Commit aef0517d authored by Mike Belopuhov's avatar Mike Belopuhov
Browse files

Expose EC_POINT_dup as EcPoint::to_owned

parent 39e692fa

openssl-sys/src/ec.rs

+5 −0
Original line number Diff line number Diff line
@@ -82,6 +82,11 @@ extern "C" { 


    pub fn EC_POINT_free(point: *mut EC_POINT);



    pub fn EC_POINT_dup(

        p: *const EC_POINT,

        group: *const EC_GROUP,

    ) -> *mut EC_POINT;



    pub fn EC_POINT_get_affine_coordinates_GFp(

        group: *const EC_GROUP,

        p: *const EC_POINT,

openssl/src/ec.rs

+24 −0
Original line number Diff line number Diff line
@@ -446,6 +446,20 @@ impl EcPointRef { 
        }

    }



    /// Creates a new point on the specified curve with the same value.

    ///

    /// OpenSSL documentation at [`EC_POINT_dup`]

    ///

    /// [`EC_POINT_dup`]: https://www.openssl.org/docs/man1.1.0/crypto/EC_POINT_dup.html

    pub fn to_owned(

        &self,

        group: &EcGroupRef,

    ) -> Result<EcPoint, ErrorStack> {

        unsafe {

            cvt_p(ffi::EC_POINT_dup(self.as_ptr(), group.as_ptr())).map(EcPoint)

        }

    }



    /// Determines if this point is equal to another.

    ///

    /// OpenSSL doucmentation at [`EC_POINT_cmp`]
@@ -919,6 +933,16 @@ mod test { 
        assert!(point.eq(&group, &point2, &mut ctx).unwrap());

    }



    #[test]

    fn point_owned() {

        let group = EcGroup::from_curve_name(Nid::X9_62_PRIME256V1).unwrap();

        let key = EcKey::generate(&group).unwrap();

        let point = key.public_key();

        let owned = point.to_owned(&group).unwrap();

        let mut ctx = BigNumContext::new().unwrap();

        assert!(owned.eq(&group, point, &mut ctx).unwrap());

    }



    #[test]

    fn mul_generator() {

        let group = EcGroup::from_curve_name(Nid::X9_62_PRIME256V1).unwrap();