X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fec%2Fec_lcl.h;h=da7967df38a36b670b8c74675b6e9b87b8280222;hb=fda29b6db038716e4409068798646c6db042e552;hp=fdd7aa275563afc7e5e170fc0d65f02ff26d1e23;hpb=9dd84053419aa220b5e66a5f9fcf809dbd6d9369;p=oweals%2Fopenssl.git

diff --git a/crypto/ec/ec_lcl.h b/crypto/ec/ec_lcl.h
index fdd7aa2755..da7967df38 100644
--- a/crypto/ec/ec_lcl.h
+++ b/crypto/ec/ec_lcl.h
@@ -3,7 +3,7 @@
  * Originally written by Bodo Moeller for the OpenSSL project.
  */
 /* ====================================================================
- * Copyright (c) 1998-2003 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1998-2010 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
@@ -82,10 +82,15 @@
 # endif
 #endif
 
+/* Use default functions for poin2oct, oct2point and compressed coordinates */
+#define EC_FLAGS_DEFAULT_OCT	0x1
+
 /* Structure details are not part of the exported interface,
  * so all this may change in future versions. */
 
 struct ec_method_st {
+	/* Various method flags */
+	int flags;
 	/* used by EC_METHOD_get_field_type: */
 	int field_type; /* a NID */
 
@@ -205,11 +210,14 @@ struct ec_group_st {
 	               * irreducible polynomial defining the field.
 	               */
 
-	unsigned int poly[5]; /* Field specification for curves over GF(2^m).
-	                       * The irreducible f(t) is then of the form:
-	                       *     t^poly[0] + t^poly[1] + ... + t^poly[k]
-	                       * where m = poly[0] > poly[1] > ... > poly[k] = 0.
-	                       */
+	int poly[6]; /* Field specification for curves over GF(2^m).
+	              * The irreducible f(t) is then of the form:
+	              *     t^poly[0] + t^poly[1] + ... + t^poly[k]
+	              * where m = poly[0] > poly[1] > ... > poly[k] = 0.
+	              * The array is terminated with poly[k+1]=-1.
+	              * All elliptic curve irreducibles have at most 5
+	              * non-zero terms.
+	              */
 
 	BIGNUM a, b; /* Curve coefficients.
 	              * (Here the assumption is that BIGNUMs can be used
@@ -241,6 +249,7 @@ struct ec_key_st {
 	point_conversion_form_t conv_form;
 
 	int 	references;
+	int	flags;
 
 	EC_EXTRA_DATA *method_data;
 } /* EC_KEY */;
@@ -388,3 +397,50 @@ int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
 	size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
 int ec_GF2m_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
 int ec_GF2m_have_precompute_mult(const EC_GROUP *group);
+
+/* method functions in ec2_mult.c */
+int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
+	size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
+int ec_GF2m_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
+int ec_GF2m_have_precompute_mult(const EC_GROUP *group);
+
+#ifndef OPENSSL_EC_NISTP_64_GCC_128
+/* method functions in ecp_nistp224.c */
+int ec_GFp_nistp224_group_init(EC_GROUP *group);
+int ec_GFp_nistp224_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *n, BN_CTX *);
+int ec_GFp_nistp224_point_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *point, BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
+int ec_GFp_nistp224_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
+int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx);
+int ec_GFp_nistp224_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
+int ec_GFp_nistp224_have_precompute_mult(const EC_GROUP *group);
+
+/* method functions in ecp_nistp256.c */
+int ec_GFp_nistp256_group_init(EC_GROUP *group);
+int ec_GFp_nistp256_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *n, BN_CTX *);
+int ec_GFp_nistp256_point_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *point, BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
+int ec_GFp_nistp256_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
+int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx);
+int ec_GFp_nistp256_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
+int ec_GFp_nistp256_have_precompute_mult(const EC_GROUP *group);
+
+/* method functions in ecp_nistp521.c */
+int ec_GFp_nistp521_group_init(EC_GROUP *group);
+int ec_GFp_nistp521_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *n, BN_CTX *);
+int ec_GFp_nistp521_point_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *point, BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
+int ec_GFp_nistp521_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
+int ec_GFp_nistp521_points_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx);
+int ec_GFp_nistp521_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
+int ec_GFp_nistp521_have_precompute_mult(const EC_GROUP *group);
+
+/* utility functions in ecp_nistputil.c */
+void ec_GFp_nistp_points_make_affine_internal(size_t num, void *point_array,
+	size_t felem_size, void *tmp_felems,
+	void (*felem_one)(void *out),
+	int (*felem_is_zero)(const void *in),
+	void (*felem_assign)(void *out, const void *in),
+	void (*felem_square)(void *out, const void *in),
+	void (*felem_mul)(void *out, const void *in1, const void *in2),
+	void (*felem_inv)(void *out, const void *in),
+	void (*felem_contract)(void *out, const void *in));
+void ec_GFp_nistp_recode_scalar_bits(unsigned char *sign, unsigned char *digit, unsigned char in);
+#endif