util.h File Reference

#include <limits.h>
#include <stdint.h>

Go to the source code of this file.

Functions
static SECP256K1_INLINE size_t	secp256k1_popcount_size_t (size_t n)
static SECP256K1_INLINE size_t	secp256k1_ctz_size_t (size_t n)
static SECP256K1_INLINE size_t	secp256k1_floor_lg (size_t n)
static void	secp256k1_scalar_dot_product (secp256k1_scalar *r, const secp256k1_scalar *a, const secp256k1_scalar *b, size_t n)
static void	secp256k1_scalar_inverse_all_var (secp256k1_scalar *r, const secp256k1_scalar *a, size_t len)
static SECP256K1_INLINE void	secp256k1_bulletproof_serialize_points (unsigned char *out, secp256k1_ge *pt, size_t n)
static SECP256K1_INLINE int	secp256k1_bulletproof_deserialize_point (secp256k1_ge *pt, const unsigned char *data, size_t i, size_t n)
static void	secp256k1_bulletproof_update_commit (unsigned char *commit, const secp256k1_ge *lpt, const secp256k1_ge *rpt)
static void	secp256k1_bulletproof_update_commit_n (unsigned char *commit, const secp256k1_ge *pt, size_t n)
static void	secp256k1_bulletproof_sha256_write_size (secp256k1_sha256 *sha256, size_t n)
static void	secp256k1_bulletproof_sha256_write_fast_scalar (secp256k1_sha256 *sha256, const secp256k1_fast_scalar *scal)
static void	secp256k1_bulletproof_sha256_write_row_family (secp256k1_sha256 *sha256, const secp256k1_bulletproof_wmatrix_row *rows, size_t n_rows)
static void	secp256k1_bulletproof_update_commit_circuit (unsigned char *commit, const secp256k1_bulletproof_circuit *circ)
static void	secp256k1_bulletproof_vector_commit (secp256k1_gej *r, const secp256k1_scalar *s, const secp256k1_ge *gen, size_t n, const secp256k1_scalar *blind, const secp256k1_ge *g)

Function Documentation

secp256k1_bulletproof_deserialize_point()

SECP256K1_INLINE int secp256k1_bulletproof_deserialize_point ( secp256k1_ge * pt, const unsigned char * data, size_t i, size_t n )

static

Definition at line 178 of file util.h.

Referenced by secp256k1_bulletproof_inner_product_verify_impl(), and secp256k1_bulletproof_relation66_verify_impl().

secp256k1_bulletproof_serialize_points()

SECP256K1_INLINE void secp256k1_bulletproof_serialize_points ( unsigned char * out, secp256k1_ge * pt, size_t n )

static

Definition at line 158 of file util.h.

Referenced by secp256k1_bulletproof_inner_product_prove_impl(), and secp256k1_bulletproof_relation66_prove_impl().

secp256k1_bulletproof_sha256_write_fast_scalar()

void secp256k1_bulletproof_sha256_write_fast_scalar ( secp256k1_sha256 * sha256, const secp256k1_fast_scalar * scal )

static

Definition at line 253 of file util.h.

References secp256k1_fast_scalar::scal.

Referenced by secp256k1_bulletproof_sha256_write_row_family(), and secp256k1_bulletproof_update_commit_circuit().

secp256k1_bulletproof_sha256_write_row_family()

void secp256k1_bulletproof_sha256_write_row_family ( secp256k1_sha256 * sha256, const secp256k1_bulletproof_wmatrix_row * rows, size_t n_rows )

static

Definition at line 259 of file util.h.

References secp256k1_bulletproof_sha256_write_fast_scalar(), secp256k1_bulletproof_sha256_write_size(), and secp256k1_bulletproof_wmatrix_row::size.

Referenced by secp256k1_bulletproof_update_commit_circuit().

secp256k1_bulletproof_sha256_write_size()

void secp256k1_bulletproof_sha256_write_size ( secp256k1_sha256 * sha256, size_t n )

static

Definition at line 243 of file util.h.

Referenced by secp256k1_bulletproof_sha256_write_row_family(), and secp256k1_bulletproof_update_commit_circuit().

secp256k1_bulletproof_update_commit()

void secp256k1_bulletproof_update_commit ( unsigned char * commit, const secp256k1_ge * lpt, const secp256k1_ge * rpt )

static

Definition at line 197 of file util.h.

Referenced by secp256k1_bulletproof_inner_product_real_prove_impl(), and secp256k1_bulletproof_inner_product_verify_impl().

secp256k1_bulletproof_update_commit_circuit()

void secp256k1_bulletproof_update_commit_circuit ( unsigned char * commit, const secp256k1_bulletproof_circuit * circ )

static

Definition at line 276 of file util.h.

References secp256k1_bulletproof_circuit::c, secp256k1_bulletproof_circuit::n_bits, secp256k1_bulletproof_circuit::n_commits, secp256k1_bulletproof_circuit::n_constraints, secp256k1_bulletproof_circuit::n_gates, secp256k1_bulletproof_sha256_write_fast_scalar(), secp256k1_bulletproof_sha256_write_row_family(), secp256k1_bulletproof_sha256_write_size(), secp256k1_bulletproof_circuit::wl, secp256k1_bulletproof_circuit::wo, secp256k1_bulletproof_circuit::wr, and secp256k1_bulletproof_circuit::wv.

Referenced by secp256k1_bulletproof_relation66_prove_impl(), and secp256k1_bulletproof_relation66_verify_impl().

secp256k1_bulletproof_update_commit_n()

void secp256k1_bulletproof_update_commit_n ( unsigned char * commit, const secp256k1_ge * pt, size_t n )

static

Definition at line 216 of file util.h.

Referenced by secp256k1_bulletproof_relation66_prove_impl(), and secp256k1_bulletproof_relation66_verify_impl().

secp256k1_bulletproof_vector_commit()

void secp256k1_bulletproof_vector_commit ( secp256k1_gej * r, const secp256k1_scalar * s, const secp256k1_ge * gen, size_t n, const secp256k1_scalar * blind, const secp256k1_ge * g )

static

Definition at line 308 of file util.h.

Referenced by secp256k1_bulletproof_relation66_prove_impl().

secp256k1_ctz_size_t()

SECP256K1_INLINE size_t secp256k1_ctz_size_t ( size_t n )

static

Definition at line 44 of file util.h.

secp256k1_floor_lg()

SECP256K1_INLINE size_t secp256k1_floor_lg ( size_t n )

static

Definition at line 85 of file util.h.

Referenced by purify_bulletproof_circuit_scratch_size(), secp256k1_bulletproof_inner_product_prove_impl(), secp256k1_bulletproof_inner_product_verify_impl(), and secp256k1_bulletproof_innerproduct_proof_length().

secp256k1_popcount_size_t()

SECP256K1_INLINE size_t secp256k1_popcount_size_t ( size_t n )

static

Definition at line 17 of file util.h.

secp256k1_scalar_dot_product()

void secp256k1_scalar_dot_product ( secp256k1_scalar * r, const secp256k1_scalar * a, const secp256k1_scalar * b, size_t n )

static

Definition at line 122 of file util.h.

Referenced by secp256k1_bulletproof_inner_product_prove_impl(), and secp256k1_bulletproof_inner_product_verify_impl().

secp256k1_scalar_inverse_all_var()

void secp256k1_scalar_inverse_all_var ( secp256k1_scalar * r, const secp256k1_scalar * a, size_t len )

static

Definition at line 131 of file util.h.