ecc Namespace Reference

The secp256k1 field prime number (P) and order. More...

Functions
__host__ __device__ void	cgbn_mul_mod (env_t env, bn_t &res, bn_t &a, bn_t &b, bn_t &mod)
__host__ __device__ void	cgbn_add_mod (env_t env, bn_t &res, bn_t &a, bn_t &b, bn_t &mod)
__host__ __device__ void	cgbn_sub_mod (env_t env, bn_t &res, bn_t &a, bn_t &b, bn_t &mod)
__host__ __device__ void	cgbn_div_mod (env_t env, bn_t &res, bn_t &a, bn_t &b, bn_t &mod)
	helper div_mod for bn_t More...
__host__ __device__ bool	is_on_cuve_simple (env_t env, bn_t &Px, bn_t &Py, bn_t &mod, uint32_t B)
	Check if a basic point P(x, y) is on the curve y^2 = x^3 + B. More...
__host__ __device__ int	ec_add (ArithEnv &arith, Curve curve, bn_t &ResX, bn_t &ResY, bn_t &Px, bn_t &Py, bn_t &Qx, bn_t &Qy)
__host__ __device__ int	ec_mul (ArithEnv &arith, Curve curve, bn_t &ResX, bn_t &ResY, bn_t &Gx, bn_t &Gy, bn_t &n)
__host__ __device__ void	convert_point_to_address (ArithEnv &arith, bn_t &address, bn_t &X, bn_t &Y)
__host__ __device__ int	ec_recover (ArithEnv &arith, CuEVM::EccConstants *ecc_constants_ptr, signature_t &sig, bn_t &signer)
__host__ __device__ int	pairing_multiple (ArithEnv &arith, EccConstants *ecc_constants_ptr, uint8_t *points_data, size_t data_len)

Detailed Description

The secp256k1 field prime number (P) and order.

Function Documentation

cgbn_add_mod()

__host__ __device__ void ecc::cgbn_add_mod	(	env_t	env,
		bn_t &	res,
		bn_t &	a,
		bn_t &	b,
		bn_t &	mod
	)

Here is the caller graph for this function:

cgbn_div_mod()

__host__ __device__ void ecc::cgbn_div_mod	(	env_t	env,
		bn_t &	res,
		bn_t &	a,
		bn_t &	b,
		bn_t &	mod
	)

helper div_mod for bn_t

Parameters

env
res
a
b
mod

Here is the call graph for this function:

cgbn_mul_mod()

__host__ __device__ void ecc::cgbn_mul_mod	(	env_t	env,
		bn_t &	res,
		bn_t &	a,
		bn_t &	b,
		bn_t &	mod
	)

Here is the caller graph for this function:

cgbn_sub_mod()

__host__ __device__ void ecc::cgbn_sub_mod	(	env_t	env,
		bn_t &	res,
		bn_t &	a,
		bn_t &	b,
		bn_t &	mod
	)

Here is the caller graph for this function:

convert_point_to_address()

__host__ __device__ void ecc::convert_point_to_address	(	ArithEnv &	arith,
		bn_t &	address,
		bn_t &	X,
		bn_t &	Y
	)

Here is the call graph for this function:

Here is the caller graph for this function:

ec_add()

__host__ __device__ int ecc::ec_add	(	ArithEnv &	arith,
		Curve	curve,
		bn_t &	ResX,
		bn_t &	ResY,
		bn_t &	Px,
		bn_t &	Py,
		bn_t &	Qx,
		bn_t &	Qy
	)

Here is the call graph for this function:

Here is the caller graph for this function:

ec_mul()

__host__ __device__ int ecc::ec_mul	(	ArithEnv &	arith,
		Curve	curve,
		bn_t &	ResX,
		bn_t &	ResY,
		bn_t &	Gx,
		bn_t &	Gy,
		bn_t &	n
	)

Here is the call graph for this function:

Here is the caller graph for this function:

ec_recover()

__host__ __device__ int ecc::ec_recover	(	ArithEnv &	arith,
		CuEVM::EccConstants *	ecc_constants_ptr,
		signature_t &	sig,
		bn_t &	signer
	)

Recover signer from the signature with the above structure. return the signer address in cgbn type

Parameters

arith
sig
signer

Here is the call graph for this function:

Here is the caller graph for this function:

is_on_cuve_simple()

__host__ __device__ bool ecc::is_on_cuve_simple	(	env_t	env,
		bn_t &	Px,
		bn_t &	Py,
		bn_t &	mod,
		uint32_t	B
	)

Check if a basic point P(x, y) is on the curve y^2 = x^3 + B.

Parameters

env
Px
Py
mod
B

Returns

true if on curve

Here is the call graph for this function:

Here is the caller graph for this function:

pairing_multiple()

__host__ __device__ int ecc::pairing_multiple	(	ArithEnv &	arith,
		EccConstants *	ecc_constants_ptr,
		uint8_t *	points_data,
		size_t	data_len
	)

Here is the caller graph for this function: