X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fec%2Fec_lcl.h;h=cc4cf277550dcba2f265465b788a2e93de777910;hb=7ae551fd03b447e41d3a74e803a711350383ebc4;hp=231e8ca17948e8d7c0d9f89d5058601578ef9f55;hpb=60428dbf0aa0dbacb2e18f7cf846af8d5ebafc82;p=oweals%2Fopenssl.git

diff --git a/crypto/ec/ec_lcl.h b/crypto/ec/ec_lcl.h
index 231e8ca179..cc4cf27755 100644
--- a/crypto/ec/ec_lcl.h
+++ b/crypto/ec/ec_lcl.h
@@ -63,28 +63,47 @@
  * so all this may change in future versions. */
 
 struct ec_method_st {
-	/* used by EC_GROUP_new, EC_GROUP_set_curve_GFp, EC_GROUP_free, EC_GROUP_copy: */
+	/* used by EC_GROUP_new, EC_GROUP_free, EC_GROUP_clear_free, EC_GROUP_copy: */
 	int (*group_init)(EC_GROUP *);
-	/* int (*group_set)(EC_GROUP *, .....); */
-	int (*group_set_curve_GFp)(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 	void (*group_finish)(EC_GROUP *);
 	void (*group_clear_finish)(EC_GROUP *);
 	int (*group_copy)(EC_GROUP *, const EC_GROUP *);
 
-	/* used by EC_GROUP_set_generator: */
+	/* used by EC_GROUP_set_curve_GFp and EC_GROUP_get_curve_GFp: */
+	int (*group_set_curve_GFp)(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+	int (*group_get_curve_GFp)(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
+
+	/* used by EC_GROUP_set_generator, EC_GROUP_get0_generator,
+	 * EC_GROUP_get_order, EC_GROUP_get_cofactor:
+	 */
 	int (*group_set_generator)(EC_GROUP *, const EC_POINT *generator,
 	        const BIGNUM *order, const BIGNUM *cofactor);
-	
-	/* TODO: 'set' and 'get' functions for EC_GROUPs */
+	EC_POINT *(*group_get0_generator)(const EC_GROUP *);
+	int (*group_get_order)(const EC_GROUP *, BIGNUM *order, BN_CTX *);
+	int (*group_get_cofactor)(const EC_GROUP *, BIGNUM *cofactor, BN_CTX *);
 
-
-	/* used by EC_POINT_new, EC_POINT_free, EC_POINT_copy: */
+	/* used by EC_POINT_new, EC_POINT_free, EC_POINT_clear_free, EC_POINT_copy: */
 	int (*point_init)(EC_POINT *);
 	void (*point_finish)(EC_POINT *);
 	void (*point_clear_finish)(EC_POINT *);
 	int (*point_copy)(EC_POINT *, const EC_POINT *);
 
-	/* TODO: 'set' and 'get' functions for EC_POINTs */
+	/* used by EC_POINT_set_to_infinity,
+	 * EC_POINT_set_Jprojective_coordinates_GFp, EC_POINT_get_Jprojective_coordinates_GFp,
+	 * EC_POINT_set_affine_coordinates_GFp, EC_POINT_get_affine_coordinates_GFp,
+	 * EC_POINT_set_compressed_coordinates_GFp:
+	 */
+	int (*point_set_to_infinity)(const EC_GROUP *, EC_POINT *);
+	int (*point_set_Jprojective_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
+		const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *);
+	int (*point_get_Jprojective_coordinates_GFp)(const EC_GROUP *, const EC_POINT *,
+		BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *);
+	int (*point_set_affine_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
+		const BIGNUM *x, const BIGNUM *y, BN_CTX *);
+	int (*point_get_affine_coordinates_GFp)(const EC_GROUP *, const EC_POINT *,
+		BIGNUM *x, BIGNUM *y, BN_CTX *);
+	int (*point_set_compressed_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
+		const BIGNUM *x, int y_bit, BN_CTX *);
 
 	/* used by EC_POINT_point2oct, EC_POINT_oct2point: */
 	size_t (*point2oct)(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form,
@@ -92,14 +111,19 @@ struct ec_method_st {
 	int (*oct2point)(const EC_GROUP *, EC_POINT *,
 	        const unsigned char *buf, size_t len, BN_CTX *);
 
-	/* used by EC_POINT_add, EC_POINT_dbl: */
+	/* used by EC_POINT_add, EC_POINT_dbl, ECP_POINT_invert: */
 	int (*add)(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
 	int (*dbl)(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *);
+	int (*invert)(const EC_GROUP *, EC_POINT *, BN_CTX *);
 
-	/* used by EC_POINT_is_at_infinity, EC_POINT_is_on_curve, EC_POINT_make_affine */
+	/* used by EC_POINT_is_at_infinity, EC_POINT_is_on_curve, EC_POINT_cmp: */
 	int (*is_at_infinity)(const EC_GROUP *, const EC_POINT *);
 	int (*is_on_curve)(const EC_GROUP *, const EC_POINT *, BN_CTX *);
-	int (*make_affine)(const EC_GROUP *, const EC_POINT *, BN_CTX *);
+	int (*point_cmp)(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
+
+	/* used by EC_POINT_make_affine, EC_POINTs_make_affine: */
+	int (*make_affine)(const EC_GROUP *, EC_POINT *, BN_CTX *);
+	int (*points_make_affine)(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *);
 
 
 	/* internal functions */
@@ -112,6 +136,7 @@ struct ec_method_st {
 
 	int (*field_encode)(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *); /* e.g. to Montgomery */
 	int (*field_decode)(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *); /* e.g. from Montgomery */
+	int (*field_set_to_one)(const EC_GROUP *, BIGNUM *r, BN_CTX *);
 } /* EC_METHOD */;
 
 
@@ -134,14 +159,15 @@ struct ec_group_st {
 	              * or abused for all kinds of fields, not just GF(p).)
 	              * For characteristic  > 3,  the curve is defined
 	              * by a Weierstrass equation of the form
-	              *     Y^2 = X^3 + a*X + b.
+	              *     y^2 = x^3 + a*x + b.
 	              */
 	int a_is_minus3; /* enable optimized point arithmetics for special case */
 
 	EC_POINT *generator; /* optional */
 	BIGNUM order, cofactor;
 
-	void *field_data; /* method-specific (e.g., Montgomery structure) */
+	void *field_data1; /* method-specific (e.g., Montgomery structure) */
+	void *field_data2; /* method-specific */
 } /* EC_GROUP */;
 
 
@@ -153,7 +179,7 @@ struct ec_group_st {
  * if necessary.) */
 int EC_GROUP_set_extra_data(EC_GROUP *, void *extra_data, void *(*extra_data_dup_func)(void *),
 	void (*extra_data_free_func)(void *), void (*extra_data_clear_free_func)(void *));
-void *EC_GROUP_get_extra_data(EC_GROUP *, void *(*extra_data_dup_func)(void *),
+void *EC_GROUP_get_extra_data(const EC_GROUP *, void *(*extra_data_dup_func)(void *),
 	void (*extra_data_free_func)(void *), void (*extra_data_clear_free_func)(void *));
 void EC_GROUP_free_extra_data(EC_GROUP *);
 void EC_GROUP_clear_free_extra_data(EC_GROUP *);
@@ -177,27 +203,43 @@ struct ec_point_st {
 
 /* method functions in ecp_smpl.c */
 int ec_GFp_simple_group_init(EC_GROUP *);
-int ec_GFp_simple_group_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 void ec_GFp_simple_group_finish(EC_GROUP *);
 void ec_GFp_simple_group_clear_finish(EC_GROUP *);
 int ec_GFp_simple_group_copy(EC_GROUP *, const EC_GROUP *);
+int ec_GFp_simple_group_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+int ec_GFp_simple_group_get_curve_GFp(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
 int ec_GFp_simple_group_set_generator(EC_GROUP *, const EC_POINT *generator,
 	const BIGNUM *order, const BIGNUM *cofactor);
-/* TODO: 'set' and 'get' functions for EC_GROUPs */
+EC_POINT *ec_GFp_simple_group_get0_generator(const EC_GROUP *);
+int ec_GFp_simple_group_get_order(const EC_GROUP *, BIGNUM *order, BN_CTX *);
+int ec_GFp_simple_group_get_cofactor(const EC_GROUP *, BIGNUM *cofactor, BN_CTX *);
 int ec_GFp_simple_point_init(EC_POINT *);
 void ec_GFp_simple_point_finish(EC_POINT *);
 void ec_GFp_simple_point_clear_finish(EC_POINT *);
 int ec_GFp_simple_point_copy(EC_POINT *, const EC_POINT *);
-/* TODO: 'set' and 'get' functions for EC_POINTs */
+int ec_GFp_simple_point_set_to_infinity(const EC_GROUP *, EC_POINT *);
+int ec_GFp_simple_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *,
+	const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *);
+int ec_GFp_simple_get_Jprojective_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
+	BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *);
+int ec_GFp_simple_point_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *,
+	const BIGNUM *x, const BIGNUM *y, BN_CTX *);
+int ec_GFp_simple_point_get_affine_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
+	BIGNUM *x, BIGNUM *y, BN_CTX *);
+int ec_GFp_simple_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *,
+	const BIGNUM *x, int y_bit, BN_CTX *);
 size_t ec_GFp_simple_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form,
 	unsigned char *buf, size_t len, BN_CTX *);
 int ec_GFp_simple_oct2point(const EC_GROUP *, EC_POINT *,
 	const unsigned char *buf, size_t len, BN_CTX *);
 int ec_GFp_simple_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
 int ec_GFp_simple_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *);
+int ec_GFp_simple_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
 int ec_GFp_simple_is_at_infinity(const EC_GROUP *, const EC_POINT *);
 int ec_GFp_simple_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
-int ec_GFp_simple_make_affine(const EC_GROUP *, const EC_POINT *, BN_CTX *);
+int ec_GFp_simple_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
+int ec_GFp_simple_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *);
+int ec_GFp_simple_points_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *);
 int ec_GFp_simple_field_mul(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 int ec_GFp_simple_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
 
@@ -212,6 +254,7 @@ int ec_GFp_mont_field_mul(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BI
 int ec_GFp_mont_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
 int ec_GFp_mont_field_encode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
 int ec_GFp_mont_field_decode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+int ec_GFp_mont_field_set_to_one(const EC_GROUP *, BIGNUM *r, BN_CTX *);
 
 
 /* method functions in ecp_recp.c */
@@ -222,8 +265,6 @@ void ec_GFp_recp_group_clear_finish(EC_GROUP *);
 int ec_GFp_recp_group_copy(EC_GROUP *, const EC_GROUP *);
 int ec_GFp_recp_field_mul(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 int ec_GFp_recp_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
-int ec_GFp_recp_field_encode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
-int ec_GFp_recp_field_decode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
 
 
 /* method functions in ecp_nist.c */
@@ -234,5 +275,3 @@ void ec_GFp_nist_group_clear_finish(EC_GROUP *);
 int ec_GFp_nist_group_copy(EC_GROUP *, const EC_GROUP *);
 int ec_GFp_nist_field_mul(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 int ec_GFp_nist_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
-int ec_GFp_nist_field_encode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
-int ec_GFp_nist_field_decode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);