diff options
Diffstat (limited to 'openssl/crypto/ec/ec_lcl.h')
| -rw-r--r-- | openssl/crypto/ec/ec_lcl.h | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/openssl/crypto/ec/ec_lcl.h b/openssl/crypto/ec/ec_lcl.h deleted file mode 100644 index 3e2c34b0..00000000 --- a/openssl/crypto/ec/ec_lcl.h +++ /dev/null @@ -1,393 +0,0 @@ -/* crypto/ec/ec_lcl.h */ -/* - * Originally written by Bodo Moeller for the OpenSSL project. - */ -/* ==================================================================== - * Copyright (c) 1998-2003 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 - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ -/* ==================================================================== - * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * - * Portions of the attached software ("Contribution") are developed by - * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. - * - * The Contribution is licensed pursuant to the OpenSSL open source - * license provided above. - * - * The elliptic curve binary polynomial software is originally written by - * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. - * - */ - - -#include <stdlib.h> - -#include <openssl/obj_mac.h> -#include <openssl/ec.h> -#include <openssl/bn.h> - -#if defined(__SUNPRO_C) -# if __SUNPRO_C >= 0x520 -# pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) -# endif -#endif - -/* Structure details are not part of the exported interface, - * so all this may change in future versions. */ - -struct ec_method_st { - /* used by EC_METHOD_get_field_type: */ - int field_type; /* a NID */ - - /* used by EC_GROUP_new, EC_GROUP_free, EC_GROUP_clear_free, EC_GROUP_copy: */ - int (*group_init)(EC_GROUP *); - void (*group_finish)(EC_GROUP *); - void (*group_clear_finish)(EC_GROUP *); - int (*group_copy)(EC_GROUP *, const EC_GROUP *); - - /* used by EC_GROUP_set_curve_GFp, EC_GROUP_get_curve_GFp, */ - /* EC_GROUP_set_curve_GF2m, and EC_GROUP_get_curve_GF2m: */ - int (*group_set_curve)(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); - int (*group_get_curve)(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *); - - /* used by EC_GROUP_get_degree: */ - int (*group_get_degree)(const EC_GROUP *); - - /* used by EC_GROUP_check: */ - int (*group_check_discriminant)(const EC_GROUP *, BN_CTX *); - - /* 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 *); - - /* 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, ..._GF2m, - * EC_POINT_get_affine_coordinates_GFp, ..._GF2m, - * EC_POINT_set_compressed_coordinates_GFp, ..._GF2m: - */ - 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)(const EC_GROUP *, EC_POINT *, - const BIGNUM *x, const BIGNUM *y, BN_CTX *); - int (*point_get_affine_coordinates)(const EC_GROUP *, const EC_POINT *, - BIGNUM *x, BIGNUM *y, BN_CTX *); - int (*point_set_compressed_coordinates)(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, - unsigned char *buf, size_t len, BN_CTX *); - int (*oct2point)(const EC_GROUP *, EC_POINT *, - const unsigned char *buf, size_t len, BN_CTX *); - - /* 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_cmp: */ - int (*is_at_infinity)(const EC_GROUP *, const EC_POINT *); - int (*is_on_curve)(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 *); - - /* used by EC_POINTs_mul, EC_POINT_mul, EC_POINT_precompute_mult, EC_POINT_have_precompute_mult - * (default implementations are used if the 'mul' pointer is 0): */ - int (*mul)(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, - size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *); - int (*precompute_mult)(EC_GROUP *group, BN_CTX *); - int (*have_precompute_mult)(const EC_GROUP *group); - - - /* internal functions */ - - /* 'field_mul', 'field_sqr', and 'field_div' can be used by 'add' and 'dbl' so that - * the same implementations of point operations can be used with different - * optimized implementations of expensive field operations: */ - int (*field_mul)(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *); - int (*field_sqr)(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *); - int (*field_div)(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *); - - 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 */; - -typedef struct ec_extra_data_st { - struct ec_extra_data_st *next; - void *data; - void *(*dup_func)(void *); - void (*free_func)(void *); - void (*clear_free_func)(void *); -} EC_EXTRA_DATA; /* used in EC_GROUP */ - -struct ec_group_st { - const EC_METHOD *meth; - - EC_POINT *generator; /* optional */ - BIGNUM order, cofactor; - - int curve_name;/* optional NID for named curve */ - int asn1_flag; /* flag to control the asn1 encoding */ - point_conversion_form_t asn1_form; - - unsigned char *seed; /* optional seed for parameters (appears in ASN1) */ - size_t seed_len; - - EC_EXTRA_DATA *extra_data; /* linked list */ - - /* The following members are handled by the method functions, - * even if they appear generic */ - - BIGNUM field; /* Field specification. - * For curves over GF(p), this is the modulus; - * for curves over GF(2^m), this is the - * irreducible polynomial defining the field. - */ - - 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 - * 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. - * For characteristic 2, the curve is defined by - * an equation of the form - * y^2 + x*y = x^3 + a*x^2 + b. - */ - - int a_is_minus3; /* enable optimized point arithmetics for special case */ - - void *field_data1; /* method-specific (e.g., Montgomery structure) */ - void *field_data2; /* method-specific */ - int (*field_mod_func)(BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *); /* method-specific */ -} /* EC_GROUP */; - -struct ec_key_st { - int version; - - EC_GROUP *group; - - EC_POINT *pub_key; - BIGNUM *priv_key; - - unsigned int enc_flag; - point_conversion_form_t conv_form; - - int references; - - EC_EXTRA_DATA *method_data; -} /* EC_KEY */; - -/* Basically a 'mixin' for extra data, but available for EC_GROUPs/EC_KEYs only - * (with visibility limited to 'package' level for now). - * We use the function pointers as index for retrieval; this obviates - * global ex_data-style index tables. - */ -int EC_EX_DATA_set_data(EC_EXTRA_DATA **, void *data, - void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); -void *EC_EX_DATA_get_data(const EC_EXTRA_DATA *, - void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); -void EC_EX_DATA_free_data(EC_EXTRA_DATA **, - void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); -void EC_EX_DATA_clear_free_data(EC_EXTRA_DATA **, - void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); -void EC_EX_DATA_free_all_data(EC_EXTRA_DATA **); -void EC_EX_DATA_clear_free_all_data(EC_EXTRA_DATA **); - - - -struct ec_point_st { - const EC_METHOD *meth; - - /* All members except 'meth' are handled by the method functions, - * even if they appear generic */ - - BIGNUM X; - BIGNUM Y; - BIGNUM Z; /* Jacobian projective coordinates: - * (X, Y, Z) represents (X/Z^2, Y/Z^3) if Z != 0 */ - int Z_is_one; /* enable optimized point arithmetics for special case */ -} /* EC_POINT */; - - - -/* method functions in ec_mult.c - * (ec_lib.c uses these as defaults if group->method->mul is 0) */ -int ec_wNAF_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_wNAF_precompute_mult(EC_GROUP *group, BN_CTX *); -int ec_wNAF_have_precompute_mult(const EC_GROUP *group); - - -/* method functions in ecp_smpl.c */ -int ec_GFp_simple_group_init(EC_GROUP *); -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(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -int ec_GFp_simple_group_get_curve(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *); -int ec_GFp_simple_group_get_degree(const EC_GROUP *); -int ec_GFp_simple_group_check_discriminant(const EC_GROUP *, 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 *); -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(const EC_GROUP *, EC_POINT *, - const BIGNUM *x, const BIGNUM *y, BN_CTX *); -int ec_GFp_simple_point_get_affine_coordinates(const EC_GROUP *, const EC_POINT *, - BIGNUM *x, BIGNUM *y, BN_CTX *); -int ec_GFp_simple_set_compressed_coordinates(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_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 *); - - -/* method functions in ecp_mont.c */ -int ec_GFp_mont_group_init(EC_GROUP *); -int ec_GFp_mont_group_set_curve(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -void ec_GFp_mont_group_finish(EC_GROUP *); -void ec_GFp_mont_group_clear_finish(EC_GROUP *); -int ec_GFp_mont_group_copy(EC_GROUP *, const EC_GROUP *); -int ec_GFp_mont_field_mul(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -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_nist.c */ -int ec_GFp_nist_group_copy(EC_GROUP *dest, const EC_GROUP *src); -int ec_GFp_nist_group_set_curve(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -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 *); - - -/* method functions in ec2_smpl.c */ -int ec_GF2m_simple_group_init(EC_GROUP *); -void ec_GF2m_simple_group_finish(EC_GROUP *); -void ec_GF2m_simple_group_clear_finish(EC_GROUP *); -int ec_GF2m_simple_group_copy(EC_GROUP *, const EC_GROUP *); -int ec_GF2m_simple_group_set_curve(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -int ec_GF2m_simple_group_get_curve(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *); -int ec_GF2m_simple_group_get_degree(const EC_GROUP *); -int ec_GF2m_simple_group_check_discriminant(const EC_GROUP *, BN_CTX *); -int ec_GF2m_simple_point_init(EC_POINT *); -void ec_GF2m_simple_point_finish(EC_POINT *); -void ec_GF2m_simple_point_clear_finish(EC_POINT *); -int ec_GF2m_simple_point_copy(EC_POINT *, const EC_POINT *); -int ec_GF2m_simple_point_set_to_infinity(const EC_GROUP *, EC_POINT *); -int ec_GF2m_simple_point_set_affine_coordinates(const EC_GROUP *, EC_POINT *, - const BIGNUM *x, const BIGNUM *y, BN_CTX *); -int ec_GF2m_simple_point_get_affine_coordinates(const EC_GROUP *, const EC_POINT *, - BIGNUM *x, BIGNUM *y, BN_CTX *); -int ec_GF2m_simple_set_compressed_coordinates(const EC_GROUP *, EC_POINT *, - const BIGNUM *x, int y_bit, BN_CTX *); -size_t ec_GF2m_simple_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form, - unsigned char *buf, size_t len, BN_CTX *); -int ec_GF2m_simple_oct2point(const EC_GROUP *, EC_POINT *, - const unsigned char *buf, size_t len, BN_CTX *); -int ec_GF2m_simple_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *); -int ec_GF2m_simple_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *); -int ec_GF2m_simple_invert(const EC_GROUP *, EC_POINT *, BN_CTX *); -int ec_GF2m_simple_is_at_infinity(const EC_GROUP *, const EC_POINT *); -int ec_GF2m_simple_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *); -int ec_GF2m_simple_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *); -int ec_GF2m_simple_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *); -int ec_GF2m_simple_points_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *); -int ec_GF2m_simple_field_mul(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -int ec_GF2m_simple_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *); -int ec_GF2m_simple_field_div(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *); - - -/* 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); |