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- /* ec.h
- *
- * Copyright (C) 2006-2022 wolfSSL Inc.
- *
- * This file is part of wolfSSL.
- *
- * wolfSSL is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
- */
- /* ec.h for openssl */
- #ifndef WOLFSSL_EC_H_
- #define WOLFSSL_EC_H_
- #include <wolfssl/openssl/bn.h>
- #include <wolfssl/wolfcrypt/asn.h>
- #include <wolfssl/wolfcrypt/ecc.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
- /* Map OpenSSL NID value */
- enum {
- POINT_CONVERSION_COMPRESSED = 2,
- POINT_CONVERSION_UNCOMPRESSED = 4,
- #ifdef HAVE_ECC
- /* Use OpenSSL NIDs. NIDs can be mapped to ecc_curve_id enum values by
- calling NIDToEccEnum() in ssl.c */
- NID_X9_62_prime192v1 = 409,
- NID_X9_62_prime192v2 = 410,
- NID_X9_62_prime192v3 = 411,
- NID_X9_62_prime239v1 = 412,
- NID_X9_62_prime239v2 = 413,
- NID_X9_62_prime239v3 = 418, /* Previous value conflicted with AES128CBCb */
- NID_X9_62_prime256v1 = 415,
- NID_secp112r1 = 704,
- NID_secp112r2 = 705,
- NID_secp128r1 = 706,
- NID_secp128r2 = 707,
- NID_secp160r1 = 709,
- NID_secp160r2 = 710,
- NID_secp224r1 = 713,
- NID_secp384r1 = 715,
- NID_secp521r1 = 716,
- NID_secp160k1 = 708,
- NID_secp192k1 = 711,
- NID_secp224k1 = 712,
- NID_secp256k1 = 714,
- NID_brainpoolP160r1 = 921,
- NID_brainpoolP192r1 = 923,
- NID_brainpoolP224r1 = 925,
- NID_brainpoolP256r1 = 927,
- NID_brainpoolP320r1 = 929,
- NID_brainpoolP384r1 = 931,
- NID_brainpoolP512r1 = 933,
- #endif
- #ifdef HAVE_ED448
- NID_ED448 = ED448k,
- #endif
- #ifdef HAVE_ED25519
- NID_ED25519 = ED25519k,
- #endif
- OPENSSL_EC_EXPLICIT_CURVE = 0x000,
- OPENSSL_EC_NAMED_CURVE = 0x001,
- };
- #endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
- #ifndef WOLFSSL_EC_TYPE_DEFINED /* guard on redeclaration */
- typedef struct WOLFSSL_EC_KEY WOLFSSL_EC_KEY;
- typedef struct WOLFSSL_EC_POINT WOLFSSL_EC_POINT;
- typedef struct WOLFSSL_EC_GROUP WOLFSSL_EC_GROUP;
- typedef struct WOLFSSL_EC_BUILTIN_CURVE WOLFSSL_EC_BUILTIN_CURVE;
- /* WOLFSSL_EC_METHOD is just an alias of WOLFSSL_EC_GROUP for now */
- typedef struct WOLFSSL_EC_GROUP WOLFSSL_EC_METHOD;
- #define WOLFSSL_EC_TYPE_DEFINED
- #endif
- struct WOLFSSL_EC_POINT {
- WOLFSSL_BIGNUM *X;
- WOLFSSL_BIGNUM *Y;
- WOLFSSL_BIGNUM *Z;
- void* internal; /* our ECC point */
- char inSet; /* internal set from external ? */
- char exSet; /* external set from internal ? */
- };
- struct WOLFSSL_EC_GROUP {
- int curve_idx; /* index of curve, used by WolfSSL as reference */
- int curve_nid; /* NID of curve, used by OpenSSL/OpenSSH as reference */
- int curve_oid; /* OID of curve, used by OpenSSL/OpenSSH as reference */
- };
- struct WOLFSSL_EC_KEY {
- WOLFSSL_EC_GROUP *group;
- WOLFSSL_EC_POINT *pub_key;
- WOLFSSL_BIGNUM *priv_key;
- void* internal; /* our ECC Key */
- void* heap;
- char form; /* Either POINT_CONVERSION_UNCOMPRESSED or
- * POINT_CONVERSION_COMPRESSED */
- word16 pkcs8HeaderSz;
- /* option bits */
- byte inSet:1; /* internal set from external ? */
- byte exSet:1; /* external set from internal ? */
- #ifndef SINGLE_THREADED
- wolfSSL_Mutex refMutex; /* ref count mutex */
- #endif
- int refCount; /* reference count */
- };
- struct WOLFSSL_EC_BUILTIN_CURVE {
- int nid;
- const char *comment;
- };
- #define WOLFSSL_EC_KEY_LOAD_PRIVATE 1
- #define WOLFSSL_EC_KEY_LOAD_PUBLIC 2
- typedef int point_conversion_form_t;
- WOLFSSL_API
- size_t wolfSSL_EC_get_builtin_curves(WOLFSSL_EC_BUILTIN_CURVE *r,size_t nitems);
- WOLFSSL_API
- WOLFSSL_EC_KEY *wolfSSL_EC_KEY_dup(const WOLFSSL_EC_KEY *src);
- WOLFSSL_API
- int wolfSSL_EC_KEY_up_ref(WOLFSSL_EC_KEY* key);
- WOLFSSL_API
- int wolfSSL_ECPoint_i2d(const WOLFSSL_EC_GROUP *curve,
- const WOLFSSL_EC_POINT *p,
- unsigned char *out, unsigned int *len);
- WOLFSSL_API
- int wolfSSL_ECPoint_d2i(unsigned char *in, unsigned int len,
- const WOLFSSL_EC_GROUP *curve, WOLFSSL_EC_POINT *p);
- WOLFSSL_API
- size_t wolfSSL_EC_POINT_point2oct(const WOLFSSL_EC_GROUP *group,
- const WOLFSSL_EC_POINT *p,
- char form,
- byte *buf, size_t len, WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- int wolfSSL_EC_POINT_oct2point(const WOLFSSL_EC_GROUP *group,
- WOLFSSL_EC_POINT *p, const unsigned char *buf,
- size_t len, WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- WOLFSSL_EC_KEY *wolfSSL_o2i_ECPublicKey(WOLFSSL_EC_KEY **a, const unsigned char **in,
- long len);
- WOLFSSL_API
- int wolfSSL_i2o_ECPublicKey(const WOLFSSL_EC_KEY *in, unsigned char **out);
- WOLFSSL_API
- WOLFSSL_EC_KEY *wolfSSL_d2i_ECPrivateKey(WOLFSSL_EC_KEY **key, const unsigned char **in,
- long len);
- WOLFSSL_API
- int wolfSSL_i2d_ECPrivateKey(const WOLFSSL_EC_KEY *in, unsigned char **out);
- WOLFSSL_API
- void wolfSSL_EC_KEY_set_conv_form(WOLFSSL_EC_KEY *eckey, char form);
- WOLFSSL_API
- point_conversion_form_t wolfSSL_EC_KEY_get_conv_form(const WOLFSSL_EC_KEY* key);
- WOLFSSL_API
- WOLFSSL_BIGNUM *wolfSSL_EC_POINT_point2bn(const WOLFSSL_EC_GROUP *group,
- const WOLFSSL_EC_POINT *p,
- char form,
- WOLFSSL_BIGNUM *in, WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- int wolfSSL_EC_POINT_is_on_curve(const WOLFSSL_EC_GROUP *group,
- const WOLFSSL_EC_POINT *point,
- WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- int wolfSSL_EC_KEY_LoadDer(WOLFSSL_EC_KEY* key,
- const unsigned char* der, int derSz);
- WOLFSSL_API
- int wolfSSL_EC_KEY_LoadDer_ex(WOLFSSL_EC_KEY* key,
- const unsigned char* der, int derSz, int opt);
- WOLFSSL_API
- void wolfSSL_EC_KEY_free(WOLFSSL_EC_KEY *key);
- WOLFSSL_API
- WOLFSSL_EC_POINT *wolfSSL_EC_KEY_get0_public_key(const WOLFSSL_EC_KEY *key);
- WOLFSSL_API
- const WOLFSSL_EC_GROUP *wolfSSL_EC_KEY_get0_group(const WOLFSSL_EC_KEY *key);
- WOLFSSL_API
- int wolfSSL_EC_KEY_set_private_key(WOLFSSL_EC_KEY *key,
- const WOLFSSL_BIGNUM *priv_key);
- WOLFSSL_API
- WOLFSSL_BIGNUM *wolfSSL_EC_KEY_get0_private_key(const WOLFSSL_EC_KEY *key);
- WOLFSSL_API
- WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new_by_curve_name(int nid);
- WOLFSSL_API const char* wolfSSL_EC_curve_nid2nist(int nid);
- WOLFSSL_API int wolfSSL_EC_curve_nist2nid(const char* name);
- WOLFSSL_API
- WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new_ex(void* heap, int devId);
- WOLFSSL_API
- WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new(void);
- WOLFSSL_API
- int wolfSSL_EC_KEY_set_group(WOLFSSL_EC_KEY *key, WOLFSSL_EC_GROUP *group);
- WOLFSSL_API
- int wolfSSL_EC_KEY_generate_key(WOLFSSL_EC_KEY *key);
- WOLFSSL_API
- void wolfSSL_EC_KEY_set_asn1_flag(WOLFSSL_EC_KEY *key, int asn1_flag);
- WOLFSSL_API
- int wolfSSL_EC_KEY_set_public_key(WOLFSSL_EC_KEY *key,
- const WOLFSSL_EC_POINT *pub);
- WOLFSSL_API int wolfSSL_EC_KEY_check_key(const WOLFSSL_EC_KEY *key);
- #if !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM)
- WOLFSSL_API int wolfSSL_EC_KEY_print_fp(XFILE fp, WOLFSSL_EC_KEY* key,
- int indent);
- #endif /* !NO_FILESYSTEM && !NO_STDIO_FILESYSTEM */
- WOLFSSL_API int wolfSSL_ECDSA_size(const WOLFSSL_EC_KEY *key);
- WOLFSSL_API int wolfSSL_ECDSA_sign(int type, const unsigned char *digest,
- int digestSz, unsigned char *sig,
- unsigned int *sigSz, WOLFSSL_EC_KEY *key);
- WOLFSSL_API int wolfSSL_ECDSA_verify(int type, const unsigned char *digest,
- int digestSz, const unsigned char *sig,
- int sigSz, WOLFSSL_EC_KEY *key);
- WOLFSSL_API
- void wolfSSL_EC_GROUP_set_asn1_flag(WOLFSSL_EC_GROUP *group, int flag);
- WOLFSSL_API
- WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_new_by_curve_name(int nid);
- WOLFSSL_API
- int wolfSSL_EC_GROUP_cmp(const WOLFSSL_EC_GROUP *a, const WOLFSSL_EC_GROUP *b,
- WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_dup(const WOLFSSL_EC_GROUP *src);
- WOLFSSL_API
- int wolfSSL_EC_GROUP_get_curve_name(const WOLFSSL_EC_GROUP *group);
- WOLFSSL_API
- int wolfSSL_EC_GROUP_get_degree(const WOLFSSL_EC_GROUP *group);
- WOLFSSL_API
- int wolfSSL_EC_GROUP_get_order(const WOLFSSL_EC_GROUP *group,
- WOLFSSL_BIGNUM *order, WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- int wolfSSL_EC_GROUP_order_bits(const WOLFSSL_EC_GROUP *group);
- WOLFSSL_API
- void wolfSSL_EC_GROUP_free(WOLFSSL_EC_GROUP *group);
- WOLFSSL_API
- const WOLFSSL_EC_METHOD* wolfSSL_EC_GROUP_method_of(
- const WOLFSSL_EC_GROUP *group);
- WOLFSSL_API
- int wolfSSL_EC_METHOD_get_field_type(const WOLFSSL_EC_METHOD *meth);
- WOLFSSL_API
- WOLFSSL_EC_POINT *wolfSSL_EC_POINT_new(const WOLFSSL_EC_GROUP *group);
- WOLFSSL_API
- int wolfSSL_EC_POINT_get_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
- const WOLFSSL_EC_POINT *p,
- WOLFSSL_BIGNUM *x,
- WOLFSSL_BIGNUM *y,
- WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- int wolfSSL_EC_POINT_set_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
- WOLFSSL_EC_POINT *point,
- const WOLFSSL_BIGNUM *x,
- const WOLFSSL_BIGNUM *y,
- WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- int wolfSSL_EC_POINT_add(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r,
- const WOLFSSL_EC_POINT *p1,
- const WOLFSSL_EC_POINT *p2, WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- int wolfSSL_EC_POINT_mul(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r,
- const WOLFSSL_BIGNUM *n,
- const WOLFSSL_EC_POINT *q, const WOLFSSL_BIGNUM *m,
- WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- int wolfSSL_EC_POINT_invert(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *a,
- WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API
- void wolfSSL_EC_POINT_clear_free(WOLFSSL_EC_POINT *point);
- WOLFSSL_API
- int wolfSSL_EC_POINT_cmp(const WOLFSSL_EC_GROUP *group,
- const WOLFSSL_EC_POINT *a, const WOLFSSL_EC_POINT *b,
- WOLFSSL_BN_CTX *ctx);
- WOLFSSL_API int wolfSSL_EC_POINT_copy(WOLFSSL_EC_POINT *dest,
- const WOLFSSL_EC_POINT *src);
- WOLFSSL_API
- void wolfSSL_EC_POINT_free(WOLFSSL_EC_POINT *point);
- WOLFSSL_API
- int wolfSSL_EC_POINT_is_at_infinity(const WOLFSSL_EC_GROUP *group,
- const WOLFSSL_EC_POINT *a);
- #ifndef HAVE_SELFTEST
- WOLFSSL_API
- char* wolfSSL_EC_POINT_point2hex(const WOLFSSL_EC_GROUP* group,
- const WOLFSSL_EC_POINT* point, int form,
- WOLFSSL_BN_CTX* ctx);
- #endif
- #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
- typedef WOLFSSL_EC_KEY EC_KEY;
- typedef WOLFSSL_EC_GROUP EC_GROUP;
- typedef WOLFSSL_EC_GROUP EC_METHOD;
- typedef WOLFSSL_EC_POINT EC_POINT;
- typedef WOLFSSL_EC_BUILTIN_CURVE EC_builtin_curve;
- #ifndef HAVE_ECC
- #define OPENSSL_NO_EC
- #endif
- #define EC_KEY_new wolfSSL_EC_KEY_new
- #define EC_KEY_free wolfSSL_EC_KEY_free
- #define EC_KEY_up_ref wolfSSL_EC_KEY_up_ref
- #define EC_KEY_dup wolfSSL_EC_KEY_dup
- #define EC_KEY_get0_public_key wolfSSL_EC_KEY_get0_public_key
- #define EC_KEY_get0_group wolfSSL_EC_KEY_get0_group
- #define EC_KEY_set_private_key wolfSSL_EC_KEY_set_private_key
- #define EC_KEY_get0_private_key wolfSSL_EC_KEY_get0_private_key
- #define EC_KEY_new_by_curve_name wolfSSL_EC_KEY_new_by_curve_name
- #define EC_KEY_set_group wolfSSL_EC_KEY_set_group
- #define EC_KEY_generate_key wolfSSL_EC_KEY_generate_key
- #define EC_KEY_set_asn1_flag wolfSSL_EC_KEY_set_asn1_flag
- #define EC_KEY_set_public_key wolfSSL_EC_KEY_set_public_key
- #define EC_KEY_check_key wolfSSL_EC_KEY_check_key
- #define EC_KEY_print_fp wolfSSL_EC_KEY_print_fp
- #define ECDSA_size wolfSSL_ECDSA_size
- #define ECDSA_sign wolfSSL_ECDSA_sign
- #define ECDSA_verify wolfSSL_ECDSA_verify
- #define EC_GROUP_free wolfSSL_EC_GROUP_free
- #define EC_GROUP_set_asn1_flag wolfSSL_EC_GROUP_set_asn1_flag
- #define EC_GROUP_new_by_curve_name wolfSSL_EC_GROUP_new_by_curve_name
- #define EC_GROUP_cmp wolfSSL_EC_GROUP_cmp
- #define EC_GROUP_dup wolfSSL_EC_GROUP_dup
- #define EC_GROUP_get_curve_name wolfSSL_EC_GROUP_get_curve_name
- #define EC_GROUP_get_degree wolfSSL_EC_GROUP_get_degree
- #define EC_GROUP_get_order wolfSSL_EC_GROUP_get_order
- #define EC_GROUP_order_bits wolfSSL_EC_GROUP_order_bits
- #define EC_GROUP_method_of wolfSSL_EC_GROUP_method_of
- #ifndef NO_WOLFSSL_STUB
- #define EC_GROUP_set_point_conversion_form(...)
- #endif
- #define EC_METHOD_get_field_type wolfSSL_EC_METHOD_get_field_type
- #define EC_POINT_new wolfSSL_EC_POINT_new
- #define EC_POINT_free wolfSSL_EC_POINT_free
- #define EC_POINT_get_affine_coordinates_GFp \
- wolfSSL_EC_POINT_get_affine_coordinates_GFp
- #define EC_POINT_get_affine_coordinates \
- wolfSSL_EC_POINT_get_affine_coordinates_GFp
- #define EC_POINT_set_affine_coordinates_GFp \
- wolfSSL_EC_POINT_set_affine_coordinates_GFp
- #define EC_POINT_set_affine_coordinates \
- wolfSSL_EC_POINT_set_affine_coordinates_GFp
- #define EC_POINT_add wolfSSL_EC_POINT_add
- #define EC_POINT_mul wolfSSL_EC_POINT_mul
- #define EC_POINT_invert wolfSSL_EC_POINT_invert
- #define EC_POINT_clear_free wolfSSL_EC_POINT_clear_free
- #define EC_POINT_cmp wolfSSL_EC_POINT_cmp
- #define EC_POINT_copy wolfSSL_EC_POINT_copy
- #define EC_POINT_is_at_infinity wolfSSL_EC_POINT_is_at_infinity
- #define EC_get_builtin_curves wolfSSL_EC_get_builtin_curves
- #define ECPoint_i2d wolfSSL_ECPoint_i2d
- #define ECPoint_d2i wolfSSL_ECPoint_d2i
- #define EC_POINT_point2oct wolfSSL_EC_POINT_point2oct
- #define EC_POINT_oct2point wolfSSL_EC_POINT_oct2point
- #define EC_POINT_point2bn wolfSSL_EC_POINT_point2bn
- #define EC_POINT_is_on_curve wolfSSL_EC_POINT_is_on_curve
- #define o2i_ECPublicKey wolfSSL_o2i_ECPublicKey
- #define i2o_ECPublicKey wolfSSL_i2o_ECPublicKey
- #define i2d_EC_PUBKEY wolfSSL_i2o_ECPublicKey
- #define d2i_ECPrivateKey wolfSSL_d2i_ECPrivateKey
- #define i2d_ECPrivateKey wolfSSL_i2d_ECPrivateKey
- #define EC_KEY_set_conv_form wolfSSL_EC_KEY_set_conv_form
- #define EC_KEY_get_conv_form wolfSSL_EC_KEY_get_conv_form
- #ifndef HAVE_SELFTEST
- #define EC_POINT_point2hex wolfSSL_EC_POINT_point2hex
- #endif
- #define EC_POINT_dump wolfSSL_EC_POINT_dump
- #define EC_get_builtin_curves wolfSSL_EC_get_builtin_curves
- #define EC_curve_nid2nist wolfSSL_EC_curve_nid2nist
- #define EC_curve_nist2nid wolfSSL_EC_curve_nist2nid
- #endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
- #ifdef __cplusplus
- } /* extern "C" */
- #endif
- #endif /* header */
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