saymrwulf/betrusted-curve25519-dalek-source
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make our fix parallel to the patch sent upstream

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remove const generics so we don't affect their mininum rust version
requirement
This commit is contained in:
bunnie 2021-06-29 23:35:02 +08:00
parent 279bbc5287
commit b8f968b6e4
1 changed files with 4 additions and 1 deletions
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5
src/scalar.rs
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@ -915,8 +915,11 @@ impl Scalar {
let mut naf = [0i8; 256]; let mut naf = [0i8; 256];
// work-around for https://github.com/rust-lang/rust/issues/86693
// riscv32i targets mis-align u64 types, leading to the lower 32 bits being aliased to the upper 32 bits
// the AlignedU64Slice wrapper forces the enclosed structure to be aligned, thus avoiding this problem.
#[repr(align(32))] #[repr(align(32))]
struct AlignedU64Slice<const N: usize>([u64; N]); struct AlignedU64Slice([u64; 5]);
let mut x_u64 = AlignedU64Slice([0u64; 5]); let mut x_u64 = AlignedU64Slice([0u64; 5]);
LittleEndian::read_u64_into(&self.bytes, &mut x_u64.0[0..4]); LittleEndian::read_u64_into(&self.bytes, &mut x_u64.0[0..4]);