* Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
-#ifndef HEADER_EC_H
-# define HEADER_EC_H
+#ifndef OPENSSL_EC_H
+# define OPENSSL_EC_H
+# pragma once
+
+# include <openssl/macros.h>
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+# define HEADER_EC_H
+# endif
# include <openssl/opensslconf.h>
# ifndef OPENSSL_NO_EC
# include <openssl/asn1.h>
# include <openssl/symhacks.h>
-# if OPENSSL_API_COMPAT < 0x10100000L
+# if !OPENSSL_API_1_1_0
# include <openssl/bn.h>
# endif
# include <openssl/ecerr.h>
/* EC_GROUP functions */
/********************************************************************/
-/** Creates a new EC_GROUP object
- * \param meth EC_METHOD to use
+/**
+ * Creates a new EC_GROUP object
+ * \param libctx The associated library context or NULL for the default
+ * library context
+ * \param meth EC_METHOD to use
+ * \return newly created EC_GROUP object or NULL in case of an error.
+ */
+EC_GROUP *EC_GROUP_new_ex(OPENSSL_CTX *libctx, const EC_METHOD *meth);
+
+/**
+ * Creates a new EC_GROUP object. Same as EC_GROUP_new_ex with NULL for the
+ * library context.
+ * \param meth EC_METHOD to use
* \return newly created EC_GROUP object or NULL in case of an error.
*/
EC_GROUP *EC_GROUP_new(const EC_METHOD *meth);
/** Clears and frees a EC_GROUP object
* \param group EC_GROUP object to be cleared and freed.
*/
-void EC_GROUP_clear_free(EC_GROUP *group);
+DEPRECATEDIN_3_0(void EC_GROUP_clear_free(EC_GROUP *group))
/** Copies EC_GROUP objects. Note: both EC_GROUPs must use the same EC_METHOD.
* \param dst destination EC_GROUP object
*/
int EC_GROUP_copy(EC_GROUP *dst, const EC_GROUP *src);
-/** Creates a new EC_GROUP object and copies the copies the content
+/** Creates a new EC_GROUP object and copies the content
* form src to the newly created EC_KEY object
* \param src source EC_GROUP object
* \return newly created EC_GROUP object or NULL in case of an error.
*/
int EC_METHOD_get_field_type(const EC_METHOD *meth);
-/** Sets the generator and it's order/cofactor of a EC_GROUP object.
+/** Sets the generator and its order/cofactor of a EC_GROUP object.
* \param group EC_GROUP object
* \param generator EC_POINT object with the generator.
* \param order the order of the group generated by the generator.
*/
int EC_GROUP_get_curve_name(const EC_GROUP *group);
+/** Gets the field of an EC_GROUP
+ * \param group EC_GROUP object
+ * \return the group field
+ */
+const BIGNUM *EC_GROUP_get0_field(const EC_GROUP *group);
+
void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag);
int EC_GROUP_get_asn1_flag(const EC_GROUP *group);
size_t EC_GROUP_get_seed_len(const EC_GROUP *);
size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len);
-/** Sets the parameter of a ec over GFp defined by y^2 = x^3 + a*x + b
+/** Sets the parameters of a ec curve defined by y^2 = x^3 + a*x + b (for GFp)
+ * or y^2 + x*y = x^3 + a*x^2 + b (for GF2m)
* \param group EC_GROUP object
- * \param p BIGNUM with the prime number
+ * \param p BIGNUM with the prime number (GFp) or the polynomial
+ * defining the underlying field (GF2m)
* \param a BIGNUM with parameter a of the equation
* \param b BIGNUM with parameter b of the equation
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
- const BIGNUM *b, BN_CTX *ctx);
+int EC_GROUP_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
+ const BIGNUM *b, BN_CTX *ctx);
-/** Gets the parameter of the ec over GFp defined by y^2 = x^3 + a*x + b
+/** Gets the parameters of the ec curve defined by y^2 = x^3 + a*x + b (for GFp)
+ * or y^2 + x*y = x^3 + a*x^2 + b (for GF2m)
* \param group EC_GROUP object
- * \param p BIGNUM for the prime number
+ * \param p BIGNUM with the prime number (GFp) or the polynomial
+ * defining the underlying field (GF2m)
* \param a BIGNUM for parameter a of the equation
* \param b BIGNUM for parameter b of the equation
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
- BIGNUM *b, BN_CTX *ctx);
+int EC_GROUP_get_curve(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b,
+ BN_CTX *ctx);
+
+/** Sets the parameters of an ec curve. Synonym for EC_GROUP_set_curve
+ * \param group EC_GROUP object
+ * \param p BIGNUM with the prime number (GFp) or the polynomial
+ * defining the underlying field (GF2m)
+ * \param a BIGNUM with parameter a of the equation
+ * \param b BIGNUM with parameter b of the equation
+ * \param ctx BN_CTX object (optional)
+ * \return 1 on success and 0 if an error occurred
+ */
+DEPRECATEDIN_3_0(int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p,
+ const BIGNUM *a, const BIGNUM *b,
+ BN_CTX *ctx))
+
+/** Gets the parameters of an ec curve. Synonym for EC_GROUP_get_curve
+ * \param group EC_GROUP object
+ * \param p BIGNUM with the prime number (GFp) or the polynomial
+ * defining the underlying field (GF2m)
+ * \param a BIGNUM for parameter a of the equation
+ * \param b BIGNUM for parameter b of the equation
+ * \param ctx BN_CTX object (optional)
+ * \return 1 on success and 0 if an error occurred
+ */
+DEPRECATEDIN_3_0(int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p,
+ BIGNUM *a, BIGNUM *b,
+ BN_CTX *ctx))
# ifndef OPENSSL_NO_EC2M
-/** Sets the parameter of a ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b
+/** Sets the parameter of an ec curve. Synonym for EC_GROUP_set_curve
* \param group EC_GROUP object
- * \param p BIGNUM with the polynomial defining the underlying field
+ * \param p BIGNUM with the prime number (GFp) or the polynomial
+ * defining the underlying field (GF2m)
* \param a BIGNUM with parameter a of the equation
* \param b BIGNUM with parameter b of the equation
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
- const BIGNUM *b, BN_CTX *ctx);
+DEPRECATEDIN_3_0(int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p,
+ const BIGNUM *a, const BIGNUM *b,
+ BN_CTX *ctx))
-/** Gets the parameter of the ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b
+/** Gets the parameters of an ec curve. Synonym for EC_GROUP_get_curve
* \param group EC_GROUP object
- * \param p BIGNUM for the polynomial defining the underlying field
+ * \param p BIGNUM with the prime number (GFp) or the polynomial
+ * defining the underlying field (GF2m)
* \param a BIGNUM for parameter a of the equation
* \param b BIGNUM for parameter b of the equation
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
- BIGNUM *b, BN_CTX *ctx);
+DEPRECATEDIN_3_0(int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p,
+ BIGNUM *a, BIGNUM *b,
+ BN_CTX *ctx))
# endif
/** Returns the number of bits needed to represent a field element
* \param group EC_GROUP object
const BIGNUM *b, BN_CTX *ctx);
# endif
-/** Creates a EC_GROUP object with a curve specified by a NID
- * \param nid NID of the OID of the curve name
+/**
+ * Creates a EC_GROUP object with a curve specified by a NID
+ * \param libctx The associated library context or NULL for the default
+ * context
+ * \param nid NID of the OID of the curve name
+ * \return newly created EC_GROUP object with specified curve or NULL
+ * if an error occurred
+ */
+EC_GROUP *EC_GROUP_new_by_curve_name_ex(OPENSSL_CTX *libctx, int nid);
+
+/**
+ * Creates a EC_GROUP object with a curve specified by a NID. Same as
+ * EC_GROUP_new_by_curve_name_ex but the libctx is always NULL.
+ * \param nid NID of the OID of the curve name
* \return newly created EC_GROUP object with specified curve or NULL
* if an error occurred
*/
const char *EC_curve_nid2nist(int nid);
int EC_curve_nist2nid(const char *name);
+int EC_GROUP_check_named_curve(const EC_GROUP *group, int nist_only,
+ BN_CTX *ctx);
/********************************************************************/
/* EC_POINT functions */
BIGNUM *y, BIGNUM *z,
BN_CTX *ctx);
-/** Sets the affine coordinates of a EC_POINT over GFp
+/** Sets the affine coordinates of an EC_POINT
* \param group underlying EC_GROUP object
* \param p EC_POINT object
* \param x BIGNUM with the x-coordinate
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p,
- const BIGNUM *x, const BIGNUM *y,
- BN_CTX *ctx);
+int EC_POINT_set_affine_coordinates(const EC_GROUP *group, EC_POINT *p,
+ const BIGNUM *x, const BIGNUM *y,
+ BN_CTX *ctx);
-/** Gets the affine coordinates of a EC_POINT over GFp
+/** Gets the affine coordinates of an EC_POINT.
* \param group underlying EC_GROUP object
* \param p EC_POINT object
* \param x BIGNUM for the x-coordinate
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group,
- const EC_POINT *p, BIGNUM *x,
- BIGNUM *y, BN_CTX *ctx);
+int EC_POINT_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *p,
+ BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
+
+/** Sets the affine coordinates of an EC_POINT. A synonym of
+ * EC_POINT_set_affine_coordinates
+ * \param group underlying EC_GROUP object
+ * \param p EC_POINT object
+ * \param x BIGNUM with the x-coordinate
+ * \param y BIGNUM with the y-coordinate
+ * \param ctx BN_CTX object (optional)
+ * \return 1 on success and 0 if an error occurred
+ */
+DEPRECATEDIN_3_0(int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group,
+ EC_POINT *p,
+ const BIGNUM *x,
+ const BIGNUM *y,
+ BN_CTX *ctx))
-/** Sets the x9.62 compressed coordinates of a EC_POINT over GFp
+/** Gets the affine coordinates of an EC_POINT. A synonym of
+ * EC_POINT_get_affine_coordinates
+ * \param group underlying EC_GROUP object
+ * \param p EC_POINT object
+ * \param x BIGNUM for the x-coordinate
+ * \param y BIGNUM for the y-coordinate
+ * \param ctx BN_CTX object (optional)
+ * \return 1 on success and 0 if an error occurred
+ */
+DEPRECATEDIN_3_0(int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group,
+ const EC_POINT *p,
+ BIGNUM *x,
+ BIGNUM *y,
+ BN_CTX *ctx))
+
+/** Sets the x9.62 compressed coordinates of a EC_POINT
+ * \param group underlying EC_GROUP object
+ * \param p EC_POINT object
+ * \param x BIGNUM with x-coordinate
+ * \param y_bit integer with the y-Bit (either 0 or 1)
+ * \param ctx BN_CTX object (optional)
+ * \return 1 on success and 0 if an error occurred
+ */
+int EC_POINT_set_compressed_coordinates(const EC_GROUP *group, EC_POINT *p,
+ const BIGNUM *x, int y_bit,
+ BN_CTX *ctx);
+
+/** Sets the x9.62 compressed coordinates of a EC_POINT. A synonym of
+ * EC_POINT_set_compressed_coordinates
* \param group underlying EC_GROUP object
* \param p EC_POINT object
* \param x BIGNUM with x-coordinate
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
- EC_POINT *p, const BIGNUM *x,
- int y_bit, BN_CTX *ctx);
+DEPRECATEDIN_3_0(int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
+ EC_POINT *p,
+ const BIGNUM *x,
+ int y_bit,
+ BN_CTX *ctx))
# ifndef OPENSSL_NO_EC2M
-/** Sets the affine coordinates of a EC_POINT over GF2m
+/** Sets the affine coordinates of an EC_POINT. A synonym of
+ * EC_POINT_set_affine_coordinates
* \param group underlying EC_GROUP object
* \param p EC_POINT object
* \param x BIGNUM with the x-coordinate
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p,
- const BIGNUM *x, const BIGNUM *y,
- BN_CTX *ctx);
+DEPRECATEDIN_3_0(int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group,
+ EC_POINT *p,
+ const BIGNUM *x,
+ const BIGNUM *y,
+ BN_CTX *ctx))
-/** Gets the affine coordinates of a EC_POINT over GF2m
+/** Gets the affine coordinates of an EC_POINT. A synonym of
+ * EC_POINT_get_affine_coordinates
* \param group underlying EC_GROUP object
* \param p EC_POINT object
* \param x BIGNUM for the x-coordinate
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group,
- const EC_POINT *p, BIGNUM *x,
- BIGNUM *y, BN_CTX *ctx);
+DEPRECATEDIN_3_0(int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group,
+ const EC_POINT *p,
+ BIGNUM *x,
+ BIGNUM *y,
+ BN_CTX *ctx))
-/** Sets the x9.62 compressed coordinates of a EC_POINT over GF2m
+/** Sets the x9.62 compressed coordinates of a EC_POINT. A synonym of
+ * EC_POINT_set_compressed_coordinates
* \param group underlying EC_GROUP object
* \param p EC_POINT object
* \param x BIGNUM with x-coordinate
* \param ctx BN_CTX object (optional)
* \return 1 on success and 0 if an error occurred
*/
-int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,
- EC_POINT *p, const BIGNUM *x,
- int y_bit, BN_CTX *ctx);
+DEPRECATEDIN_3_0(int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,
+ EC_POINT *p,
+ const BIGNUM *x,
+ int y_bit,
+ BN_CTX *ctx))
# endif
/** Encodes a EC_POINT object to a octet string
* \param group underlying EC_GROUP object
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 i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of(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), \
# define EC_FLAG_FIPS_CHECKED 0x2
# define EC_FLAG_COFACTOR_ECDH 0x1000
-/** Creates a new EC_KEY object.
+/**
+ * Creates a new EC_KEY object.
+ * \param ctx The library context for to use for this EC_KEY. May be NULL in
+ * which case the default library context is used.
+ * \return EC_KEY object or NULL if an error occurred.
+ */
+EC_KEY *EC_KEY_new_ex(OPENSSL_CTX *ctx);
+
+/**
+ * Creates a new EC_KEY object. Same as calling EC_KEY_new_ex with a NULL
+ * library context
* \return EC_KEY object or NULL if an error occurred.
*/
EC_KEY *EC_KEY_new(void);
void EC_KEY_clear_flags(EC_KEY *key, int flags);
-/** Creates a new EC_KEY object using a named curve as underlying
+/**
+ * Creates a new EC_KEY object using a named curve as underlying
* EC_GROUP object.
+ * \param ctx The library context for to use for this EC_KEY. May be NULL in
+ * which case the default library context is used.
+ * \param nid NID of the named curve.
+ * \return EC_KEY object or NULL if an error occurred.
+ */
+EC_KEY *EC_KEY_new_by_curve_name_ex(OPENSSL_CTX *ctx, int nid);
+
+/**
+ * Creates a new EC_KEY object using a named curve as underlying
+ * EC_GROUP object. Same as calling EC_KEY_new_by_curve_name_ex with a NULL
+ * library context.
* \param nid NID of the named curve.
* \return EC_KEY object or NULL if an error occurred.
*/
EC_KEY *EC_KEY_new_by_curve_name(int nid);
+
/** Frees a EC_KEY object.
* \param key EC_KEY object to be freed.
*/
* of bytes needed).
* \return 1 on success and 0 if an error occurred.
*/
-int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out);
+int i2d_ECPrivateKey(const EC_KEY *key, unsigned char **out);
/********************************************************************/
/* de- and encoding functions for EC parameters */
* of bytes needed).
* \return 1 on success and 0 if an error occurred.
*/
-int i2d_ECParameters(EC_KEY *key, unsigned char **out);
+int i2d_ECParameters(const EC_KEY *key, unsigned char **out);
/********************************************************************/
/* de- and encoding functions for EC public key */
int EC_KEY_set_method(EC_KEY *key, const EC_KEY_METHOD *meth);
EC_KEY *EC_KEY_new_method(ENGINE *engine);
-int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
- const unsigned char *Z, size_t Zlen,
- const unsigned char *sinfo, size_t sinfolen,
- const EVP_MD *md);
+/** The old name for ecdh_KDF_X9_63
+ * The ECDH KDF specification has been mistakingly attributed to ANSI X9.62,
+ * it is actually specified in ANSI X9.63.
+ * This identifier is retained for backwards compatibility
+ */
+DEPRECATEDIN_3_0(int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
+ const unsigned char *Z, size_t Zlen,
+ const unsigned char *sinfo, size_t sinfolen,
+ const EVP_MD *md))
int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
const EC_KEY *ecdh,
*/
void ECDSA_SIG_free(ECDSA_SIG *sig);
-/** DER encode content of ECDSA_SIG object (note: this function modifies *pp
+/** i2d_ECDSA_SIG encodes content of ECDSA_SIG (note: this function modifies *pp
* (*pp += length of the DER encoded signature)).
* \param sig pointer to the ECDSA_SIG object
* \param pp pointer to a unsigned char pointer for the output or NULL
- * \return the length of the DER encoded ECDSA_SIG object or 0
+ * \return the length of the DER encoded ECDSA_SIG object or a negative value
+ * on error
*/
-int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
+DECLARE_ASN1_ENCODE_FUNCTIONS_only(ECDSA_SIG, ECDSA_SIG)
-/** Decodes a DER encoded ECDSA signature (note: this function changes *pp
+/** d2i_ECDSA_SIG decodes an ECDSA signature (note: this function modifies *pp
* (*pp += len)).
* \param sig pointer to ECDSA_SIG pointer (may be NULL)
* \param pp memory buffer with the DER encoded signature
* \param len length of the buffer
* \return pointer to the decoded ECDSA_SIG structure (or NULL)
*/
-ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
/** Accessor for r and s fields of ECDSA_SIG
- * \param sig pointer to ECDSA_SIG pointer
+ * \param sig pointer to ECDSA_SIG structure
* \param pr pointer to BIGNUM pointer for r (may be NULL)
* \param ps pointer to BIGNUM pointer for s (may be NULL)
*/
void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
+/** Accessor for r field of ECDSA_SIG
+ * \param sig pointer to ECDSA_SIG structure
+ */
+const BIGNUM *ECDSA_SIG_get0_r(const ECDSA_SIG *sig);
+
+/** Accessor for s field of ECDSA_SIG
+ * \param sig pointer to ECDSA_SIG structure
+ */
+const BIGNUM *ECDSA_SIG_get0_s(const ECDSA_SIG *sig);
+
/** Setter for r and s fields of ECDSA_SIG
- * \param sig pointer to ECDSA_SIG pointer
+ * \param sig pointer to ECDSA_SIG structure
* \param r pointer to BIGNUM for r (may be NULL)
* \param s pointer to BIGNUM for s (may be NULL)
*/
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_GET_EC_KDF_UKM, 0, (void *)(p))
+/* SM2 will skip the operation check so no need to pass operation here */
+# define EVP_PKEY_CTX_set1_id(ctx, id, id_len) \
+ EVP_PKEY_CTX_ctrl(ctx, -1, -1, \
+ EVP_PKEY_CTRL_SET1_ID, (int)id_len, (void*)(id))
+# define EVP_PKEY_CTX_get1_id(ctx, id) \
+ EVP_PKEY_CTX_ctrl(ctx, -1, -1, \
+ EVP_PKEY_CTRL_GET1_ID, 0, (void*)(id))
+
+# define EVP_PKEY_CTX_get1_id_len(ctx, id_len) \
+ EVP_PKEY_CTX_ctrl(ctx, -1, -1, \
+ EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)(id_len))
+
# define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1)
# define EVP_PKEY_CTRL_EC_PARAM_ENC (EVP_PKEY_ALG_CTRL + 2)
# define EVP_PKEY_CTRL_EC_ECDH_COFACTOR (EVP_PKEY_ALG_CTRL + 3)
# define EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 8)
# define EVP_PKEY_CTRL_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 9)
# define EVP_PKEY_CTRL_GET_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 10)
+# define EVP_PKEY_CTRL_SET1_ID (EVP_PKEY_ALG_CTRL + 11)
+# define EVP_PKEY_CTRL_GET1_ID (EVP_PKEY_ALG_CTRL + 12)
+# define EVP_PKEY_CTRL_GET1_ID_LEN (EVP_PKEY_ALG_CTRL + 13)
/* KDF types */
# define EVP_PKEY_ECDH_KDF_NONE 1
-# define EVP_PKEY_ECDH_KDF_X9_62 2
+# define EVP_PKEY_ECDH_KDF_X9_63 2
+/** The old name for EVP_PKEY_ECDH_KDF_X9_63
+ * The ECDH KDF specification has been mistakingly attributed to ANSI X9.62,
+ * it is actually specified in ANSI X9.63.
+ * This identifier is retained for backwards compatibility
+ */
+# define EVP_PKEY_ECDH_KDF_X9_62 EVP_PKEY_ECDH_KDF_X9_63
-int ERR_load_EC_strings(void);
# ifdef __cplusplus
}
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