src/_cffi_src/openssl/ec.py


1
2
pre { line-height: 125%; margin: 0; }
td.linenos pre { color: #000000; background-color: #f0f0f0; padding: 0 5px 0 5px; }
span.linenos { color: #000000; background-color: #f0f0f0; padding: 0 5px 0 5px; }
td.linenos pre.special { color: #000000; background-color: #ffffc0; padding: 0 5px 0 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding: 0 5px 0 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight { background: #ffffff; }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */#! /bin/sh

. ../../testenv.sh

export GHDL_STD_FLAGS=--std=93
analyze my_entity.vhdl

clean

echo "Test successful"
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

from __future__ import absolute_import, division, print_function

INCLUDES = """
#ifndef OPENSSL_NO_EC
#include <openssl/ec.h>
#endif

#include <openssl/obj_mac.h>
"""

TYPES = """
static const int Cryptography_HAS_EC;
static const int Cryptography_HAS_EC_1_0_1;
static const int Cryptography_HAS_EC2M;
static const int Cryptography_HAS_EC_1_0_2;

static const int OPENSSL_EC_NAMED_CURVE;

typedef ... EC_KEY;
typedef ... EC_GROUP;
typedef ... EC_POINT;
typedef ... EC_METHOD;
typedef struct {
    int nid;
    const char *comment;
} EC_builtin_curve;
typedef enum {
    POINT_CONVERSION_COMPRESSED,
    POINT_CONVERSION_UNCOMPRESSED,
    POINT_CONVERSION_HYBRID,
    ...
} point_conversion_form_t;
"""

FUNCTIONS = """
"""

MACROS = """
EC_GROUP *EC_GROUP_new(const EC_METHOD *);
void EC_GROUP_free(EC_GROUP *);
void EC_GROUP_clear_free(EC_GROUP *);

EC_GROUP *EC_GROUP_new_curve_GFp(
    const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
EC_GROUP *EC_GROUP_new_curve_GF2m(
    const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
EC_GROUP *EC_GROUP_new_by_curve_name(int);

int EC_GROUP_set_curve_GFp(
    EC_GROUP *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
int EC_GROUP_get_curve_GFp(
    const EC_GROUP *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);
int EC_GROUP_set_curve_GF2m(
    EC_GROUP *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
int EC_GROUP_get_curve_GF2m(
    const EC_GROUP *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);

int EC_GROUP_get_degree(const EC_GROUP *);
void EC_GROUP_set_asn1_flag(EC_GROUP *, int);
void EC_GROUP_set_point_conversion_form(EC_GROUP *, point_conversion_form_t);

const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *);
const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *);
int EC_GROUP_get_curve_name(const EC_GROUP *);

size_t EC_get_builtin_curves(EC_builtin_curve *, size_t);

EC_KEY *EC_KEY_new(void);
void EC_KEY_free(EC_KEY *);

int EC_KEY_get_flags(const EC_KEY *);
void EC_KEY_set_flags(EC_KEY *, int);
void EC_KEY_clear_flags(EC_KEY *, int);
EC_KEY *EC_KEY_new_by_curve_name(int);
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_GROUP_get_order(const EC_GROUP *, BIGNUM *, BN_CTX *);
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 int EC_KEY_get_enc_flags(const EC_KEY *);
void EC_KEY_set_enc_flags(EC_KEY *eckey, 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);
void *EC_KEY_get_key_method_data(
    EC_KEY *,
    void *(*)(void *),
    void (*)(void *),
    void (*)(void *)
);
void EC_KEY_insert_key_method_data(
    EC_KEY *,
    void *,
    void *(*)(void *),
    void (*)(void *),
    void (*)(void *)
);
void EC_KEY_set_asn1_flag(EC_KEY *, int);
int EC_KEY_precompute_mult(EC_KEY *, BN_CTX *);
int EC_KEY_generate_key(EC_KEY *);
int EC_KEY_check_key(const EC_KEY *);
int EC_KEY_set_public_key_affine_coordinates(EC_KEY *, BIGNUM *, BIGNUM *);

EC_POINT *EC_POINT_new(const EC_GROUP *);
void EC_POINT_free(EC_POINT *);
void EC_POINT_clear_free(EC_POINT *);
int EC_POINT_copy(EC_POINT *, const EC_POINT *);
EC_POINT *EC_POINT_dup(const EC_POINT *, const EC_GROUP *);
const EC_METHOD *EC_POINT_method_of(const EC_POINT *);

int EC_POINT_set_to_infinity(const EC_GROUP *, EC_POINT *);

int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);

int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *,
    const EC_POINT *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);

int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, const BIGNUM *, BN_CTX *);

int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *,
    const EC_POINT *, BIGNUM *, BIGNUM *, BN_CTX *);

int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, int, BN_CTX *);

int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, const BIGNUM *, BN_CTX *);

int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *,
    const EC_POINT *, BIGNUM *, BIGNUM *, BN_CTX *);

int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, int, BN_CTX *);

size_t EC_POINT_point2oct(const EC_GROUP *, const EC_POINT *,
    point_conversion_form_t,
    unsigned char *, size_t, BN_CTX *);

int EC_POINT_oct2point(const EC_GROUP *, EC_POINT *,
    const unsigned char *, size_t, BN_CTX *);

BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
    point_conversion_form_t form, BIGNUM *, BN_CTX *);

EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *,
    EC_POINT *, BN_CTX *);

char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *,
    point_conversion_form_t form, BN_CTX *);

EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *,
    EC_POINT *, BN_CTX *);

int EC_POINT_add(const EC_GROUP *, EC_POINT *, const EC_POINT *,
    const EC_POINT *, BN_CTX *);

int EC_POINT_dbl(const EC_GROUP *, EC_POINT *, const EC_POINT *, BN_CTX *);
int EC_POINT_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
int EC_POINT_is_at_infinity(const EC_GROUP *, const EC_POINT *);
int EC_POINT_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);

int EC_POINT_cmp(
    const EC_GROUP *, const EC_POINT *, const EC_POINT *, BN_CTX *);

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

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

int EC_POINT_mul(const EC_GROUP *, EC_POINT *, const BIGNUM *,
    const EC_POINT *, const BIGNUM *, BN_CTX *);

int EC_GROUP_precompute_mult(EC_GROUP *, BN_CTX *);
int EC_GROUP_have_precompute_mult(const EC_GROUP *);

const EC_METHOD *EC_GFp_simple_method();
const EC_METHOD *EC_GFp_mont_method();
const EC_METHOD *EC_GFp_nist_method();

const EC_METHOD *EC_GF2m_simple_method();

int EC_METHOD_get_field_type(const EC_METHOD *);

const char *EC_curve_nid2nist(int);
"""

CUSTOMIZATIONS = """
#ifdef OPENSSL_NO_EC
static const long Cryptography_HAS_EC = 0;

typedef void EC_KEY;
typedef void EC_GROUP;
typedef void EC_POINT;
typedef void EC_METHOD;
typedef struct {
    int nid;
    const char *comment;
} EC_builtin_curve;
typedef enum {
    POINT_CONVERSION_COMPRESSED,
    POINT_CONVERSION_UNCOMPRESSED,
    POINT_CONVERSION_HYBRID,
} point_conversion_form_t;

static const int OPENSSL_EC_NAMED_CURVE = 0;

void (*EC_KEY_free)(EC_KEY *) = NULL;
EC_KEY *(*EC_KEY_new)(void) = NULL;
size_t (*EC_get_builtin_curves)(EC_builtin_curve *, size_t) = NULL;
EC_KEY *(*EC_KEY_new_by_curve_name)(int) = NULL;
EC_KEY *(*EC_KEY_copy)(EC_KEY *, const EC_KEY *) = NULL;
EC_KEY *(*EC_KEY_dup)(const EC_KEY *) = NULL;
int (*EC_KEY_up_ref)(EC_KEY *) = NULL;
const EC_GROUP *(*EC_KEY_get0_group)(const EC_KEY *) = NULL;
int (*EC_GROUP_get_order)(const EC_GROUP *, BIGNUM *, BN_CTX *) = NULL;
int (*EC_KEY_set_group)(EC_KEY *, const EC_GROUP *) = NULL;
void (*EC_GROUP_set_asn1_flag)(EC_GROUP *, int) = NULL;
void (*EC_GROUP_set_point_conversion_form)(EC_GROUP *,
                                           point_conversion_form_t) = NULL;
const BIGNUM *(*EC_KEY_get0_private_key)(const EC_KEY *) = NULL;
int (*EC_KEY_set_private_key)(EC_KEY *, const BIGNUM *) = NULL;
const EC_POINT *(*EC_KEY_get0_public_key)(const EC_KEY *) = NULL;
int (*EC_KEY_set_public_key)(EC_KEY *, const EC_POINT *) = NULL;
unsigned int (*EC_KEY_get_enc_flags)(const EC_KEY *) = NULL;
void (*EC_KEY_set_enc_flags)(EC_KEY *eckey, unsigned int) = NULL;
point_conversion_form_t (*EC_KEY_get_conv_form)(const EC_KEY *) = NULL;
void (*EC_KEY_set_conv_form)(EC_KEY *, point_conversion_form_t) = NULL;
void *(*EC_KEY_get_key_method_data)(
    EC_KEY *, void *(*)(void *), void (*)(void *), void (*)(void *)) = NULL;
void (*EC_KEY_insert_key_method_data)(
    EC_KEY *, void *,
    void *(*)(void *), void (*)(void *), void (*)(void *)) = NULL;
void (*EC_KEY_set_asn1_flag)(EC_KEY *, int) = NULL;
int (*EC_KEY_precompute_mult)(EC_KEY *, BN_CTX *) = NULL;
int (*EC_KEY_generate_key)(EC_KEY *) = NULL;
int (*EC_KEY_check_key)(const EC_KEY *) = NULL;

EC_GROUP *(*EC_GROUP_new)(const EC_METHOD *);
void (*EC_GROUP_free)(EC_GROUP *);
void (*EC_GROUP_clear_free)(EC_GROUP *);

EC_GROUP *(*EC_GROUP_new_curve_GFp)(
    const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);

EC_GROUP *(*EC_GROUP_new_by_curve_name)(int);

int (*EC_GROUP_set_curve_GFp)(
    EC_GROUP *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);

int (*EC_GROUP_get_curve_GFp)(
    const EC_GROUP *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);

int (*EC_GROUP_get_degree)(const EC_GROUP *) = NULL;

const EC_METHOD *(*EC_GROUP_method_of)(const EC_GROUP *) = NULL;
const EC_POINT *(*EC_GROUP_get0_generator)(const EC_GROUP *) = NULL;
int (*EC_GROUP_get_curve_name)(const EC_GROUP *) = NULL;

EC_POINT *(*EC_POINT_new)(const EC_GROUP *) = NULL;
void (*EC_POINT_free)(EC_POINT *) = NULL;
void (*EC_POINT_clear_free)(EC_POINT *) = NULL;
int (*EC_POINT_copy)(EC_POINT *, const EC_POINT *) = NULL;
EC_POINT *(*EC_POINT_dup)(const EC_POINT *, const EC_GROUP *) = NULL;
const EC_METHOD *(*EC_POINT_method_of)(const EC_POINT *) = NULL;
int (*EC_POINT_set_to_infinity)(const EC_GROUP *, EC_POINT *) = NULL;
int (*EC_POINT_set_Jprojective_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *) = NULL;

int (*EC_POINT_get_Jprojective_coordinates_GFp)(const EC_GROUP *,
    const EC_POINT *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *) = NULL;

int (*EC_POINT_set_affine_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, const BIGNUM *, BN_CTX *) = NULL;

int (*EC_POINT_get_affine_coordinates_GFp)(const EC_GROUP *,
    const EC_POINT *, BIGNUM *, BIGNUM *, BN_CTX *) = NULL;

int (*EC_POINT_set_compressed_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, int, BN_CTX *) = NULL;

size_t (*EC_POINT_point2oct)(const EC_GROUP *, const EC_POINT *,
    point_conversion_form_t,
    unsigned char *, size_t, BN_CTX *) = NULL;

int (*EC_POINT_oct2point)(const EC_GROUP *, EC_POINT *,
    const unsigned char *, size_t, BN_CTX *) = NULL;

BIGNUM *(*EC_POINT_point2bn)(const EC_GROUP *, const EC_POINT *,
    point_conversion_form_t form, BIGNUM *, BN_CTX *) = NULL;

EC_POINT *(*EC_POINT_bn2point)(const EC_GROUP *, const BIGNUM *,
    EC_POINT *, BN_CTX *) = NULL;

char *(*EC_POINT_point2hex)(const EC_GROUP *, const EC_POINT *,
    point_conversion_form_t form, BN_CTX *) = NULL;

EC_POINT *(*EC_POINT_hex2point)(const EC_GROUP *, const char *,
    EC_POINT *, BN_CTX *) = NULL;

int (*EC_POINT_add)(const EC_GROUP *, EC_POINT *, const EC_POINT *,
    const EC_POINT *, BN_CTX *) = NULL;

int (*EC_POINT_dbl)(const EC_GROUP *, EC_POINT *, const EC_POINT *,
    BN_CTX *) = NULL;

int (*EC_POINT_invert)(const EC_GROUP *, EC_POINT *, BN_CTX *) = NULL;
int (*EC_POINT_is_at_infinity)(const EC_GROUP *, const EC_POINT *) = NULL;

int (*EC_POINT_is_on_curve)(const EC_GROUP *, const EC_POINT *,
    BN_CTX *) = NULL;

int (*EC_POINT_cmp)(
    const EC_GROUP *, const EC_POINT *, const EC_POINT *, BN_CTX *) = NULL;

int (*EC_POINT_make_affine)(const EC_GROUP *, EC_POINT *, BN_CTX *) = NULL;

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

int (*EC_POINTs_mul)(
    const EC_GROUP *, EC_POINT *, const BIGNUM *,
    size_t, const EC_POINT *[], const BIGNUM *[], BN_CTX *) = NULL;

int (*EC_POINT_mul)(const EC_GROUP *, EC_POINT *, const BIGNUM *,
    const EC_POINT *, const BIGNUM *, BN_CTX *) = NULL;

int (*EC_GROUP_precompute_mult)(EC_GROUP *, BN_CTX *) = NULL;
int (*EC_GROUP_have_precompute_mult)(const EC_GROUP *) = NULL;

const EC_METHOD *(*EC_GFp_simple_method)() = NULL;
const EC_METHOD *(*EC_GFp_mont_method)() = NULL;
const EC_METHOD *(*EC_GFp_nist_method)() = NULL;

int (*EC_METHOD_get_field_type)(const EC_METHOD *) = NULL;

#else
static const long Cryptography_HAS_EC = 1;
#endif

#if defined(OPENSSL_NO_EC) || OPENSSL_VERSION_NUMBER < 0x1000100f
static const long Cryptography_HAS_EC_1_0_1 = 0;

int (*EC_KEY_get_flags)(const EC_KEY *) = NULL;
void (*EC_KEY_set_flags)(EC_KEY *, int) = NULL;
void (*EC_KEY_clear_flags)(EC_KEY *, int) = NULL;

int (*EC_KEY_set_public_key_affine_coordinates)(
    EC_KEY *, BIGNUM *, BIGNUM *) = NULL;
#else
static const long Cryptography_HAS_EC_1_0_1 = 1;
#endif


#if defined(OPENSSL_NO_EC) || defined(OPENSSL_NO_EC2M)
static const long Cryptography_HAS_EC2M = 0;

const EC_METHOD *(*EC_GF2m_simple_method)() = NULL;

int (*EC_POINT_set_affine_coordinates_GF2m)(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, const BIGNUM *, BN_CTX *) = NULL;

int (*EC_POINT_get_affine_coordinates_GF2m)(const EC_GROUP *,
    const EC_POINT *, BIGNUM *, BIGNUM *, BN_CTX *) = NULL;

int (*EC_POINT_set_compressed_coordinates_GF2m)(const EC_GROUP *, EC_POINT *,
    const BIGNUM *, int, BN_CTX *) = NULL;

int (*EC_GROUP_set_curve_GF2m)(
    EC_GROUP *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);

int (*EC_GROUP_get_curve_GF2m)(
    const EC_GROUP *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);

EC_GROUP *(*EC_GROUP_new_curve_GF2m)(
    const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
#else
static const long Cryptography_HAS_EC2M = 1;
#endif

#if defined(OPENSSL_NO_EC) || OPENSSL_VERSION_NUMBER < 0x1000200f || \
    defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20020002L
static const long Cryptography_HAS_EC_1_0_2 = 0;
const char *(*EC_curve_nid2nist)(int) = NULL;
#else
static const long Cryptography_HAS_EC_1_0_2 = 1;
#endif
"""