use crate::fp::*;
use crate::fp2::*;
use core::fmt;
use core::ops::{Add, AddAssign, Mul, MulAssign, Neg, Sub, SubAssign};
use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
#[cfg(feature = "pairings")]
use rand_core::RngCore;
pub struct Fp6 {
pub c0: Fp2,
pub c1: Fp2,
pub c2: Fp2,
}
impl From<Fp> for Fp6 {
fn from(f: Fp) -> Fp6 {
Fp6 {
c0: Fp2::from(f),
c1: Fp2::zero(),
c2: Fp2::zero(),
}
}
}
impl From<Fp2> for Fp6 {
fn from(f: Fp2) -> Fp6 {
Fp6 {
c0: f,
c1: Fp2::zero(),
c2: Fp2::zero(),
}
}
}
impl PartialEq for Fp6 {
fn eq(&self, other: &Fp6) -> bool {
self.ct_eq(other).into()
}
}
impl Copy for Fp6 {}
impl Clone for Fp6 {
#[inline]
fn clone(&self) -> Self {
*self
}
}
impl Default for Fp6 {
fn default() -> Self {
Fp6::zero()
}
}
#[cfg(feature = "zeroize")]
impl zeroize::DefaultIsZeroes for Fp6 {}
impl fmt::Debug for Fp6 {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{:?} + ({:?})*v + ({:?})*v^2", self.c0, self.c1, self.c2)
}
}
impl ConditionallySelectable for Fp6 {
#[inline(always)]
fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self {
Fp6 {
c0: Fp2::conditional_select(&a.c0, &b.c0, choice),
c1: Fp2::conditional_select(&a.c1, &b.c1, choice),
c2: Fp2::conditional_select(&a.c2, &b.c2, choice),
}
}
}
impl ConstantTimeEq for Fp6 {
#[inline(always)]
fn ct_eq(&self, other: &Self) -> Choice {
self.c0.ct_eq(&other.c0) & self.c1.ct_eq(&other.c1) & self.c2.ct_eq(&other.c2)
}
}
impl Fp6 {
#[inline]
pub fn zero() -> Self {
Fp6 {
c0: Fp2::zero(),
c1: Fp2::zero(),
c2: Fp2::zero(),
}
}
#[inline]
pub fn one() -> Self {
Fp6 {
c0: Fp2::one(),
c1: Fp2::zero(),
c2: Fp2::zero(),
}
}
#[cfg(feature = "pairings")]
pub(crate) fn random(mut rng: impl RngCore) -> Self {
Fp6 {
c0: Fp2::random(&mut rng),
c1: Fp2::random(&mut rng),
c2: Fp2::random(&mut rng),
}
}
pub fn mul_by_1(&self, c1: &Fp2) -> Fp6 {
let b_b = self.c1 * c1;
let t1 = (self.c1 + self.c2) * c1 - b_b;
let t1 = t1.mul_by_nonresidue();
let t2 = (self.c0 + self.c1) * c1 - b_b;
Fp6 {
c0: t1,
c1: t2,
c2: b_b,
}
}
pub fn mul_by_01(&self, c0: &Fp2, c1: &Fp2) -> Fp6 {
let a_a = self.c0 * c0;
let b_b = self.c1 * c1;
let t1 = (self.c1 + self.c2) * c1 - b_b;
let t1 = t1.mul_by_nonresidue() + a_a;
let t2 = (c0 + c1) * (self.c0 + self.c1) - a_a - b_b;
let t3 = (self.c0 + self.c2) * c0 - a_a + b_b;
Fp6 {
c0: t1,
c1: t2,
c2: t3,
}
}
pub fn mul_by_nonresidue(&self) -> Self {
Fp6 {
c0: self.c2.mul_by_nonresidue(),
c1: self.c0,
c2: self.c1,
}
}
#[inline]
pub fn lexicographically_largest(&self) -> Choice {
self.c2.lexicographically_largest()
| (self.c2.is_zero() & self.c1.lexicographically_largest())
| (self.c2.is_zero() & self.c1.is_zero() & self.c0.lexicographically_largest())
}
#[inline(always)]
pub fn frobenius_map(&self) -> Self {
let c0 = self.c0.frobenius_map();
let c1 = self.c1.frobenius_map();
let c2 = self.c2.frobenius_map();
let c1 = c1
* Fp2 {
c0: Fp::zero(),
c1: Fp::from_raw_unchecked([
0xcd03_c9e4_8671_f071,
0x5dab_2246_1fcd_a5d2,
0x5870_42af_d385_1b95,
0x8eb6_0ebe_01ba_cb9e,
0x03f9_7d6e_83d0_50d2,
0x18f0_2065_5463_8741,
]),
};
let c2 = c2
* Fp2 {
c0: Fp::from_raw_unchecked([
0x890d_c9e4_8675_45c3,
0x2af3_2253_3285_a5d5,
0x5088_0866_309b_7e2c,
0xa20d_1b8c_7e88_1024,
0x14e4_f04f_e2db_9068,
0x14e5_6d3f_1564_853a,
]),
c1: Fp::zero(),
};
Fp6 { c0, c1, c2 }
}
#[inline(always)]
pub fn is_zero(&self) -> Choice {
self.c0.is_zero() & self.c1.is_zero() & self.c2.is_zero()
}
#[inline]
fn mul_interleaved(&self, b: &Self) -> Self {
let a = self;
let b10_p_b11 = b.c1.c0 + b.c1.c1;
let b10_m_b11 = b.c1.c0 - b.c1.c1;
let b20_p_b21 = b.c2.c0 + b.c2.c1;
let b20_m_b21 = b.c2.c0 - b.c2.c1;
Fp6 {
c0: Fp2 {
c0: Fp::sum_of_products(
[a.c0.c0, -a.c0.c1, a.c1.c0, -a.c1.c1, a.c2.c0, -a.c2.c1],
[b.c0.c0, b.c0.c1, b20_m_b21, b20_p_b21, b10_m_b11, b10_p_b11],
),
c1: Fp::sum_of_products(
[a.c0.c0, a.c0.c1, a.c1.c0, a.c1.c1, a.c2.c0, a.c2.c1],
[b.c0.c1, b.c0.c0, b20_p_b21, b20_m_b21, b10_p_b11, b10_m_b11],
),
},
c1: Fp2 {
c0: Fp::sum_of_products(
[a.c0.c0, -a.c0.c1, a.c1.c0, -a.c1.c1, a.c2.c0, -a.c2.c1],
[b.c1.c0, b.c1.c1, b.c0.c0, b.c0.c1, b20_m_b21, b20_p_b21],
),
c1: Fp::sum_of_products(
[a.c0.c0, a.c0.c1, a.c1.c0, a.c1.c1, a.c2.c0, a.c2.c1],
[b.c1.c1, b.c1.c0, b.c0.c1, b.c0.c0, b20_p_b21, b20_m_b21],
),
},
c2: Fp2 {
c0: Fp::sum_of_products(
[a.c0.c0, -a.c0.c1, a.c1.c0, -a.c1.c1, a.c2.c0, -a.c2.c1],
[b.c2.c0, b.c2.c1, b.c1.c0, b.c1.c1, b.c0.c0, b.c0.c1],
),
c1: Fp::sum_of_products(
[a.c0.c0, a.c0.c1, a.c1.c0, a.c1.c1, a.c2.c0, a.c2.c1],
[b.c2.c1, b.c2.c0, b.c1.c1, b.c1.c0, b.c0.c1, b.c0.c0],
),
},
}
}
#[inline]
pub fn square(&self) -> Self {
let s0 = self.c0.square();
let ab = self.c0 * self.c1;
let s1 = ab + ab;
let s2 = (self.c0 - self.c1 + self.c2).square();
let bc = self.c1 * self.c2;
let s3 = bc + bc;
let s4 = self.c2.square();
Fp6 {
c0: s3.mul_by_nonresidue() + s0,
c1: s4.mul_by_nonresidue() + s1,
c2: s1 + s2 + s3 - s0 - s4,
}
}
pub fn sqrt(&self) -> CtOption<Self> {
let d1 = -Fp6::one(); let d2 = Fp6 {
c0: Fp2::zero(),
c1: Fp2::one(),
c2: Fp2::zero(),
};
let d1p = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0x3e2f585da55c9ad1,
0x4294213d86c18183,
0x382844c88b623732,
0x92ad2afd19103e18,
0x1d794e4fac7cf0b9,
0xbd592fc7d825ec8,
]),
c1: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
c1: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
c1: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
},
};
let d2p = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
c1: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
c1: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([0, 0, 0, 0, 0, 0]),
c1: Fp::from_raw_unchecked([
0xa1fafffffffe5557,
0x995bfff976a3fffe,
0x3f41d24d174ceb4,
0xf6547998c1995dbd,
0x778a468f507a6034,
0x20559931f7f8103,
]),
},
};
const Q_9_16: [u64; 36] = [
0xec6c98463c0705d6,
0x43e289a0f3f4bf2d,
0xbd7b3ab5b8c6b958,
0x1e2224a8eb96aa99,
0x5bc6e626bf75d31b,
0x112c3fafee728bc6,
0xea912bfab48acaa3,
0xd1104ac1a5e1d016,
0x8753cc53bc216c89,
0x68d0e2ff6757720d,
0xceb29abcf6393273,
0xa48cffe36be19d62,
0x3c60ea9e7da88f87,
0x64a169ed7be12645,
0x8ce491e59479f2f0,
0xae8ef66f64fc39e3,
0x45a04d8b589e2ee0,
0x6fe7ecc060dc0416,
0xe3a393c71fbaa2a9,
0x383ae97d6e42a21d,
0xa0b065ad579101c2,
0xd1d8e1e24340abd7,
0xdccf5dcd2baf7616,
0x88cefbbcb4b30a9e,
0x3f8495f8c07454bb,
0xe5df34f80b646e30,
0xc69f8d8d26942fd6,
0x7dcd0112c1716c29,
0xd91568530d98be18,
0x7b7a84c946d480f7,
0x5c538a5d6456a69c,
0x605ec38b8f441e07,
0xd4bf5d877014b55f,
0xf22d47e8f4c8a61,
0x9a1f49cc5d7911d1,
0x126e3a9ce60,
];
let xp = self.pow_vartime(&Q_9_16); let z1 = xp * d1p;
let z2 = xp * d2p;
let z1d1 = z1 * d1;
let z2d2 = z2 * d2;
let hi1 = z1d1 * z1d1 * self;
let hi2 = z2d2 * z2d2 * self;
let i1 = hi1 + hi1;
let i2 = hi2 + hi2;
let a1 = z1d1 * self * (i1 - Fp6::one());
let a2 = z2d2 * self * (i2 - Fp6::one());
let c1 = self.ct_eq(&(a1 * a1));
let c2 = self.ct_eq(&(a2 * a2));
let a = Fp6::conditional_select(&a1, &a2, c2);
CtOption::new(a, c1 | c2)
}
#[inline]
pub fn invert(&self) -> CtOption<Self> {
let c0 = (self.c1 * self.c2).mul_by_nonresidue();
let c0 = self.c0.square() - c0;
let c1 = self.c2.square().mul_by_nonresidue();
let c1 = c1 - (self.c0 * self.c1);
let c2 = self.c1.square();
let c2 = c2 - (self.c0 * self.c2);
let tmp = ((self.c1 * c2) + (self.c2 * c1)).mul_by_nonresidue();
let tmp = tmp + (self.c0 * c0);
tmp.invert().map(|t| Fp6 {
c0: t * c0,
c1: t * c1,
c2: t * c2,
})
}
pub fn pow_vartime(&self, by: &[u64]) -> Self {
let mut lut: [Fp6; 256] = [Default::default(); 256];
lut[0] = Fp6::one();
lut[1] = *self;
for i in 1..128 {
lut[2 * i] = lut[i].square();
lut[2 * i + 1] = lut[2 * i] * self;
}
let mut res = Fp6::one();
let mut first = true;
for j in (0..by.len()).rev() {
let e = by[j];
if first {
first = false;
} else {
for _ in 0..8 {
res = res.square();
}
}
res *= lut[((e >> (7 * 8)) & 255u64) as usize];
for _ in 0..8 {
res = res.square();
}
res *= lut[((e >> (6 * 8)) & 255u64) as usize];
for _ in 0..8 {
res = res.square();
}
res *= lut[((e >> (5 * 8)) & 255u64) as usize];
for _ in 0..8 {
res = res.square();
}
res *= lut[((e >> (4 * 8)) & 255u64) as usize];
for _ in 0..8 {
res = res.square();
}
res *= lut[((e >> (3 * 8)) & 255u64) as usize];
for _ in 0..8 {
res = res.square();
}
res *= lut[((e >> (2 * 8)) & 255u64) as usize];
for _ in 0..8 {
res = res.square();
}
res *= lut[((e >> (1 * 8)) & 255u64) as usize];
for _ in 0..8 {
res = res.square();
}
res *= lut[(e & 255u64) as usize];
}
res
}
pub fn from_bytes_unchecked(bytes: &[u8; 288]) -> CtOption<Fp6> {
let mut buf = [0u8; 96];
buf.copy_from_slice(&bytes[0..96]);
let c0 = Fp2::from_bytes_unchecked(&buf);
buf.copy_from_slice(&bytes[96..192]);
let c1 = Fp2::from_bytes_unchecked(&buf);
buf.copy_from_slice(&bytes[192..288]);
let c2 = Fp2::from_bytes_unchecked(&buf);
c0.and_then(|c0| c1.and_then(|c1| c2.map(|c2| Fp6 { c0, c1, c2 })))
}
pub fn to_bytes(&self) -> [u8; 288] {
let mut res = [0; 288];
res[0..96].copy_from_slice(&self.c0.to_bytes());
res[96..192].copy_from_slice(&self.c1.to_bytes());
res[192..288].copy_from_slice(&self.c2.to_bytes());
res
}
}
impl<'a, 'b> Mul<&'b Fp6> for &'a Fp6 {
type Output = Fp6;
#[inline]
fn mul(self, other: &'b Fp6) -> Self::Output {
self.mul_interleaved(other)
}
}
impl<'a, 'b> Add<&'b Fp6> for &'a Fp6 {
type Output = Fp6;
#[inline]
fn add(self, rhs: &'b Fp6) -> Self::Output {
Fp6 {
c0: self.c0 + rhs.c0,
c1: self.c1 + rhs.c1,
c2: self.c2 + rhs.c2,
}
}
}
impl<'a> Neg for &'a Fp6 {
type Output = Fp6;
#[inline]
fn neg(self) -> Self::Output {
Fp6 {
c0: -self.c0,
c1: -self.c1,
c2: -self.c2,
}
}
}
impl Neg for Fp6 {
type Output = Fp6;
#[inline]
fn neg(self) -> Self::Output {
-&self
}
}
impl<'a, 'b> Sub<&'b Fp6> for &'a Fp6 {
type Output = Fp6;
#[inline]
fn sub(self, rhs: &'b Fp6) -> Self::Output {
Fp6 {
c0: self.c0 - rhs.c0,
c1: self.c1 - rhs.c1,
c2: self.c2 - rhs.c2,
}
}
}
impl_binops_additive!(Fp6, Fp6);
impl_binops_multiplicative!(Fp6, Fp6);
#[test]
fn test_arithmetic() {
use crate::fp::*;
let a = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0x47f9_cb98_b1b8_2d58,
0x5fe9_11eb_a3aa_1d9d,
0x96bf_1b5f_4dd8_1db3,
0x8100_d27c_c925_9f5b,
0xafa2_0b96_7464_0eab,
0x09bb_cea7_d8d9_497d,
]),
c1: Fp::from_raw_unchecked([
0x0303_cb98_b166_2daa,
0xd931_10aa_0a62_1d5a,
0xbfa9_820c_5be4_a468,
0x0ba3_643e_cb05_a348,
0xdc35_34bb_1f1c_25a6,
0x06c3_05bb_19c0_e1c1,
]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([
0x46f9_cb98_b162_d858,
0x0be9_109c_f7aa_1d57,
0xc791_bc55_fece_41d2,
0xf84c_5770_4e38_5ec2,
0xcb49_c1d9_c010_e60f,
0x0acd_b8e1_58bf_e3c8,
]),
c1: Fp::from_raw_unchecked([
0x8aef_cb98_b15f_8306,
0x3ea1_108f_e4f2_1d54,
0xcf79_f69f_a1b7_df3b,
0xe4f5_4aa1_d16b_1a3c,
0xba5e_4ef8_6105_a679,
0x0ed8_6c07_97be_e5cf,
]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([
0xcee5_cb98_b15c_2db4,
0x7159_1082_d23a_1d51,
0xd762_30e9_44a1_7ca4,
0xd19e_3dd3_549d_d5b6,
0xa972_dc17_01fa_66e3,
0x12e3_1f2d_d6bd_e7d6,
]),
c1: Fp::from_raw_unchecked([
0xad2a_cb98_b173_2d9d,
0x2cfd_10dd_0696_1d64,
0x0739_6b86_c6ef_24e8,
0xbd76_e2fd_b1bf_c820,
0x6afe_a7f6_de94_d0d5,
0x1099_4b0c_5744_c040,
]),
},
};
let b = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0xf120_cb98_b16f_d84b,
0x5fb5_10cf_f3de_1d61,
0x0f21_a5d0_69d8_c251,
0xaa1f_d62f_34f2_839a,
0x5a13_3515_7f89_913f,
0x14a3_fe32_9643_c247,
]),
c1: Fp::from_raw_unchecked([
0x3516_cb98_b16c_82f9,
0x926d_10c2_e126_1d5f,
0x1709_e01a_0cc2_5fba,
0x96c8_c960_b825_3f14,
0x4927_c234_207e_51a9,
0x18ae_b158_d542_c44e,
]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([
0xbf0d_cb98_b169_82fc,
0xa679_10b7_1d1a_1d5c,
0xb7c1_47c2_b8fb_06ff,
0x1efa_710d_47d2_e7ce,
0xed20_a79c_7e27_653c,
0x02b8_5294_dac1_dfba,
]),
c1: Fp::from_raw_unchecked([
0x9d52_cb98_b180_82e5,
0x621d_1111_5176_1d6f,
0xe798_8260_3b48_af43,
0x0ad3_1637_a4f4_da37,
0xaeac_737c_5ac1_cf2e,
0x006e_7e73_5b48_b824,
]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([
0xe148_cb98_b17d_2d93,
0x94d5_1104_3ebe_1d6c,
0xef80_bca9_de32_4cac,
0xf77c_0969_2827_95b1,
0x9dc1_009a_fbb6_8f97,
0x0479_3199_9a47_ba2b,
]),
c1: Fp::from_raw_unchecked([
0x253e_cb98_b179_d841,
0xc78d_10f7_2c06_1d6a,
0xf768_f6f3_811b_ea15,
0xe424_fc9a_ab5a_512b,
0x8cd5_8db9_9cab_5001,
0x0883_e4bf_d946_bc32,
]),
},
};
let c = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0x6934_cb98_b176_82ef,
0xfa45_10ea_194e_1d67,
0xff51_313d_2405_877e,
0xd0cd_efcc_2e8d_0ca5,
0x7bea_1ad8_3da0_106b,
0x0c8e_97e6_1845_be39,
]),
c1: Fp::from_raw_unchecked([
0x4779_cb98_b18d_82d8,
0xb5e9_1144_4daa_1d7a,
0x2f28_6bda_a653_2fc2,
0xbca6_94f6_8bae_ff0f,
0x3d75_e6b8_1a3a_7a5d,
0x0a44_c3c4_98cc_96a3,
]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([
0x8b6f_cb98_b18a_2d86,
0xe8a1_1137_3af2_1d77,
0x3710_a624_493c_cd2b,
0xa94f_8828_0ee1_ba89,
0x2c8a_73d6_bb2f_3ac7,
0x0e4f_76ea_d7cb_98aa,
]),
c1: Fp::from_raw_unchecked([
0xcf65_cb98_b186_d834,
0x1b59_112a_283a_1d74,
0x3ef8_e06d_ec26_6a95,
0x95f8_7b59_9214_7603,
0x1b9f_00f5_5c23_fb31,
0x125a_2a11_16ca_9ab1,
]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([
0x135b_cb98_b183_82e2,
0x4e11_111d_1582_1d72,
0x46e1_1ab7_8f10_07fe,
0x82a1_6e8b_1547_317d,
0x0ab3_8e13_fd18_bb9b,
0x1664_dd37_55c9_9cb8,
]),
c1: Fp::from_raw_unchecked([
0xce65_cb98_b131_8334,
0xc759_0fdb_7c3a_1d2e,
0x6fcb_8164_9d1c_8eb3,
0x0d44_004d_1727_356a,
0x3746_b738_a7d0_d296,
0x136c_144a_96b1_34fc,
]),
},
};
assert_eq!(a.square(), a * a);
assert_eq!(b.square(), b * b);
assert_eq!(c.square(), c * c);
assert_eq!((a + b) * c.square(), (c * c * a) + (c * c * b));
assert_eq!(
a.invert().unwrap() * b.invert().unwrap(),
(a * b).invert().unwrap()
);
assert_eq!(a.invert().unwrap() * a, Fp6::one());
}
#[cfg(feature = "zeroize")]
#[test]
fn test_zeroize() {
use zeroize::Zeroize;
let mut a = Fp6::one();
a.zeroize();
assert!(bool::from(a.is_zero()));
}
#[test]
fn test_sqrt() {
let a = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0x615eaaf7e0049a1b,
0x7db3249009df9588,
0x5d9254c0f7ae87f1,
0x14fee19cbfc1faca,
0x3017e7271c83b32b,
0xbdc34aaf515eb44,
]),
c1: Fp::from_raw_unchecked([
0x27e6b317a77e12d0,
0x341b70fc95934deb,
0x26bd37e4251442ab,
0x8c7bf72e39756512,
0x1d2a1377ffc35dd4,
0x735f5a52f945f95,
]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([
0x2b5775a7a21ba5ba,
0x8b5c1025c7098c9f,
0x4d29b1556a548261,
0x7a045cbceb12c9f0,
0x2324654df63d1675,
0x1113123138f58432,
]),
c1: Fp::from_raw_unchecked([
0x3f4d0c00005dc31b,
0xed1d44e80072a5b,
0xfdeda4845c7115ed,
0x6b8d8cd2f54986dd,
0xa3de763c81254081,
0x1030efee1d581ee4,
]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([
0xf376d245bed59044,
0x335afd18409563ee,
0xd1ee1e7d2cfba1b4,
0x17086c56016a6b2b,
0x30c195f0664865a9,
0x5bc0c3bef4e9565,
]),
c1: Fp::from_raw_unchecked([
0x29241b89771406dd,
0x3b269017c337a140,
0xcf0c50cfdf0fb818,
0xf1a56e35e67614bd,
0x373427c6e475ec5e,
0x10ab1bd5fbed215d,
]),
},
};
assert!(bool::from(a.sqrt().is_none()));
let b = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0x760900000002fffd,
0xebf4000bc40c0002,
0x5f48985753c758ba,
0x77ce585370525745,
0x5c071a97a256ec6d,
0x15f65ec3fa80e493,
]),
c1: Fp::from_raw_unchecked([
0x321300000006554f,
0xb93c0018d6c40005,
0x57605e0db0ddbb51,
0x8b256521ed1f9bcb,
0x6cf28d7901622c03,
0x11ebab9dbb81e28c,
]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([
0xee1d00000009aaa1,
0x86840025e97c0007,
0x4f7823c40df41de8,
0x9e7c71f069ece051,
0x7dde005a606d6b99,
0xde0f8777c82e085,
]),
c1: Fp::from_raw_unchecked([
0xaa270000000cfff3,
0x53cc0032fc34000a,
0x478fe97a6b0a807f,
0xb1d37ebee6ba24d7,
0x8ec9733bbf78ab2f,
0x9d645513d83de7e,
]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([
0x6631000000105545,
0x211400400eec000d,
0x3fa7af30c820e316,
0xc52a8b8d6387695d,
0x9fb4e61d1e83eac5,
0x5cb922afe84dc77,
]),
c1: Fp::from_raw_unchecked([
0x223b00000013aa97,
0xee5c004d21a40010,
0x37bf74e7253745ac,
0xd881985be054ade3,
0xb0a058fe7d8f2a5b,
0x1c0df04bf85da70,
]),
},
};
let b_sqrt = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0xdacab8ec196d0e90,
0x87e85ab6ea88b979,
0x3dfe939a4a365ef1,
0x78d2523061125499,
0x6fc4397c4dc7b39,
0x178d99f425a98078,
]),
c1: Fp::from_raw_unchecked([
0x5f61615b4b6b9955,
0xfa5b876c8ea831b5,
0x3fd6d7cd22e2fb76,
0x2d55c9a9feef3d0a,
0x7adfaf601698839c,
0xd2971c3c245dbdb,
]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([
0xd1857aba9d3a5ad2,
0xaa0fcc118b33fd83,
0xdddf06c2cd76474b,
0xf2ba6fae3c211902,
0x81b879d941bf01e8,
0x16efa6ec5c6ebf43,
]),
c1: Fp::from_raw_unchecked([
0x6b7a79f9320e4b80,
0xf0d55c31e63117d6,
0x9f0c4f9fbb78699e,
0xffc9af394b9b8049,
0xb76d97ef754a5ad,
0xb5172e8b69f5596,
]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([
0xf140b9d2f1e99c5e,
0xc78982e4ca301b97,
0x98f3a4b656f50198,
0xaa310cb32c652865,
0xcbee9785769731bb,
0x16f81c9ea55bde91,
]),
c1: Fp::from_raw_unchecked([
0x83304d5cf6ddb3d0,
0x3bc1eac936b91f3f,
0x26009dc8b2afd880,
0x3d88fa5fd4a3a1a7,
0x524af7c39e6b675d,
0x1460fef116f3d046,
]),
},
};
assert_eq!(b_sqrt * b_sqrt, b);
assert_eq!(b.sqrt().unwrap().square(), b);
assert_eq!(b.sqrt().unwrap(), b_sqrt);
let c = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0xaa270000000cfff3,
0x53cc0032fc34000a,
0x478fe97a6b0a807f,
0xb1d37ebee6ba24d7,
0x8ec9733bbf78ab2f,
0x9d645513d83de7e,
]),
c1: Fp::from_raw_unchecked([
0x321300000006554f,
0xb93c0018d6c40005,
0x57605e0db0ddbb51,
0x8b256521ed1f9bcb,
0x6cf28d7901622c03,
0x11ebab9dbb81e28c,
]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([
0xee1d00000009aaa1,
0x86840025e97c0007,
0x4f7823c40df41de8,
0x9e7c71f069ece051,
0x7dde005a606d6b99,
0xde0f8777c82e085,
]),
c1: Fp::from_raw_unchecked([
0xaa270000000cfff3,
0x53cc0032fc34000a,
0x478fe97a6b0a807f,
0xb1d37ebee6ba24d7,
0x8ec9733bbf78ab2f,
0x9d645513d83de7e,
]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([
0x6631000000105545,
0x211400400eec000d,
0x3fa7af30c820e316,
0xc52a8b8d6387695d,
0x9fb4e61d1e83eac5,
0x5cb922afe84dc77,
]),
c1: Fp::from_raw_unchecked([
0x223b00000013aa97,
0xee5c004d21a40010,
0x37bf74e7253745ac,
0xd881985be054ade3,
0xb0a058fe7d8f2a5b,
0x1c0df04bf85da70,
]),
},
};
let c_sqrt = Fp6 {
c0: Fp2 {
c0: Fp::from_raw_unchecked([
0xbc5c83c79ee17378,
0x6234c76e1e43427d,
0xa967a76ded98934,
0x60530cb49f3aa701,
0xf1e78d8b238ce13b,
0xcae66f9d906cc2,
]),
c1: Fp::from_raw_unchecked([
0x8e0b93ad5a9e2ad8,
0x9f651961fde14bf2,
0x4c1dbb672da9e549,
0x6a9dd580ee524230,
0x37f847eccc026,
0x8759709a578b0d,
]),
},
c1: Fp2 {
c0: Fp::from_raw_unchecked([
0x1df7771f87b25d2d,
0xce9d90f1fb56fe78,
0xea74bda2cc72e5ea,
0xf240542d5067f34e,
0x5c127ed5f9d549c6,
0x4b40109ac4a835a,
]),
c1: Fp::from_raw_unchecked([
0x280644f936de9b22,
0xc66d88e8b24bcc50,
0x59c13da5b138eb11,
0x58eb4797886a4ad5,
0x906577dcb6d18661,
0x12b4501b3e3c9f3a,
]),
},
c2: Fp2 {
c0: Fp::from_raw_unchecked([
0xccbcf4677c99dfcb,
0x8001c4f4626cc646,
0x47d3f89c286446a9,
0x1c85adb35001a959,
0x933daef463a2592c,
0x2763061b8787ca0,
]),
c1: Fp::from_raw_unchecked([
0xdcb4c1ccf25dcf8e,
0xf1a4f384c2a0a4ae,
0x3e20636334c0d7d1,
0xcb6d42fd5a06e476,
0x3eff57d6357d7d40,
0x1528dc22578f54dd,
]),
},
};
assert_eq!(c_sqrt * c_sqrt, c);
assert_eq!(c.sqrt().unwrap().square(), c);
assert_eq!(c.sqrt().unwrap(), c_sqrt);
}