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rsa: Use NonZero::new instead of new_unchecked

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Joshua Liebow-Feeser 2023-09-29 21:30:28 +00:00 committed by Brian Smith
parent 8406e2cbb6
commit e3e27e525f
1 changed files with 12 additions and 3 deletions
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15
src/rsa/public_exponent.rs
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@ -12,8 +12,14 @@ impl PublicExponent {
// TODO: Use `NonZeroU64::new(...).unwrap()` when `feature(const_panic)` is
// stable.
pub(super) const _3: Self = Self(unsafe { NonZeroU64::new_unchecked(3) });
pub(super) const _65537: Self = Self(unsafe { NonZeroU64::new_unchecked(65537) });
pub(super) const _3: Self = Self(match NonZeroU64::new(3) {
Some(nz) => nz,
None => unreachable!(),
});
pub(super) const _65537: Self = Self(match NonZeroU64::new(65537) {
Some(nz) => nz,
None => unreachable!(),
});
// This limit was chosen to bound the performance of the simple
// exponentiation-by-squaring implementation in `elem_exp_vartime`. In
@ -29,7 +35,10 @@ impl PublicExponent {
//
// TODO: Use `NonZeroU64::new(...).unwrap()` when `feature(const_panic)` is
// stable.
const MAX: Self = Self(unsafe { NonZeroU64::new_unchecked((1u64 << 33) - 1) });
const MAX: Self = Self(match NonZeroU64::new((1u64 << 33) - 1) {
Some(nz) => nz,
None => unreachable!(),
});
pub(super) fn from_be_bytes(
input: untrusted::Input,