X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fec%2Fec_lcl.h;h=afa1efa4bcde4fabffaf31cf868b0bde65b9691a;hb=171edf7ff4f61f8bddbdc7dc9f262cfeecb5ee08;hp=bd83779bf1c529c11e5cfda5965560531cfef1bc;hpb=7793f30e09c104b209206608a20f2088b1b635fd;p=oweals%2Fopenssl.git diff --git a/crypto/ec/ec_lcl.h b/crypto/ec/ec_lcl.h index bd83779bf1..afa1efa4bc 100644 --- a/crypto/ec/ec_lcl.h +++ b/crypto/ec/ec_lcl.h @@ -1,6 +1,9 @@ /* crypto/ec/ec_lcl.h */ +/* + * Originally written by Bodo Moeller for the OpenSSL project. + */ /* ==================================================================== - * Copyright (c) 1998-2001 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 @@ -61,19 +64,6 @@ * The Contribution is licensed pursuant to the OpenSSL open source * license provided above. * - * In addition, Sun covenants to all licensees who provide a reciprocal - * covenant with respect to their own patents if any, not to sue under - * current and future patent claims necessarily infringed by the making, - * using, practicing, selling, offering for sale and/or otherwise - * disposing of the Contribution as delivered hereunder - * (or portions thereof), provided that such covenant shall not apply: - * 1) for code that a licensee deletes from the Contribution; - * 2) separates from the Contribution; or - * 3) for infringements caused by: - * i) the modification of the Contribution or - * ii) the combination of the Contribution with other software or - * devices where such combination causes the infringement. - * * The elliptic curve binary polynomial software is originally written by * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. * @@ -84,12 +74,23 @@ #include #include +#include + +#if defined(__SUNPRO_C) +# if __SUNPRO_C >= 0x520 +# pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) +# 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 */ @@ -117,16 +118,16 @@ struct ec_method_st { 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, EC_POINT_get_affine_coordinates_GFp, - * EC_POINT_set_compressed_coordinates_GFp, EC_POINT_set_Jprojective_coordinates_GF2m, - * EC_POINT_get_Jprojective_coordinates_GF2m, EC_POINT_set_affine_coordinates_GF2m, - * EC_POINT_get_affine_coordinates_GF2m, and EC_POINT_set_compressed_coordinates_GF2m: + * 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)(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)(const EC_GROUP *, const EC_POINT *, + 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 *); @@ -146,11 +147,6 @@ struct ec_method_st { 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_POINTs_mul, EC_POINT_mul, EC_POINT_precompute_mult: */ - 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 *); - /* 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 *); @@ -160,6 +156,13 @@ struct ec_method_st { 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 */ @@ -175,6 +178,13 @@ struct ec_method_st { 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; @@ -189,10 +199,7 @@ struct ec_group_st { unsigned char *seed; /* optional seed for parameters (appears in ASN1) */ size_t seed_len; - void *extra_data; - void *(*extra_data_dup_func)(void *); - void (*extra_data_free_func)(void *); - void (*extra_data_clear_free_func)(void *); + EC_EXTRA_DATA *extra_data; /* linked list */ /* The following members are handled by the method functions, * even if they appear generic */ @@ -203,11 +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 @@ -224,21 +234,41 @@ struct ec_group_st { 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; + int flags; + + EC_EXTRA_DATA *method_data; +} /* EC_KEY */; -/* Basically a 'mixin' for extra data, but available for EC_GROUPs only +/* 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. - * (Currently, we have one slot only, but is is possible to extend this - * 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(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 *); + */ +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 **); @@ -257,18 +287,21 @@ struct ec_point_st { -/* method functions in ec_mult.c */ +/* 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_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_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 *); @@ -280,11 +313,11 @@ 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 *, +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_GFp(const EC_GROUP *, const EC_POINT *, +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_GFp(const EC_GROUP *, EC_POINT *, +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 *); @@ -304,7 +337,7 @@ 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_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); +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 *); @@ -315,22 +348,9 @@ int ec_GFp_mont_field_decode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CT int ec_GFp_mont_field_set_to_one(const EC_GROUP *, BIGNUM *r, BN_CTX *); -/* method functions in ecp_recp.c */ -int ec_GFp_recp_group_init(EC_GROUP *); -int ec_GFp_recp_group_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -void ec_GFp_recp_group_finish(EC_GROUP *); -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 *); - - /* method functions in ecp_nist.c */ -int ec_GFp_nist_group_init(EC_GROUP *); -int ec_GFp_nist_group_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -void ec_GFp_nist_group_finish(EC_GROUP *); -void ec_GFp_nist_group_clear_finish(EC_GROUP *); -int ec_GFp_nist_group_copy(EC_GROUP *, const EC_GROUP *); +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 *); @@ -340,8 +360,8 @@ 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_GF2m(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); -int ec_GF2m_simple_group_get_curve_GF2m(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *); +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 *); @@ -349,11 +369,11 @@ 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_GF2m(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_GF2m(const EC_GROUP *, const EC_POINT *, +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_GF2m(const EC_GROUP *, EC_POINT *, +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 *); @@ -373,6 +393,20 @@ int ec_GF2m_simple_field_div(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const /* method functions in ec2_mult.c */ -int ec_GF2m_mont_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, +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); + +#ifdef EC_NISTP224_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_points_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_mont_precompute_mult(EC_GROUP *group, 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); +#endif