ThingWorx C SDK
ec.h
1 /* crypto/ec/ec.h */
2 /*
3  * Originally written by Bodo Moeller for the OpenSSL project.
4  */
9 /* ====================================================================
10  * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  *
16  * 1. Redistributions of source code must retain the above copyright
17  * notice, this list of conditions and the following disclaimer.
18  *
19  * 2. Redistributions in binary form must reproduce the above copyright
20  * notice, this list of conditions and the following disclaimer in
21  * the documentation and/or other materials provided with the
22  * distribution.
23  *
24  * 3. All advertising materials mentioning features or use of this
25  * software must display the following acknowledgment:
26  * "This product includes software developed by the OpenSSL Project
27  * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
28  *
29  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
30  * endorse or promote products derived from this software without
31  * prior written permission. For written permission, please contact
32  * openssl-core@openssl.org.
33  *
34  * 5. Products derived from this software may not be called "OpenSSL"
35  * nor may "OpenSSL" appear in their names without prior written
36  * permission of the OpenSSL Project.
37  *
38  * 6. Redistributions of any form whatsoever must retain the following
39  * acknowledgment:
40  * "This product includes software developed by the OpenSSL Project
41  * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
42  *
43  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
44  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
46  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
47  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
49  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
50  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
52  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
53  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
54  * OF THE POSSIBILITY OF SUCH DAMAGE.
55  * ====================================================================
56  *
57  * This product includes cryptographic software written by Eric Young
58  * (eay@cryptsoft.com). This product includes software written by Tim
59  * Hudson (tjh@cryptsoft.com).
60  *
61  */
62 /* ====================================================================
63  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
64  *
65  * Portions of the attached software ("Contribution") are developed by
66  * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
67  *
68  * The Contribution is licensed pursuant to the OpenSSL open source
69  * license provided above.
70  *
71  * The elliptic curve binary polynomial software is originally written by
72  * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
73  *
74  */
75 
76 #ifndef HEADER_EC_H
77 # define HEADER_EC_H
78 
79 # include <openssl/opensslconf.h>
80 
81 # ifdef OPENSSL_NO_EC
82 # error EC is disabled.
83 # endif
84 
85 # include <openssl/asn1.h>
86 # include <openssl/symhacks.h>
87 # ifndef OPENSSL_NO_DEPRECATED
88 # include <openssl/bn.h>
89 # endif
90 
91 # ifdef __cplusplus
92 extern "C" {
93 # elif defined(__SUNPRO_C)
94 # if __SUNPRO_C >= 0x520
95 # pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
96 # endif
97 # endif
98 
99 # ifndef OPENSSL_ECC_MAX_FIELD_BITS
100 # define OPENSSL_ECC_MAX_FIELD_BITS 661
101 # endif
102 
105 typedef enum {
108  POINT_CONVERSION_COMPRESSED = 2,
110  POINT_CONVERSION_UNCOMPRESSED = 4,
113  POINT_CONVERSION_HYBRID = 6
114 } point_conversion_form_t;
115 
116 typedef struct ec_method_st EC_METHOD;
117 
118 typedef struct ec_group_st
119  /*-
120  EC_METHOD *meth;
121  -- field definition
122  -- curve coefficients
123  -- optional generator with associated information (order, cofactor)
124  -- optional extra data (precomputed table for fast computation of multiples of generator)
125  -- ASN1 stuff
126  */
127  EC_GROUP;
128 
129 typedef struct ec_point_st EC_POINT;
130 
131 /********************************************************************/
132 /* EC_METHODs for curves over GF(p) */
133 /********************************************************************/
134 
139 const EC_METHOD *EC_GFp_simple_method(void);
140 
144 const EC_METHOD *EC_GFp_mont_method(void);
145 
149 const EC_METHOD *EC_GFp_nist_method(void);
150 
151 # ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
152 
155 const EC_METHOD *EC_GFp_nistp224_method(void);
156 
160 const EC_METHOD *EC_GFp_nistp256_method(void);
161 
165 const EC_METHOD *EC_GFp_nistp521_method(void);
166 # endif
167 
168 # ifndef OPENSSL_NO_EC2M
169 /********************************************************************/
170 /* EC_METHOD for curves over GF(2^m) */
171 /********************************************************************/
172 
176 const EC_METHOD *EC_GF2m_simple_method(void);
177 
178 # endif
179 
180 /********************************************************************/
181 /* EC_GROUP functions */
182 /********************************************************************/
183 
188 EC_GROUP *EC_GROUP_new(const EC_METHOD *meth);
189 
193 void EC_GROUP_free(EC_GROUP *group);
194 
198 void EC_GROUP_clear_free(EC_GROUP *group);
199 
205 int EC_GROUP_copy(EC_GROUP *dst, const EC_GROUP *src);
206 
212 EC_GROUP *EC_GROUP_dup(const EC_GROUP *src);
213 
218 const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group);
219 
224 int EC_METHOD_get_field_type(const EC_METHOD *meth);
225 
234 int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator,
235  const BIGNUM *order, const BIGNUM *cofactor);
236 
241 const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group);
242 
247 BN_MONT_CTX *EC_GROUP_get_mont_data(const EC_GROUP *group);
248 
255 int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx);
256 
263 int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor,
264  BN_CTX *ctx);
265 
270 void EC_GROUP_set_curve_name(EC_GROUP *group, int nid);
271 
276 int EC_GROUP_get_curve_name(const EC_GROUP *group);
277 
278 void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag);
279 int EC_GROUP_get_asn1_flag(const EC_GROUP *group);
280 
281 void EC_GROUP_set_point_conversion_form(EC_GROUP *group,
282  point_conversion_form_t form);
283 point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *);
284 
285 unsigned char *EC_GROUP_get0_seed(const EC_GROUP *x);
286 size_t EC_GROUP_get_seed_len(const EC_GROUP *);
287 size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len);
288 
297 int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
298  const BIGNUM *b, BN_CTX *ctx);
299 
308 int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
309  BIGNUM *b, BN_CTX *ctx);
310 
311 # ifndef OPENSSL_NO_EC2M
312 
320 int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
321  const BIGNUM *b, BN_CTX *ctx);
322 
331 int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
332  BIGNUM *b, BN_CTX *ctx);
333 # endif
334 
338 int EC_GROUP_get_degree(const EC_GROUP *group);
339 
345 int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx);
346 
352 int EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx);
353 
360 int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx);
361 
362 /*
363  * EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*() after
364  * choosing an appropriate EC_METHOD
365  */
366 
375 EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a,
376  const BIGNUM *b, BN_CTX *ctx);
377 # ifndef OPENSSL_NO_EC2M
378 
386 EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a,
387  const BIGNUM *b, BN_CTX *ctx);
388 # endif
389 
394 EC_GROUP *EC_GROUP_new_by_curve_name(int nid);
395 
396 /********************************************************************/
397 /* handling of internal curves */
398 /********************************************************************/
399 
400 typedef struct {
401  int nid;
402  const char *comment;
404 
405 /*
406  * EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number of all
407  * available curves or zero if a error occurred. In case r ist not zero
408  * nitems EC_builtin_curve structures are filled with the data of the first
409  * nitems internal groups
410  */
411 size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems);
412 
413 const char *EC_curve_nid2nist(int nid);
414 int EC_curve_nist2nid(const char *name);
415 
416 /********************************************************************/
417 /* EC_POINT functions */
418 /********************************************************************/
419 
424 EC_POINT *EC_POINT_new(const EC_GROUP *group);
425 
429 void EC_POINT_free(EC_POINT *point);
430 
434 void EC_POINT_clear_free(EC_POINT *point);
435 
441 int EC_POINT_copy(EC_POINT *dst, const EC_POINT *src);
442 
449 EC_POINT *EC_POINT_dup(const EC_POINT *src, const EC_GROUP *group);
450 
455 const EC_METHOD *EC_POINT_method_of(const EC_POINT *point);
456 
462 int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point);
463 
473 int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group,
474  EC_POINT *p, const BIGNUM *x,
475  const BIGNUM *y, const BIGNUM *z,
476  BN_CTX *ctx);
477 
487 int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group,
488  const EC_POINT *p, BIGNUM *x,
489  BIGNUM *y, BIGNUM *z,
490  BN_CTX *ctx);
491 
500 int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p,
501  const BIGNUM *x, const BIGNUM *y,
502  BN_CTX *ctx);
503 
512 int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group,
513  const EC_POINT *p, BIGNUM *x,
514  BIGNUM *y, BN_CTX *ctx);
515 
524 int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
525  EC_POINT *p, const BIGNUM *x,
526  int y_bit, BN_CTX *ctx);
527 # ifndef OPENSSL_NO_EC2M
528 
536 int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p,
537  const BIGNUM *x, const BIGNUM *y,
538  BN_CTX *ctx);
539 
548 int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group,
549  const EC_POINT *p, BIGNUM *x,
550  BIGNUM *y, BN_CTX *ctx);
551 
560 int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,
561  EC_POINT *p, const BIGNUM *x,
562  int y_bit, BN_CTX *ctx);
563 # endif
564 
574 size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p,
575  point_conversion_form_t form,
576  unsigned char *buf, size_t len, BN_CTX *ctx);
577 
586 int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p,
587  const unsigned char *buf, size_t len, BN_CTX *ctx);
588 
589 /* other interfaces to point2oct/oct2point: */
590 BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
591  point_conversion_form_t form, BIGNUM *, BN_CTX *);
592 EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *,
593  EC_POINT *, BN_CTX *);
594 char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *,
595  point_conversion_form_t form, BN_CTX *);
596 EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *,
597  EC_POINT *, BN_CTX *);
598 
599 /********************************************************************/
600 /* functions for doing EC_POINT arithmetic */
601 /********************************************************************/
602 
611 int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
612  const EC_POINT *b, BN_CTX *ctx);
613 
621 int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
622  BN_CTX *ctx);
623 
630 int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx);
631 
637 int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *p);
638 
645 int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point,
646  BN_CTX *ctx);
647 
655 int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b,
656  BN_CTX *ctx);
657 
658 int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx);
659 int EC_POINTs_make_affine(const EC_GROUP *group, size_t num,
660  EC_POINT *points[], BN_CTX *ctx);
661 
672 int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
673  size_t num, const EC_POINT *p[], const BIGNUM *m[],
674  BN_CTX *ctx);
675 
685 int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
686  const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx);
687 
693 int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
694 
699 int EC_GROUP_have_precompute_mult(const EC_GROUP *group);
700 
701 /********************************************************************/
702 /* ASN1 stuff */
703 /********************************************************************/
704 
705 /*
706  * EC_GROUP_get_basis_type() returns the NID of the basis type used to
707  * represent the field elements
708  */
709 int EC_GROUP_get_basis_type(const EC_GROUP *);
710 # ifndef OPENSSL_NO_EC2M
711 int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k);
712 int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1,
713  unsigned int *k2, unsigned int *k3);
714 # endif
715 
716 # define OPENSSL_EC_NAMED_CURVE 0x001
717 
718 typedef struct ecpk_parameters_st ECPKPARAMETERS;
719 
720 EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len);
721 int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out);
722 
723 # define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x)
724 # define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x)
725 # define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \
726  (char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x))
727 # define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \
728  (unsigned char *)(x))
729 
730 # ifndef OPENSSL_NO_BIO
731 int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off);
732 # endif
733 # ifndef OPENSSL_NO_FP_API
734 int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off);
735 # endif
736 
737 /********************************************************************/
738 /* EC_KEY functions */
739 /********************************************************************/
740 
741 typedef struct ec_key_st EC_KEY;
742 
743 /* some values for the encoding_flag */
744 # define EC_PKEY_NO_PARAMETERS 0x001
745 # define EC_PKEY_NO_PUBKEY 0x002
746 
747 /* some values for the flags field */
748 # define EC_FLAG_NON_FIPS_ALLOW 0x1
749 # define EC_FLAG_FIPS_CHECKED 0x2
750 
754 EC_KEY *EC_KEY_new(void);
755 
756 int EC_KEY_get_flags(const EC_KEY *key);
757 
758 void EC_KEY_set_flags(EC_KEY *key, int flags);
759 
760 void EC_KEY_clear_flags(EC_KEY *key, int flags);
761 
767 EC_KEY *EC_KEY_new_by_curve_name(int nid);
768 
772 void EC_KEY_free(EC_KEY *key);
773 
779 EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src);
780 
785 EC_KEY *EC_KEY_dup(const EC_KEY *src);
786 
791 int EC_KEY_up_ref(EC_KEY *key);
792 
797 const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key);
798 
805 int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group);
806 
811 const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key);
812 
819 int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv);
820 
825 const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key);
826 
833 int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub);
834 
835 unsigned EC_KEY_get_enc_flags(const EC_KEY *key);
836 void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags);
837 point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key);
838 void EC_KEY_set_conv_form(EC_KEY *eckey, point_conversion_form_t cform);
839 /* functions to set/get method specific data */
840 void *EC_KEY_get_key_method_data(EC_KEY *key,
841  void *(*dup_func) (void *),
842  void (*free_func) (void *),
843  void (*clear_free_func) (void *));
852 void *EC_KEY_insert_key_method_data(EC_KEY *key, void *data,
853  void *(*dup_func) (void *),
854  void (*free_func) (void *),
855  void (*clear_free_func) (void *));
856 /* wrapper functions for the underlying EC_GROUP object */
857 void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag);
858 
865 int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx);
866 
871 int EC_KEY_generate_key(EC_KEY *key);
872 
877 int EC_KEY_check_key(const EC_KEY *key);
878 
886 int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x,
887  BIGNUM *y);
888 
889 /********************************************************************/
890 /* de- and encoding functions for SEC1 ECPrivateKey */
891 /********************************************************************/
892 
899 EC_KEY *d2i_ECPrivateKey(EC_KEY **key, const unsigned char **in, long len);
900 
907 int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out);
908 
909 /********************************************************************/
910 /* de- and encoding functions for EC parameters */
911 /********************************************************************/
912 
920 EC_KEY *d2i_ECParameters(EC_KEY **key, const unsigned char **in, long len);
921 
928 int i2d_ECParameters(EC_KEY *key, unsigned char **out);
929 
930 /********************************************************************/
931 /* de- and encoding functions for EC public key */
932 /* (octet string, not DER -- hence 'o2i' and 'i2o') */
933 /********************************************************************/
934 
942 EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len);
943 
950 int i2o_ECPublicKey(EC_KEY *key, unsigned char **out);
951 
952 # ifndef OPENSSL_NO_BIO
953 
958 int ECParameters_print(BIO *bp, const EC_KEY *key);
959 
966 int EC_KEY_print(BIO *bp, const EC_KEY *key, int off);
967 
968 # endif
969 # ifndef OPENSSL_NO_FP_API
970 
975 int ECParameters_print_fp(FILE *fp, const EC_KEY *key);
976 
983 int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off);
984 
985 # endif
986 
987 # define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)
988 
989 # ifndef __cplusplus
990 # if defined(__SUNPRO_C)
991 # if __SUNPRO_C >= 0x520
992 # pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
993 # endif
994 # endif
995 # endif
996 
997 # define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \
998  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
999  EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \
1000  EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL)
1001 
1002 # define EVP_PKEY_CTX_set_ec_param_enc(ctx, flag) \
1003  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1004  EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \
1005  EVP_PKEY_CTRL_EC_PARAM_ENC, flag, NULL)
1006 
1007 # define EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, flag) \
1008  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1009  EVP_PKEY_OP_DERIVE, \
1010  EVP_PKEY_CTRL_EC_ECDH_COFACTOR, flag, NULL)
1011 
1012 # define EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx) \
1013  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1014  EVP_PKEY_OP_DERIVE, \
1015  EVP_PKEY_CTRL_EC_ECDH_COFACTOR, -2, NULL)
1016 
1017 # define EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, kdf) \
1018  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1019  EVP_PKEY_OP_DERIVE, \
1020  EVP_PKEY_CTRL_EC_KDF_TYPE, kdf, NULL)
1021 
1022 # define EVP_PKEY_CTX_get_ecdh_kdf_type(ctx) \
1023  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1024  EVP_PKEY_OP_DERIVE, \
1025  EVP_PKEY_CTRL_EC_KDF_TYPE, -2, NULL)
1026 
1027 # define EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, md) \
1028  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1029  EVP_PKEY_OP_DERIVE, \
1030  EVP_PKEY_CTRL_EC_KDF_MD, 0, (void *)md)
1031 
1032 # define EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, pmd) \
1033  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1034  EVP_PKEY_OP_DERIVE, \
1035  EVP_PKEY_CTRL_GET_EC_KDF_MD, 0, (void *)pmd)
1036 
1037 # define EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, len) \
1038  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1039  EVP_PKEY_OP_DERIVE, \
1040  EVP_PKEY_CTRL_EC_KDF_OUTLEN, len, NULL)
1041 
1042 # define EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, plen) \
1043  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1044  EVP_PKEY_OP_DERIVE, \
1045  EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN, 0, (void *)plen)
1046 
1047 # define EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p, plen) \
1048  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1049  EVP_PKEY_OP_DERIVE, \
1050  EVP_PKEY_CTRL_EC_KDF_UKM, plen, (void *)p)
1051 
1052 # define EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p) \
1053  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
1054  EVP_PKEY_OP_DERIVE, \
1055  EVP_PKEY_CTRL_GET_EC_KDF_UKM, 0, (void *)p)
1056 
1057 # define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1)
1058 # define EVP_PKEY_CTRL_EC_PARAM_ENC (EVP_PKEY_ALG_CTRL + 2)
1059 # define EVP_PKEY_CTRL_EC_ECDH_COFACTOR (EVP_PKEY_ALG_CTRL + 3)
1060 # define EVP_PKEY_CTRL_EC_KDF_TYPE (EVP_PKEY_ALG_CTRL + 4)
1061 # define EVP_PKEY_CTRL_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 5)
1062 # define EVP_PKEY_CTRL_GET_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 6)
1063 # define EVP_PKEY_CTRL_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 7)
1064 # define EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 8)
1065 # define EVP_PKEY_CTRL_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 9)
1066 # define EVP_PKEY_CTRL_GET_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 10)
1067 /* KDF types */
1068 # define EVP_PKEY_ECDH_KDF_NONE 1
1069 # define EVP_PKEY_ECDH_KDF_X9_62 2
1070 
1071 /* BEGIN ERROR CODES */
1072 /*
1073  * The following lines are auto generated by the script mkerr.pl. Any changes
1074  * made after this point may be overwritten when the script is next run.
1075  */
1076 void ERR_load_EC_strings(void);
1077 
1078 /* Error codes for the EC functions. */
1079 
1080 /* Function codes. */
1081 # define EC_F_BN_TO_FELEM 224
1082 # define EC_F_COMPUTE_WNAF 143
1083 # define EC_F_D2I_ECPARAMETERS 144
1084 # define EC_F_D2I_ECPKPARAMETERS 145
1085 # define EC_F_D2I_ECPRIVATEKEY 146
1086 # define EC_F_DO_EC_KEY_PRINT 221
1087 # define EC_F_ECDH_CMS_DECRYPT 238
1088 # define EC_F_ECDH_CMS_SET_SHARED_INFO 239
1089 # define EC_F_ECKEY_PARAM2TYPE 223
1090 # define EC_F_ECKEY_PARAM_DECODE 212
1091 # define EC_F_ECKEY_PRIV_DECODE 213
1092 # define EC_F_ECKEY_PRIV_ENCODE 214
1093 # define EC_F_ECKEY_PUB_DECODE 215
1094 # define EC_F_ECKEY_PUB_ENCODE 216
1095 # define EC_F_ECKEY_TYPE2PARAM 220
1096 # define EC_F_ECPARAMETERS_PRINT 147
1097 # define EC_F_ECPARAMETERS_PRINT_FP 148
1098 # define EC_F_ECPKPARAMETERS_PRINT 149
1099 # define EC_F_ECPKPARAMETERS_PRINT_FP 150
1100 # define EC_F_ECP_NISTZ256_GET_AFFINE 240
1101 # define EC_F_ECP_NISTZ256_MULT_PRECOMPUTE 243
1102 # define EC_F_ECP_NISTZ256_POINTS_MUL 241
1103 # define EC_F_ECP_NISTZ256_PRE_COMP_NEW 244
1104 # define EC_F_ECP_NISTZ256_SET_WORDS 245
1105 # define EC_F_ECP_NISTZ256_WINDOWED_MUL 242
1106 # define EC_F_ECP_NIST_MOD_192 203
1107 # define EC_F_ECP_NIST_MOD_224 204
1108 # define EC_F_ECP_NIST_MOD_256 205
1109 # define EC_F_ECP_NIST_MOD_521 206
1110 # define EC_F_EC_ASN1_GROUP2CURVE 153
1111 # define EC_F_EC_ASN1_GROUP2FIELDID 154
1112 # define EC_F_EC_ASN1_GROUP2PARAMETERS 155
1113 # define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156
1114 # define EC_F_EC_ASN1_PARAMETERS2GROUP 157
1115 # define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158
1116 # define EC_F_EC_EX_DATA_SET_DATA 211
1117 # define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208
1118 # define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159
1119 # define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195
1120 # define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160
1121 # define EC_F_EC_GF2M_SIMPLE_POINT2OCT 161
1122 # define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162
1123 # define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163
1124 # define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164
1125 # define EC_F_EC_GFP_MONT_FIELD_DECODE 133
1126 # define EC_F_EC_GFP_MONT_FIELD_ENCODE 134
1127 # define EC_F_EC_GFP_MONT_FIELD_MUL 131
1128 # define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209
1129 # define EC_F_EC_GFP_MONT_FIELD_SQR 132
1130 # define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189
1131 # define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135
1132 # define EC_F_EC_GFP_NISTP224_GROUP_SET_CURVE 225
1133 # define EC_F_EC_GFP_NISTP224_POINTS_MUL 228
1134 # define EC_F_EC_GFP_NISTP224_POINT_GET_AFFINE_COORDINATES 226
1135 # define EC_F_EC_GFP_NISTP256_GROUP_SET_CURVE 230
1136 # define EC_F_EC_GFP_NISTP256_POINTS_MUL 231
1137 # define EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES 232
1138 # define EC_F_EC_GFP_NISTP521_GROUP_SET_CURVE 233
1139 # define EC_F_EC_GFP_NISTP521_POINTS_MUL 234
1140 # define EC_F_EC_GFP_NISTP521_POINT_GET_AFFINE_COORDINATES 235
1141 # define EC_F_EC_GFP_NIST_FIELD_MUL 200
1142 # define EC_F_EC_GFP_NIST_FIELD_SQR 201
1143 # define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202
1144 # define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165
1145 # define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166
1146 # define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100
1147 # define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101
1148 # define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102
1149 # define EC_F_EC_GFP_SIMPLE_OCT2POINT 103
1150 # define EC_F_EC_GFP_SIMPLE_POINT2OCT 104
1151 # define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137
1152 # define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167
1153 # define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105
1154 # define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168
1155 # define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128
1156 # define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169
1157 # define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129
1158 # define EC_F_EC_GROUP_CHECK 170
1159 # define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171
1160 # define EC_F_EC_GROUP_COPY 106
1161 # define EC_F_EC_GROUP_GET0_GENERATOR 139
1162 # define EC_F_EC_GROUP_GET_COFACTOR 140
1163 # define EC_F_EC_GROUP_GET_CURVE_GF2M 172
1164 # define EC_F_EC_GROUP_GET_CURVE_GFP 130
1165 # define EC_F_EC_GROUP_GET_DEGREE 173
1166 # define EC_F_EC_GROUP_GET_ORDER 141
1167 # define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193
1168 # define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194
1169 # define EC_F_EC_GROUP_NEW 108
1170 # define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174
1171 # define EC_F_EC_GROUP_NEW_FROM_DATA 175
1172 # define EC_F_EC_GROUP_PRECOMPUTE_MULT 142
1173 # define EC_F_EC_GROUP_SET_CURVE_GF2M 176
1174 # define EC_F_EC_GROUP_SET_CURVE_GFP 109
1175 # define EC_F_EC_GROUP_SET_EXTRA_DATA 110
1176 # define EC_F_EC_GROUP_SET_GENERATOR 111
1177 # define EC_F_EC_KEY_CHECK_KEY 177
1178 # define EC_F_EC_KEY_COPY 178
1179 # define EC_F_EC_KEY_GENERATE_KEY 179
1180 # define EC_F_EC_KEY_NEW 182
1181 # define EC_F_EC_KEY_PRINT 180
1182 # define EC_F_EC_KEY_PRINT_FP 181
1183 # define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES 229
1184 # define EC_F_EC_POINTS_MAKE_AFFINE 136
1185 # define EC_F_EC_POINT_ADD 112
1186 # define EC_F_EC_POINT_CMP 113
1187 # define EC_F_EC_POINT_COPY 114
1188 # define EC_F_EC_POINT_DBL 115
1189 # define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 183
1190 # define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 116
1191 # define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117
1192 # define EC_F_EC_POINT_INVERT 210
1193 # define EC_F_EC_POINT_IS_AT_INFINITY 118
1194 # define EC_F_EC_POINT_IS_ON_CURVE 119
1195 # define EC_F_EC_POINT_MAKE_AFFINE 120
1196 # define EC_F_EC_POINT_MUL 184
1197 # define EC_F_EC_POINT_NEW 121
1198 # define EC_F_EC_POINT_OCT2POINT 122
1199 # define EC_F_EC_POINT_POINT2OCT 123
1200 # define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 185
1201 # define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124
1202 # define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 186
1203 # define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125
1204 # define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126
1205 # define EC_F_EC_POINT_SET_TO_INFINITY 127
1206 # define EC_F_EC_PRE_COMP_DUP 207
1207 # define EC_F_EC_PRE_COMP_NEW 196
1208 # define EC_F_EC_WNAF_MUL 187
1209 # define EC_F_EC_WNAF_PRECOMPUTE_MULT 188
1210 # define EC_F_I2D_ECPARAMETERS 190
1211 # define EC_F_I2D_ECPKPARAMETERS 191
1212 # define EC_F_I2D_ECPRIVATEKEY 192
1213 # define EC_F_I2O_ECPUBLICKEY 151
1214 # define EC_F_NISTP224_PRE_COMP_NEW 227
1215 # define EC_F_NISTP256_PRE_COMP_NEW 236
1216 # define EC_F_NISTP521_PRE_COMP_NEW 237
1217 # define EC_F_O2I_ECPUBLICKEY 152
1218 # define EC_F_OLD_EC_PRIV_DECODE 222
1219 # define EC_F_PKEY_EC_CTRL 197
1220 # define EC_F_PKEY_EC_CTRL_STR 198
1221 # define EC_F_PKEY_EC_DERIVE 217
1222 # define EC_F_PKEY_EC_KEYGEN 199
1223 # define EC_F_PKEY_EC_PARAMGEN 219
1224 # define EC_F_PKEY_EC_SIGN 218
1225 
1226 /* Reason codes. */
1227 # define EC_R_ASN1_ERROR 115
1228 # define EC_R_ASN1_UNKNOWN_FIELD 116
1229 # define EC_R_BIGNUM_OUT_OF_RANGE 144
1230 # define EC_R_BUFFER_TOO_SMALL 100
1231 # define EC_R_COORDINATES_OUT_OF_RANGE 146
1232 # define EC_R_D2I_ECPKPARAMETERS_FAILURE 117
1233 # define EC_R_DECODE_ERROR 142
1234 # define EC_R_DISCRIMINANT_IS_ZERO 118
1235 # define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119
1236 # define EC_R_FIELD_TOO_LARGE 143
1237 # define EC_R_GF2M_NOT_SUPPORTED 147
1238 # define EC_R_GROUP2PKPARAMETERS_FAILURE 120
1239 # define EC_R_I2D_ECPKPARAMETERS_FAILURE 121
1240 # define EC_R_INCOMPATIBLE_OBJECTS 101
1241 # define EC_R_INVALID_ARGUMENT 112
1242 # define EC_R_INVALID_COMPRESSED_POINT 110
1243 # define EC_R_INVALID_COMPRESSION_BIT 109
1244 # define EC_R_INVALID_CURVE 141
1245 # define EC_R_INVALID_DIGEST 151
1246 # define EC_R_INVALID_DIGEST_TYPE 138
1247 # define EC_R_INVALID_ENCODING 102
1248 # define EC_R_INVALID_FIELD 103
1249 # define EC_R_INVALID_FORM 104
1250 # define EC_R_INVALID_GROUP_ORDER 122
1251 # define EC_R_INVALID_PENTANOMIAL_BASIS 132
1252 # define EC_R_INVALID_PRIVATE_KEY 123
1253 # define EC_R_INVALID_TRINOMIAL_BASIS 137
1254 # define EC_R_KDF_PARAMETER_ERROR 148
1255 # define EC_R_KEYS_NOT_SET 140
1256 # define EC_R_MISSING_PARAMETERS 124
1257 # define EC_R_MISSING_PRIVATE_KEY 125
1258 # define EC_R_NOT_A_NIST_PRIME 135
1259 # define EC_R_NOT_A_SUPPORTED_NIST_PRIME 136
1260 # define EC_R_NOT_IMPLEMENTED 126
1261 # define EC_R_NOT_INITIALIZED 111
1262 # define EC_R_NO_FIELD_MOD 133
1263 # define EC_R_NO_PARAMETERS_SET 139
1264 # define EC_R_PASSED_NULL_PARAMETER 134
1265 # define EC_R_PEER_KEY_ERROR 149
1266 # define EC_R_PKPARAMETERS2GROUP_FAILURE 127
1267 # define EC_R_POINT_AT_INFINITY 106
1268 # define EC_R_POINT_IS_NOT_ON_CURVE 107
1269 # define EC_R_SHARED_INFO_ERROR 150
1270 # define EC_R_SLOT_FULL 108
1271 # define EC_R_UNDEFINED_GENERATOR 113
1272 # define EC_R_UNDEFINED_ORDER 128
1273 # define EC_R_UNKNOWN_GROUP 129
1274 # define EC_R_UNKNOWN_ORDER 114
1275 # define EC_R_UNSUPPORTED_FIELD 131
1276 # define EC_R_WRONG_CURVE_PARAMETERS 145
1277 # define EC_R_WRONG_ORDER 130
1278 
1279 #ifdef __cplusplus
1280 }
1281 #endif
1282 #endif
Definition: bn.h:324
Definition: bn.h:313
Definition: ec.h:400
Definition: bio.h:325
Definition: zran.c:67