field_10x26_impl.h File Reference

#include "util.h"
#include "field.h"
#include "modinv32_impl.h"

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Macros
#define	VERIFY_BITS(x, n)   do { } while(0)

Functions
static void	secp256k1_fe_normalize (secp256k1_fe *r)
static void	secp256k1_fe_normalize_weak (secp256k1_fe *r)
static void	secp256k1_fe_normalize_var (secp256k1_fe *r)
static int	secp256k1_fe_normalizes_to_zero (secp256k1_fe *r)
static int	secp256k1_fe_normalizes_to_zero_var (secp256k1_fe *r)
static SECP256K1_INLINE void	secp256k1_fe_set_int (secp256k1_fe *r, int a)
static SECP256K1_INLINE int	secp256k1_fe_is_zero (const secp256k1_fe *a)
static SECP256K1_INLINE int	secp256k1_fe_is_odd (const secp256k1_fe *a)
static SECP256K1_INLINE void	secp256k1_fe_clear (secp256k1_fe *a)
static int	secp256k1_fe_cmp_var (const secp256k1_fe *a, const secp256k1_fe *b)
static int	secp256k1_fe_set_b32 (secp256k1_fe *r, const unsigned char *a)
static void	secp256k1_fe_get_b32 (unsigned char *r, const secp256k1_fe *a)
	Convert a field element to a 32-byte big endian value.
static SECP256K1_INLINE void	secp256k1_fe_negate (secp256k1_fe *r, const secp256k1_fe *a, int m)
static SECP256K1_INLINE void	secp256k1_fe_mul_int (secp256k1_fe *r, int a)
static SECP256K1_INLINE void	secp256k1_fe_add (secp256k1_fe *r, const secp256k1_fe *a)
static SECP256K1_INLINE void	secp256k1_fe_mul_inner (uint32_t *r, const uint32_t *a, const uint32_t *SECP256K1_RESTRICT b)
static SECP256K1_INLINE void	secp256k1_fe_sqr_inner (uint32_t *r, const uint32_t *a)
static void	secp256k1_fe_mul (secp256k1_fe *r, const secp256k1_fe *a, const secp256k1_fe *SECP256K1_RESTRICT b)
static void	secp256k1_fe_sqr (secp256k1_fe *r, const secp256k1_fe *a)
static SECP256K1_INLINE void	secp256k1_fe_cmov (secp256k1_fe *r, const secp256k1_fe *a, int flag)
static SECP256K1_INLINE void	secp256k1_fe_storage_cmov (secp256k1_fe_storage *r, const secp256k1_fe_storage *a, int flag)
static void	secp256k1_fe_to_storage (secp256k1_fe_storage *r, const secp256k1_fe *a)
static SECP256K1_INLINE void	secp256k1_fe_from_storage (secp256k1_fe *r, const secp256k1_fe_storage *a)
static void	secp256k1_fe_from_signed30 (secp256k1_fe *r, const secp256k1_modinv32_signed30 *a)
static void	secp256k1_fe_to_signed30 (secp256k1_modinv32_signed30 *r, const secp256k1_fe *a)
static void	secp256k1_fe_inv (secp256k1_fe *r, const secp256k1_fe *x)
static void	secp256k1_fe_inv_var (secp256k1_fe *r, const secp256k1_fe *x)

Variables
static const secp256k1_modinv32_modinfo	secp256k1_const_modinfo_fe

Macro Definition Documentation

VERIFY_BITS

#define VERIFY_BITS	(		x,
			n
	)		do { } while(0)

Definition at line 461 of file field_10x26_impl.h.

Function Documentation

secp256k1_fe_add()

static SECP256K1_INLINE void secp256k1_fe_add ( secp256k1_fe *  r, const secp256k1_fe *  a  )

static

Definition at line 429 of file field_10x26_impl.h.

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secp256k1_fe_clear()

static SECP256K1_INLINE void secp256k1_fe_clear ( secp256k1_fe *  a )

static

Definition at line 293 of file field_10x26_impl.h.

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secp256k1_fe_cmov()

static SECP256K1_INLINE void secp256k1_fe_cmov ( secp256k1_fe *  r, const secp256k1_fe *  a, int  flag  )

static

Definition at line 1099 of file field_10x26_impl.h.

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secp256k1_fe_cmp_var()

static int secp256k1_fe_cmp_var ( const secp256k1_fe *  a, const secp256k1_fe *  b  )

static

Definition at line 304 of file field_10x26_impl.h.

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secp256k1_fe_from_signed30()

static void secp256k1_fe_from_signed30 ( secp256k1_fe *  r, const secp256k1_modinv32_signed30 *  a  )

static

Definition at line 1168 of file field_10x26_impl.h.

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secp256k1_fe_from_storage()

static SECP256K1_INLINE void secp256k1_fe_from_storage ( secp256k1_fe *  r, const secp256k1_fe_storage *  a  )

static

Definition at line 1151 of file field_10x26_impl.h.

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secp256k1_fe_get_b32()

static void secp256k1_fe_get_b32 ( unsigned char *  r, const secp256k1_fe *  a  )

static

Convert a field element to a 32-byte big endian value.

Requires the input to be normalized

Definition at line 350 of file field_10x26_impl.h.

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secp256k1_fe_inv()

static void secp256k1_fe_inv ( secp256k1_fe *  r, const secp256k1_fe *  x  )

static

Definition at line 1230 of file field_10x26_impl.h.

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secp256k1_fe_inv_var()

static void secp256k1_fe_inv_var ( secp256k1_fe *  r, const secp256k1_fe *  x  )

static

Definition at line 1243 of file field_10x26_impl.h.

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secp256k1_fe_is_odd()

static SECP256K1_INLINE int secp256k1_fe_is_odd ( const secp256k1_fe *  a )

static

Definition at line 285 of file field_10x26_impl.h.

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secp256k1_fe_is_zero()

static SECP256K1_INLINE int secp256k1_fe_is_zero ( const secp256k1_fe *  a )

static

Definition at line 276 of file field_10x26_impl.h.

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secp256k1_fe_mul()

static void secp256k1_fe_mul ( secp256k1_fe *  r, const secp256k1_fe *  a, const secp256k1_fe *SECP256K1_RESTRICT  b  )

static

Definition at line 1069 of file field_10x26_impl.h.

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secp256k1_fe_mul_inner()

static SECP256K1_INLINE void secp256k1_fe_mul_inner ( uint32_t *  r, const uint32_t *  a, const uint32_t *SECP256K1_RESTRICT  b  )

static

[... a b c] is a shorthand for ... + a<<52 + b<<26 + c<<0 mod n. for 0 <= x <= 9, px is a shorthand for sum(a[i]*b[x-i], i=0..x). for 9 <= x <= 18, px is a shorthand for sum(a[i]*b[x-i], i=(x-9)..9) Note that [x 0 0 0 0 0 0 0 0 0 0] = [x*R1 x*R0].

Definition at line 464 of file field_10x26_impl.h.

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secp256k1_fe_mul_int()

static SECP256K1_INLINE void secp256k1_fe_mul_int ( secp256k1_fe *  r, int  a  )

static

Definition at line 411 of file field_10x26_impl.h.

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secp256k1_fe_negate()

static SECP256K1_INLINE void secp256k1_fe_negate ( secp256k1_fe *  r, const secp256k1_fe *  a, int  m  )

static

Definition at line 389 of file field_10x26_impl.h.

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secp256k1_fe_normalize()

static void secp256k1_fe_normalize ( secp256k1_fe *  r )

static

Definition at line 43 of file field_10x26_impl.h.

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secp256k1_fe_normalize_var()

static void secp256k1_fe_normalize_var ( secp256k1_fe *  r )

static

Definition at line 129 of file field_10x26_impl.h.

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secp256k1_fe_normalize_weak()

static void secp256k1_fe_normalize_weak ( secp256k1_fe *  r )

static

Definition at line 98 of file field_10x26_impl.h.

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secp256k1_fe_normalizes_to_zero()

static int secp256k1_fe_normalizes_to_zero ( secp256k1_fe *  r )

static

Definition at line 185 of file field_10x26_impl.h.

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secp256k1_fe_normalizes_to_zero_var()

static int secp256k1_fe_normalizes_to_zero_var ( secp256k1_fe *  r )

static

Definition at line 214 of file field_10x26_impl.h.

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secp256k1_fe_set_b32()

static int secp256k1_fe_set_b32 ( secp256k1_fe *  r, const unsigned char *  a  )

static

Definition at line 323 of file field_10x26_impl.h.

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secp256k1_fe_set_int()

static SECP256K1_INLINE void secp256k1_fe_set_int ( secp256k1_fe *  r, int  a  )

static

Definition at line 266 of file field_10x26_impl.h.

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secp256k1_fe_sqr()

static void secp256k1_fe_sqr ( secp256k1_fe *  r, const secp256k1_fe *  a  )

static

Definition at line 1086 of file field_10x26_impl.h.

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secp256k1_fe_sqr_inner()

static SECP256K1_INLINE void secp256k1_fe_sqr_inner ( uint32_t *  r, const uint32_t *  a  )

static

[... a b c] is a shorthand for ... + a<<52 + b<<26 + c<<0 mod n. px is a shorthand for sum(a[i]*a[x-i], i=0..x). Note that [x 0 0 0 0 0 0 0 0 0 0] = [x*R1 x*R0].

Definition at line 794 of file field_10x26_impl.h.

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secp256k1_fe_storage_cmov()

static SECP256K1_INLINE void secp256k1_fe_storage_cmov ( secp256k1_fe_storage *  r, const secp256k1_fe_storage *  a, int  flag  )

static

Definition at line 1122 of file field_10x26_impl.h.

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secp256k1_fe_to_signed30()

static void secp256k1_fe_to_signed30 ( secp256k1_modinv32_signed30 *  r, const secp256k1_fe *  a  )

static

Definition at line 1204 of file field_10x26_impl.h.

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secp256k1_fe_to_storage()

static void secp256k1_fe_to_storage ( secp256k1_fe_storage *  r, const secp256k1_fe *  a  )

static

Definition at line 1137 of file field_10x26_impl.h.

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Variable Documentation

secp256k1_const_modinfo_fe

const secp256k1_modinv32_modinfo secp256k1_const_modinfo_fe

static

Initial value:

= {
    {{-0x3D1, -4, 0, 0, 0, 0, 0, 0, 65536}},
    0x2DDACACFL
}

Definition at line 1225 of file field_10x26_impl.h.