Macros
#define	SECP256K1_N_0 ((uint32_t)0xD0364141UL)

#define	SECP256K1_N_1 ((uint32_t)0xBFD25E8CUL)

#define	SECP256K1_N_2 ((uint32_t)0xAF48A03BUL)

#define	SECP256K1_N_3 ((uint32_t)0xBAAEDCE6UL)

#define	SECP256K1_N_4 ((uint32_t)0xFFFFFFFEUL)

#define	SECP256K1_N_5 ((uint32_t)0xFFFFFFFFUL)

#define	SECP256K1_N_6 ((uint32_t)0xFFFFFFFFUL)

#define	SECP256K1_N_7 ((uint32_t)0xFFFFFFFFUL)

#define	SECP256K1_N_C_0 (~SECP256K1_N_0 + 1)

#define	SECP256K1_N_C_1 (~SECP256K1_N_1)

#define	SECP256K1_N_C_2 (~SECP256K1_N_2)

#define	SECP256K1_N_C_3 (~SECP256K1_N_3)

#define	SECP256K1_N_C_4 (1)

#define	SECP256K1_N_H_0 ((uint32_t)0x681B20A0UL)

#define	SECP256K1_N_H_1 ((uint32_t)0xDFE92F46UL)

#define	SECP256K1_N_H_2 ((uint32_t)0x57A4501DUL)

#define	SECP256K1_N_H_3 ((uint32_t)0x5D576E73UL)

#define	SECP256K1_N_H_4 ((uint32_t)0xFFFFFFFFUL)

#define	SECP256K1_N_H_5 ((uint32_t)0xFFFFFFFFUL)

#define	SECP256K1_N_H_6 ((uint32_t)0xFFFFFFFFUL)

#define	SECP256K1_N_H_7 ((uint32_t)0x7FFFFFFFUL)

#define	muladd(a, b)
	Add a*b to the number defined by (c0,c1,c2). More...

#define	muladd_fast(a, b)
	Add a*b to the number defined by (c0,c1). More...

#define	muladd2(a, b)
	Add 2ab to the number defined by (c0,c1,c2). More...

#define	sumadd(a)
	Add a to the number defined by (c0,c1,c2). More...

#define	sumadd_fast(a)
	Add a to the number defined by (c0,c1). More...

#define	extract(n)
	Extract the lowest 32 bits of (c0,c1,c2) into n, and left shift the number 32 bits. More...

#define	extract_fast(n)
	Extract the lowest 32 bits of (c0,c1,c2) into n, and left shift the number 32 bits. More...

Functions
static SECP256K1_INLINE void	secp256k1_scalar_clear (secp256k1_scalar *r)

static SECP256K1_INLINE void	secp256k1_scalar_set_int (secp256k1_scalar *r, unsigned int v)

static SECP256K1_INLINE unsigned int	secp256k1_scalar_get_bits (const secp256k1_scalar *a, unsigned int offset, unsigned int count)

static SECP256K1_INLINE unsigned int	secp256k1_scalar_get_bits_var (const secp256k1_scalar *a, unsigned int offset, unsigned int count)

static SECP256K1_INLINE int	secp256k1_scalar_check_overflow (const secp256k1_scalar *a)

static SECP256K1_INLINE int	secp256k1_scalar_reduce (secp256k1_scalar *r, uint32_t overflow)

static int	secp256k1_scalar_add (secp256k1_scalar r, const secp256k1_scalar a, const secp256k1_scalar *b)

static void	secp256k1_scalar_cadd_bit (secp256k1_scalar *r, unsigned int bit, int flag)

static void	secp256k1_scalar_set_b32 (secp256k1_scalar r, const unsigned char b32, int *overflow)

static void	secp256k1_scalar_get_b32 (unsigned char bin, const secp256k1_scalar a)

static SECP256K1_INLINE int	secp256k1_scalar_is_zero (const secp256k1_scalar *a)

static void	secp256k1_scalar_negate (secp256k1_scalar r, const secp256k1_scalar a)

static SECP256K1_INLINE int	secp256k1_scalar_is_one (const secp256k1_scalar *a)

static int	secp256k1_scalar_is_high (const secp256k1_scalar *a)

static int	secp256k1_scalar_cond_negate (secp256k1_scalar *r, int flag)

static void	secp256k1_scalar_reduce_512 (secp256k1_scalar r, const uint32_t l)

static void	secp256k1_scalar_mul_512 (uint32_t l, const secp256k1_scalar a, const secp256k1_scalar *b)

static void	secp256k1_scalar_sqr_512 (uint32_t l, const secp256k1_scalar a)

static void	secp256k1_scalar_mul (secp256k1_scalar r, const secp256k1_scalar a, const secp256k1_scalar *b)

static int	secp256k1_scalar_shr_int (secp256k1_scalar *r, int n)

static void	secp256k1_scalar_sqr (secp256k1_scalar r, const secp256k1_scalar a)

static SECP256K1_INLINE int	secp256k1_scalar_eq (const secp256k1_scalar a, const secp256k1_scalar b)

static SECP256K1_INLINE void	secp256k1_scalar_mul_shift_var (secp256k1_scalar r, const secp256k1_scalar a, const secp256k1_scalar *b, unsigned int shift)

Macro Definition Documentation

◆ extract

#define extract ( n )

Value:

{ \
    (n) = c0; \
    c0 = c1; \
    c1 = c2; \
    c2 = 0; \
}

Extract the lowest 32 bits of (c0,c1,c2) into n, and left shift the number 32 bits.

Definition at line 334 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_mul_512(), secp256k1_scalar_reduce_512(), and secp256k1_scalar_sqr_512().

◆ extract_fast

#define extract_fast ( n )

Value:

{ \
    (n) = c0; \
    c0 = c1; \
    c1 = 0; \
    VERIFY_CHECK(c2 == 0); \
}

Extract the lowest 32 bits of (c0,c1,c2) into n, and left shift the number 32 bits.

c2 is required to be zero.

Definition at line 342 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_mul_512(), secp256k1_scalar_reduce_512(), and secp256k1_scalar_sqr_512().

◆ muladd

#define muladd	(	a,
		b
	)

Value:

{ \
    uint32_t tl, th; \
    { \
        uint64_t t = (uint64_t)a * b; \
        th = t >> 32;         /* at most 0xFFFFFFFE */ \
        tl = t; \
    } \
    c0 += tl;                 /* overflow is handled on the next line */ \
    th += (c0 < tl) ? 1 : 0;  /* at most 0xFFFFFFFF */ \
    c1 += th;                 /* overflow is handled on the next line */ \
    c2 += (c1 < th) ? 1 : 0;  /* never overflows by contract (verified in the next line) */ \
    VERIFY_CHECK((c1 >= th) || (c2 != 0)); \
}

Add a*b to the number defined by (c0,c1,c2).

c2 must never overflow.

Definition at line 266 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_mul_512(), secp256k1_scalar_reduce_512(), and secp256k1_scalar_sqr_512().

◆ muladd2

#define muladd2	(	a,
		b
	)

Value:

{ \
    uint32_t tl, th, th2, tl2; \
    { \
        uint64_t t = (uint64_t)a * b; \
        th = t >> 32;               /* at most 0xFFFFFFFE */ \
        tl = t; \
    } \
    th2 = th + th;                  /* at most 0xFFFFFFFE (in case th was 0x7FFFFFFF) */ \
    c2 += (th2 < th) ? 1 : 0;       /* never overflows by contract (verified the next line) */ \
    VERIFY_CHECK((th2 >= th) || (c2 != 0)); \
    tl2 = tl + tl;                  /* at most 0xFFFFFFFE (in case the lowest 63 bits of tl were 0x7FFFFFFF) */ \
    th2 += (tl2 < tl) ? 1 : 0;      /* at most 0xFFFFFFFF */ \
    c0 += tl2;                      /* overflow is handled on the next line */ \
    th2 += (c0 < tl2) ? 1 : 0;      /* second overflow is handled on the next line */ \
    c2 += (c0 < tl2) & (th2 == 0);  /* never overflows by contract (verified the next line) */ \
    VERIFY_CHECK((c0 >= tl2) || (th2 != 0) || (c2 != 0)); \
    c1 += th2;                      /* overflow is handled on the next line */ \
    c2 += (c1 < th2) ? 1 : 0;       /* never overflows by contract (verified the next line) */ \
    VERIFY_CHECK((c1 >= th2) || (c2 != 0)); \
}

Add 2*a*b to the number defined by (c0,c1,c2).

c2 must never overflow.

Definition at line 295 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_sqr_512().

◆ muladd_fast

#define muladd_fast	(	a,
		b
	)

Value:

{ \
    uint32_t tl, th; \
    { \
        uint64_t t = (uint64_t)a * b; \
        th = t >> 32;         /* at most 0xFFFFFFFE */ \
        tl = t; \
    } \
    c0 += tl;                 /* overflow is handled on the next line */ \
    th += (c0 < tl) ? 1 : 0;  /* at most 0xFFFFFFFF */ \
    c1 += th;                 /* never overflows by contract (verified in the next line) */ \
    VERIFY_CHECK(c1 >= th); \
}

Add a*b to the number defined by (c0,c1).

c1 must never overflow.

Definition at line 281 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_mul_512(), secp256k1_scalar_reduce_512(), and secp256k1_scalar_sqr_512().

◆ SECP256K1_N_0

#define SECP256K1_N_0 ((uint32_t)0xD0364141UL)

Definition at line 11 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_check_overflow(), secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ SECP256K1_N_1

#define SECP256K1_N_1 ((uint32_t)0xBFD25E8CUL)

Definition at line 12 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_check_overflow(), secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ SECP256K1_N_2

#define SECP256K1_N_2 ((uint32_t)0xAF48A03BUL)

Definition at line 13 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_check_overflow(), secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ SECP256K1_N_3

#define SECP256K1_N_3 ((uint32_t)0xBAAEDCE6UL)

Definition at line 14 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_check_overflow(), secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ SECP256K1_N_4

#define SECP256K1_N_4 ((uint32_t)0xFFFFFFFEUL)

Definition at line 15 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_check_overflow(), secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ SECP256K1_N_5

#define SECP256K1_N_5 ((uint32_t)0xFFFFFFFFUL)

Definition at line 16 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_check_overflow(), secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ SECP256K1_N_6

#define SECP256K1_N_6 ((uint32_t)0xFFFFFFFFUL)

Definition at line 17 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_check_overflow(), secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ SECP256K1_N_7

#define SECP256K1_N_7 ((uint32_t)0xFFFFFFFFUL)

Definition at line 18 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_check_overflow(), secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ SECP256K1_N_C_0

#define SECP256K1_N_C_0 (~SECP256K1_N_0 + 1)

Definition at line 21 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_reduce(), and secp256k1_scalar_reduce_512().

◆ SECP256K1_N_C_1

#define SECP256K1_N_C_1 (~SECP256K1_N_1)

Definition at line 22 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_reduce(), and secp256k1_scalar_reduce_512().

◆ SECP256K1_N_C_2

#define SECP256K1_N_C_2 (~SECP256K1_N_2)

Definition at line 23 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_reduce(), and secp256k1_scalar_reduce_512().

◆ SECP256K1_N_C_3

#define SECP256K1_N_C_3 (~SECP256K1_N_3)

Definition at line 24 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_reduce(), and secp256k1_scalar_reduce_512().

◆ SECP256K1_N_C_4

#define SECP256K1_N_C_4 (1)

Definition at line 25 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_reduce().

◆ SECP256K1_N_H_0

#define SECP256K1_N_H_0 ((uint32_t)0x681B20A0UL)

Definition at line 28 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_is_high().

◆ SECP256K1_N_H_1

#define SECP256K1_N_H_1 ((uint32_t)0xDFE92F46UL)

Definition at line 29 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_is_high().

◆ SECP256K1_N_H_2

#define SECP256K1_N_H_2 ((uint32_t)0x57A4501DUL)

Definition at line 30 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_is_high().

◆ SECP256K1_N_H_3

#define SECP256K1_N_H_3 ((uint32_t)0x5D576E73UL)

Definition at line 31 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_is_high().

◆ SECP256K1_N_H_4

#define SECP256K1_N_H_4 ((uint32_t)0xFFFFFFFFUL)

Definition at line 32 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_is_high().

◆ SECP256K1_N_H_5

#define SECP256K1_N_H_5 ((uint32_t)0xFFFFFFFFUL)

Definition at line 33 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_is_high().

◆ SECP256K1_N_H_6

#define SECP256K1_N_H_6 ((uint32_t)0xFFFFFFFFUL)

Definition at line 34 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_is_high().

◆ SECP256K1_N_H_7

#define SECP256K1_N_H_7 ((uint32_t)0x7FFFFFFFUL)

Definition at line 35 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_is_high().

◆ sumadd

#define sumadd ( a )

Value:

{ \
    unsigned int over; \
    c0 += (a);                  /* overflow is handled on the next line */ \
    over = (c0 < (a)) ? 1 : 0; \
    c1 += over;                 /* overflow is handled on the next line */ \
    c2 += (c1 < over) ? 1 : 0;  /* never overflows by contract */ \
}

Add a to the number defined by (c0,c1,c2).

c2 must never overflow.

Definition at line 317 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_reduce_512().

◆ sumadd_fast

#define sumadd_fast ( a )

Value:

{ \
    c0 += (a);                 /* overflow is handled on the next line */ \
    c1 += (c0 < (a)) ? 1 : 0;  /* never overflows by contract (verified the next line) */ \
    VERIFY_CHECK((c1 != 0) | (c0 >= (a))); \
    VERIFY_CHECK(c2 == 0); \
}

Add a to the number defined by (c0,c1).

c1 must never overflow, c2 must be zero.

Definition at line 326 of file scalar_8x32_impl.h.

Referenced by secp256k1_scalar_reduce_512().

Function Documentation

◆ secp256k1_scalar_add()

static int secp256k1_scalar_add	(	secp256k1_scalar *	r,
		const secp256k1_scalar *	a,
		const secp256k1_scalar *	b
	)

static

Definition at line 115 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, secp256k1_scalar_check_overflow(), secp256k1_scalar_reduce(), and VERIFY_CHECK.

◆ secp256k1_scalar_cadd_bit()

static void secp256k1_scalar_cadd_bit	(	secp256k1_scalar *	r,
		unsigned int	bit,
		int	flag
	)

static

Definition at line 139 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, secp256k1_scalar_check_overflow(), and VERIFY_CHECK.

Referenced by secp256k1_scalar_mul_shift_var().

◆ secp256k1_scalar_check_overflow()

static SECP256K1_INLINE int secp256k1_scalar_check_overflow ( const secp256k1_scalar * a )

static

Definition at line 75 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, SECP256K1_N_0, SECP256K1_N_1, SECP256K1_N_2, SECP256K1_N_3, SECP256K1_N_4, SECP256K1_N_5, SECP256K1_N_6, and SECP256K1_N_7.

Referenced by secp256k1_scalar_add(), secp256k1_scalar_cadd_bit(), secp256k1_scalar_reduce_512(), and secp256k1_scalar_set_b32().

◆ secp256k1_scalar_clear()

static SECP256K1_INLINE void secp256k1_scalar_clear ( secp256k1_scalar * r )

static

Definition at line 37 of file scalar_8x32_impl.h.

References secp256k1_scalar::d.

◆ secp256k1_scalar_cond_negate()

static int secp256k1_scalar_cond_negate	(	secp256k1_scalar *	r,
		int	flag
	)

static

Definition at line 238 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, immer::detail::hamts::mask, SECP256K1_N_0, SECP256K1_N_1, SECP256K1_N_2, SECP256K1_N_3, SECP256K1_N_4, SECP256K1_N_5, SECP256K1_N_6, SECP256K1_N_7, and secp256k1_scalar_is_zero().

◆ secp256k1_scalar_eq()

static SECP256K1_INLINE int secp256k1_scalar_eq	(	const secp256k1_scalar *	a,
		const secp256k1_scalar *	b
	)

static

Definition at line 696 of file scalar_8x32_impl.h.

References secp256k1_scalar::d.

◆ secp256k1_scalar_get_b32()

static void secp256k1_scalar_get_b32	(	unsigned char *	bin,
		const secp256k1_scalar *	a
	)

static

Definition at line 181 of file scalar_8x32_impl.h.

References secp256k1_scalar::d.

◆ secp256k1_scalar_get_bits()

static SECP256K1_INLINE unsigned int secp256k1_scalar_get_bits	(	const secp256k1_scalar *	a,
		unsigned int	offset,
		unsigned int	count
	)

static

Definition at line 59 of file scalar_8x32_impl.h.

References count, secp256k1_scalar::d, and VERIFY_CHECK.

Referenced by secp256k1_scalar_get_bits_var().

◆ secp256k1_scalar_get_bits_var()

static SECP256K1_INLINE unsigned int secp256k1_scalar_get_bits_var	(	const secp256k1_scalar *	a,
		unsigned int	offset,
		unsigned int	count
	)

static

Definition at line 64 of file scalar_8x32_impl.h.

References count, secp256k1_scalar::d, secp256k1_scalar_get_bits(), and VERIFY_CHECK.

◆ secp256k1_scalar_is_high()

static int secp256k1_scalar_is_high ( const secp256k1_scalar * a )

static

Definition at line 220 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, SECP256K1_N_H_0, SECP256K1_N_H_1, SECP256K1_N_H_2, SECP256K1_N_H_3, SECP256K1_N_H_4, SECP256K1_N_H_5, SECP256K1_N_H_6, and SECP256K1_N_H_7.

◆ secp256k1_scalar_is_one()

static SECP256K1_INLINE int secp256k1_scalar_is_one ( const secp256k1_scalar * a )

static

Definition at line 216 of file scalar_8x32_impl.h.

References secp256k1_scalar::d.

◆ secp256k1_scalar_is_zero()

static SECP256K1_INLINE int secp256k1_scalar_is_zero ( const secp256k1_scalar * a )

static

Definition at line 192 of file scalar_8x32_impl.h.

References secp256k1_scalar::d.

Referenced by secp256k1_scalar_cond_negate(), and secp256k1_scalar_negate().

◆ secp256k1_scalar_mul()

static void secp256k1_scalar_mul	(	secp256k1_scalar *	r,
		const secp256k1_scalar *	a,
		const secp256k1_scalar *	b
	)

static

Definition at line 647 of file scalar_8x32_impl.h.

References secp256k1_scalar_mul_512(), and secp256k1_scalar_reduce_512().

◆ secp256k1_scalar_mul_512()

static void secp256k1_scalar_mul_512	(	uint32_t *	l,
		const secp256k1_scalar *	a,
		const secp256k1_scalar *	b
	)

static

Definition at line 491 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, extract, extract_fast, muladd, muladd_fast, and VERIFY_CHECK.

Referenced by secp256k1_scalar_mul(), and secp256k1_scalar_mul_shift_var().

◆ secp256k1_scalar_mul_shift_var()

static SECP256K1_INLINE void secp256k1_scalar_mul_shift_var	(	secp256k1_scalar *	r,
		const secp256k1_scalar *	a,
		const secp256k1_scalar *	b,
		unsigned int	shift
	)

static

Definition at line 700 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, secp256k1_scalar_cadd_bit(), secp256k1_scalar_mul_512(), and VERIFY_CHECK.

◆ secp256k1_scalar_negate()

static void secp256k1_scalar_negate	(	secp256k1_scalar *	r,
		const secp256k1_scalar *	a
	)

static

Definition at line 196 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, SECP256K1_N_0, SECP256K1_N_1, SECP256K1_N_2, SECP256K1_N_3, SECP256K1_N_4, SECP256K1_N_5, SECP256K1_N_6, SECP256K1_N_7, and secp256k1_scalar_is_zero().

◆ secp256k1_scalar_reduce()

static SECP256K1_INLINE int secp256k1_scalar_reduce	(	secp256k1_scalar *	r,
		uint32_t	overflow
	)

static

Definition at line 93 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, SECP256K1_N_C_0, SECP256K1_N_C_1, SECP256K1_N_C_2, SECP256K1_N_C_3, SECP256K1_N_C_4, and VERIFY_CHECK.

Referenced by secp256k1_scalar_add(), secp256k1_scalar_reduce_512(), and secp256k1_scalar_set_b32().

◆ secp256k1_scalar_reduce_512()

static void secp256k1_scalar_reduce_512	(	secp256k1_scalar *	r,
		const uint32_t *	l
	)

static

Definition at line 349 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, extract, extract_fast, muladd, muladd_fast, SECP256K1_N_C_0, SECP256K1_N_C_1, SECP256K1_N_C_2, SECP256K1_N_C_3, secp256k1_scalar_check_overflow(), secp256k1_scalar_reduce(), sumadd, sumadd_fast, and VERIFY_CHECK.

Referenced by secp256k1_scalar_mul(), and secp256k1_scalar_sqr().

◆ secp256k1_scalar_set_b32()

static void secp256k1_scalar_set_b32	(	secp256k1_scalar *	r,
		const unsigned char *	b32,
		int *	overflow
	)

static

Definition at line 165 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, secp256k1_scalar_check_overflow(), and secp256k1_scalar_reduce().

◆ secp256k1_scalar_set_int()

static SECP256K1_INLINE void secp256k1_scalar_set_int	(	secp256k1_scalar *	r,
		unsigned int	v
	)

static

Definition at line 48 of file scalar_8x32_impl.h.

References secp256k1_scalar::d.

◆ secp256k1_scalar_shr_int()

static int secp256k1_scalar_shr_int	(	secp256k1_scalar *	r,
		int	n
	)

static

Definition at line 653 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, and VERIFY_CHECK.

◆ secp256k1_scalar_sqr()

static void secp256k1_scalar_sqr	(	secp256k1_scalar *	r,
		const secp256k1_scalar *	a
	)

static

Definition at line 669 of file scalar_8x32_impl.h.

References secp256k1_scalar_reduce_512(), and secp256k1_scalar_sqr_512().

◆ secp256k1_scalar_sqr_512()

static void secp256k1_scalar_sqr_512	(	uint32_t *	l,
		const secp256k1_scalar *	a
	)

static

Definition at line 579 of file scalar_8x32_impl.h.

References secp256k1_scalar::d, extract, extract_fast, muladd, muladd2, muladd_fast, and VERIFY_CHECK.

Referenced by secp256k1_scalar_sqr().

Dash Core Source Documentation (0.16.0.1)

Macros

Functions

Macro Definition Documentation

◆ extract

◆ extract_fast

◆ muladd

◆ muladd2

◆ muladd_fast

◆ SECP256K1_N_0

◆ SECP256K1_N_1

◆ SECP256K1_N_2

◆ SECP256K1_N_3

◆ SECP256K1_N_4

◆ SECP256K1_N_5

◆ SECP256K1_N_6

◆ SECP256K1_N_7

◆ SECP256K1_N_C_0

◆ SECP256K1_N_C_1

◆ SECP256K1_N_C_2

◆ SECP256K1_N_C_3

◆ SECP256K1_N_C_4

◆ SECP256K1_N_H_0

◆ SECP256K1_N_H_1

◆ SECP256K1_N_H_2

◆ SECP256K1_N_H_3

◆ SECP256K1_N_H_4

◆ SECP256K1_N_H_5

◆ SECP256K1_N_H_6

◆ SECP256K1_N_H_7

◆ sumadd

◆ sumadd_fast

Function Documentation

◆ secp256k1_scalar_add()

◆ secp256k1_scalar_cadd_bit()

◆ secp256k1_scalar_check_overflow()

◆ secp256k1_scalar_clear()

◆ secp256k1_scalar_cond_negate()

◆ secp256k1_scalar_eq()

◆ secp256k1_scalar_get_b32()

◆ secp256k1_scalar_get_bits()

◆ secp256k1_scalar_get_bits_var()

◆ secp256k1_scalar_is_high()

◆ secp256k1_scalar_is_one()

◆ secp256k1_scalar_is_zero()

◆ secp256k1_scalar_mul()

◆ secp256k1_scalar_mul_512()

◆ secp256k1_scalar_mul_shift_var()

◆ secp256k1_scalar_negate()

◆ secp256k1_scalar_reduce()

◆ secp256k1_scalar_reduce_512()

◆ secp256k1_scalar_set_b32()

◆ secp256k1_scalar_set_int()

◆ secp256k1_scalar_shr_int()

◆ secp256k1_scalar_sqr()

◆ secp256k1_scalar_sqr_512()