QCA::Botan::BigInt Class Reference

#include <bigint.h>

List of all members.

Classes
struct	DivideByZero
Public Types
enum	Base { Octal = 8, Decimal = 10, Hexadecimal = 16, Binary = 256 }
enum	NumberType { Random, Power2 }
enum	Sign { Negative = 0, Positive = 1 }
Public Member Functions
	BigInt (NumberType, u32bit)
	BigInt (Sign, u32bit)
	BigInt (const byte[], u32bit, Base=Binary)
	BigInt (const std::string &)
	BigInt (const BigInt &)
	BigInt (u64bit)
	BigInt ()
BigInt	abs () const
void	binary_decode (const byte[], u32bit)
void	binary_encode (byte[]) const
u32bit	bits () const
byte	byte_at (u32bit) const
u32bit	bytes () const
void	clear ()
void	clear_bit (u32bit)
s32bit	cmp (const BigInt &, bool=true) const
const word *	data () const
u32bit	encoded_size (Base=Binary) const
void	flip_sign ()
bool	get_bit (u32bit) const
SecureVector< word > &	get_reg ()
u32bit	get_substring (u32bit, u32bit) const
void	grow_reg (u32bit) const
bool	is_even () const
bool	is_negative () const
bool	is_nonzero () const
bool	is_odd () const
bool	is_positive () const
bool	is_zero () const
void	mask_bits (u32bit)
bool	operator! () const
word	operator%= (word)
BigInt &	operator%= (const BigInt &)
BigInt &	operator*= (const BigInt &)
BigInt	operator++ (int)
BigInt &	operator++ ()
BigInt &	operator+= (const BigInt &)
BigInt	operator- () const
BigInt	operator-- (int)
BigInt &	operator-- ()
BigInt &	operator-= (const BigInt &)
BigInt &	operator/= (const BigInt &)
BigInt &	operator<<= (u32bit)
BigInt &	operator>>= (u32bit)
word	operator[] (u32bit index) const
word &	operator[] (u32bit index)
void	randomize (u32bit=0)
Sign	reverse_sign () const
void	set_bit (u32bit)
void	set_sign (Sign)
u32bit	sig_words () const
Sign	sign () const
u32bit	size () const
void	swap (BigInt &)
u32bit	to_u32bit () const
word	word_at (u32bit n) const
Static Public Member Functions
static BigInt	decode (const MemoryRegion< byte > &, Base=Binary)
static BigInt	decode (const byte[], u32bit, Base=Binary)
static void	encode (byte[], const BigInt &, Base=Binary)
static SecureVector< byte >	encode (const BigInt &, Base=Binary)
static SecureVector< byte >	encode_1363 (const BigInt &, u32bit)

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Detailed Description

Definition at line 61 of file bigint.h.

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Member Enumeration Documentation

enum QCA::Botan::BigInt::Base

Enumerator:

Octal
Decimal
Hexadecimal
Binary

Definition at line 64 of file bigint.h.

enum QCA::Botan::BigInt::NumberType

Enumerator:

Random
Power2

Definition at line 66 of file bigint.h.

enum QCA::Botan::BigInt::Sign

Enumerator:

Negative
Positive

Definition at line 65 of file bigint.h.

---

Constructor & Destructor Documentation

QCA::Botan::BigInt::BigInt

(

)

[inline]

Definition at line 144 of file bigint.h.

QCA::Botan::BigInt::BigInt

(

u64bit

n

)

Definition at line 54 of file big_base.cpp.

QCA::Botan::BigInt::BigInt

(

const BigInt &

b

)

Definition at line 80 of file big_base.cpp.

QCA::Botan::BigInt::BigInt

(

const std::string &

str

)

Definition at line 100 of file big_base.cpp.

QCA::Botan::BigInt::BigInt	(	const byte	input[],
		u32bit	length,
		Base	base = Binary
	)

Definition at line 123 of file big_base.cpp.

QCA::Botan::BigInt::BigInt	(	Sign	s,
		u32bit	size
	)

Definition at line 71 of file big_base.cpp.

QCA::Botan::BigInt::BigInt	(	NumberType	,
		u32bit
	)

---

Member Function Documentation

BigInt QCA::Botan::BigInt::abs

(

)

const

Definition at line 380 of file big_base.cpp.

void QCA::Botan::BigInt::binary_decode	(	const byte	buf[],
		u32bit	length
	)

Definition at line 400 of file big_base.cpp.

void QCA::Botan::BigInt::binary_encode

(

byte

output[]

)

const

Definition at line 390 of file big_base.cpp.

u32bit QCA::Botan::BigInt::bits

(

)

const

Definition at line 295 of file big_base.cpp.

byte QCA::Botan::BigInt::byte_at

(

u32bit

n

)

const

Definition at line 189 of file big_base.cpp.

u32bit QCA::Botan::BigInt::bytes

(

)

const

Definition at line 287 of file big_base.cpp.

void QCA::Botan::BigInt::clear

(

)

[inline]

Definition at line 126 of file bigint.h.

void QCA::Botan::BigInt::clear_bit

(

u32bit

n

)

Definition at line 239 of file big_base.cpp.

s32bit QCA::Botan::BigInt::cmp	(	const BigInt &	n,
		bool	check_signs = true
	)			const

Definition at line 158 of file big_base.cpp.

const word* QCA::Botan::BigInt::data

(

)

const [inline]

Definition at line 120 of file bigint.h.

BigInt QCA::Botan::BigInt::decode	(	const MemoryRegion< byte > &	buf,
		Base	base = Binary
	)			[static]

Definition at line 136 of file big_code.cpp.

BigInt QCA::Botan::BigInt::decode	(	const byte	buf[],
		u32bit	length,
		Base	base = Binary
	)			[static]

Definition at line 144 of file big_code.cpp.

void QCA::Botan::BigInt::encode	(	byte	output[],
		const BigInt &	n,
		Base	base = Binary
	)			[static]

Definition at line 53 of file big_code.cpp.

SecureVector< byte > QCA::Botan::BigInt::encode	(	const BigInt &	n,
		Base	base = Binary
	)			[static]

Definition at line 106 of file big_code.cpp.

SecureVector< byte > QCA::Botan::BigInt::encode_1363	(	const BigInt &	n,
		u32bit	bytes
	)			[static]

Definition at line 120 of file big_code.cpp.

u32bit QCA::Botan::BigInt::encoded_size

(

Base

base = Binary

)

const

Definition at line 312 of file big_base.cpp.

void QCA::Botan::BigInt::flip_sign

(

)

Definition at line 352 of file big_base.cpp.

bool QCA::Botan::BigInt::get_bit

(

u32bit

n

)

const

Definition at line 202 of file big_base.cpp.

SecureVector<word>& QCA::Botan::BigInt::get_reg

(

)

[inline]

Definition at line 121 of file bigint.h.

u32bit QCA::Botan::BigInt::get_substring	(	u32bit	offset,
		u32bit	length
	)			const

Definition at line 210 of file big_base.cpp.

void QCA::Botan::BigInt::grow_reg

(

u32bit

n

)

const

Definition at line 141 of file big_base.cpp.

bool QCA::Botan::BigInt::is_even

(

)

const [inline]

Definition at line 90 of file bigint.h.

bool QCA::Botan::BigInt::is_negative

(

)

const [inline]

Definition at line 107 of file bigint.h.

bool QCA::Botan::BigInt::is_nonzero

(

)

const [inline]

Definition at line 92 of file bigint.h.

bool QCA::Botan::BigInt::is_odd

(

)

const [inline]

Definition at line 91 of file bigint.h.

bool QCA::Botan::BigInt::is_positive

(

)

const [inline]

Definition at line 108 of file bigint.h.

bool QCA::Botan::BigInt::is_zero

(

)

const

Definition at line 331 of file big_base.cpp.

void QCA::Botan::BigInt::mask_bits

(

u32bit

n

)

Definition at line 250 of file big_base.cpp.

bool QCA::Botan::BigInt::operator!

(

)

const [inline]

Definition at line 87 of file bigint.h.

word QCA::Botan::BigInt::operator%=

(

word

mod

)

Definition at line 204 of file big_ops2.cpp.

BigInt & QCA::Botan::BigInt::operator%=

(

const BigInt &

mod

)

Definition at line 196 of file big_ops2.cpp.

BigInt & QCA::Botan::BigInt::operator*=

(

const BigInt &

y

)

Definition at line 146 of file big_ops2.cpp.

BigInt QCA::Botan::BigInt::operator++

(

int

)

[inline]

Definition at line 83 of file bigint.h.

BigInt& QCA::Botan::BigInt::operator++

(

)

[inline]

Definition at line 81 of file bigint.h.

BigInt & QCA::Botan::BigInt::operator+=

(

const BigInt &

y

)

Definition at line 57 of file big_ops2.cpp.

BigInt QCA::Botan::BigInt::operator-

(

)

const

Definition at line 370 of file big_base.cpp.

BigInt QCA::Botan::BigInt::operator--

(

int

)

[inline]

Definition at line 84 of file bigint.h.

BigInt& QCA::Botan::BigInt::operator--

(

)

[inline]

Definition at line 82 of file bigint.h.

BigInt & QCA::Botan::BigInt::operator-=

(

const BigInt &

y

)

Definition at line 96 of file big_ops2.cpp.

BigInt & QCA::Botan::BigInt::operator/=

(

const BigInt &

y

)

Definition at line 184 of file big_ops2.cpp.

BigInt & QCA::Botan::BigInt::operator<<=

(

u32bit

shift

)

Definition at line 237 of file big_ops2.cpp.

BigInt & QCA::Botan::BigInt::operator>>=

(

u32bit

shift

)

Definition at line 255 of file big_ops2.cpp.

word QCA::Botan::BigInt::operator[]

(

u32bit

index

)

const [inline]

Definition at line 125 of file bigint.h.

word& QCA::Botan::BigInt::operator[]

(

u32bit

index

)

[inline]

Definition at line 124 of file bigint.h.

void QCA::Botan::BigInt::randomize

(

u32bit

= 0

)

BigInt::Sign QCA::Botan::BigInt::reverse_sign

(

)

const

Definition at line 360 of file big_base.cpp.

void QCA::Botan::BigInt::set_bit

(

u32bit

n

)

Definition at line 228 of file big_base.cpp.

void QCA::Botan::BigInt::set_sign

(

Sign

s

)

Definition at line 341 of file big_base.cpp.

u32bit QCA::Botan::BigInt::sig_words

(

)

const

Definition at line 268 of file big_base.cpp.

Sign QCA::Botan::BigInt::sign

(

)

const [inline]

Definition at line 109 of file bigint.h.

u32bit QCA::Botan::BigInt::size

(

)

const [inline]

Definition at line 115 of file bigint.h.

void QCA::Botan::BigInt::swap

(

BigInt &

other

)

Definition at line 132 of file big_base.cpp.

u32bit QCA::Botan::BigInt::to_u32bit

(

)

const

Definition at line 173 of file big_base.cpp.

word QCA::Botan::BigInt::word_at

(

u32bit

n

)

const [inline]

Definition at line 102 of file bigint.h.

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

• bigint.h
• big_base.cpp
• big_code.cpp
• big_ops2.cpp