Represents an encrypted integer. More...

#include <Einteger.h>

Inheritance diagram for computefhe::Einteger:

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Collaboration diagram for computefhe::Einteger:

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Public Member Functions
	Einteger ()
	Default constructor. Initializes an empty or zero-valued encrypted integer.

	Einteger (int64_t d)
	Constructs an Einteger from a plaintext `int64_t`.

	Einteger (size_t n_digits, bool is_signed)
	Constructs an Einteger with a specified number of bits and signedness.

	Einteger (int64_t d, size_t n_digits)
	Constructs an Einteger from a plaintext `int64_t` with a specified number of bits.

	Einteger (uint64_t d, size_t n_digits)
	Constructs an Einteger from a plaintext `uint64_t` with a specified number of bits.

	Einteger (const FixedPoint &fp, bool is_signed)
	Constructs an Einteger from an existing `FixedPoint` object.

	Einteger (const Einteger &other)
	Copy constructor.

virtual	~Einteger ()
	Destructor.

const FixedPoint &	getData () const
	Gets the underlying `FixedPoint` data.

size_t	getSize () const
	Gets the number of bits used to represent the encrypted integer.

bool	isSigned () const
	Checks if the encrypted integer is signed.

virtual const Einteger	operator== (const Einteger &) const
	Encrypted equality comparison with another Einteger.

virtual const Einteger	operator!= (const Einteger &) const
	Encrypted inequality comparison with another Einteger.

virtual const Einteger	operator> (const Einteger &) const
	Encrypted greater-than comparison with another Einteger.

virtual const Einteger	operator>= (const Einteger &) const
	Encrypted greater-than-or-equal comparison with another Einteger.

virtual const Einteger	operator< (const Einteger &) const
	Encrypted less-than comparison with another Einteger.

virtual const Einteger	operator<= (const Einteger &) const
	Encrypted less-than-or-equal comparison with another Einteger.

virtual const Einteger	operator== (uint64_t) const
	Encrypted equality comparison with a plaintext `uint64_t`.

virtual const Einteger	operator!= (uint64_t) const
	Encrypted inequality comparison with a plaintext `uint64_t`.

virtual const Einteger	operator> (uint64_t) const
	Encrypted greater-than comparison with a plaintext `uint64_t`.

virtual const Einteger	operator>= (uint64_t) const
	Encrypted greater-than-or-equal comparison with a plaintext `uint64_t`.

virtual const Einteger	operator< (uint64_t) const
	Encrypted less-than comparison with a plaintext `uint64_t`.

virtual const Einteger	operator<= (uint64_t) const
	Encrypted less-than-or-equal comparison with a plaintext `uint64_t`.

virtual const Einteger	operator+ (const Einteger &) const
	Encrypted addition with another Einteger.

virtual const Einteger	operator+= (const Einteger &)
	Encrypted addition assignment with another Einteger.

virtual const Einteger	operator- (const Einteger &) const
	Encrypted subtraction with another Einteger.

virtual const Einteger	operator-= (const Einteger &)
	Encrypted subtraction assignment with another Einteger.

virtual const Einteger	operator* (const Einteger &) const
	Encrypted multiplication with another Einteger.

virtual const Einteger	operator*= (const Einteger &)
	Encrypted multiplication assignment with another Einteger.

virtual const Einteger	operator/ (const Einteger &) const
	Encrypted division with another Einteger.

virtual const Einteger	operator/= (const Einteger &)
	Encrypted division assignment with another Einteger.

virtual const Einteger	operator% (const Einteger &) const
	Encrypted modulo with another Einteger.

virtual const Einteger	operator%= (const Einteger &)
	Encrypted modulo assignment with another Einteger.

virtual const Einteger	operator+ (uint64_t) const
	Encrypted addition with a plaintext `uint64_t`.

virtual const Einteger	operator+= (uint64_t)
	Encrypted addition assignment with a plaintext `uint64_t`.

virtual const Einteger	operator- (uint64_t) const
	Encrypted subtraction with a plaintext `uint64_t`.

virtual const Einteger	operator-= (uint64_t)
	Encrypted subtraction assignment with a plaintext `uint64_t`.

virtual const Einteger	operator* (uint64_t) const
	Encrypted multiplication with a plaintext `uint64_t`.

virtual const Einteger	operator*= (uint64_t)
	Encrypted multiplication assignment with a plaintext `uint64_t`.

virtual const Einteger	operator/ (uint64_t) const
	Encrypted division with a plaintext `uint64_t`.

virtual const Einteger	operator/= (uint64_t)
	Encrypted division assignment with a plaintext `uint64_t`.

virtual const Einteger	operator% (uint64_t) const
	Encrypted modulo with a plaintext `uint64_t`.

virtual const Einteger	operator%= (uint64_t)
	Encrypted modulo assignment with a plaintext `uint64_t`.

const Einteger	operator- () const
	Encrypted unary negation (two's complement).

virtual const Einteger	operator& (const Einteger &) const
	Encrypted bitwise AND with another Einteger.

virtual const Einteger	operator&= (const Einteger &)
	Encrypted bitwise AND assignment with another Einteger.

virtual const Einteger	operator\| (const Einteger &) const
	Encrypted bitwise OR with another Einteger.

virtual const Einteger	operator\|= (const Einteger &)
	Encrypted bitwise OR assignment with another Einteger.

virtual const Einteger	operator^ (const Einteger &) const
	Encrypted bitwise XOR with another Einteger.

virtual const Einteger	operator^= (const Einteger &)
	Encrypted bitwise XOR assignment with another Einteger.

virtual const Einteger	operator& (uint64_t) const
	Encrypted bitwise AND with a plaintext `uint64_t`.

virtual const Einteger	operator&= (uint64_t)
	Encrypted bitwise AND assignment with a plaintext `uint64_t`.

virtual const Einteger	operator\| (uint64_t) const
	Encrypted bitwise OR with a plaintext `uint64_t`.

virtual const Einteger	operator\|= (uint64_t)
	Encrypted bitwise OR assignment with a plaintext `uint64_t`.

virtual const Einteger	operator^ (uint64_t) const
	Encrypted bitwise XOR with a plaintext `uint64_t`.

virtual const Einteger	operator^= (uint64_t)
	Encrypted bitwise XOR assignment with a plaintext `uint64_t`.

virtual const Einteger	operator! () const
	Encrypted logical NOT.

virtual const Einteger	operator~ () const
	Encrypted bitwise NOT (one's complement).

virtual const Einteger	operator&& (const Einteger &) const
	Encrypted logical AND with another Einteger.

virtual const Einteger	operator&& (uint64_t) const
	Encrypted logical AND with a plaintext `uint64_t`.

virtual const Einteger	operator\|\| (const Einteger &) const
	Encrypted logical OR with another Einteger.

virtual const Einteger	operator\|\| (uint64_t) const
	Encrypted logical OR with a plaintext `uint64_t`.

const Einteger	operator++ ()
	Pre-increment operator. Increments the encrypted integer by one.

const Einteger	operator++ (int)
	Post-increment operator. Increments the encrypted integer by one.

const Einteger	operator-- ()
	Pre-decrement operator. Decrements the encrypted integer by one.

const Einteger	operator-- (int)
	Post-decrement operator. Decrements the encrypted integer by one.

const Einteger	operator<< (int) const
	Encrypted left shift.

const Einteger	operator<<= (int)
	Encrypted left shift assignment.

const Einteger	operator>> (int) const
	Encrypted right shift.

const Einteger	operator>>= (int)
	Encrypted right shift assignment.

Einteger &	operator= (const Einteger &)
	Assignment operator from another Einteger.

Einteger &	operator= (uint64_t)
	Assignment operator from a plaintext `uint64_t`.

virtual	operator bool () const
	Explicit conversion to decrypted boolean.

virtual	operator int8_t () const
	Explicit conversion to decrypted `int8_t`.

virtual	operator uint8_t () const
	Explicit conversion to decrypted `uint8_t`.

virtual	operator int16_t () const
	Explicit conversion to decrypted `int16_t`.

virtual	operator uint16_t () const
	Explicit conversion to decrypted `uint16_t`.

virtual	operator int32_t () const
	Explicit conversion to decrypted `int32_t`.

virtual	operator uint32_t () const
	Explicit conversion to decrypted `uint32_t`.

virtual	operator int64_t () const
	Explicit conversion to decrypted `int64_t`.

virtual	operator uint64_t () const
	Explicit conversion to decrypted `uint64_t`.

virtual	operator double () const
	Explicit conversion to decrypted `double`.

template<class Archive >
void	save (Archive &ar, std::uint32_t const version) const

template<class Archive >
void	load (Archive &ar, std::uint32_t const version)

std::string	SerializedObjectName () const override

Static Public Member Functions
static FixedPoint	promote (const Einteger &a, size_t s)
	Promotes or truncates an Einteger to a specific bit size.

static uint32_t	SerializedVersion ()

Protected Member Functions
void	_sync_var ()

void	_desync_var ()

Static Protected Member Functions
static int64_t	sign_extend (uint64_t d, size_t n_digits)

static bool	promote (const Einteger &a, const Einteger &b, FixedPoint &a_out, FixedPoint &b_out)

Protected Attributes
FixedPoint	data

size_t	size

bool	sign

Static Protected Attributes
static FixedPoint	cached_divident

static FixedPoint	cached_divisor

static FixedPoint	cached_quotient

static FixedPoint	cached_remainder

Friends
ostream &	operator<< (ostream &out, const Einteger &obj)
	Overloads the stream insertion operator by decrypting `Einteger`.

const Einteger	operator== (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` equality comparison with Einteger.

const Einteger	operator!= (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` inequality comparison with Einteger.

const Einteger	operator> (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` greater-than comparison with Einteger.

const Einteger	operator>= (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` greater-than-or-equal comparison with Einteger.

const Einteger	operator< (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` less-than comparison with Einteger.

const Einteger	operator<= (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` less-than-or-equal comparison with Einteger.

const Einteger	operator+ (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` addition with Einteger.

const Einteger	operator- (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` subtraction with Einteger.

const Einteger	operator* (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` multiplication with Einteger.

const Einteger	operator/ (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` division with Einteger.

const Einteger	operator% (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` modulo with Einteger.

const Einteger	operator& (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` bitwise AND with Einteger.

const Einteger	operator\| (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` bitwise OR with Einteger.

const Einteger	operator^ (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` bitwise XOR with Einteger.

const Einteger	operator&& (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` logical AND with Einteger.

const Einteger	operator\|\| (uint64_t a, const Einteger &b)
	Friend operator for plaintext `uint64_t` logical OR with Einteger.

Detailed Description

Represents an encrypted integer.

This class provides a high-level interface for performing arithmetic, logical, and comparison operations on encrypted integer values.

Constructor & Destructor Documentation

◆ Einteger() [1/6]

computefhe::Einteger::Einteger ( int64_t d )

Constructs an Einteger from a plaintext int64_t.

Parameters

d	The plaintext integer value.

◆ Einteger() [2/6]

computefhe::Einteger::Einteger	(	size_t	n_digits,
		bool	is_signed
	)

Constructs an Einteger with a specified number of bits and signedness.

Parameters

n_digits	The number of bits for the integer.
is_signed	True if the integer is signed, false otherwise.

◆ Einteger() [3/6]

computefhe::Einteger::Einteger	(	int64_t	d,
		size_t	n_digits
	)

Constructs an Einteger from a plaintext int64_t with a specified number of bits.

Parameters

d	The plaintext integer value.
n_digits	The number of bits for the integer.

◆ Einteger() [4/6]

computefhe::Einteger::Einteger	(	uint64_t	d,
		size_t	n_digits
	)

Constructs an Einteger from a plaintext uint64_t with a specified number of bits.

Parameters

d	The plaintext unsigned integer value.
n_digits	The number of bits for the integer.

◆ Einteger() [5/6]

computefhe::Einteger::Einteger	(	const FixedPoint &	fp,
		bool	is_signed
	)

Constructs an Einteger from an existing FixedPoint object.

Parameters

fp	The `FixedPoint` object representing the encrypted bits.
is_signed	True if the integer is signed, false otherwise.

◆ Einteger() [6/6]

computefhe::Einteger::Einteger ( const Einteger & other )

Copy constructor.

Parameters

other The Einteger object to copy from.

Member Function Documentation

◆ getData()

const FixedPoint & computefhe::Einteger::getData ( ) const

Gets the underlying FixedPoint data.

Returns: A constant reference to the FixedPoint object.

◆ getSize()

size_t computefhe::Einteger::getSize ( ) const

Gets the number of bits used to represent the encrypted integer.

Returns: The size in bits.

◆ isSigned()

bool computefhe::Einteger::isSigned ( ) const

Checks if the encrypted integer is signed.

Returns: True if signed, false otherwise.

◆ operator bool()

virtual computefhe::Einteger::operator bool ( ) const

explicitvirtual

Explicit conversion to decrypted boolean.

Returns: A decrypted boolean (1 if non-zero, 0 if zero).

◆ operator double()

virtual computefhe::Einteger::operator double ( ) const

explicitvirtual

Explicit conversion to decrypted double.

Returns: A decrypted double.

Reimplemented in computefhe::Efixedpoint.

◆ operator int16_t()

virtual computefhe::Einteger::operator int16_t ( ) const

explicitvirtual

Explicit conversion to decrypted int16_t.

Returns: A decrypted int16_t.

◆ operator int32_t()

virtual computefhe::Einteger::operator int32_t ( ) const

explicitvirtual

Explicit conversion to decrypted int32_t.

Returns: A decrypted int32_t.

◆ operator int64_t()

virtual computefhe::Einteger::operator int64_t ( ) const

explicitvirtual

Explicit conversion to decrypted int64_t.

Returns: A decrypted int64_t.

◆ operator int8_t()

virtual computefhe::Einteger::operator int8_t ( ) const

explicitvirtual

Explicit conversion to decrypted int8_t.

Returns: A decrypted int8_t.

◆ operator uint16_t()

virtual computefhe::Einteger::operator uint16_t ( ) const

explicitvirtual

Explicit conversion to decrypted uint16_t.

Returns: A decrypted uint16_t.

◆ operator uint32_t()

virtual computefhe::Einteger::operator uint32_t ( ) const

explicitvirtual

Explicit conversion to decrypted uint32_t.

Returns: A decrypted uint32_t.

◆ operator uint64_t()

virtual computefhe::Einteger::operator uint64_t ( ) const

explicitvirtual

Explicit conversion to decrypted uint64_t.

Returns: A decrypted uint64_t.

◆ operator uint8_t()

virtual computefhe::Einteger::operator uint8_t ( ) const

explicitvirtual

Explicit conversion to decrypted uint8_t.

Returns: A decrypted uint8_t.

◆ operator!()

virtual const Einteger computefhe::Einteger::operator! ( ) const

virtual

Encrypted logical NOT.

Returns: An Einteger representing the encrypted boolean result (1 if zero, 0 if non-zero).

◆ operator!=() [1/2]

virtual const Einteger computefhe::Einteger::operator!= ( const Einteger & ) const

virtual

Encrypted inequality comparison with another Einteger.

Parameters

other The other encrypted integer.

Returns: An Einteger representing the encrypted boolean result (1 if not equal, 0 if equal).

Reimplemented in computefhe::Efixedpoint.

◆ operator!=() [2/2]

virtual const Einteger computefhe::Einteger::operator!= ( uint64_t ) const

virtual

Encrypted inequality comparison with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: An Einteger representing the encrypted boolean result.

Reimplemented in computefhe::Efixedpoint.

◆ operator%() [1/2]

virtual const Einteger computefhe::Einteger::operator% ( const Einteger & ) const

virtual

Encrypted modulo with another Einteger.

Parameters

other The other encrypted integer (divisor).

Returns: A new Einteger representing the remainder.

◆ operator%() [2/2]

virtual const Einteger computefhe::Einteger::operator% ( uint64_t ) const

virtual

Encrypted modulo with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer (divisor).

Returns: A new Einteger representing the remainder.

◆ operator%=() [1/2]

virtual const Einteger computefhe::Einteger::operator%= ( const Einteger & )

virtual

Encrypted modulo assignment with another Einteger.

Parameters

other The other encrypted integer (divisor).

Returns: A reference to this Einteger after modulo.

◆ operator%=() [2/2]

virtual const Einteger computefhe::Einteger::operator%= ( uint64_t )

virtual

Encrypted modulo assignment with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer (divisor).

Returns: A reference to this Einteger after modulo.

◆ operator&() [1/2]

virtual const Einteger computefhe::Einteger::operator& ( const Einteger & ) const

virtual

Encrypted bitwise AND with another Einteger.

Parameters

other The other encrypted integer.

Returns: A new Einteger representing the bitwise AND.

◆ operator&() [2/2]

virtual const Einteger computefhe::Einteger::operator& ( uint64_t ) const

virtual

Encrypted bitwise AND with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A new Einteger representing the bitwise AND.

◆ operator&&() [1/2]

virtual const Einteger computefhe::Einteger::operator&& ( const Einteger & ) const

virtual

Encrypted logical AND with another Einteger.

Parameters

other The other encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator&&() [2/2]

virtual const Einteger computefhe::Einteger::operator&& ( uint64_t ) const

virtual

Encrypted logical AND with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator&=() [1/2]

virtual const Einteger computefhe::Einteger::operator&= ( const Einteger & )

virtual

Encrypted bitwise AND assignment with another Einteger.

Parameters

other The other encrypted integer.

Returns: A reference to this Einteger after bitwise AND.

◆ operator&=() [2/2]

virtual const Einteger computefhe::Einteger::operator&= ( uint64_t )

virtual

Encrypted bitwise AND assignment with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A reference to this Einteger after bitwise AND.

◆ operator*() [1/2]

virtual const Einteger computefhe::Einteger::operator* ( const Einteger & ) const

virtual

Encrypted multiplication with another Einteger.

Parameters

other The other encrypted integer.

Returns: A new Einteger representing the product.

Reimplemented in computefhe::Efixedpoint.

◆ operator*() [2/2]

virtual const Einteger computefhe::Einteger::operator* ( uint64_t ) const

virtual

Encrypted multiplication with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A new Einteger representing the product.

Reimplemented in computefhe::Efixedpoint.

◆ operator*=() [1/2]

virtual const Einteger computefhe::Einteger::operator*= ( const Einteger & )

virtual

Encrypted multiplication assignment with another Einteger.

Parameters

other The other encrypted integer.

Returns: A reference to this Einteger after multiplication.

Reimplemented in computefhe::Efixedpoint.

◆ operator*=() [2/2]

virtual const Einteger computefhe::Einteger::operator*= ( uint64_t )

virtual

Encrypted multiplication assignment with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A reference to this Einteger after multiplication.

Reimplemented in computefhe::Efixedpoint.

◆ operator+() [1/2]

virtual const Einteger computefhe::Einteger::operator+ ( const Einteger & ) const

virtual

Encrypted addition with another Einteger.

Parameters

other The other encrypted integer.

Returns: A new Einteger representing the sum.

Reimplemented in computefhe::Efixedpoint.

◆ operator+() [2/2]

virtual const Einteger computefhe::Einteger::operator+ ( uint64_t ) const

virtual

Encrypted addition with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A new Einteger representing the sum.

Reimplemented in computefhe::Efixedpoint.

◆ operator++() [1/2]

const Einteger computefhe::Einteger::operator++ ( )

Pre-increment operator. Increments the encrypted integer by one.

Returns: A reference to this Einteger after increment.

◆ operator++() [2/2]

const Einteger computefhe::Einteger::operator++ ( int )

Post-increment operator. Increments the encrypted integer by one.

Returns: A new Einteger representing the value before increment.

◆ operator+=() [1/2]

virtual const Einteger computefhe::Einteger::operator+= ( const Einteger & )

virtual

Encrypted addition assignment with another Einteger.

Parameters

other The other encrypted integer.

Returns: A reference to this Einteger after addition.

Reimplemented in computefhe::Efixedpoint.

◆ operator+=() [2/2]

virtual const Einteger computefhe::Einteger::operator+= ( uint64_t )

virtual

Encrypted addition assignment with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A reference to this Einteger after addition.

Reimplemented in computefhe::Efixedpoint.

◆ operator-() [1/3]

const Einteger computefhe::Einteger::operator- ( ) const

Encrypted unary negation (two's complement).

Returns: A new Einteger representing the negated value.

◆ operator-() [2/3]

virtual const Einteger computefhe::Einteger::operator- ( const Einteger & ) const

virtual

Encrypted subtraction with another Einteger.

Parameters

other The other encrypted integer.

Returns: A new Einteger representing the difference.

Reimplemented in computefhe::Efixedpoint.

◆ operator-() [3/3]

virtual const Einteger computefhe::Einteger::operator- ( uint64_t ) const

virtual

Encrypted subtraction with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A new Einteger representing the difference.

Reimplemented in computefhe::Efixedpoint.

◆ operator--() [1/2]

const Einteger computefhe::Einteger::operator-- ( )

Pre-decrement operator. Decrements the encrypted integer by one.

Returns: A reference to this Einteger after decrement.

◆ operator--() [2/2]

const Einteger computefhe::Einteger::operator-- ( int )

Post-decrement operator. Decrements the encrypted integer by one.

Returns: A new Einteger representing the value before decrement.

◆ operator-=() [1/2]

virtual const Einteger computefhe::Einteger::operator-= ( const Einteger & )

virtual

Encrypted subtraction assignment with another Einteger.

Parameters

other The other encrypted integer.

Returns: A reference to this Einteger after subtraction.

Reimplemented in computefhe::Efixedpoint.

◆ operator-=() [2/2]

virtual const Einteger computefhe::Einteger::operator-= ( uint64_t )

virtual

Encrypted subtraction assignment with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A reference to this Einteger after subtraction.

Reimplemented in computefhe::Efixedpoint.

◆ operator/() [1/2]

virtual const Einteger computefhe::Einteger::operator/ ( const Einteger & ) const

virtual

Encrypted division with another Einteger.

Parameters

other The other encrypted integer (divisor).

Returns: A new Einteger representing the quotient.

Reimplemented in computefhe::Efixedpoint.

◆ operator/() [2/2]

virtual const Einteger computefhe::Einteger::operator/ ( uint64_t ) const

virtual

Encrypted division with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer (divisor).

Returns: A new Einteger representing the quotient.

Reimplemented in computefhe::Efixedpoint.

◆ operator/=() [1/2]

virtual const Einteger computefhe::Einteger::operator/= ( const Einteger & )

virtual

Encrypted division assignment with another Einteger.

Parameters

other The other encrypted integer (divisor).

Returns: A reference to this Einteger after division.

Reimplemented in computefhe::Efixedpoint.

◆ operator/=() [2/2]

virtual const Einteger computefhe::Einteger::operator/= ( uint64_t )

virtual

Encrypted division assignment with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer (divisor).

Returns: A reference to this Einteger after division.

Reimplemented in computefhe::Efixedpoint.

◆ operator<() [1/2]

virtual const Einteger computefhe::Einteger::operator< ( const Einteger & ) const

virtual

Encrypted less-than comparison with another Einteger.

Parameters

other The other encrypted integer.

Returns: An Einteger representing the encrypted boolean result (1 if less, 0 otherwise).

Reimplemented in computefhe::Efixedpoint.

◆ operator<() [2/2]

virtual const Einteger computefhe::Einteger::operator< ( uint64_t ) const

virtual

Encrypted less-than comparison with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: An Einteger representing the encrypted boolean result.

Reimplemented in computefhe::Efixedpoint.

◆ operator<<()

const Einteger computefhe::Einteger::operator<< ( int ) const

Encrypted left shift.

Parameters

shift The number of positions to shift.

Returns: A new Einteger representing the shifted value.

◆ operator<<=()

const Einteger computefhe::Einteger::operator<<= ( int )

Encrypted left shift assignment.

Parameters

shift The number of positions to shift.

Returns: A reference to this Einteger after shifting.

◆ operator<=() [1/2]

virtual const Einteger computefhe::Einteger::operator<= ( const Einteger & ) const

virtual

Encrypted less-than-or-equal comparison with another Einteger.

Parameters

other The other encrypted integer.

Returns: An Einteger representing the encrypted boolean result (1 if less or equal, 0 otherwise).

Reimplemented in computefhe::Efixedpoint.

◆ operator<=() [2/2]

virtual const Einteger computefhe::Einteger::operator<= ( uint64_t ) const

virtual

Encrypted less-than-or-equal comparison with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: An Einteger representing the encrypted boolean result.

Reimplemented in computefhe::Efixedpoint.

◆ operator=() [1/2]

Einteger & computefhe::Einteger::operator= ( const Einteger & )

Assignment operator from another Einteger.

Parameters

other The Einteger to assign from.

Returns: A reference to this Einteger.

◆ operator=() [2/2]

Einteger & computefhe::Einteger::operator= ( uint64_t )

Assignment operator from a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer to assign.

Returns: A reference to this Einteger.

◆ operator==() [1/2]

virtual const Einteger computefhe::Einteger::operator== ( const Einteger & ) const

virtual

Encrypted equality comparison with another Einteger.

Parameters

other The other encrypted integer.

Returns: An Einteger representing the encrypted boolean result (1 if equal, 0 if not).

Reimplemented in computefhe::Efixedpoint.

◆ operator==() [2/2]

virtual const Einteger computefhe::Einteger::operator== ( uint64_t ) const

virtual

Encrypted equality comparison with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: An Einteger representing the encrypted boolean result.

Reimplemented in computefhe::Efixedpoint.

◆ operator>() [1/2]

virtual const Einteger computefhe::Einteger::operator> ( const Einteger & ) const

virtual

Encrypted greater-than comparison with another Einteger.

Parameters

other The other encrypted integer.

Returns: An Einteger representing the encrypted boolean result (1 if greater, 0 otherwise).

Reimplemented in computefhe::Efixedpoint.

◆ operator>() [2/2]

virtual const Einteger computefhe::Einteger::operator> ( uint64_t ) const

virtual

Encrypted greater-than comparison with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: An Einteger representing the encrypted boolean result.

Reimplemented in computefhe::Efixedpoint.

◆ operator>=() [1/2]

virtual const Einteger computefhe::Einteger::operator>= ( const Einteger & ) const

virtual

Encrypted greater-than-or-equal comparison with another Einteger.

Parameters

other The other encrypted integer.

Returns: An Einteger representing the encrypted boolean result (1 if greater or equal, 0 otherwise).

Reimplemented in computefhe::Efixedpoint.

◆ operator>=() [2/2]

virtual const Einteger computefhe::Einteger::operator>= ( uint64_t ) const

virtual

Encrypted greater-than-or-equal comparison with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: An Einteger representing the encrypted boolean result.

Reimplemented in computefhe::Efixedpoint.

◆ operator>>()

const Einteger computefhe::Einteger::operator>> ( int ) const

Encrypted right shift.

Parameters

shift The number of positions to shift.

Returns: A new Einteger representing the shifted value.

◆ operator>>=()

const Einteger computefhe::Einteger::operator>>= ( int )

Encrypted right shift assignment.

Parameters

shift The number of positions to shift.

Returns: A reference to this Einteger after shifting.

◆ operator^() [1/2]

virtual const Einteger computefhe::Einteger::operator^ ( const Einteger & ) const

virtual

Encrypted bitwise XOR with another Einteger.

Parameters

other The other encrypted integer.

Returns: A new Einteger representing the bitwise XOR.

◆ operator^() [2/2]

virtual const Einteger computefhe::Einteger::operator^ ( uint64_t ) const

virtual

Encrypted bitwise XOR with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A new Einteger representing the bitwise XOR.

◆ operator^=() [1/2]

virtual const Einteger computefhe::Einteger::operator^= ( const Einteger & )

virtual

Encrypted bitwise XOR assignment with another Einteger.

Parameters

other The other encrypted integer.

Returns: A reference to this Einteger after bitwise XOR.

◆ operator^=() [2/2]

virtual const Einteger computefhe::Einteger::operator^= ( uint64_t )

virtual

Encrypted bitwise XOR assignment with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A reference to this Einteger after bitwise XOR.

◆ operator|() [1/2]

virtual const Einteger computefhe::Einteger::operator| ( const Einteger & ) const

virtual

Encrypted bitwise OR with another Einteger.

Parameters

other The other encrypted integer.

Returns: A new Einteger representing the bitwise OR.

◆ operator|() [2/2]

virtual const Einteger computefhe::Einteger::operator| ( uint64_t ) const

virtual

Encrypted bitwise OR with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A new Einteger representing the bitwise OR.

◆ operator|=() [1/2]

virtual const Einteger computefhe::Einteger::operator|= ( const Einteger & )

virtual

Encrypted bitwise OR assignment with another Einteger.

Parameters

other The other encrypted integer.

Returns: A reference to this Einteger after bitwise OR.

◆ operator|=() [2/2]

virtual const Einteger computefhe::Einteger::operator|= ( uint64_t )

virtual

Encrypted bitwise OR assignment with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: A reference to this Einteger after bitwise OR.

◆ operator||() [1/2]

virtual const Einteger computefhe::Einteger::operator|| ( const Einteger & ) const

virtual

Encrypted logical OR with another Einteger.

Parameters

other The other encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator||() [2/2]

virtual const Einteger computefhe::Einteger::operator|| ( uint64_t ) const

virtual

Encrypted logical OR with a plaintext uint64_t.

Parameters

val	The plaintext unsigned integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator~()

virtual const Einteger computefhe::Einteger::operator~ ( ) const

virtual

Encrypted bitwise NOT (one's complement).

Returns: A new Einteger representing the bitwise NOT.

◆ promote()

static FixedPoint computefhe::Einteger::promote	(	const Einteger &	a,
		size_t	s
	)

static

Promotes or truncates an Einteger to a specific bit size.

Parameters

a	The source integer.
s	The target bit size.

Returns: A FixedPoint representing the promoted/truncated bits.

Friends And Related Symbol Documentation

◆ operator!=

const Einteger operator!=	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t inequality comparison with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator%

const Einteger operator%	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t modulo with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: A new Einteger representing the remainder.

◆ operator&

const Einteger operator&	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t bitwise AND with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: A new Einteger representing the bitwise AND.

◆ operator&&

const Einteger operator&&	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t logical AND with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator*

const Einteger operator*	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t multiplication with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: A new Einteger representing the product.

◆ operator+

const Einteger operator+	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t addition with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: A new Einteger representing the sum.

◆ operator-

const Einteger operator-	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t subtraction with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: A new Einteger representing the difference.

◆ operator/

const Einteger operator/	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t division with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: A new Einteger representing the quotient.

◆ operator<

const Einteger operator<	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t less-than comparison with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator<<

ostream & operator<<	(	ostream &	out,
		const Einteger &	obj
	)

friend

Overloads the stream insertion operator by decrypting Einteger.

Parameters

out	The output stream.
obj	The Einteger object to print.

Returns: The output stream.

◆ operator<=

const Einteger operator<=	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t less-than-or-equal comparison with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator==

const Einteger operator==	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t equality comparison with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator>

const Einteger operator>	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t greater-than comparison with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator>=

const Einteger operator>=	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t greater-than-or-equal comparison with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

◆ operator^

const Einteger operator^	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t bitwise XOR with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: A new Einteger representing the bitwise XOR.

◆ operator|

const Einteger operator\|	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t bitwise OR with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: A new Einteger representing the bitwise OR.

◆ operator||

const Einteger operator\|\|	(	uint64_t	a,
		const Einteger &	b
	)

friend

Friend operator for plaintext uint64_t logical OR with Einteger.

Parameters

a	The plaintext unsigned integer.
b	The encrypted integer.

Returns: An Einteger representing the encrypted boolean result.

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

src/include/computefhe/Einteger.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Static Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ Einteger() [1/6]

◆ Einteger() [2/6]

◆ Einteger() [3/6]

◆ Einteger() [4/6]

◆ Einteger() [5/6]

◆ Einteger() [6/6]

Member Function Documentation

◆ getData()

◆ getSize()

◆ isSigned()

◆ operator bool()

◆ operator double()

◆ operator int16_t()

◆ operator int32_t()

◆ operator int64_t()

◆ operator int8_t()

◆ operator uint16_t()

◆ operator uint32_t()

◆ operator uint64_t()

◆ operator uint8_t()

◆ operator!()

◆ operator!=() [1/2]

◆ operator!=() [2/2]

◆ operator%() [1/2]

◆ operator%() [2/2]

◆ operator%=() [1/2]

◆ operator%=() [2/2]

◆ operator&() [1/2]

◆ operator&() [2/2]

◆ operator&&() [1/2]

◆ operator&&() [2/2]

◆ operator&=() [1/2]

◆ operator&=() [2/2]

◆ operator*() [1/2]

◆ operator*() [2/2]

◆ operator*=() [1/2]

◆ operator*=() [2/2]

◆ operator+() [1/2]

◆ operator+() [2/2]

◆ operator++() [1/2]

◆ operator++() [2/2]

◆ operator+=() [1/2]

◆ operator+=() [2/2]

◆ operator-() [1/3]

◆ operator-() [2/3]

◆ operator-() [3/3]

◆ operator--() [1/2]

◆ operator--() [2/2]

◆ operator-=() [1/2]

◆ operator-=() [2/2]

◆ operator/() [1/2]

◆ operator/() [2/2]

◆ operator/=() [1/2]

◆ operator/=() [2/2]

◆ operator<() [1/2]

◆ operator<() [2/2]

◆ operator<<()

◆ operator<<=()

◆ operator<=() [1/2]

◆ operator<=() [2/2]

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ operator==() [1/2]

◆ operator==() [2/2]

◆ operator>() [1/2]

◆ operator>() [2/2]

◆ operator>=() [1/2]

◆ operator>=() [2/2]

◆ operator>>()

◆ operator>>=()

◆ operator^() [1/2]