mpi.h File Reference

#include <linux/types.h>

Go to the source code of this file.

Data Structures
struct	gcry_mpi

Macros
#define	SHA1_DIGEST_LENGTH   20
#define	BYTES_PER_MPI_LIMB   (BITS_PER_LONG / 8)
#define	BITS_PER_MPI_LIMB   BITS_PER_LONG
#define	mpi_get_nlimbs(a)   ((a)->nlimbs)
#define	mpi_is_neg(a)   ((a)->sign)
#define	log_mpidump   g10_log_mpidump

Typedefs
typedef unsigned long int	mpi_limb_t
typedef signed long int	mpi_limb_signed_t
typedef struct gcry_mpi *	MPI

Functions
MPI	mpi_alloc (unsigned nlimbs)
MPI	mpi_alloc_secure (unsigned nlimbs)
MPI	mpi_alloc_like (MPI a)
void	mpi_free (MPI a)
int	mpi_resize (MPI a, unsigned nlimbs)
int	mpi_copy (MPI *copy, const MPI a)
void	mpi_clear (MPI a)
int	mpi_set (MPI w, MPI u)
int	mpi_set_ui (MPI w, ulong u)
MPI	mpi_alloc_set_ui (unsigned long u)
void	mpi_m_check (MPI a)
void	mpi_swap (MPI a, MPI b)
MPI	do_encode_md (const void *sha_buffer, unsigned nbits)
MPI	mpi_read_raw_data (const void *xbuffer, size_t nbytes)
MPI	mpi_read_from_buffer (const void *buffer, unsigned *ret_nread)
int	mpi_fromstr (MPI val, const char *str)
u32	mpi_get_keyid (MPI a, u32 *keyid)
void *	mpi_get_buffer (MPI a, unsigned *nbytes, int *sign)
void *	mpi_get_secure_buffer (MPI a, unsigned *nbytes, int *sign)
int	mpi_set_buffer (MPI a, const void *buffer, unsigned nbytes, int sign)
int	mpi_add_ui (MPI w, MPI u, ulong v)
int	mpi_add (MPI w, MPI u, MPI v)
int	mpi_addm (MPI w, MPI u, MPI v, MPI m)
int	mpi_sub_ui (MPI w, MPI u, ulong v)
int	mpi_sub (MPI w, MPI u, MPI v)
int	mpi_subm (MPI w, MPI u, MPI v, MPI m)
int	mpi_mul_ui (MPI w, MPI u, ulong v)
int	mpi_mul_2exp (MPI w, MPI u, ulong cnt)
int	mpi_mul (MPI w, MPI u, MPI v)
int	mpi_mulm (MPI w, MPI u, MPI v, MPI m)
ulong	mpi_fdiv_r_ui (MPI rem, MPI dividend, ulong divisor)
int	mpi_fdiv_r (MPI rem, MPI dividend, MPI divisor)
int	mpi_fdiv_q (MPI quot, MPI dividend, MPI divisor)
int	mpi_fdiv_qr (MPI quot, MPI rem, MPI dividend, MPI divisor)
int	mpi_tdiv_r (MPI rem, MPI num, MPI den)
int	mpi_tdiv_qr (MPI quot, MPI rem, MPI num, MPI den)
int	mpi_tdiv_q_2exp (MPI w, MPI u, unsigned count)
int	mpi_divisible_ui (const MPI dividend, ulong divisor)
int	mpi_gcd (MPI g, const MPI a, const MPI b)
int	mpi_pow (MPI w, MPI u, MPI v)
int	mpi_powm (MPI res, MPI base, MPI exp, MPI mod)
int	mpi_mulpowm (MPI res, MPI *basearray, MPI *exparray, MPI mod)
int	mpi_cmp_ui (MPI u, ulong v)
int	mpi_cmp (MPI u, MPI v)
int	mpi_getbyte (MPI a, unsigned idx)
void	mpi_putbyte (MPI a, unsigned idx, int value)
unsigned	mpi_trailing_zeros (MPI a)
void	mpi_normalize (MPI a)
unsigned	mpi_get_nbits (MPI a)
int	mpi_test_bit (MPI a, unsigned n)
int	mpi_set_bit (MPI a, unsigned n)
int	mpi_set_highbit (MPI a, unsigned n)
void	mpi_clear_highbit (MPI a, unsigned n)
void	mpi_clear_bit (MPI a, unsigned n)
int	mpi_rshift (MPI x, MPI a, unsigned n)
int	mpi_invm (MPI x, MPI u, MPI v)

Macro Definition Documentation

#define BITS_PER_MPI_LIMB   BITS_PER_LONG

Definition at line 42 of file mpi.h.

#define BYTES_PER_MPI_LIMB   (BITS_PER_LONG / 8)

Definition at line 41 of file mpi.h.

#define log_mpidump   g10_log_mpidump

Definition at line 87 of file mpi.h.

#define mpi_get_nlimbs

(

a

)

((a)->nlimbs)

Definition at line 60 of file mpi.h.

#define mpi_is_neg

(

a

)

((a)->sign)

Definition at line 61 of file mpi.h.

#define SHA1_DIGEST_LENGTH   20

Definition at line 37 of file mpi.h.

Typedef Documentation

typedef struct gcry_mpi* MPI

Definition at line 58 of file mpi.h.

typedef signed long int mpi_limb_signed_t

Definition at line 45 of file mpi.h.

typedef unsigned long int mpi_limb_t

Definition at line 44 of file mpi.h.

Function Documentation

MPI do_encode_md	(	const void *	sha_buffer,
		unsigned	nbits
	)

int mpi_add	(	MPI	w,
		MPI	u,
		MPI	v
	)

int mpi_add_ui	(	MPI	w,
		MPI	u,
		ulong	v
	)

int mpi_addm	(	MPI	w,
		MPI	u,
		MPI	v,
		MPI	m
	)

MPI mpi_alloc

(

unsigned

nlimbs

)

Definition at line 30 of file mpiutil.c.

MPI mpi_alloc_like

(

MPI

a

)

MPI mpi_alloc_secure

(

unsigned

nlimbs

)

MPI mpi_alloc_set_ui

(

unsigned long

u

)

void mpi_clear

(

MPI

a

)

void mpi_clear_bit	(	MPI	a,
		unsigned	n
	)

void mpi_clear_highbit	(	MPI	a,
		unsigned	n
	)

int mpi_cmp	(	MPI	u,
		MPI	v
	)

Definition at line 44 of file mpi-cmp.c.

int mpi_cmp_ui	(	MPI	u,
		ulong	v
	)

Definition at line 23 of file mpi-cmp.c.

int mpi_copy	(	MPI *	copy,
		const MPI	a
	)

int mpi_divisible_ui	(	const MPI	dividend,
		ulong	divisor
	)

int mpi_fdiv_q	(	MPI	quot,
		MPI	dividend,
		MPI	divisor
	)

int mpi_fdiv_qr	(	MPI	quot,
		MPI	rem,
		MPI	dividend,
		MPI	divisor
	)

int mpi_fdiv_r	(	MPI	rem,
		MPI	dividend,
		MPI	divisor
	)

ulong mpi_fdiv_r_ui	(	MPI	rem,
		MPI	dividend,
		ulong	divisor
	)

void mpi_free

(

MPI

a

)

Definition at line 109 of file mpiutil.c.

int mpi_fromstr	(	MPI	val,
		const char *	str
	)

int mpi_gcd	(	MPI	g,
		const MPI	a,
		const MPI	b
	)

void* mpi_get_buffer	(	MPI	a,
		unsigned *	nbytes,
		int *	sign
	)

Definition at line 138 of file mpicoder.c.

u32 mpi_get_keyid	(	MPI	a,
		u32 *	keyid
	)

unsigned mpi_get_nbits

(

MPI

a

)

Definition at line 39 of file mpi-bit.c.

void* mpi_get_secure_buffer	(	MPI	a,
		unsigned *	nbytes,
		int *	sign
	)

int mpi_getbyte	(	MPI	a,
		unsigned	idx
	)

int mpi_invm	(	MPI	x,
		MPI	u,
		MPI	v
	)

void mpi_m_check

(

MPI

a

)

int mpi_mul	(	MPI	w,
		MPI	u,
		MPI	v
	)

int mpi_mul_2exp	(	MPI	w,
		MPI	u,
		ulong	cnt
	)

int mpi_mul_ui	(	MPI	w,
		MPI	u,
		ulong	v
	)

int mpi_mulm	(	MPI	w,
		MPI	u,
		MPI	v,
		MPI	m
	)

int mpi_mulpowm	(	MPI	res,
		MPI *	basearray,
		MPI *	exparray,
		MPI	mod
	)

void mpi_normalize

(

MPI

a

)

Definition at line 30 of file mpi-bit.c.

int mpi_pow	(	MPI	w,
		MPI	u,
		MPI	v
	)

int mpi_powm	(	MPI	res,
		MPI	base,
		MPI	exp,
		MPI	mod
	)

Definition at line 36 of file mpi-pow.c.

void mpi_putbyte	(	MPI	a,
		unsigned	idx,
		int	value
	)

MPI mpi_read_from_buffer	(	const void *	buffer,
		unsigned *	ret_nread
	)

Definition at line 80 of file mpicoder.c.

MPI mpi_read_raw_data	(	const void *	xbuffer,
		size_t	nbytes
	)

mpi_read_raw_data - Read a raw byte stream as a positive integer : The data to read : The amount of data to read

Definition at line 32 of file mpicoder.c.

int mpi_resize	(	MPI	a,
		unsigned	nlimbs
	)

Definition at line 86 of file mpiutil.c.

int mpi_rshift	(	MPI	x,
		MPI	a,
		unsigned	n
	)

int mpi_set	(	MPI	w,
		MPI	u
	)

int mpi_set_bit	(	MPI	a,
		unsigned	n
	)

int mpi_set_buffer	(	MPI	a,
		const void *	buffer,
		unsigned	nbytes,
		int	sign
	)

Definition at line 189 of file mpicoder.c.

int mpi_set_highbit	(	MPI	a,
		unsigned	n
	)

int mpi_set_ui	(	MPI	w,
		ulong	u
	)

int mpi_sub	(	MPI	w,
		MPI	u,
		MPI	v
	)

int mpi_sub_ui	(	MPI	w,
		MPI	u,
		ulong	v
	)

int mpi_subm	(	MPI	w,
		MPI	u,
		MPI	v,
		MPI	m
	)

void mpi_swap	(	MPI	a,
		MPI	b
	)

int mpi_tdiv_q_2exp	(	MPI	w,
		MPI	u,
		unsigned	count
	)

int mpi_tdiv_qr	(	MPI	quot,
		MPI	rem,
		MPI	num,
		MPI	den
	)

int mpi_tdiv_r	(	MPI	rem,
		MPI	num,
		MPI	den
	)

int mpi_test_bit	(	MPI	a,
		unsigned	n
	)

unsigned mpi_trailing_zeros

(

MPI

a

)