fc::ecc Namespace Reference

Namespaces
	detail

Classes
class	extended_private_key
class	extended_public_key
class	private_key
	an elliptic curve private key. More...
class	public_key
	contains only the public point of an elliptic curve key. More...
struct	range_proof_info

Typedefs
typedef fc::sha256	blind_factor_type
typedef zero_initialized_array< unsigned char, 33 >	commitment_type
typedef zero_initialized_array< unsigned char, 33 >	public_key_data
typedef fc::sha256	private_key_secret
typedef zero_initialized_array< unsigned char, 65 >	public_key_point_data
	the full non-compressed version of the ECC point More...
typedef zero_initialized_array< unsigned char, 72 >	signature
typedef zero_initialized_array< unsigned char, 65 >	compact_signature
typedef std::vector< char >	range_proof_type
typedef zero_initialized_array< unsigned char, 78 >	extended_key_data

Functions
commitment_type	blind (const blind_factor_type &blind, uint64_t value)
blind_factor_type	blind_sum (const std::vector< blind_factor_type > &blinds, uint32_t non_neg)
bool	verify_sum (const std::vector< commitment_type > &commits, const std::vector< commitment_type > &neg_commits, int64_t excess)
bool	verify_range (uint64_t &min_val, uint64_t &max_val, const commitment_type &commit, const range_proof_type &proof)
range_proof_type	range_proof_sign (uint64_t min_value, const commitment_type &commit, const blind_factor_type &commit_blind, const blind_factor_type &nonce, int8_t base10_exp, uint8_t min_bits, uint64_t actual_value)
bool	verify_range_proof_rewind (blind_factor_type &blind_out, uint64_t &value_out, string &message_out, const blind_factor_type &nonce, uint64_t &min_val, uint64_t &max_val, commitment_type commit, const range_proof_type &proof)
range_proof_info	range_get_info (const range_proof_type &proof)

Typedef Documentation

blind_factor_type

typedef fc::sha256 fc::ecc::blind_factor_type

Definition at line 21 of file elliptic.hpp.

commitment_type

typedef zero_initialized_array<unsigned char,33> fc::ecc::commitment_type

Definition at line 22 of file elliptic.hpp.

compact_signature

typedef zero_initialized_array<unsigned char,65> fc::ecc::compact_signature

Definition at line 27 of file elliptic.hpp.

extended_key_data

typedef zero_initialized_array<unsigned char,78> fc::ecc::extended_key_data

Definition at line 29 of file elliptic.hpp.

private_key_secret

typedef fc::sha256 fc::ecc::private_key_secret

Definition at line 24 of file elliptic.hpp.

public_key_data

typedef zero_initialized_array<unsigned char,33> fc::ecc::public_key_data

Definition at line 23 of file elliptic.hpp.

public_key_point_data

typedef zero_initialized_array<unsigned char,65> fc::ecc::public_key_point_data

the full non-compressed version of the ECC point

Definition at line 25 of file elliptic.hpp.

range_proof_type

typedef std::vector<char> fc::ecc::range_proof_type

Definition at line 28 of file elliptic.hpp.

signature

typedef zero_initialized_array<unsigned char,72> fc::ecc::signature

Definition at line 26 of file elliptic.hpp.

Function Documentation

blind()

commitment_type fc::ecc::blind	(	const blind_factor_type &	blind,
		uint64_t	value
	)

Definition at line 208 of file elliptic_secp256k1.cpp.

blind_sum()

blind_factor_type fc::ecc::blind_sum	(	const std::vector< blind_factor_type > &	blinds,
		uint32_t	non_neg
	)

Definition at line 215 of file elliptic_secp256k1.cpp.

range_get_info()

range_proof_info fc::ecc::range_get_info

(

const range_proof_type &

proof

)

Definition at line 291 of file elliptic_secp256k1.cpp.

range_proof_sign()

std::vector< char > fc::ecc::range_proof_sign	(	uint64_t	min_value,
		const commitment_type &	commit,
		const blind_factor_type &	commit_blind,
		const blind_factor_type &	nonce,
		int8_t	base10_exp,
		uint8_t	min_bits,
		uint64_t	actual_value
	)

Definition at line 240 of file elliptic_secp256k1.cpp.

verify_range()

bool fc::ecc::verify_range	(	uint64_t &	min_val,
		uint64_t &	max_val,
		const commitment_type &	commit,
		const range_proof_type &	proof
	)

Definition at line 235 of file elliptic_secp256k1.cpp.

verify_range_proof_rewind()

bool fc::ecc::verify_range_proof_rewind	(	blind_factor_type &	blind_out,
		uint64_t &	value_out,
		string &	message_out,
		const blind_factor_type &	nonce,
		uint64_t &	min_val,
		uint64_t &	max_val,
		commitment_type	commit,
		const range_proof_type &	proof
	)

Definition at line 264 of file elliptic_secp256k1.cpp.

verify_sum()

bool fc::ecc::verify_sum	(	const std::vector< commitment_type > &	commits_in,
		const std::vector< commitment_type > &	neg_commits_in,
		int64_t	excess
	)

verifies taht commnits + neg_commits + excess == 0

Definition at line 225 of file elliptic_secp256k1.cpp.