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21 lines
593 B
21 lines
593 B
use crate::bitcoin::Scalar;
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use ecdsa_fun::fun::marker::{Mark, NonZero, Secret};
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pub trait ScalarExt {
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fn to_secpfun_scalar(&self) -> ecdsa_fun::fun::Scalar;
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}
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impl ScalarExt for crate::monero::Scalar {
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fn to_secpfun_scalar(&self) -> Scalar<Secret, NonZero> {
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let mut little_endian_bytes = self.to_bytes();
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little_endian_bytes.reverse();
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let big_endian_bytes = little_endian_bytes;
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ecdsa_fun::fun::Scalar::from_bytes(big_endian_bytes)
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.expect("valid scalar")
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.mark::<NonZero>()
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.expect("non-zero scalar")
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}
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}
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