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Work around sqrtRatioM1() issue in release-safe mode

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Frank Denis 2020-08-15 21:00:22 +02:00 committed by Andrew Kelley
parent 08dfbee961
commit ab6ffa8a3c
1 changed files with 2 additions and 2 deletions
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4
lib/std/crypto/25519/ristretto255.zig
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@ -24,11 +24,11 @@ pub const Ristretto255 = struct {
const has_f_root = f_root_check.isZero();
const x_sqrtm1 = x.mul(Fe.sqrtm1); // x*sqrt(-1)
x.cMov(x_sqrtm1, @boolToInt(has_p_root) | @boolToInt(has_f_root));
x = x.abs();
const xa = x.abs();
if ((@boolToInt(has_m_root) | @boolToInt(has_p_root)) == 0) {
return error.NoRoot;
}
return x;
return xa;
}
fn rejectNonCanonical(s: [32]u8) !void {