Referencia del Archivo src/libdigidoc/openssl/crypto/bn/bn_nist.c

#include "bn_lcl.h"
#include "cryptlib.h"

'defines'
#define	BN_NIST_192_TOP   (192+BN_BITS2-1)/BN_BITS2
#define	BN_NIST_224_TOP   (224+BN_BITS2-1)/BN_BITS2
#define	BN_NIST_256_TOP   (256+BN_BITS2-1)/BN_BITS2
#define	BN_NIST_384_TOP   (384+BN_BITS2-1)/BN_BITS2
#define	BN_NIST_521_TOP   (521+BN_BITS2-1)/BN_BITS2
#define	bn_cp_64(to, n, from, m)
#define	bn_64_set_0(to, n)
#define	nist_set_192(to, from, a1, a2, a3)
#define	nist_set_224(to, from, a1, a2, a3, a4, a5, a6, a7)
#define	nist_set_256(to, from, a1, a2, a3, a4, a5, a6, a7, a8)
#define	nist_set_384(to, from, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12)
#define	BN_NIST_521_RSHIFT   (521%BN_BITS2)
#define	BN_NIST_521_LSHIFT   (BN_BITS2-BN_NIST_521_RSHIFT)
#define	BN_NIST_521_TOP_MASK   ((BN_ULONG)BN_MASK2>>BN_NIST_521_LSHIFT)
'typedefs'
typedef BN_ULONG(*	bn_addsub_f )(BN_ULONG *, const BN_ULONG *, const BN_ULONG *, int)
Funciones
const BIGNUM *	BN_get0_nist_prime_192 (void)
const BIGNUM *	BN_get0_nist_prime_224 (void)
const BIGNUM *	BN_get0_nist_prime_256 (void)
const BIGNUM *	BN_get0_nist_prime_384 (void)
const BIGNUM *	BN_get0_nist_prime_521 (void)
int	BN_nist_mod_192 (BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx)
int	BN_nist_mod_224 (BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx)
int	BN_nist_mod_256 (BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx)
int	BN_nist_mod_384 (BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx)
int	BN_nist_mod_521 (BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx)

---

Documentación de los 'defines'

#define bn_64_set_0	(		to,
			n
	)

Valor:

{ \
        bn_32_set_0(to, (n)*2); \
        bn_32_set_0(to, (n)*2+1); \
        }

#define bn_cp_64	(		to,
			n,
			from,
			m
	)

Valor:

{ \
        bn_cp_32(to, (n)*2, from, (m)*2); \
        bn_cp_32(to, (n)*2+1, from, (m)*2+1); \
        }

#define BN_NIST_192_TOP   (192+BN_BITS2-1)/BN_BITS2

#define BN_NIST_224_TOP   (224+BN_BITS2-1)/BN_BITS2

#define BN_NIST_256_TOP   (256+BN_BITS2-1)/BN_BITS2

#define BN_NIST_384_TOP   (384+BN_BITS2-1)/BN_BITS2

#define BN_NIST_521_LSHIFT   (BN_BITS2-BN_NIST_521_RSHIFT)

#define BN_NIST_521_RSHIFT   (521%BN_BITS2)

#define BN_NIST_521_TOP   (521+BN_BITS2-1)/BN_BITS2

#define BN_NIST_521_TOP_MASK   ((BN_ULONG)BN_MASK2>>BN_NIST_521_LSHIFT)

#define nist_set_192	(		to,
			from,
			a1,
			a2,
			a3
	)

Valor:

{ \
        bn_cp_64(to, 0, from, (a3) - 3) \
        bn_cp_64(to, 1, from, (a2) - 3) \
        bn_cp_64(to, 2, from, (a1) - 3) \
        }

#define nist_set_224	(		to,
			from,
			a1,
			a2,
			a3,
			a4,
			a5,
			a6,
			a7
	)

Valor:

{ \
        bn_cp_32(to, 0, from, (a7) - 7) \
        bn_cp_32(to, 1, from, (a6) - 7) \
        bn_cp_32(to, 2, from, (a5) - 7) \
        bn_cp_32(to, 3, from, (a4) - 7) \
        bn_cp_32(to, 4, from, (a3) - 7) \
        bn_cp_32(to, 5, from, (a2) - 7) \
        bn_cp_32(to, 6, from, (a1) - 7) \
        }

#define nist_set_256	(		to,
			from,
			a1,
			a2,
			a3,
			a4,
			a5,
			a6,
			a7,
			a8
	)

Valor:

{ \
        bn_cp_32(to, 0, from, (a8) - 8) \
        bn_cp_32(to, 1, from, (a7) - 8) \
        bn_cp_32(to, 2, from, (a6) - 8) \
        bn_cp_32(to, 3, from, (a5) - 8) \
        bn_cp_32(to, 4, from, (a4) - 8) \
        bn_cp_32(to, 5, from, (a3) - 8) \
        bn_cp_32(to, 6, from, (a2) - 8) \
        bn_cp_32(to, 7, from, (a1) - 8) \
        }

#define nist_set_384	(		to,
			from,
			a1,
			a2,
			a3,
			a4,
			a5,
			a6,
			a7,
			a8,
			a9,
			a10,
			a11,
			a12
	)

Valor:

{ \
        bn_cp_32(to, 0, from,  (a12) - 12) \
        bn_cp_32(to, 1, from,  (a11) - 12) \
        bn_cp_32(to, 2, from,  (a10) - 12) \
        bn_cp_32(to, 3, from,  (a9) - 12)  \
        bn_cp_32(to, 4, from,  (a8) - 12)  \
        bn_cp_32(to, 5, from,  (a7) - 12)  \
        bn_cp_32(to, 6, from,  (a6) - 12)  \
        bn_cp_32(to, 7, from,  (a5) - 12)  \
        bn_cp_32(to, 8, from,  (a4) - 12)  \
        bn_cp_32(to, 9, from,  (a3) - 12)  \
        bn_cp_32(to, 10, from, (a2) - 12)  \
        bn_cp_32(to, 11, from, (a1) - 12)  \
        }

---

Documentación de los 'typedefs'

typedef BN_ULONG(* bn_addsub_f)(BN_ULONG *, const BN_ULONG *, const BN_ULONG *, int)

---

Documentación de las funciones

const BIGNUM* BN_get0_nist_prime_192

(

void

)

const BIGNUM* BN_get0_nist_prime_224

(

void

)

const BIGNUM* BN_get0_nist_prime_256

(

void

)

const BIGNUM* BN_get0_nist_prime_384

(

void

)

const BIGNUM* BN_get0_nist_prime_521

(

void

)

int BN_nist_mod_192	(	BIGNUM *	r,
		const BIGNUM *	a,
		const BIGNUM *	field,
		BN_CTX *	ctx
	)

int BN_nist_mod_224	(	BIGNUM *	r,
		const BIGNUM *	a,
		const BIGNUM *	field,
		BN_CTX *	ctx
	)

int BN_nist_mod_256	(	BIGNUM *	r,
		const BIGNUM *	a,
		const BIGNUM *	field,
		BN_CTX *	ctx
	)

int BN_nist_mod_384	(	BIGNUM *	r,
		const BIGNUM *	a,
		const BIGNUM *	field,
		BN_CTX *	ctx
	)

int BN_nist_mod_521	(	BIGNUM *	r,
		const BIGNUM *	a,
		const BIGNUM *	field,
		BN_CTX *	ctx
	)