-/* crypto/ec/ec.h */
/*
- * Originally written by Bodo Moeller for the OpenSSL project.
- */
-/**
- * \file crypto/ec/ec.h Include file for the OpenSSL EC functions
- * \author Originally written by Bodo Moeller for the OpenSSL project
- */
-/* ====================================================================
- * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- *
- * Portions of the attached software ("Contribution") are developed by
- * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
- *
- * The Contribution is licensed pursuant to the OpenSSL open source
- * license provided above.
- *
- * The elliptic curve binary polynomial software is originally written by
- * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
+ * Copyright 2002-2016 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
+ * 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
# include <openssl/opensslconf.h>
-# ifdef OPENSSL_NO_EC
-# error EC is disabled.
-# endif
-
+# ifndef OPENSSL_NO_EC
# include <openssl/asn1.h>
# include <openssl/symhacks.h>
-# ifdef OPENSSL_USE_DEPRECATED
+# if OPENSSL_API_COMPAT < 0x10100000L
# include <openssl/bn.h>
# endif
-
+# include <openssl/ecerr.h>
# ifdef __cplusplus
extern "C" {
-# elif defined(__SUNPRO_C)
-# if __SUNPRO_C >= 0x520
-# pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
-# endif
# endif
# ifndef OPENSSL_ECC_MAX_FIELD_BITS
} point_conversion_form_t;
typedef struct ec_method_st EC_METHOD;
-
-typedef struct ec_group_st
- /*-
- EC_METHOD *meth;
- -- field definition
- -- curve coefficients
- -- optional generator with associated information (order, cofactor)
- -- optional extra data (precomputed table for fast computation of multiples of generator)
- -- ASN1 stuff
- */
- EC_GROUP;
-
+typedef struct ec_group_st EC_GROUP;
typedef struct ec_point_st EC_POINT;
+typedef struct ecpk_parameters_st ECPKPARAMETERS;
+typedef struct ec_parameters_st ECPARAMETERS;
/********************************************************************/
/* EC_METHODs for curves over GF(p) */
const EC_METHOD *EC_GFp_nist_method(void);
# ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
-# ifndef OPENSSL_SYS_WIN32
/** Returns 64-bit optimized methods for nistp224
* \return EC_METHOD object
*/
* \return EC_METHOD object
*/
const EC_METHOD *EC_GFp_nistp521_method(void);
-# endif
# endif
# ifndef OPENSSL_NO_EC2M
/** Returns the montgomery data for order(Generator)
* \param group EC_GROUP object
- * \return the currently used generator (possibly NULL).
+ * \return the currently used montgomery data (possibly NULL).
*/
BN_MONT_CTX *EC_GROUP_get_mont_data(const EC_GROUP *group);
/** Gets the order of a EC_GROUP
* \param group EC_GROUP object
* \param order BIGNUM to which the order is copied
- * \param ctx BN_CTX object (optional)
+ * \param ctx unused
* \return 1 on success and 0 if an error occurred
*/
int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx);
+/** Gets the order of an EC_GROUP
+ * \param group EC_GROUP object
+ * \return the group order
+ */
+const BIGNUM *EC_GROUP_get0_order(const EC_GROUP *group);
+
+/** Gets the number of bits of the order of an EC_GROUP
+ * \param group EC_GROUP object
+ * \return number of bits of group order.
+ */
+int EC_GROUP_order_bits(const EC_GROUP *group);
+
/** Gets the cofactor of a EC_GROUP
* \param group EC_GROUP object
* \param cofactor BIGNUM to which the cofactor is copied
- * \param ctx BN_CTX object (optional)
+ * \param ctx unused
* \return 1 on success and 0 if an error occurred
*/
int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor,
BN_CTX *ctx);
+/** Gets the cofactor of an EC_GROUP
+ * \param group EC_GROUP object
+ * \return the group cofactor
+ */
+const BIGNUM *EC_GROUP_get0_cofactor(const EC_GROUP *group);
+
/** Sets the name of a EC_GROUP object
* \param group EC_GROUP object
* \param nid NID of the curve name OID
* \param a first EC_GROUP object
* \param b second EC_GROUP object
* \param ctx BN_CTX object (optional)
- * \return 0 if both groups are equal and 1 otherwise
+ * \return 0 if the groups are equal, 1 if not, or -1 on error
*/
int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx);
EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a,
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
* \return newly created EC_GROUP object with specified curve or NULL
*/
EC_GROUP *EC_GROUP_new_by_curve_name(int nid);
+/** Creates a new EC_GROUP object from an ECPARAMETERS object
+ * \param params pointer to the ECPARAMETERS object
+ * \return newly created EC_GROUP object with specified curve or NULL
+ * if an error occurred
+ */
+EC_GROUP *EC_GROUP_new_from_ecparameters(const ECPARAMETERS *params);
+
+/** Creates an ECPARAMETERS object for the given EC_GROUP object.
+ * \param group pointer to the EC_GROUP object
+ * \param params pointer to an existing ECPARAMETERS object or NULL
+ * \return pointer to the new ECPARAMETERS object or NULL
+ * if an error occurred.
+ */
+ECPARAMETERS *EC_GROUP_get_ecparameters(const EC_GROUP *group,
+ ECPARAMETERS *params);
+
+/** Creates a new EC_GROUP object from an ECPKPARAMETERS object
+ * \param params pointer to an existing ECPKPARAMETERS object, or NULL
+ * \return newly created EC_GROUP object with specified curve, or NULL
+ * if an error occurred
+ */
+EC_GROUP *EC_GROUP_new_from_ecpkparameters(const ECPKPARAMETERS *params);
+
+/** Creates an ECPKPARAMETERS object for the given EC_GROUP object.
+ * \param group pointer to the EC_GROUP object
+ * \param params pointer to an existing ECPKPARAMETERS object or NULL
+ * \return pointer to the new ECPKPARAMETERS object or NULL
+ * if an error occurred.
+ */
+ECPKPARAMETERS *EC_GROUP_get_ecpkparameters(const EC_GROUP *group,
+ ECPKPARAMETERS *params);
+
/********************************************************************/
/* handling of internal curves */
/********************************************************************/
/*
* EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number of all
- * available curves or zero if a error occurred. In case r ist not zero
+ * available curves or zero if a error occurred. In case r is not zero,
* nitems EC_builtin_curve structures are filled with the data of the first
* nitems internal groups
*/
int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p,
const unsigned char *buf, size_t len, BN_CTX *ctx);
+/** Encodes an EC_POINT object to an allocated octet string
+ * \param group underlying EC_GROUP object
+ * \param point EC_POINT object
+ * \param form point conversion form
+ * \param pbuf returns pointer to allocated buffer
+ * \param ctx BN_CTX object (optional)
+ * \return the length of the encoded octet string or 0 if an error occurred
+ */
+size_t EC_POINT_point2buf(const EC_GROUP *group, const EC_POINT *point,
+ point_conversion_form_t form,
+ unsigned char **pbuf, BN_CTX *ctx);
+
/* other interfaces to point2oct/oct2point: */
BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
point_conversion_form_t form, BIGNUM *, BN_CTX *);
* \param group underlying EC_GROUP object
* \param point EC_POINT object to check
* \param ctx BN_CTX object (optional)
- * \return 1 if point if on the curve and 0 otherwise
+ * \return 1 if the point is on the curve, 0 if not, or -1 on error
*/
int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point,
BN_CTX *ctx);
* \param a first EC_POINT object
* \param b second EC_POINT object
* \param ctx BN_CTX object (optional)
- * \return 0 if both points are equal and a value != 0 otherwise
+ * \return 1 if the points are not equal, 0 if they are, or -1 on error
*/
int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b,
BN_CTX *ctx);
int EC_POINTs_make_affine(const EC_GROUP *group, size_t num,
EC_POINT *points[], BN_CTX *ctx);
-/** Computes r = generator * n sum_{i=0}^{num-1} p[i] * m[i]
+/** Computes r = generator * n + sum_{i=0}^{num-1} p[i] * m[i]
* \param group underlying EC_GROUP object
* \param r EC_POINT object for the result
* \param n BIGNUM with the multiplier for the group generator (optional)
- * \param num number futher summands
+ * \param num number further summands
* \param p array of size num of EC_POINT objects
* \param m array of size num of BIGNUM objects
* \param ctx BN_CTX object (optional)
/* ASN1 stuff */
/********************************************************************/
+DECLARE_ASN1_ITEM(ECPKPARAMETERS)
+DECLARE_ASN1_ALLOC_FUNCTIONS(ECPKPARAMETERS)
+DECLARE_ASN1_ITEM(ECPARAMETERS)
+DECLARE_ASN1_ALLOC_FUNCTIONS(ECPARAMETERS)
+
/*
* EC_GROUP_get_basis_type() returns the NID of the basis type used to
* represent the field elements
# define OPENSSL_EC_EXPLICIT_CURVE 0x000
# 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);
/* EC_KEY functions */
/********************************************************************/
-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
/* some values for the flags field */
# define EC_FLAG_NON_FIPS_ALLOW 0x1
# define EC_FLAG_FIPS_CHECKED 0x2
+# define EC_FLAG_COFACTOR_ECDH 0x1000
/** Creates a new EC_KEY object.
* \return EC_KEY object or NULL if an error occurred.
*/
int EC_KEY_up_ref(EC_KEY *key);
+/** Returns the ENGINE object of a EC_KEY object
+ * \param eckey EC_KEY object
+ * \return the ENGINE object (possibly NULL).
+ */
+ENGINE *EC_KEY_get0_engine(const EC_KEY *eckey);
+
/** Returns the EC_GROUP object of a EC_KEY object
* \param key EC_KEY object
* \return the EC_GROUP object (possibly NULL).
void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags);
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);
-/* functions to set/get method specific data */
-void *EC_KEY_get_key_method_data(EC_KEY *key,
- void *(*dup_func) (void *),
- void (*free_func) (void *),
- void (*clear_free_func) (void *));
-/** Sets the key method data of an EC_KEY object, if none has yet been set.
- * \param key EC_KEY object
- * \param data opaque data to install.
- * \param dup_func a function that duplicates |data|.
- * \param free_func a function that frees |data|.
- * \param clear_free_func a function that wipes and frees |data|.
- * \return the previously set data pointer, or NULL if |data| was inserted.
- */
-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 *));
+
+#define EC_KEY_get_ex_new_index(l, p, newf, dupf, freef) \
+ CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_EC_KEY, l, p, newf, dupf, freef)
+int EC_KEY_set_ex_data(EC_KEY *key, int idx, void *arg);
+void *EC_KEY_get_ex_data(const EC_KEY *key, int idx);
+
/* wrapper functions for the underlying EC_GROUP object */
void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag);
*/
int EC_KEY_check_key(const EC_KEY *key);
-/** Sets a public key from affine coordindates performing
+/** Indicates if an EC_KEY can be used for signing.
+ * \param eckey the EC_KEY object
+ * \return 1 if can can sign and 0 otherwise.
+ */
+int EC_KEY_can_sign(const EC_KEY *eckey);
+
+/** Sets a public key from affine coordinates performing
* necessary NIST PKV tests.
* \param key the EC_KEY object
* \param x public key x coordinate
int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x,
BIGNUM *y);
+/** Encodes an EC_KEY public key to an allocated octet string
+ * \param key key to encode
+ * \param form point conversion form
+ * \param pbuf returns pointer to allocated buffer
+ * \param ctx BN_CTX object (optional)
+ * \return the length of the encoded octet string or 0 if an error occurred
+ */
+size_t EC_KEY_key2buf(const EC_KEY *key, point_conversion_form_t form,
+ unsigned char **pbuf, BN_CTX *ctx);
+
+/** Decodes a EC_KEY public key from a octet string
+ * \param key key to decode
+ * \param buf memory buffer with the encoded ec point
+ * \param len length of the encoded ec point
+ * \param ctx BN_CTX object (optional)
+ * \return 1 on success and 0 if an error occurred
+ */
+
+int EC_KEY_oct2key(EC_KEY *key, const unsigned char *buf, size_t len,
+ BN_CTX *ctx);
+
+/** Decodes an EC_KEY private key from an octet string
+ * \param key key to decode
+ * \param buf memory buffer with the encoded private key
+ * \param len length of the encoded key
+ * \return 1 on success and 0 if an error occurred
+ */
+
+int EC_KEY_oct2priv(EC_KEY *key, const unsigned char *buf, size_t len);
+
+/** Encodes a EC_KEY private key to an octet string
+ * \param key key to encode
+ * \param buf memory buffer for the result. If NULL the function returns
+ * required buffer size.
+ * \param len length of the memory buffer
+ * \return the length of the encoded octet string or 0 if an error occurred
+ */
+
+size_t EC_KEY_priv2oct(const EC_KEY *key, unsigned char *buf, size_t len);
+
+/** Encodes an EC_KEY private key to an allocated octet string
+ * \param eckey key to encode
+ * \param pbuf returns pointer to allocated buffer
+ * \return the length of the encoded octet string or 0 if an error occurred
+ */
+size_t EC_KEY_priv2buf(const EC_KEY *eckey, unsigned char **pbuf);
+
/********************************************************************/
/* de- and encoding functions for SEC1 ECPrivateKey */
/********************************************************************/
* of bytes needed).
* \return 1 on success and 0 if an error occurred
*/
-int i2o_ECPublicKey(EC_KEY *key, unsigned char **out);
+int i2o_ECPublicKey(const EC_KEY *key, unsigned char **out);
/** Prints out the ec parameters on human readable form.
* \param bp BIO object to which the information is printed
# endif
+const EC_KEY_METHOD *EC_KEY_OpenSSL(void);
+const EC_KEY_METHOD *EC_KEY_get_default_method(void);
+void EC_KEY_set_default_method(const EC_KEY_METHOD *meth);
+const EC_KEY_METHOD *EC_KEY_get_method(const EC_KEY *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);
+
+int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+ const EC_KEY *ecdh,
+ void *(*KDF) (const void *in, size_t inlen,
+ void *out, size_t *outlen));
+
+typedef struct ECDSA_SIG_st ECDSA_SIG;
+
+/** Allocates and initialize a ECDSA_SIG structure
+ * \return pointer to a ECDSA_SIG structure or NULL if an error occurred
+ */
+ECDSA_SIG *ECDSA_SIG_new(void);
+
+/** frees a ECDSA_SIG structure
+ * \param sig pointer to the ECDSA_SIG structure
+ */
+void ECDSA_SIG_free(ECDSA_SIG *sig);
+
+/** DER encode content of ECDSA_SIG object (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
+ */
+int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
+
+/** Decodes a DER encoded ECDSA signature (note: this function changes *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 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);
+
+/** Setter for r and s fields of ECDSA_SIG
+ * \param sig pointer to ECDSA_SIG pointer
+ * \param r pointer to BIGNUM for r (may be NULL)
+ * \param s pointer to BIGNUM for s (may be NULL)
+ */
+int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s);
+
+/** Computes the ECDSA signature of the given hash value using
+ * the supplied private key and returns the created signature.
+ * \param dgst pointer to the hash value
+ * \param dgst_len length of the hash value
+ * \param eckey EC_KEY object containing a private EC key
+ * \return pointer to a ECDSA_SIG structure or NULL if an error occurred
+ */
+ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len,
+ EC_KEY *eckey);
+
+/** Computes ECDSA signature of a given hash value using the supplied
+ * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
+ * \param dgst pointer to the hash value to sign
+ * \param dgstlen length of the hash value
+ * \param kinv BIGNUM with a pre-computed inverse k (optional)
+ * \param rp BIGNUM with a pre-computed rp value (optional),
+ * see ECDSA_sign_setup
+ * \param eckey EC_KEY object containing a private EC key
+ * \return pointer to a ECDSA_SIG structure or NULL if an error occurred
+ */
+ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
+ const BIGNUM *kinv, const BIGNUM *rp,
+ EC_KEY *eckey);
+
+/** Verifies that the supplied signature is a valid ECDSA
+ * signature of the supplied hash value using the supplied public key.
+ * \param dgst pointer to the hash value
+ * \param dgst_len length of the hash value
+ * \param sig ECDSA_SIG structure
+ * \param eckey EC_KEY object containing a public EC key
+ * \return 1 if the signature is valid, 0 if the signature is invalid
+ * and -1 on error
+ */
+int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
+ const ECDSA_SIG *sig, EC_KEY *eckey);
+
+/** Precompute parts of the signing operation
+ * \param eckey EC_KEY object containing a private EC key
+ * \param ctx BN_CTX object (optional)
+ * \param kinv BIGNUM pointer for the inverse of k
+ * \param rp BIGNUM pointer for x coordinate of k * generator
+ * \return 1 on success and 0 otherwise
+ */
+int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp);
+
+/** Computes ECDSA signature of a given hash value using the supplied
+ * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
+ * \param type this parameter is ignored
+ * \param dgst pointer to the hash value to sign
+ * \param dgstlen length of the hash value
+ * \param sig memory for the DER encoded created signature
+ * \param siglen pointer to the length of the returned signature
+ * \param eckey EC_KEY object containing a private EC key
+ * \return 1 on success and 0 otherwise
+ */
+int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
+ unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
+
+/** Computes ECDSA signature of a given hash value using the supplied
+ * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
+ * \param type this parameter is ignored
+ * \param dgst pointer to the hash value to sign
+ * \param dgstlen length of the hash value
+ * \param sig buffer to hold the DER encoded signature
+ * \param siglen pointer to the length of the returned signature
+ * \param kinv BIGNUM with a pre-computed inverse k (optional)
+ * \param rp BIGNUM with a pre-computed rp value (optional),
+ * see ECDSA_sign_setup
+ * \param eckey EC_KEY object containing a private EC key
+ * \return 1 on success and 0 otherwise
+ */
+int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
+ unsigned char *sig, unsigned int *siglen,
+ const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
+
+/** Verifies that the given signature is valid ECDSA signature
+ * of the supplied hash value using the specified public key.
+ * \param type this parameter is ignored
+ * \param dgst pointer to the hash value
+ * \param dgstlen length of the hash value
+ * \param sig pointer to the DER encoded signature
+ * \param siglen length of the DER encoded signature
+ * \param eckey EC_KEY object containing a public EC key
+ * \return 1 if the signature is valid, 0 if the signature is invalid
+ * and -1 on error
+ */
+int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
+ const unsigned char *sig, int siglen, EC_KEY *eckey);
+
+/** Returns the maximum length of the DER encoded signature
+ * \param eckey EC_KEY object
+ * \return numbers of bytes required for the DER encoded signature
+ */
+int ECDSA_size(const EC_KEY *eckey);
+
+/********************************************************************/
+/* EC_KEY_METHOD constructors, destructors, writers and accessors */
+/********************************************************************/
+
+EC_KEY_METHOD *EC_KEY_METHOD_new(const EC_KEY_METHOD *meth);
+void EC_KEY_METHOD_free(EC_KEY_METHOD *meth);
+void EC_KEY_METHOD_set_init(EC_KEY_METHOD *meth,
+ int (*init)(EC_KEY *key),
+ void (*finish)(EC_KEY *key),
+ int (*copy)(EC_KEY *dest, const EC_KEY *src),
+ int (*set_group)(EC_KEY *key, const EC_GROUP *grp),
+ int (*set_private)(EC_KEY *key,
+ const BIGNUM *priv_key),
+ int (*set_public)(EC_KEY *key,
+ const EC_POINT *pub_key));
+
+void EC_KEY_METHOD_set_keygen(EC_KEY_METHOD *meth,
+ int (*keygen)(EC_KEY *key));
+
+void EC_KEY_METHOD_set_compute_key(EC_KEY_METHOD *meth,
+ int (*ckey)(unsigned char **psec,
+ size_t *pseclen,
+ const EC_POINT *pub_key,
+ const EC_KEY *ecdh));
+
+void EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth,
+ int (*sign)(int type, const unsigned char *dgst,
+ int dlen, unsigned char *sig,
+ unsigned int *siglen,
+ const BIGNUM *kinv, const BIGNUM *r,
+ EC_KEY *eckey),
+ int (*sign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
+ BIGNUM **kinvp, BIGNUM **rp),
+ ECDSA_SIG *(*sign_sig)(const unsigned char *dgst,
+ int dgst_len,
+ const BIGNUM *in_kinv,
+ const BIGNUM *in_r,
+ EC_KEY *eckey));
+
+void EC_KEY_METHOD_set_verify(EC_KEY_METHOD *meth,
+ int (*verify)(int type, const unsigned
+ char *dgst, int dgst_len,
+ const unsigned char *sigbuf,
+ int sig_len, EC_KEY *eckey),
+ int (*verify_sig)(const unsigned char *dgst,
+ int dgst_len,
+ const ECDSA_SIG *sig,
+ EC_KEY *eckey));
+
+void EC_KEY_METHOD_get_init(const EC_KEY_METHOD *meth,
+ int (**pinit)(EC_KEY *key),
+ void (**pfinish)(EC_KEY *key),
+ int (**pcopy)(EC_KEY *dest, const EC_KEY *src),
+ int (**pset_group)(EC_KEY *key,
+ const EC_GROUP *grp),
+ int (**pset_private)(EC_KEY *key,
+ const BIGNUM *priv_key),
+ int (**pset_public)(EC_KEY *key,
+ const EC_POINT *pub_key));
+
+void EC_KEY_METHOD_get_keygen(const EC_KEY_METHOD *meth,
+ int (**pkeygen)(EC_KEY *key));
+
+void EC_KEY_METHOD_get_compute_key(const EC_KEY_METHOD *meth,
+ int (**pck)(unsigned char **psec,
+ size_t *pseclen,
+ const EC_POINT *pub_key,
+ const EC_KEY *ecdh));
+
+void EC_KEY_METHOD_get_sign(const EC_KEY_METHOD *meth,
+ int (**psign)(int type, const unsigned char *dgst,
+ int dlen, unsigned char *sig,
+ unsigned int *siglen,
+ const BIGNUM *kinv, const BIGNUM *r,
+ EC_KEY *eckey),
+ int (**psign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
+ BIGNUM **kinvp, BIGNUM **rp),
+ ECDSA_SIG *(**psign_sig)(const unsigned char *dgst,
+ int dgst_len,
+ const BIGNUM *in_kinv,
+ const BIGNUM *in_r,
+ EC_KEY *eckey));
+
+void EC_KEY_METHOD_get_verify(const EC_KEY_METHOD *meth,
+ int (**pverify)(int type, const unsigned
+ char *dgst, int dgst_len,
+ const unsigned char *sigbuf,
+ int sig_len, EC_KEY *eckey),
+ int (**pverify_sig)(const unsigned char *dgst,
+ int dgst_len,
+ const ECDSA_SIG *sig,
+ EC_KEY *eckey));
+
# define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)
# ifndef __cplusplus
# define EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, md) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
- EVP_PKEY_CTRL_EC_KDF_MD, 0, (void *)md)
+ EVP_PKEY_CTRL_EC_KDF_MD, 0, (void *)(md))
# define EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, pmd) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
- EVP_PKEY_CTRL_GET_EC_KDF_MD, 0, (void *)pmd)
+ EVP_PKEY_CTRL_GET_EC_KDF_MD, 0, (void *)(pmd))
# define EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, len) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
# define EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, plen) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
- EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN, 0, (void *)plen)
+ EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN, 0, \
+ (void *)(plen))
# define EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p, plen) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
- EVP_PKEY_CTRL_EC_KDF_UKM, plen, (void *)p)
+ EVP_PKEY_CTRL_EC_KDF_UKM, plen, (void *)(p))
# define EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
- EVP_PKEY_CTRL_GET_EC_KDF_UKM, 0, (void *)p)
+ EVP_PKEY_CTRL_GET_EC_KDF_UKM, 0, (void *)(p))
# 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_ECDH_KDF_NONE 1
# define EVP_PKEY_ECDH_KDF_X9_62 2
-/* 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_BN_TO_FELEM 224
-# define EC_F_COMPUTE_WNAF 143
-# define EC_F_D2I_ECPARAMETERS 144
-# define EC_F_D2I_ECPKPARAMETERS 145
-# define EC_F_D2I_ECPRIVATEKEY 146
-# define EC_F_DO_EC_KEY_PRINT 221
-# define EC_F_ECDH_CMS_DECRYPT 238
-# define EC_F_ECDH_CMS_SET_SHARED_INFO 239
-# define EC_F_ECKEY_PARAM2TYPE 223
-# define EC_F_ECKEY_PARAM_DECODE 212
-# define EC_F_ECKEY_PRIV_DECODE 213
-# define EC_F_ECKEY_PRIV_ENCODE 214
-# define EC_F_ECKEY_PUB_DECODE 215
-# define EC_F_ECKEY_PUB_ENCODE 216
-# define EC_F_ECKEY_TYPE2PARAM 220
-# define EC_F_ECPARAMETERS_PRINT 147
-# define EC_F_ECPARAMETERS_PRINT_FP 148
-# define EC_F_ECPKPARAMETERS_PRINT 149
-# define EC_F_ECPKPARAMETERS_PRINT_FP 150
-# define EC_F_ECP_NIST_MOD_192 203
-# define EC_F_ECP_NIST_MOD_224 204
-# define EC_F_ECP_NIST_MOD_256 205
-# define EC_F_ECP_NIST_MOD_521 206
-# define EC_F_EC_ASN1_GROUP2CURVE 153
-# define EC_F_EC_ASN1_GROUP2FIELDID 154
-# define EC_F_EC_ASN1_GROUP2PARAMETERS 155
-# define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156
-# define EC_F_EC_ASN1_PARAMETERS2GROUP 157
-# define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158
-# define EC_F_EC_EX_DATA_SET_DATA 211
-# define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208
-# define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159
-# define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195
-# define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160
-# define EC_F_EC_GF2M_SIMPLE_POINT2OCT 161
-# define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162
-# define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163
-# define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164
-# define EC_F_EC_GFP_MONT_FIELD_DECODE 133
-# define EC_F_EC_GFP_MONT_FIELD_ENCODE 134
-# define EC_F_EC_GFP_MONT_FIELD_MUL 131
-# define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209
-# define EC_F_EC_GFP_MONT_FIELD_SQR 132
-# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189
-# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135
-# define EC_F_EC_GFP_NISTP224_GROUP_SET_CURVE 225
-# define EC_F_EC_GFP_NISTP224_POINTS_MUL 228
-# define EC_F_EC_GFP_NISTP224_POINT_GET_AFFINE_COORDINATES 226
-# define EC_F_EC_GFP_NISTP256_GROUP_SET_CURVE 230
-# define EC_F_EC_GFP_NISTP256_POINTS_MUL 231
-# define EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES 232
-# define EC_F_EC_GFP_NISTP521_GROUP_SET_CURVE 233
-# define EC_F_EC_GFP_NISTP521_POINTS_MUL 234
-# define EC_F_EC_GFP_NISTP521_POINT_GET_AFFINE_COORDINATES 235
-# define EC_F_EC_GFP_NIST_FIELD_MUL 200
-# define EC_F_EC_GFP_NIST_FIELD_SQR 201
-# define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202
-# define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165
-# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166
-# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100
-# define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101
-# define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102
-# define EC_F_EC_GFP_SIMPLE_OCT2POINT 103
-# define EC_F_EC_GFP_SIMPLE_POINT2OCT 104
-# define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137
-# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167
-# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105
-# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168
-# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128
-# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169
-# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129
-# define EC_F_EC_GROUP_CHECK 170
-# define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171
-# define EC_F_EC_GROUP_COPY 106
-# define EC_F_EC_GROUP_GET0_GENERATOR 139
-# define EC_F_EC_GROUP_GET_COFACTOR 140
-# define EC_F_EC_GROUP_GET_CURVE_GF2M 172
-# define EC_F_EC_GROUP_GET_CURVE_GFP 130
-# define EC_F_EC_GROUP_GET_DEGREE 173
-# define EC_F_EC_GROUP_GET_ORDER 141
-# define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193
-# define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194
-# define EC_F_EC_GROUP_NEW 108
-# define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174
-# define EC_F_EC_GROUP_NEW_FROM_DATA 175
-# define EC_F_EC_GROUP_PRECOMPUTE_MULT 142
-# define EC_F_EC_GROUP_SET_CURVE_GF2M 176
-# define EC_F_EC_GROUP_SET_CURVE_GFP 109
-# define EC_F_EC_GROUP_SET_EXTRA_DATA 110
-# define EC_F_EC_GROUP_SET_GENERATOR 111
-# define EC_F_EC_KEY_CHECK_KEY 177
-# define EC_F_EC_KEY_COPY 178
-# define EC_F_EC_KEY_GENERATE_KEY 179
-# define EC_F_EC_KEY_NEW 182
-# define EC_F_EC_KEY_PRINT 180
-# define EC_F_EC_KEY_PRINT_FP 181
-# define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES 229
-# define EC_F_EC_POINTS_MAKE_AFFINE 136
-# define EC_F_EC_POINT_ADD 112
-# define EC_F_EC_POINT_CMP 113
-# define EC_F_EC_POINT_COPY 114
-# define EC_F_EC_POINT_DBL 115
-# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 183
-# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 116
-# define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117
-# define EC_F_EC_POINT_INVERT 210
-# define EC_F_EC_POINT_IS_AT_INFINITY 118
-# define EC_F_EC_POINT_IS_ON_CURVE 119
-# define EC_F_EC_POINT_MAKE_AFFINE 120
-# define EC_F_EC_POINT_MUL 184
-# define EC_F_EC_POINT_NEW 121
-# define EC_F_EC_POINT_OCT2POINT 122
-# define EC_F_EC_POINT_POINT2OCT 123
-# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 185
-# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124
-# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 186
-# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125
-# define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126
-# define EC_F_EC_POINT_SET_TO_INFINITY 127
-# define EC_F_EC_PRE_COMP_DUP 207
-# define EC_F_EC_PRE_COMP_NEW 196
-# define EC_F_EC_WNAF_MUL 187
-# define EC_F_EC_WNAF_PRECOMPUTE_MULT 188
-# define EC_F_I2D_ECPARAMETERS 190
-# define EC_F_I2D_ECPKPARAMETERS 191
-# define EC_F_I2D_ECPRIVATEKEY 192
-# define EC_F_I2O_ECPUBLICKEY 151
-# define EC_F_NISTP224_PRE_COMP_NEW 227
-# define EC_F_NISTP256_PRE_COMP_NEW 236
-# define EC_F_NISTP521_PRE_COMP_NEW 237
-# define EC_F_ECP_NISTZ256_GET_AFFINE 240
-# define EC_F_ECP_NISTZ256_POINTS_MUL 241
-# define EC_F_ECP_NISTZ256_WINDOWED_MUL 242
-# define EC_F_ECP_NISTZ256_MULT_PRECOMPUTE 243
-# define EC_F_ECP_NISTZ256_PRE_COMP_NEW 244
-# define EC_F_O2I_ECPUBLICKEY 152
-# define EC_F_OLD_EC_PRIV_DECODE 222
-# define EC_F_PKEY_EC_CTRL 197
-# define EC_F_PKEY_EC_CTRL_STR 198
-# define EC_F_PKEY_EC_DERIVE 217
-# define EC_F_PKEY_EC_KEYGEN 199
-# define EC_F_PKEY_EC_PARAMGEN 219
-# define EC_F_PKEY_EC_SIGN 218
-
-/* Reason codes. */
-# define EC_R_ASN1_ERROR 115
-# define EC_R_ASN1_UNKNOWN_FIELD 116
-# define EC_R_BIGNUM_OUT_OF_RANGE 144
-# define EC_R_BUFFER_TOO_SMALL 100
-# define EC_R_COORDINATES_OUT_OF_RANGE 146
-# define EC_R_D2I_ECPKPARAMETERS_FAILURE 117
-# define EC_R_DECODE_ERROR 142
-# define EC_R_DISCRIMINANT_IS_ZERO 118
-# define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119
-# define EC_R_FIELD_TOO_LARGE 143
-# define EC_R_GF2M_NOT_SUPPORTED 147
-# define EC_R_GROUP2PKPARAMETERS_FAILURE 120
-# define EC_R_I2D_ECPKPARAMETERS_FAILURE 121
-# define EC_R_INCOMPATIBLE_OBJECTS 101
-# define EC_R_INVALID_ARGUMENT 112
-# define EC_R_INVALID_COMPRESSED_POINT 110
-# define EC_R_INVALID_COMPRESSION_BIT 109
-# define EC_R_INVALID_CURVE 141
-# define EC_R_INVALID_DIGEST 151
-# define EC_R_INVALID_DIGEST_TYPE 138
-# define EC_R_INVALID_ENCODING 102
-# define EC_R_INVALID_FIELD 103
-# define EC_R_INVALID_FORM 104
-# define EC_R_INVALID_GROUP_ORDER 122
-# define EC_R_INVALID_PENTANOMIAL_BASIS 132
-# define EC_R_INVALID_PRIVATE_KEY 123
-# define EC_R_INVALID_TRINOMIAL_BASIS 137
-# define EC_R_KDF_PARAMETER_ERROR 148
-# define EC_R_KEYS_NOT_SET 140
-# define EC_R_MISSING_PARAMETERS 124
-# define EC_R_MISSING_PRIVATE_KEY 125
-# define EC_R_NOT_A_NIST_PRIME 135
-# define EC_R_NOT_A_SUPPORTED_NIST_PRIME 136
-# define EC_R_NOT_IMPLEMENTED 126
-# define EC_R_NOT_INITIALIZED 111
-# define EC_R_NO_FIELD_MOD 133
-# define EC_R_NO_PARAMETERS_SET 139
-# define EC_R_PASSED_NULL_PARAMETER 134
-# define EC_R_PEER_KEY_ERROR 149
-# define EC_R_PKPARAMETERS2GROUP_FAILURE 127
-# define EC_R_POINT_AT_INFINITY 106
-# define EC_R_POINT_IS_NOT_ON_CURVE 107
-# define EC_R_SHARED_INFO_ERROR 150
-# define EC_R_SLOT_FULL 108
-# define EC_R_UNDEFINED_GENERATOR 113
-# define EC_R_UNDEFINED_ORDER 128
-# define EC_R_UNKNOWN_GROUP 129
-# define EC_R_UNKNOWN_ORDER 114
-# define EC_R_UNSUPPORTED_FIELD 131
-# define EC_R_WRONG_CURVE_PARAMETERS 145
-# define EC_R_WRONG_ORDER 130
-
-#ifdef __cplusplus
+int ERR_load_EC_strings(void);
+
+# ifdef __cplusplus
}
-#endif
+# endif
+# endif
#endif
projects / openssl.git / blobdiff