g1p.cu File Reference

#include <stdio.h>
#include "fp.cuh"
#include "g1.cuh"

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Functions
__device__ void	g1p_toUint64 (const g1p_t &p, uint64_t *x, uint64_t *y, uint64_t *z)
	Converts G1 point into arrays of uint64_t. Each array must be uint64_t[6] This function does not validate if the coordinates are a valid point in the curve. More...
__device__ __host__ void	g1p_fromUint64 (g1p_t &p, uint64_t *x, uint64_t *y, uint64_t *z)
	Converts arrays of uint64_t into a G1 point. Each array must be uint64_t[6] This function does not validate if the coordinates are a valid point in the curve. More...
__device__ void	g1p_fromG1a (g1p_t &p, const g1a_t &a)
	Convert a point in affine coordinates to projective coordinates. More...
__device__ __host__ void	g1p_cpy (g1p_t &p, const g1p_t &q)
	Copy from q into p. More...
__device__ __host__ void	g1p_print (const char *s, const g1p_t &p)
	Print a standard representation of p, preceded by the user-set string s. More...
__device__ __host__ void	g1p_inf (g1p_t &p)
	Set p to the point-at-infinity (0,1,0) More...
__device__ __host__ void	g1p_gen (g1p_t &p)
	Sets p to the generator point G1 of bls12_381. More...
__global__ void	g1p_eq_wrapper (uint8_t *eq, size_t count, const g1p_t *p, const g1p_t *q)
	Kernel wrapper, host-callable comparison of arrays of g1p_t. More...
__global__ void	g1a_fromG1p_wrapper (g1a_t *a, size_t count, const g1p_t *p)
	Kernel wrappers, host-callable conversion of points in projective coordinates into affine coordinates. More...

Function Documentation

g1a_fromG1p_wrapper()

__global__ void g1a_fromG1p_wrapper	(	g1a_t *	a,
		size_t	count,
		const g1p_t *	p
	)

Kernel wrappers, host-callable conversion of points in projective coordinates into affine coordinates.

Parameters

[out]	a	Array g1a_t[count]
[in]	count	number of elements in the array
[in]	p	Array g1p_t[count]

Returns

void

Definition at line 166 of file g1p.cu.

g1p_cpy()

__device__ __host__ void g1p_cpy	(	g1p_t &	p,
		const g1p_t &	q
	)

Copy from q into p.

Parameters

[out]	p
[in]	q

Returns

void

Definition at line 67 of file g1p.cu.

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g1p_eq_wrapper()

__global__ void g1p_eq_wrapper	(	uint8_t *	eq,
		size_t	count,
		const g1p_t *	p,
		const g1p_t *	q
	)

Kernel wrapper, host-callable comparison of arrays of g1p_t.

Parameters

[out]	eq	Array of size count, will store the result of the comparison. eq[i]==1 iff p[i]==q[i]
[in]	count	number of elements to be compared
[in]	p	Array g1p_t[count]
[in]	q	Array g1p_t[count]

Returns

void

Definition at line 140 of file g1p.cu.

g1p_fromG1a()

__device__ void g1p_fromG1a	(	g1p_t &	p,
		const g1a_t &	a
	)

Convert a point in affine coordinates to projective coordinates.

Parameters

[out]	p	point in projective coordinates
[in]	a	point in affine coordinates

Returns

void

Definition at line 51 of file g1p.cu.

g1p_fromUint64()

__device__ __host__ void g1p_fromUint64	(	g1p_t &	p,
		uint64_t *	x,
		uint64_t *	y,
		uint64_t *	z
	)

Converts arrays of uint64_t into a G1 point. Each array must be uint64_t[6] This function does not validate if the coordinates are a valid point in the curve.

Parameters

[out]	p	point in G1
[in]	x	Array with the x coordinate
[in]	y	Array with the y coordinate
[in]	z	Array with the z coordinate

Returns

void

Definition at line 38 of file g1p.cu.

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g1p_gen()

__device__ __host__ void g1p_gen

(

g1p_t &

p

)

Sets p to the generator point G1 of bls12_381.

Parameters

p

Returns

void

Definition at line 106 of file g1p.cu.

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g1p_inf()

__device__ __host__ void g1p_inf

(

g1p_t &

p

)

Set p to the point-at-infinity (0,1,0)

Parameters

[in]

p

Returns

void

Definition at line 93 of file g1p.cu.

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g1p_print()

__device__ __host__ void g1p_print	(	const char *	s,
		const g1p_t &	p
	)

Print a standard representation of p, preceded by the user-set string s.

Parameters

[out]	s	Description string
[out]	p	Point in g1

Returns

void

Definition at line 80 of file g1p.cu.

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g1p_toUint64()

__device__ void g1p_toUint64	(	const g1p_t &	p,
		uint64_t *	x,
		uint64_t *	y,
		uint64_t *	z
	)

Converts G1 point into arrays of uint64_t. Each array must be uint64_t[6] This function does not validate if the coordinates are a valid point in the curve.

Parameters

[in]	p	point in G1
[out]	x	Array with the x coordinate
[out]	y	Array with the y coordinate
[out]	z	Array with the z coordinate

Returns

void

Definition at line 21 of file g1p.cu.

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