-/* TODO */
/* crypto/ec/ec.h */
/* ====================================================================
* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
#ifndef HEADER_EC_H
#define HEADER_EC_H
+#ifdef OPENSSL_NO_EC
+#error Elliptic curves are disabled.
+#endif
+
#include <openssl/bn.h>
+#include <openssl/symhacks.h>
#ifdef __cplusplus
extern "C" {
#endif
-
typedef enum {
+ /* values as defined in X9.62 (ECDSA) and elsewhere */
POINT_CONVERSION_COMPRESSED = 2,
POINT_CONVERSION_UNCOMPRESSED = 4,
POINT_CONVERSION_HYBRID = 6
-- field definition
-- curve coefficients
-- optional generator with associated information (order, cofactor)
- -- optional Lim/Lee precomputation table
+ -- optional extra data (Lim/Lee precomputation table)
*/
EC_GROUP;
* Otherwise we would declare
* int EC_GROUP_set_curve(EC_GROUP *, .....);
*/
-int EC_GROUP_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
void EC_GROUP_free(EC_GROUP *);
+void EC_GROUP_clear_free(EC_GROUP *);
int EC_GROUP_copy(EC_GROUP *, const EC_GROUP*);
+int EC_GROUP_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+int EC_GROUP_get_curve_GFp(EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
/* EC_GROUP_new_GFp() calls EC_GROUP_new() and EC_GROUP_set_GFp()
* after choosing an appropriate EC_METHOD */
EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
int EC_GROUP_set_generator(EC_GROUP *, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor);
-
-/* TODO: 'get' functions for EC_GROUPs */
-
+EC_POINT *EC_group_get0_generator(EC_GROUP *);
+int EC_GROUP_get_order(EC_GROUP *, BIGNUM *order, BN_CTX *);
+int EC_GROUP_get_cofactor(EC_GROUP *, BIGNUM *cofactor, BN_CTX *);
EC_POINT *EC_POINT_new(const EC_GROUP *);
void EC_POINT_free(EC_POINT *);
+void EC_POINT_clear_free(EC_POINT *);
int EC_POINT_copy(EC_POINT *, const EC_POINT *);
-/* TODO: 'set' and 'get' functions for EC_POINTs */
+int EC_POINT_set_to_infinity(const EC_GROUP *, EC_POINT *);
+int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *,
+ const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *);
+int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
+ BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *);
+int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *,
+ const BIGNUM *x, const BIGNUM *y, BN_CTX *);
+int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
+ BIGNUM *x, BIGNUM *y, BN_CTX *);
+int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *,
+ const BIGNUM *x, int y_bit, BN_CTX *);
size_t EC_POINT_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form,
unsigned char *buf, size_t len, BN_CTX *);
int EC_POINT_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
int EC_POINT_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *);
+int EC_POINT_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
int EC_POINT_is_at_infinity(const EC_GROUP *, const EC_POINT *);
int EC_POINT_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
+int EC_POINT_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
-int EC_POINT_make_affine(const EC_GROUP *, const EC_POINT *, BN_CTX *);
+int EC_POINT_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *);
/* 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_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_POINT_GET_AFFINE_COORDINATES_GFP 105
+#define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128
+#define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129
+#define EC_F_EC_GROUP_COPY 106
+#define EC_F_EC_GROUP_GET_CURVE_GFP 130
+#define EC_F_EC_GROUP_GET_EXTRA_DATA 107
+#define EC_F_EC_GROUP_NEW 108
+#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_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_GFP 116
+#define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117
+#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_NEW 121
+#define EC_F_EC_POINT_OCT2POINT 122
+#define EC_F_EC_POINT_POINT2OCT 123
+#define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124
+#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
/* Reason codes. */
+#define EC_R_BUFFER_TOO_SMALL 100
+#define EC_R_INCOMPATIBLE_OBJECTS 101
+#define EC_R_INVALID_COMPRESSED_POINT 110
+#define EC_R_INVALID_COMPRESSION_BIT 109
+#define EC_R_INVALID_ENCODING 102
+#define EC_R_INVALID_FIELD 103
+#define EC_R_INVALID_FORM 104
+#define EC_R_NO_SUCH_EXTRA_DATA 105
+#define EC_R_POINT_AT_INFINITY 106
+#define EC_R_POINT_IS_NOT_ON_CURVE 107
+#define EC_R_SLOT_FULL 108
#ifdef __cplusplus
}
#endif
#endif
-
projects / openssl.git / blobdiff