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xs/sc_ssl/openssl/source/crypto/ec/ec.h  view on Meta::CPAN

int EC_POINTs_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *);


int EC_POINTs_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, size_t num, const EC_POINT *[], const BIGNUM *[], BN_CTX *);
int EC_POINT_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, const EC_POINT *, const BIGNUM *, BN_CTX *);

/* EC_GROUP_precompute_mult() stores multiples of generator for faster point multiplication */
int EC_GROUP_precompute_mult(EC_GROUP *, BN_CTX *);
/* EC_GROUP_have_precompute_mult() reports whether such precomputation has been done */
int EC_GROUP_have_precompute_mult(const EC_GROUP *);



/* ASN1 stuff */

/* EC_GROUP_get_basis_type() returns the NID of the basis type
 * used to represent the field elements */
int EC_GROUP_get_basis_type(const EC_GROUP *);
int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k);
int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1, 
	unsigned int *k2, unsigned int *k3);

#define OPENSSL_EC_NAMED_CURVE	0x001

typedef struct ecpk_parameters_st ECPKPARAMETERS;

EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len);
int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out);

#define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x)
#define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x)
#define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \
                (char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x))
#define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \
		(unsigned char *)(x))

#ifndef OPENSSL_NO_BIO
int     ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off);
#endif
#ifndef OPENSSL_NO_FP_API
int     ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off);
#endif

/* the EC_KEY stuff */
typedef struct ec_key_st EC_KEY;

/* some values for the encoding_flag */
#define EC_PKEY_NO_PARAMETERS	0x001
#define EC_PKEY_NO_PUBKEY	0x002

EC_KEY *EC_KEY_new(void);
EC_KEY *EC_KEY_new_by_curve_name(int nid);
void EC_KEY_free(EC_KEY *);
EC_KEY *EC_KEY_copy(EC_KEY *, const EC_KEY *);
EC_KEY *EC_KEY_dup(const EC_KEY *);

int EC_KEY_up_ref(EC_KEY *);

const EC_GROUP *EC_KEY_get0_group(const EC_KEY *);
int EC_KEY_set_group(EC_KEY *, const EC_GROUP *);
const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *);
int EC_KEY_set_private_key(EC_KEY *, const BIGNUM *);
const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *);
int EC_KEY_set_public_key(EC_KEY *, const EC_POINT *);
unsigned EC_KEY_get_enc_flags(const EC_KEY *);
void EC_KEY_set_enc_flags(EC_KEY *, unsigned int);
point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *);
void EC_KEY_set_conv_form(EC_KEY *, point_conversion_form_t);
/* functions to set/get method specific data  */
void *EC_KEY_get_key_method_data(EC_KEY *, 
	void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *));
void EC_KEY_insert_key_method_data(EC_KEY *, void *data,
	void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *));
/* wrapper functions for the underlying EC_GROUP object */
void EC_KEY_set_asn1_flag(EC_KEY *, int);
int EC_KEY_precompute_mult(EC_KEY *, BN_CTX *ctx);

/* EC_KEY_generate_key() creates a ec private (public) key */
int EC_KEY_generate_key(EC_KEY *);
/* EC_KEY_check_key() */
int EC_KEY_check_key(const EC_KEY *);

/* de- and encoding functions for SEC1 ECPrivateKey */
EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len);
int i2d_ECPrivateKey(EC_KEY *a, unsigned char **out);
/* de- and encoding functions for EC parameters */
EC_KEY *d2i_ECParameters(EC_KEY **a, const unsigned char **in, long len);
int i2d_ECParameters(EC_KEY *a, unsigned char **out);
/* de- and encoding functions for EC public key
 * (octet string, not DER -- hence 'o2i' and 'i2o') */
EC_KEY *o2i_ECPublicKey(EC_KEY **a, const unsigned char **in, long len);
int i2o_ECPublicKey(EC_KEY *a, unsigned char **out);

#ifndef OPENSSL_NO_BIO
int	ECParameters_print(BIO *bp, const EC_KEY *x);
int	EC_KEY_print(BIO *bp, const EC_KEY *x, int off);
#endif
#ifndef OPENSSL_NO_FP_API
int	ECParameters_print_fp(FILE *fp, const EC_KEY *x);
int	EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off);
#endif

#define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)

#ifndef __cplusplus
#if defined(__SUNPRO_C)
#  if __SUNPRO_C >= 0x520
# pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
#  endif
# endif
#endif

/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_EC_strings(void);

/* Error codes for the EC functions. */

/* Function codes. */
#define EC_F_COMPUTE_WNAF				 143