EC_KEY_get_enc_flags (3)
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NAME
EC_KEY_new, EC_KEY_get_flags, EC_KEY_set_flags, EC_KEY_clear_flags, EC_KEY_new_by_curve_name, EC_KEY_free, EC_KEY_copy, EC_KEY_dup, EC_KEY_up_ref, EC_KEY_get0_group, EC_KEY_set_group, EC_KEY_get0_private_key, EC_KEY_set_private_key, EC_KEY_get0_public_key, EC_KEY_set_public_key, EC_KEY_get_enc_flags, EC_KEY_set_enc_flags, EC_KEY_get_conv_form, EC_KEY_set_conv_form, EC_KEY_get_key_method_data, EC_KEY_insert_key_method_data, EC_KEY_set_asn1_flag, EC_KEY_precompute_mult, EC_KEY_generate_key, EC_KEY_check_key, EC_KEY_set_public_key_affine_coordinates - Functions for creating, destroying and manipulating EC_KEY objects.SYNOPSIS
#include <openssl/ec.h> #include <openssl/bn.h> EC_KEY *EC_KEY_new(void); int EC_KEY_get_flags(const EC_KEY *key); void EC_KEY_set_flags(EC_KEY *key, int flags); void EC_KEY_clear_flags(EC_KEY *key, int flags); EC_KEY *EC_KEY_new_by_curve_name(int nid); void EC_KEY_free(EC_KEY *key); EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src); EC_KEY *EC_KEY_dup(const EC_KEY *src); int EC_KEY_up_ref(EC_KEY *key); const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key); int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group); const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key); int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv); const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key); int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub); point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key); void EC_KEY_set_conv_form(EC_KEY *eckey, point_conversion_form_t cform); void *EC_KEY_get_key_method_data(EC_KEY *key, void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); void EC_KEY_insert_key_method_data(EC_KEY *key, void *data, void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag); int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx); int EC_KEY_generate_key(EC_KEY *key); int EC_KEY_check_key(const EC_KEY *key); int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, BIGNUM *y);
DESCRIPTION
AnAlternatively a new
Calling EC_KEY_free decrements the reference count for the
EC_KEY_copy copies the contents of the
EC_KEY_dup creates a new
EC_KEY_up_ref increments the reference count associated with the
EC_KEY_generate_key generates a new public and private key for the supplied eckey object. eckey must have an
EC_KEY_check_key performs various sanity checks on the
EC_KEY_set_public_key_affine_coordinates sets the public key for key based on its affine co-ordinates, i.e. it constructs an
The functions EC_KEY_get0_group, EC_KEY_set_group, EC_KEY_get0_private_key, EC_KEY_set_private_key, EC_KEY_get0_public_key, and EC_KEY_set_public_key get and set the
The functions EC_KEY_get_conv_form and EC_KEY_set_conv_form get and set the point_conversion_form for the key. For a description of point_conversion_forms please refer to EC_POINT_new(3).
EC_KEY_insert_key_method_data and EC_KEY_get_key_method_data enable the caller to associate arbitrary additional data specific to the elliptic curve scheme being used with the
EC_KEY_set_flags sets the flags in the flags parameter on the
EC_KEY_set_asn1_flag sets the asn1_flag on the underlying
EC_KEY_precompute_mult stores multiples of the underlying
RETURN VALUES
EC_KEY_new, EC_KEY_new_by_curve_name and EC_KEY_dup return a pointer to the newly createdEC_KEY_get_flags returns the flags associated with the
EC_KEY_copy returns a pointer to the destination key, or
EC_KEY_up_ref, EC_KEY_set_group, EC_KEY_set_private_key, EC_KEY_set_public_key, EC_KEY_precompute_mult, EC_KEY_generate_key, EC_KEY_check_key and EC_KEY_set_public_key_affine_coordinates return 1 on success or 0 on error.
EC_KEY_get0_group returns the
EC_KEY_get0_private_key returns the private key associated with the
EC_KEY_get_conv_form return the point_conversion_form for the