libzerocoin::PrivateCoin Class Reference

A private coin. More...

#include <Coin.h>

Collaboration diagram for libzerocoin::PrivateCoin:

Public Member Functions
template<typename Stream >
	PrivateCoin (const Params *p, Stream &strm)
	PrivateCoin (const Params *p, const CoinDenomination denomination)
PublicCoin	getPublicCoin () const
Bignum	getSerialNumber () const
Bignum	getRandomness () const
void	mintCoin (const CoinDenomination denomination)
	Mint a new coin. More...
void	mintCoinFast (const CoinDenomination denomination)
	Mint a new coin using a faster process. More...

Public Attributes
IMPLEMENT_SERIALIZE(READWRITE(publicCoin);READWRITE(randomness);READWRITE(serialNumber);) private PublicCoin	publicCoin
Bignum	randomness
Bignum	serialNumber

Detailed Description

A private coin.

As the name implies, the content of this should stay private except PublicCoin.

Contains a coin's serial number, a commitment to it, and opening randomness for the commitment.

Warning

Failure to keep this secret(or safe),

will result in the theft of your coins

and a TOTAL loss of anonymity.

Definition at line 129 of file Coin.h.

Constructor & Destructor Documentation

template<typename Stream >

libzerocoin::PrivateCoin::PrivateCoin ( const Params *  p, Stream &  strm  )

inline

Definition at line 132 of file Coin.h.

libzerocoin::PrivateCoin::PrivateCoin	(	const Params *	p,
		const CoinDenomination	denomination
	)

Definition at line 54 of file Coin.cpp.

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Member Function Documentation

PublicCoin libzerocoin::PrivateCoin::getPublicCoin

(

)

const

Definition at line 166 of file Coin.cpp.

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Bignum libzerocoin::PrivateCoin::getRandomness

(

)

const

Definition at line 80 of file Coin.cpp.

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Bignum libzerocoin::PrivateCoin::getSerialNumber

(

)

const

Returns

the coins serial number

Definition at line 76 of file Coin.cpp.

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void libzerocoin::PrivateCoin::mintCoin

(

const CoinDenomination

denomination

)

Mint a new coin.

Parameters

denomination

the denomination of the coin to mint

Exceptions

ZerocoinException

if the process takes too long

Generates a new Zerocoin by (a) selecting a random serial number, (b) committing to this serial number and repeating until the resulting commitment is prime. Stores the resulting commitment (coin) and randomness (trapdoor).

Definition at line 84 of file Coin.cpp.

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void libzerocoin::PrivateCoin::mintCoinFast

(

const CoinDenomination

denomination

)

Mint a new coin using a faster process.

Parameters

denomination

the denomination of the coin to mint

Exceptions

ZerocoinException

if the process takes too long

Generates a new Zerocoin by (a) selecting a random serial number, (b) committing to this serial number and repeating until the resulting commitment is prime. Stores the resulting commitment (coin) and randomness (trapdoor). This routine is substantially faster than the mintCoin() routine, but could be more vulnerable to timing attacks. Don't use it if you think someone could be timing your coin minting.

Definition at line 117 of file Coin.cpp.

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Member Data Documentation

IMPLEMENT_SERIALIZE ( READWRITE(publicCoin); READWRITE(randomness); READWRITE(serialNumber); ) private PublicCoin libzerocoin::PrivateCoin::publicCoin

Definition at line 141 of file Coin.h.

Bignum libzerocoin::PrivateCoin::randomness

Definition at line 149 of file Coin.h.

Bignum libzerocoin::PrivateCoin::serialNumber

Definition at line 150 of file Coin.h.

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The documentation for this class was generated from the following files:

• src/zerocoin/Coin.h
• src/zerocoin/Coin.cpp