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https://github.com/saymrwulf/anza-cryptography-source.git
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1587b4c24f
* refactor and merge curve and ed crates * fmt * ci * fmt again * ci * Update bench.rs * fix ubuntu
51 lines
1.4 KiB
Rust
51 lines
1.4 KiB
Rust
pub use crate::backend::serial::u64::field::FieldElement51;
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const fn field_element(element: [u64; 5]) -> FieldElement51 {
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FieldElement51(element)
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}
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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: FieldElement51 = field_element([
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2298852427963285,
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3837146560810661,
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4413131899466403,
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3883177008057528,
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2352084440532925,
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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: FieldElement51 = field_element([
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2159851467815724,
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1752228607624431,
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1825604053920671,
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1212587319275468,
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253422448836237,
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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: FieldElement51 = field_element([
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1693982333959686,
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608509411481997,
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2235573344831311,
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947681270984193,
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266558006233600,
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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: FieldElement51 = field_element([
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1608655899704280,
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1999971613377227,
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49908634785720,
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1873700692181652,
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353702208628067,
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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: FieldElement51 = field_element([
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321571956990465,
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1251814006996634,
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2226845496292387,
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189049560751797,
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2074948709371214,
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]);
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