pulp::runtime::BigInteger Class Reference

Arbitrary-precision unsigned integer backed by Mbed TLS MPI. More...

#include <big_integer.hpp>

Public Member Functions
	BigInteger ()
	BigInteger (uint64_t value)
	BigInteger (const BigInteger &other)
	BigInteger (BigInteger &&other) noexcept
	~BigInteger ()
BigInteger &	operator= (const BigInteger &other)
BigInteger &	operator= (BigInteger &&other) noexcept
std::string	to_string () const
	Convert to decimal string.
std::string	to_hex () const
	Convert to hex string.
bool	is_zero () const
	Whether this is zero.
size_t	bit_count () const
	Number of bits needed to represent this value.
BigInteger	operator+ (const BigInteger &other) const
	Arithmetic operations.
BigInteger	operator* (const BigInteger &other) const
BigInteger	operator% (const BigInteger &other) const
BigInteger	mod_pow (const BigInteger &exp, const BigInteger &modulus) const
	Modular exponentiation: (this^exp) mod modulus Used for RSA encrypt/decrypt.
bool	operator== (const BigInteger &other) const
	Comparison.
bool	operator!= (const BigInteger &other) const
bool	operator< (const BigInteger &other) const

Static Public Member Functions
static BigInteger	from_string (std::string_view decimal)
	Parse from decimal string.
static BigInteger	from_hex (std::string_view hex)
	Parse from hex string.

Detailed Description

Arbitrary-precision unsigned integer backed by Mbed TLS MPI.

Constructor & Destructor Documentation

BigInteger() [1/4]

pulp::runtime::BigInteger::BigInteger

(

)

BigInteger() [2/4]

pulp::runtime::BigInteger::BigInteger

(

uint64_t

value

)

BigInteger() [3/4]

pulp::runtime::BigInteger::BigInteger

(

const BigInteger &

other

)

BigInteger() [4/4]

pulp::runtime::BigInteger::BigInteger ( BigInteger && other )

noexcept

~BigInteger()

pulp::runtime::BigInteger::~BigInteger

(

)

Member Function Documentation

bit_count()

size_t pulp::runtime::BigInteger::bit_count

(

)

const

Number of bits needed to represent this value.

from_hex()

BigInteger pulp::runtime::BigInteger::from_hex ( std::string_view hex )

static

Parse from hex string.

from_string()

BigInteger pulp::runtime::BigInteger::from_string ( std::string_view decimal )

static

Parse from decimal string.

is_zero()

bool pulp::runtime::BigInteger::is_zero

(

)

const

Whether this is zero.

mod_pow()

BigInteger pulp::runtime::BigInteger::mod_pow	(	const BigInteger &	exp,
		const BigInteger &	modulus ) const

Modular exponentiation: (this^exp) mod modulus Used for RSA encrypt/decrypt.

operator!=()

bool pulp::runtime::BigInteger::operator!=

(

const BigInteger &

other

)

const

operator%()

BigInteger pulp::runtime::BigInteger::operator%

(

const BigInteger &

other

)

const

operator*()

BigInteger pulp::runtime::BigInteger::operator*

(

const BigInteger &

other

)

const

operator+()

BigInteger pulp::runtime::BigInteger::operator+

(

const BigInteger &

other

)

const

Arithmetic operations.

operator<()

bool pulp::runtime::BigInteger::operator<

(

const BigInteger &

other

)

const

operator=() [1/2]

BigInteger & pulp::runtime::BigInteger::operator= ( BigInteger && other )

noexcept

operator=() [2/2]

BigInteger & pulp::runtime::BigInteger::operator=

(

const BigInteger &

other

)

operator==()

bool pulp::runtime::BigInteger::operator==

(

const BigInteger &

other

)

const

Comparison.

to_hex()

std::string pulp::runtime::BigInteger::to_hex

(

)

const

Convert to hex string.

to_string()

std::string pulp::runtime::BigInteger::to_string

(

)

const

Convert to decimal string.

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

• /home/runner/work/pulp/pulp/core/runtime/include/pulp/runtime/big_integer.hpp