34 lines
1.4 KiB
Rust
34 lines
1.4 KiB
Rust
use backend::serial::u32::field::FieldElement2625;
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use edwards::EdwardsPoint;
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/// `= sqrt(i*d)`, where `i = +sqrt(-1)` and `d` is the Edwards curve parameter.
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pub const SQRT_ID: FieldElement2625 = FieldElement2625([
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39590824, 701138, 28659366, 23623507, 53932708,
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32206357, 36326585, 24309414, 26167230, 1494357,
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]);
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/// `= (d+1)/(d-1)`, where `d` is the Edwards curve parameter.
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pub const DP1_OVER_DM1: FieldElement2625 = FieldElement2625([
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58833708, 32184294, 62457071, 26110240, 19032991,
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27203620, 7122892, 18068959, 51019405, 3776288,
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]);
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/// `= -2/sqrt(a-d)`, where `a = -1 (mod p)`, `d` are the Edwards curve parameters.
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pub const MDOUBLE_INVSQRT_A_MINUS_D: FieldElement2625 = FieldElement2625([
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54885894, 25242303, 55597453, 9067496, 51808079,
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33312638, 25456129, 14121551, 54921728, 3972023,
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]);
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/// `= -2i/sqrt(a-d)`, where `a = -1 (mod p)`, `d` are the Edwards curve parameters
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/// and `i = +sqrt(-1)`.
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pub const MIDOUBLE_INVSQRT_A_MINUS_D: FieldElement2625 = FieldElement2625([
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58178520, 23970840, 26444491, 29801899, 41064376,
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743696, 2900628, 27920316, 41968995, 5270573,
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]);
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/// `= -1/sqrt(1+d)`, where `d` is the Edwards curve parameters.
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pub const MINVSQRT_ONE_PLUS_D: FieldElement2625 = FieldElement2625([
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38019585, 4791795, 20332186, 18653482, 46576675,
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33182583, 65658549, 2817057, 12569934, 30919145,
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]);
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