+#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