solana_curve25519/
scalar.rs

1pub use bytemuck_derive::{Pod, Zeroable};
2
3#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Pod, Zeroable)]
4#[repr(transparent)]
5pub struct PodScalar(pub [u8; 32]);
6
7#[cfg(not(target_os = "solana"))]
8mod target_arch {
9    use {super::*, crate::errors::Curve25519Error, curve25519_dalek::scalar::Scalar};
10
11    impl From<&Scalar> for PodScalar {
12        fn from(scalar: &Scalar) -> Self {
13            Self(scalar.to_bytes())
14        }
15    }
16
17    impl TryFrom<&PodScalar> for Scalar {
18        type Error = Curve25519Error;
19
20        fn try_from(pod: &PodScalar) -> Result<Self, Self::Error> {
21            Scalar::from_canonical_bytes(pod.0)
22                .into_option()
23                .ok_or(Curve25519Error::PodConversion)
24        }
25    }
26
27    impl From<Scalar> for PodScalar {
28        fn from(scalar: Scalar) -> Self {
29            Self(scalar.to_bytes())
30        }
31    }
32
33    impl TryFrom<PodScalar> for Scalar {
34        type Error = Curve25519Error;
35
36        fn try_from(pod: PodScalar) -> Result<Self, Self::Error> {
37            Scalar::from_canonical_bytes(pod.0)
38                .into_option()
39                .ok_or(Curve25519Error::PodConversion)
40        }
41    }
42}
solana_curve25519/scalar.rs

solana_curve25519/
scalar.rs
