/ecc.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/crypto/internal/ecc.h b/include/crypto/internal/ecc.h index b8ca5023b3b5..2d321b47d0f7 100644 --- a/include/crypto/internal/ecc.h +++ b/include/crypto/internal/ecc.h @@ -75,6 +75,17 @@ static inline void ecc_digits_from_bytes(const u8 *in, unsigned int nbytes, ecc_swap_digits(tmp, out, ndigits); } +/** + * ecc_curve_get_nbits() - Get the number of bits of the curve + * @curve: The curve + */ +static inline unsigned int ecc_curve_get_nbits(const struct ecc_curve *curve) +{ + if (curve->nbits) + return curve->nbits; + return curve->g.ndigits << ECC_DIGITS_TO_BYTES_SHIFT * 8; +} + /** * ecc_is_key_valid() - Validate a given ECDH private key * -- 2.43.0