uint_impl.h File Reference

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Functions
int PURIFY_UINT_FN()	try_add_small (uint64_t value[PURIFY_UINT_WORDS], uint32_t addend)
int PURIFY_UINT_FN()	try_mul_small (uint64_t value[PURIFY_UINT_WORDS], uint32_t factor)
void PURIFY_UINT_FN()	set_zero (uint64_t out[PURIFY_UINT_WORDS])
void PURIFY_UINT_FN()	set_u64 (uint64_t out[PURIFY_UINT_WORDS], uint64_t value)
void PURIFY_UINT_FN()	from_bytes_be (uint64_t out[PURIFY_UINT_WORDS], const unsigned char *data, size_t size)
int PURIFY_UINT_FN()	is_zero (const uint64_t value[PURIFY_UINT_WORDS])
int PURIFY_UINT_FN()	compare (const uint64_t lhs[PURIFY_UINT_WORDS], const uint64_t rhs[PURIFY_UINT_WORDS])
int PURIFY_UINT_FN()	try_add (uint64_t value[PURIFY_UINT_WORDS], const uint64_t addend[PURIFY_UINT_WORDS])
int PURIFY_UINT_FN()	try_sub (uint64_t value[PURIFY_UINT_WORDS], const uint64_t subtrahend[PURIFY_UINT_WORDS])
size_t PURIFY_UINT_FN()	bit_length (const uint64_t value[PURIFY_UINT_WORDS])
int PURIFY_UINT_FN()	bit (const uint64_t value[PURIFY_UINT_WORDS], size_t index)
int PURIFY_UINT_FN()	try_set_bit (uint64_t value[PURIFY_UINT_WORDS], size_t index)
void PURIFY_UINT_FN()	shifted_left (uint64_t out[PURIFY_UINT_WORDS], const uint64_t value[PURIFY_UINT_WORDS], size_t bits)
void PURIFY_UINT_FN()	shifted_right (uint64_t out[PURIFY_UINT_WORDS], const uint64_t value[PURIFY_UINT_WORDS], size_t bits)
void PURIFY_UINT_FN()	shift_right_one (uint64_t value[PURIFY_UINT_WORDS])
void PURIFY_UINT_FN()	mask_bits (uint64_t value[PURIFY_UINT_WORDS], size_t bits)
uint32_t PURIFY_UINT_FN()	divmod_small (uint64_t value[PURIFY_UINT_WORDS], uint32_t divisor)
void PURIFY_UINT_FN()	to_bytes_be (unsigned char out[PURIFY_UINT_WORDS *8], const uint64_t value[PURIFY_UINT_WORDS])

Function Documentation

bit()

int PURIFY_UINT_FN() bit	(	const uint64_t	value[PURIFY_UINT_WORDS],
		size_t	index
	)

Definition at line 125 of file uint_impl.h.

References PURIFY_UINT_WORDS.

Referenced by purify::circuit_main(), purify_curve_mul_secret_ladder_core(), and purify_u512_shift_left_one_or_bit().

bit_length()

size_t PURIFY_UINT_FN() bit_length

(

const uint64_t

value[PURIFY_UINT_WORDS]

)

Definition at line 114 of file uint_impl.h.

References purify_uint_bit_length_u64(), and PURIFY_UINT_WORDS.

compare()

int PURIFY_UINT_FN() compare	(	const uint64_t	lhs[PURIFY_UINT_WORDS],
		const uint64_t	rhs[PURIFY_UINT_WORDS]
	)

Definition at line 48 of file uint_impl.h.

References PURIFY_UINT_WORDS.

divmod_small()

uint32_t PURIFY_UINT_FN() divmod_small	(	uint64_t	value[PURIFY_UINT_WORDS],
		uint32_t	divisor
	)

Definition at line 205 of file uint_impl.h.

References purify_uint_divmod_u32(), and PURIFY_UINT_WORDS.

from_bytes_be()

void PURIFY_UINT_FN() from_bytes_be	(	uint64_t	out[PURIFY_UINT_WORDS],
		const unsigned char *	data,
		size_t	size
	)

Definition at line 28 of file uint_impl.h.

References PURIFY_UINT_FN, set_zero(), try_add_small(), and try_mul_small().

is_zero()

int PURIFY_UINT_FN() is_zero

(

const uint64_t

value[PURIFY_UINT_WORDS]

)

Definition at line 38 of file uint_impl.h.

References PURIFY_UINT_WORDS.

mask_bits()

void PURIFY_UINT_FN() mask_bits	(	uint64_t	value[PURIFY_UINT_WORDS],
		size_t	bits
	)

Definition at line 188 of file uint_impl.h.

References PURIFY_UINT_WORDS.

set_u64()

void PURIFY_UINT_FN() set_u64	(	uint64_t	out[PURIFY_UINT_WORDS],
		uint64_t	value
	)

Definition at line 23 of file uint_impl.h.

References PURIFY_UINT_FN, and set_zero().

set_zero()

void PURIFY_UINT_FN() set_zero

(

uint64_t

out[PURIFY_UINT_WORDS]

)

Definition at line 16 of file uint_impl.h.

References PURIFY_UINT_WORDS.

Referenced by from_bytes_be(), set_u64(), shifted_left(), and shifted_right().

shift_right_one()

void PURIFY_UINT_FN() shift_right_one

(

uint64_t

value[PURIFY_UINT_WORDS]

)

Definition at line 180 of file uint_impl.h.

References PURIFY_UINT_WORDS.

shifted_left()

void PURIFY_UINT_FN() shifted_left	(	uint64_t	out[PURIFY_UINT_WORDS],
		const uint64_t	value[PURIFY_UINT_WORDS],
		size_t	bits
	)

Definition at line 144 of file uint_impl.h.

References PURIFY_UINT_FN, PURIFY_UINT_WORDS, and set_zero().

shifted_right()

void PURIFY_UINT_FN() shifted_right	(	uint64_t	out[PURIFY_UINT_WORDS],
		const uint64_t	value[PURIFY_UINT_WORDS],
		size_t	bits
	)

Definition at line 163 of file uint_impl.h.

References PURIFY_UINT_FN, PURIFY_UINT_WORDS, and set_zero().

to_bytes_be()

void PURIFY_UINT_FN() to_bytes_be	(	unsigned char	out[PURIFY_UINT_WORDS *8],
		const uint64_t	value[PURIFY_UINT_WORDS]
	)

Definition at line 219 of file uint_impl.h.

References PURIFY_UINT_WORDS.

try_add()

int PURIFY_UINT_FN() try_add	(	uint64_t	value[PURIFY_UINT_WORDS],
		const uint64_t	addend[PURIFY_UINT_WORDS]
	)

Definition at line 86 of file uint_impl.h.

References PURIFY_UINT_WORDS.

try_add_small()

int PURIFY_UINT_FN() try_add_small	(	uint64_t	value[PURIFY_UINT_WORDS],
		uint32_t	addend
	)

Definition at line 62 of file uint_impl.h.

References PURIFY_UINT_WORDS.

Referenced by from_bytes_be().

try_mul_small()

int PURIFY_UINT_FN() try_mul_small	(	uint64_t	value[PURIFY_UINT_WORDS],
		uint32_t	factor
	)

Definition at line 73 of file uint_impl.h.

References purify_uint_add_u64_carry(), purify_uint_mul_u64(), and PURIFY_UINT_WORDS.

Referenced by from_bytes_be().

try_set_bit()

int PURIFY_UINT_FN() try_set_bit	(	uint64_t	value[PURIFY_UINT_WORDS],
		size_t	index
	)

Definition at line 134 of file uint_impl.h.

References PURIFY_UINT_WORDS.

try_sub()

int PURIFY_UINT_FN() try_sub	(	uint64_t	value[PURIFY_UINT_WORDS],
		const uint64_t	subtrahend[PURIFY_UINT_WORDS]
	)

Definition at line 100 of file uint_impl.h.

References PURIFY_UINT_WORDS.