C ABI bridging Purify C++ code to secp256k1-zkp BPPP functionality.

#include <stddef.h>
#include "purify/secp_bridge.h"

Data Structures
struct	purify_bulletproof_row_view
struct	purify_bulletproof_circuit_view
struct	purify_bulletproof_assignment_view

Typedefs
typedef struct purify_bppp_backend_resources	purify_bppp_backend_resources
typedef struct purify_bulletproof_row_view	purify_bulletproof_row_view
typedef struct purify_bulletproof_circuit_view	purify_bulletproof_circuit_view
typedef struct purify_bulletproof_assignment_view	purify_bulletproof_assignment_view
typedef struct purify_bulletproof_backend_resources	purify_bulletproof_backend_resources

Functions
size_t	purify_bppp_required_proof_size (size_t n_vec_len, size_t c_vec_len)
	Computes the maximum serialized size of a BPPP norm proof.
int	purify_bppp_base_generator (purify_secp_context *context, unsigned char out33[33])
	Serializes the secp256k1 base generator into compressed form.
int	purify_bppp_value_generator_h (purify_secp_context *context, unsigned char out33[33])
	Serializes the alternate value generator used by Pedersen commitments.
int	purify_bppp_create_generators (purify_secp_context context, size_t count, unsigned char out, size_t *out_len)
	Expands the generator list required by the BPPP prover and verifier.
purify_bppp_backend_resources *	purify_bppp_backend_resources_create (purify_secp_context context, const unsigned char generators33, size_t generators_count)
purify_bppp_backend_resources *	purify_bppp_backend_resources_clone (const purify_bppp_backend_resources *resources)
void	purify_bppp_backend_resources_destroy (purify_bppp_backend_resources *resources)
int	purify_bppp_commit_norm_arg (purify_secp_context context, const unsigned char rho32[32], const unsigned char generators33, size_t generators_count, const unsigned char n_vec32, size_t n_vec_len, const unsigned char l_vec32, size_t l_vec_len, const unsigned char *c_vec32, size_t c_vec_len, unsigned char commitment_out33[33])
int	purify_bppp_commit_norm_arg_with_resources (purify_bppp_backend_resources resources, const unsigned char rho32[32], const unsigned char n_vec32, size_t n_vec_len, const unsigned char l_vec32, size_t l_vec_len, const unsigned char c_vec32, size_t c_vec_len, unsigned char commitment_out33[33])
int	purify_bppp_commit_witness_only (purify_secp_context context, const unsigned char generators33, size_t generators_count, const unsigned char n_vec32, size_t n_vec_len, const unsigned char l_vec32, size_t l_vec_len, unsigned char commitment_out33[33])
int	purify_bppp_commit_witness_only_with_resources (purify_bppp_backend_resources resources, const unsigned char n_vec32, size_t n_vec_len, const unsigned char *l_vec32, size_t l_vec_len, unsigned char commitment_out33[33])
int	purify_bppp_offset_commitment (purify_secp_context *context, const unsigned char commitment33[33], const unsigned char scalar32[32], unsigned char commitment_out33[33])
int	purify_point_scale (purify_secp_context *context, const unsigned char point33[33], const unsigned char scalar32[32], unsigned char out33[33])
int	purify_point_add (purify_secp_context *context, const unsigned char lhs33[33], const unsigned char rhs33[33], unsigned char out33[33])
int	purify_pedersen_commit_char (purify_secp_context *context, const unsigned char blind32[32], const unsigned char value32[32], const unsigned char value_gen33[33], const unsigned char blind_gen33[33], unsigned char commitment_out33[33])
	Computes a Pedersen commitment to an arbitrary 32-byte scalar value.
int	purify_bppp_prove_norm_arg (purify_secp_context context, const unsigned char rho32[32], const unsigned char generators33, size_t generators_count, const unsigned char n_vec32, size_t n_vec_len, const unsigned char l_vec32, size_t l_vec_len, const unsigned char c_vec32, size_t c_vec_len, unsigned char commitment_out33[33], unsigned char proof_out, size_t *proof_len)
	Produces a standalone BPPP norm argument.
int	purify_bppp_prove_norm_arg_with_resources (purify_bppp_backend_resources resources, const unsigned char rho32[32], const unsigned char n_vec32, size_t n_vec_len, const unsigned char l_vec32, size_t l_vec_len, const unsigned char c_vec32, size_t c_vec_len, unsigned char commitment_out33[33], unsigned char proof_out, size_t proof_len)
int	purify_bppp_prove_norm_arg_to_commitment (purify_secp_context context, const unsigned char rho32[32], const unsigned char generators33, size_t generators_count, const unsigned char n_vec32, size_t n_vec_len, const unsigned char l_vec32, size_t l_vec_len, const unsigned char c_vec32, size_t c_vec_len, const unsigned char commitment33[33], unsigned char proof_out, size_t *proof_len)
int	purify_bppp_prove_norm_arg_to_commitment_with_resources (purify_bppp_backend_resources resources, const unsigned char rho32[32], const unsigned char n_vec32, size_t n_vec_len, const unsigned char l_vec32, size_t l_vec_len, const unsigned char c_vec32, size_t c_vec_len, const unsigned char commitment33[33], unsigned char proof_out, size_t proof_len)
int	purify_bppp_verify_norm_arg (purify_secp_context context, const unsigned char rho32[32], const unsigned char generators33, size_t generators_count, const unsigned char c_vec32, size_t c_vec_len, size_t n_vec_len, const unsigned char commitment33[33], const unsigned char proof, size_t proof_len)
	Verifies a standalone BPPP norm argument.
int	purify_bppp_verify_norm_arg_with_resources (purify_bppp_backend_resources resources, const unsigned char rho32[32], const unsigned char c_vec32, size_t c_vec_len, size_t n_vec_len, const unsigned char commitment33[33], const unsigned char *proof, size_t proof_len)
size_t	purify_bulletproof_required_proof_size (size_t n_gates)
purify_bulletproof_backend_resources *	purify_bulletproof_backend_resources_create (purify_secp_context *context, size_t n_gates)
purify_bulletproof_backend_resources *	purify_bulletproof_backend_resources_clone (const purify_bulletproof_backend_resources *resources)
void	purify_bulletproof_backend_resources_destroy (purify_bulletproof_backend_resources *resources)
int	purify_bulletproof_prove_circuit (purify_secp_context context, const purify_bulletproof_circuit_view circuit, const purify_bulletproof_assignment_view assignment, const unsigned char blind32, const unsigned char value_gen33[33], const unsigned char nonce32[32], const unsigned char extra_commit, size_t extra_commit_len, unsigned char commitment_out33[33], unsigned char proof_out, size_t *proof_len)
int	purify_bulletproof_prove_circuit_with_resources (purify_bulletproof_backend_resources resources, const purify_bulletproof_circuit_view circuit, const purify_bulletproof_assignment_view assignment, const unsigned char blind32, const unsigned char value_gen33[33], const unsigned char nonce32[32], const unsigned char extra_commit, size_t extra_commit_len, unsigned char commitment_out33[33], unsigned char proof_out, size_t *proof_len)
int	purify_bulletproof_prove_circuit_assume_valid (purify_secp_context context, const purify_bulletproof_circuit_view circuit, const purify_bulletproof_assignment_view assignment, const unsigned char blind32, const unsigned char value_gen33[33], const unsigned char nonce32[32], const unsigned char extra_commit, size_t extra_commit_len, unsigned char commitment_out33[33], unsigned char proof_out, size_t *proof_len)
int	purify_bulletproof_prove_circuit_assume_valid_with_resources (purify_bulletproof_backend_resources resources, const purify_bulletproof_circuit_view circuit, const purify_bulletproof_assignment_view assignment, const unsigned char blind32, const unsigned char value_gen33[33], const unsigned char nonce32[32], const unsigned char extra_commit, size_t extra_commit_len, unsigned char commitment_out33[33], unsigned char proof_out, size_t *proof_len)
int	purify_bulletproof_verify_circuit (purify_secp_context context, const purify_bulletproof_circuit_view circuit, const unsigned char commitment33[33], const unsigned char value_gen33[33], const unsigned char extra_commit, size_t extra_commit_len, const unsigned char proof, size_t proof_len)
int	purify_bulletproof_verify_circuit_with_resources (purify_bulletproof_backend_resources resources, const purify_bulletproof_circuit_view circuit, const unsigned char commitment33[33], const unsigned char value_gen33[33], const unsigned char extra_commit, size_t extra_commit_len, const unsigned char proof, size_t proof_len)

Typedef Documentation

◆ purify_bppp_backend_resources

typedef struct purify_bppp_backend_resources purify_bppp_backend_resources

Definition at line 20 of file bppp_bridge.h.

◆ purify_bulletproof_assignment_view

typedef struct purify_bulletproof_assignment_view purify_bulletproof_assignment_view

◆ purify_bulletproof_backend_resources

typedef struct purify_bulletproof_backend_resources purify_bulletproof_backend_resources

Definition at line 189 of file bppp_bridge.h.

◆ purify_bulletproof_circuit_view

typedef struct purify_bulletproof_circuit_view purify_bulletproof_circuit_view

◆ purify_bulletproof_row_view

typedef struct purify_bulletproof_row_view purify_bulletproof_row_view

Function Documentation

◆ purify_bppp_backend_resources_clone()

purify_bppp_backend_resources * purify_bppp_backend_resources_clone ( const purify_bppp_backend_resources * resources )

Definition at line 427 of file bppp_bridge.c.

References purify_bppp_backend_resources::ctx, purify_bppp_backend_resources::generators_count, purify_bppp_backend_resources::gens, purify_bppp_backend_resources::gens_scratch, purify_bppp_backend_resources_destroy(), purify_bppp_generators_clone(), purify_bridge_checked_mul_size(), purify_malloc_array(), and purify_bppp_backend_resources::scratch.

Referenced by purify::bppp::ExperimentalCircuitCache::clone_line_for_thread().

◆ purify_bppp_backend_resources_create()

purify_bppp_backend_resources * purify_bppp_backend_resources_create	(	purify_secp_context *	context,
		const unsigned char *	generators33,
		size_t	generators_count )

Definition at line 383 of file bppp_bridge.c.

References purify_bppp_backend_resources::ctx, purify_bppp_backend_resources::generators_count, purify_bppp_backend_resources::gens, purify_bppp_backend_resources::gens_scratch, purify_bppp_backend_resources_destroy(), purify_bridge_checked_mul_size(), purify_context_handle(), purify_malloc_array(), and purify_bppp_backend_resources::scratch.

◆ purify_bppp_backend_resources_destroy()

void purify_bppp_backend_resources_destroy ( purify_bppp_backend_resources * resources )

Definition at line 465 of file bppp_bridge.c.

References purify_bppp_backend_resources::ctx, purify_bppp_backend_resources::gens, purify_bppp_backend_resources::gens_scratch, and purify_bppp_backend_resources::scratch.

Referenced by purify::bppp::BpppBackendResourcesDeleter::operator()(), purify_bppp_backend_resources_clone(), and purify_bppp_backend_resources_create().

◆ purify_bppp_base_generator()

int purify_bppp_base_generator	(	purify_secp_context *	context,
		unsigned char	out33[33] )

Definition at line 1618 of file bppp_bridge.c.

References purify_context_handle().

Referenced by purify::bppp::base_generator().

◆ purify_bppp_commit_norm_arg()

int purify_bppp_commit_norm_arg	(	purify_secp_context *	context,
		const unsigned char	rho32[32],
		const unsigned char *	generators33,
		size_t	generators_count,
		const unsigned char *	n_vec32,
		size_t	n_vec_len,
		const unsigned char *	l_vec32,
		size_t	l_vec_len,
		const unsigned char *	c_vec32,
		size_t	c_vec_len,
		unsigned char	commitment_out33[33] )

Definition at line 1769 of file bppp_bridge.c.

References purify_bppp_commit_norm_arg_impl().

Referenced by purify::bppp::commit_norm_arg_with_cache().

◆ purify_bppp_commit_norm_arg_with_resources()

int purify_bppp_commit_norm_arg_with_resources	(	purify_bppp_backend_resources *	resources,
		const unsigned char	rho32[32],
		const unsigned char *	n_vec32,
		size_t	n_vec_len,
		const unsigned char *	l_vec32,
		size_t	l_vec_len,
		const unsigned char *	c_vec32,
		size_t	c_vec_len,
		unsigned char	commitment_out33[33] )

Definition at line 1778 of file bppp_bridge.c.

References purify_bppp_backend_resources::generators_count, and purify_bppp_commit_norm_arg_impl().

Referenced by purify::bppp::commit_norm_arg_with_cache().

◆ purify_bppp_commit_witness_only()

int purify_bppp_commit_witness_only	(	purify_secp_context *	context,
		const unsigned char *	generators33,
		size_t	generators_count,
		const unsigned char *	n_vec32,
		size_t	n_vec_len,
		const unsigned char *	l_vec32,
		size_t	l_vec_len,
		unsigned char	commitment_out33[33] )

Definition at line 1860 of file bppp_bridge.c.

References purify_bppp_commit_witness_only_impl().

◆ purify_bppp_commit_witness_only_with_resources()

int purify_bppp_commit_witness_only_with_resources	(	purify_bppp_backend_resources *	resources,
		const unsigned char *	n_vec32,
		size_t	n_vec_len,
		const unsigned char *	l_vec32,
		size_t	l_vec_len,
		unsigned char	commitment_out33[33] )

Definition at line 1868 of file bppp_bridge.c.

References purify_bppp_backend_resources::generators_count, and purify_bppp_commit_witness_only_impl().

◆ purify_bppp_create_generators()

int purify_bppp_create_generators	(	purify_secp_context *	context,
		size_t	count,
		unsigned char *	out,
		size_t *	out_len )

Parameters

count	Number of generators requested.
out	Output buffer for count compressed points.
out_len	In/out serialized byte length.

Returns: Nonzero on success.

Definition at line 1643 of file bppp_bridge.c.

References purify_bridge_checked_mul_size(), and purify_context_handle().

Referenced by purify::bppp::create_generators().

◆ purify_bppp_offset_commitment()

int purify_bppp_offset_commitment	(	purify_secp_context *	context,
		const unsigned char	commitment33[33],
		const unsigned char	scalar32[32],
		unsigned char	commitment_out33[33] )

Definition at line 1877 of file bppp_bridge.c.

References purify_context_handle(), purify_parse_point_as_ge(), purify_parse_scalar(), and purify_serialize_point().

Referenced by purify::accountable::reconstruct_nonce().

◆ purify_bppp_prove_norm_arg()

int purify_bppp_prove_norm_arg	(	purify_secp_context *	context,
		const unsigned char	rho32[32],
		const unsigned char *	generators33,
		size_t	generators_count,
		const unsigned char *	n_vec32,
		size_t	n_vec_len,
		const unsigned char *	l_vec32,
		size_t	l_vec_len,
		const unsigned char *	c_vec32,
		size_t	c_vec_len,
		unsigned char	commitment_out33[33],
		unsigned char *	proof_out,
		size_t *	proof_len )

Parameters

rho32	Fiat-Shamir seed.
generators33	Serialized generator list.
generators_count	Number of generators in generators33.
n_vec32	Serialized n vector.
n_vec_len	Length of the n vector.
l_vec32	Serialized l vector.
l_vec_len	Length of the l vector.
c_vec32	Serialized c vector.
c_vec_len	Length of the c vector.
commitment_out33	Commitment output used by the proof.
proof_out	Output buffer for the serialized proof.
proof_len	In/out proof buffer length.

Returns: Nonzero on success.

Definition at line 2044 of file bppp_bridge.c.

References purify_bppp_prove_norm_arg_impl().

◆ purify_bppp_prove_norm_arg_to_commitment()

int purify_bppp_prove_norm_arg_to_commitment	(	purify_secp_context *	context,
		const unsigned char	rho32[32],
		const unsigned char *	generators33,
		size_t	generators_count,
		const unsigned char *	n_vec32,
		size_t	n_vec_len,
		const unsigned char *	l_vec32,
		size_t	l_vec_len,
		const unsigned char *	c_vec32,
		size_t	c_vec_len,
		const unsigned char	commitment33[33],
		unsigned char *	proof_out,
		size_t *	proof_len )

Definition at line 2162 of file bppp_bridge.c.

References purify_bppp_prove_norm_arg_to_commitment_impl().

Referenced by purify::bppp::prove_norm_arg_to_commitment_with_cache().

◆ purify_bppp_prove_norm_arg_to_commitment_with_resources()

int purify_bppp_prove_norm_arg_to_commitment_with_resources	(	purify_bppp_backend_resources *	resources,
		const unsigned char	rho32[32],
		const unsigned char *	n_vec32,
		size_t	n_vec_len,
		const unsigned char *	l_vec32,
		size_t	l_vec_len,
		const unsigned char *	c_vec32,
		size_t	c_vec_len,
		const unsigned char	commitment33[33],
		unsigned char *	proof_out,
		size_t *	proof_len )

Definition at line 2172 of file bppp_bridge.c.

References purify_bppp_backend_resources::generators_count, and purify_bppp_prove_norm_arg_to_commitment_impl().

Referenced by purify::bppp::prove_norm_arg_to_commitment_with_cache().

◆ purify_bppp_prove_norm_arg_with_resources()

int purify_bppp_prove_norm_arg_with_resources	(	purify_bppp_backend_resources *	resources,
		const unsigned char	rho32[32],
		const unsigned char *	n_vec32,
		size_t	n_vec_len,
		const unsigned char *	l_vec32,
		size_t	l_vec_len,
		const unsigned char *	c_vec32,
		size_t	c_vec_len,
		unsigned char	commitment_out33[33],
		unsigned char *	proof_out,
		size_t *	proof_len )

Definition at line 2054 of file bppp_bridge.c.

References purify_bppp_backend_resources::generators_count, and purify_bppp_prove_norm_arg_impl().

◆ purify_bppp_required_proof_size()

size_t purify_bppp_required_proof_size	(	size_t	n_vec_len,
		size_t	c_vec_len )

Parameters

n_vec_len	Length of the n vector.
c_vec_len	Length of the c vector.

Returns: Required output buffer size in bytes.

Definition at line 1603 of file bppp_bridge.c.

References purify_bridge_checked_add_size(), and purify_bridge_checked_mul_size().

Referenced by purify::bppp::prove_norm_arg_to_commitment_with_cache(), purify_bppp_prove_norm_arg_impl(), and purify_bppp_prove_norm_arg_to_commitment_impl().

◆ purify_bppp_value_generator_h()

int purify_bppp_value_generator_h	(	purify_secp_context *	context,
		unsigned char	out33[33] )

Definition at line 1632 of file bppp_bridge.c.

References purify_context_handle().

Referenced by purify::bppp::value_generator_h().

◆ purify_bppp_verify_norm_arg()

int purify_bppp_verify_norm_arg	(	purify_secp_context *	context,
		const unsigned char	rho32[32],
		const unsigned char *	generators33,
		size_t	generators_count,
		const unsigned char *	c_vec32,
		size_t	c_vec_len,
		size_t	n_vec_len,
		const unsigned char	commitment33[33],
		const unsigned char *	proof,
		size_t	proof_len )

Parameters

rho32	Fiat-Shamir seed.
generators33	Serialized generator list.
generators_count	Number of generators in generators33.
c_vec32	Serialized c vector.
c_vec_len	Length of the c vector.
n_vec_len	Length of the hidden n vector.
commitment33	Serialized compressed commitment point.
proof	Serialized proof bytes.
proof_len	Proof length in bytes.

Returns: Nonzero on success.

Definition at line 2247 of file bppp_bridge.c.

References purify_bppp_verify_norm_arg_impl().

Referenced by purify::bppp::verify_norm_arg_with_cache().

◆ purify_bppp_verify_norm_arg_with_resources()

int purify_bppp_verify_norm_arg_with_resources	(	purify_bppp_backend_resources *	resources,
		const unsigned char	rho32[32],
		const unsigned char *	c_vec32,
		size_t	c_vec_len,
		size_t	n_vec_len,
		const unsigned char	commitment33[33],
		const unsigned char *	proof,
		size_t	proof_len )

Definition at line 2255 of file bppp_bridge.c.

References purify_bppp_backend_resources::generators_count, and purify_bppp_verify_norm_arg_impl().

Referenced by purify::bppp::verify_norm_arg_with_cache().

◆ purify_bulletproof_backend_resources_clone()

purify_bulletproof_backend_resources * purify_bulletproof_backend_resources_clone ( const purify_bulletproof_backend_resources * resources )

Definition at line 339 of file bppp_bridge.c.

References purify_bulletproof_backend_resources::ctx, purify_bulletproof_backend_resources::gens, secp256k1_bulletproof_generators::n, purify_bulletproof_backend_resources::n_gates, purify_bridge_checked_mul_size(), purify_bulletproof_backend_resources_destroy(), purify_bulletproof_backend_resources::scratch, purify_bulletproof_backend_resources::scratch_capacity, and secp256k1_bulletproof_generators_create().

Referenced by purify::ExperimentalBulletproofBackendCache::clone_for_thread().

◆ purify_bulletproof_backend_resources_create()

purify_bulletproof_backend_resources * purify_bulletproof_backend_resources_create	(	purify_secp_context *	context,
		size_t	n_gates )

Definition at line 302 of file bppp_bridge.c.

References purify_bulletproof_backend_resources::ctx, purify_bulletproof_backend_resources::gens, secp256k1_bulletproof_generators::n, purify_bulletproof_backend_resources::n_gates, purify_bridge_checked_mul_size(), purify_bulletproof_backend_resources_destroy(), purify_bulletproof_msm_scratch_size, purify_context_handle(), purify_bulletproof_backend_resources::scratch, purify_bulletproof_backend_resources::scratch_capacity, and secp256k1_bulletproof_generators_create().

Referenced by purify::ExperimentalBulletproofBackendCache::get_or_create(), main(), purify_bulletproof_prove_circuit_impl(), and purify_bulletproof_verify_circuit_impl().

◆ purify_bulletproof_backend_resources_destroy()

void purify_bulletproof_backend_resources_destroy ( purify_bulletproof_backend_resources * resources )

Definition at line 370 of file bppp_bridge.c.

References purify_bulletproof_backend_resources::ctx, purify_bulletproof_backend_resources::gens, purify_bulletproof_backend_resources::scratch, and secp256k1_bulletproof_generators_destroy().

Referenced by main(), purify::BulletproofBackendResourceDeleter::operator()(), purify_bulletproof_backend_resources_clone(), purify_bulletproof_backend_resources_create(), purify_bulletproof_prove_circuit_impl(), and purify_bulletproof_verify_circuit_impl().

◆ purify_bulletproof_prove_circuit()

int purify_bulletproof_prove_circuit	(	purify_secp_context *	context,
		const purify_bulletproof_circuit_view *	circuit,
		const purify_bulletproof_assignment_view *	assignment,
		const unsigned char *	blind32,
		const unsigned char	value_gen33[33],
		const unsigned char	nonce32[32],
		const unsigned char *	extra_commit,
		size_t	extra_commit_len,
		unsigned char	commitment_out33[33],
		unsigned char *	proof_out,
		size_t *	proof_len )

Definition at line 1322 of file bppp_bridge.c.

References purify_bulletproof_prove_circuit_impl().

◆ purify_bulletproof_prove_circuit_assume_valid()

int purify_bulletproof_prove_circuit_assume_valid	(	purify_secp_context *	context,
		const purify_bulletproof_circuit_view *	circuit,
		const purify_bulletproof_assignment_view *	assignment,
		const unsigned char *	blind32,
		const unsigned char	value_gen33[33],
		const unsigned char	nonce32[32],
		const unsigned char *	extra_commit,
		size_t	extra_commit_len,
		unsigned char	commitment_out33[33],
		unsigned char *	proof_out,
		size_t *	proof_len )

Definition at line 1354 of file bppp_bridge.c.

References purify_bulletproof_prove_circuit_impl().

◆ purify_bulletproof_prove_circuit_assume_valid_with_resources()

int purify_bulletproof_prove_circuit_assume_valid_with_resources	(	purify_bulletproof_backend_resources *	resources,
		const purify_bulletproof_circuit_view *	circuit,
		const purify_bulletproof_assignment_view *	assignment,
		const unsigned char *	blind32,
		const unsigned char	value_gen33[33],
		const unsigned char	nonce32[32],
		const unsigned char *	extra_commit,
		size_t	extra_commit_len,
		unsigned char	commitment_out33[33],
		unsigned char *	proof_out,
		size_t *	proof_len )

Definition at line 1370 of file bppp_bridge.c.

References purify_bulletproof_prove_circuit_impl().

◆ purify_bulletproof_prove_circuit_with_resources()

int purify_bulletproof_prove_circuit_with_resources	(	purify_bulletproof_backend_resources *	resources,
		const purify_bulletproof_circuit_view *	circuit,
		const purify_bulletproof_assignment_view *	assignment,
		const unsigned char *	blind32,
		const unsigned char	value_gen33[33],
		const unsigned char	nonce32[32],
		const unsigned char *	extra_commit,
		size_t	extra_commit_len,
		unsigned char	commitment_out33[33],
		unsigned char *	proof_out,
		size_t *	proof_len )

Definition at line 1338 of file bppp_bridge.c.

References purify_bulletproof_prove_circuit_impl().

◆ purify_bulletproof_required_proof_size()

size_t purify_bulletproof_required_proof_size ( size_t n_gates )

Definition at line 1190 of file bppp_bridge.c.

References purify_bridge_checked_add_size(), and secp256k1_bulletproof_innerproduct_proof_length().

◆ purify_bulletproof_verify_circuit()

int purify_bulletproof_verify_circuit	(	purify_secp_context *	context,
		const purify_bulletproof_circuit_view *	circuit,
		const unsigned char	commitment33[33],
		const unsigned char	value_gen33[33],
		const unsigned char *	extra_commit,
		size_t	extra_commit_len,
		const unsigned char *	proof,
		size_t	proof_len )

Definition at line 1396 of file bppp_bridge.c.

References purify_bulletproof_verify_circuit_impl().

Referenced by purify::verify_experimental_circuit(), and purify::verify_experimental_circuit().

◆ purify_bulletproof_verify_circuit_with_resources()

int purify_bulletproof_verify_circuit_with_resources	(	purify_bulletproof_backend_resources *	resources,
		const purify_bulletproof_circuit_view *	circuit,
		const unsigned char	commitment33[33],
		const unsigned char	value_gen33[33],
		const unsigned char *	extra_commit,
		size_t	extra_commit_len,
		const unsigned char *	proof,
		size_t	proof_len )

Definition at line 1503 of file bppp_bridge.c.

References purify_bulletproof_verify_circuit_impl().

Referenced by purify::verify_experimental_circuit(), and purify::verify_experimental_circuit().

◆ purify_pedersen_commit_char()

int purify_pedersen_commit_char	(	purify_secp_context *	context,
		const unsigned char	blind32[32],
		const unsigned char	value32[32],
		const unsigned char	value_gen33[33],
		const unsigned char	blind_gen33[33],
		unsigned char	commitment_out33[33] )

Parameters

blind32	Blinding factor in big-endian scalar form.
value32	Committed value in big-endian scalar form.
value_gen33	Compressed generator for the value term.
blind_gen33	Compressed generator for the blind term.
commitment_out33	Serialized compressed commitment output.

Returns: Nonzero on success.

Definition at line 1669 of file bppp_bridge.c.

References purify_context_handle(), purify_parse_scalar(), and purify_serialize_point().

Referenced by purify::bppp::pedersen_commit_char().

◆ purify_point_add()

int purify_point_add	(	purify_secp_context *	context,
		const unsigned char	lhs33[33],
		const unsigned char	rhs33[33],
		unsigned char	out33[33] )

Definition at line 1929 of file bppp_bridge.c.

References purify_context_handle(), purify_parse_point_as_ge(), and purify_serialize_point().

Referenced by purify::accountable::SigningRoster::aggregate().

◆ purify_point_scale()

int purify_point_scale	(	purify_secp_context *	context,
		const unsigned char	point33[33],
		const unsigned char	scalar32[32],
		unsigned char	out33[33] )

Definition at line 1904 of file bppp_bridge.c.

References purify_context_handle(), purify_parse_point_as_ge(), purify_parse_scalar(), and purify_serialize_point().

Referenced by purify::accountable::SigningRoster::aggregate(), purify::accountable::reconstruct_nonce(), and purify::accountable::recover_same_slot_key().

Data Structures

Typedefs

Functions

Typedef Documentation

◆ purify_bppp_backend_resources

◆ purify_bulletproof_assignment_view

◆ purify_bulletproof_backend_resources

◆ purify_bulletproof_circuit_view

◆ purify_bulletproof_row_view

Function Documentation

◆ purify_bppp_backend_resources_clone()

◆ purify_bppp_backend_resources_create()

◆ purify_bppp_backend_resources_destroy()

◆ purify_bppp_base_generator()

◆ purify_bppp_commit_norm_arg()

◆ purify_bppp_commit_norm_arg_with_resources()

◆ purify_bppp_commit_witness_only()

◆ purify_bppp_commit_witness_only_with_resources()

◆ purify_bppp_create_generators()

◆ purify_bppp_offset_commitment()

◆ purify_bppp_prove_norm_arg()

◆ purify_bppp_prove_norm_arg_to_commitment()

◆ purify_bppp_prove_norm_arg_to_commitment_with_resources()

◆ purify_bppp_prove_norm_arg_with_resources()

◆ purify_bppp_required_proof_size()

◆ purify_bppp_value_generator_h()

◆ purify_bppp_verify_norm_arg()

◆ purify_bppp_verify_norm_arg_with_resources()

◆ purify_bulletproof_backend_resources_clone()

◆ purify_bulletproof_backend_resources_create()

◆ purify_bulletproof_backend_resources_destroy()

◆ purify_bulletproof_prove_circuit()

◆ purify_bulletproof_prove_circuit_assume_valid()

◆ purify_bulletproof_prove_circuit_assume_valid_with_resources()

◆ purify_bulletproof_prove_circuit_with_resources()

◆ purify_bulletproof_required_proof_size()

◆ purify_bulletproof_verify_circuit()

◆ purify_bulletproof_verify_circuit_with_resources()

◆ purify_pedersen_commit_char()

◆ purify_point_add()

◆ purify_point_scale()