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author | marha <marha@users.sourceforge.net> | 2015-02-22 14:43:31 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2015-02-22 14:43:31 +0100 |
commit | c9aad1ae6227c434d480d1d3aa8eae3c3c910c18 (patch) | |
tree | 94b917df998c3d547e191b3b9c58bbffc616470e /openssl/crypto/ec/ecp_mont.c | |
parent | f1c2db43dcf35d2cf4715390bd2391c28e42a8c2 (diff) | |
download | vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.tar.gz vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.tar.bz2 vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.zip |
Upgraded to openssl-1.0.2
Diffstat (limited to 'openssl/crypto/ec/ecp_mont.c')
-rw-r--r-- | openssl/crypto/ec/ecp_mont.c | 457 |
1 files changed, 221 insertions, 236 deletions
diff --git a/openssl/crypto/ec/ecp_mont.c b/openssl/crypto/ec/ecp_mont.c index 3c5ec1965..b2de7faea 100644 --- a/openssl/crypto/ec/ecp_mont.c +++ b/openssl/crypto/ec/ecp_mont.c @@ -10,7 +10,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -64,260 +64,245 @@ #include <openssl/err.h> #ifdef OPENSSL_FIPS -#include <openssl/fips.h> +# include <openssl/fips.h> #endif #include "ec_lcl.h" - const EC_METHOD *EC_GFp_mont_method(void) - { - static const EC_METHOD ret = { - EC_FLAGS_DEFAULT_OCT, - NID_X9_62_prime_field, - ec_GFp_mont_group_init, - ec_GFp_mont_group_finish, - ec_GFp_mont_group_clear_finish, - ec_GFp_mont_group_copy, - ec_GFp_mont_group_set_curve, - ec_GFp_simple_group_get_curve, - ec_GFp_simple_group_get_degree, - ec_GFp_simple_group_check_discriminant, - ec_GFp_simple_point_init, - ec_GFp_simple_point_finish, - ec_GFp_simple_point_clear_finish, - ec_GFp_simple_point_copy, - ec_GFp_simple_point_set_to_infinity, - ec_GFp_simple_set_Jprojective_coordinates_GFp, - ec_GFp_simple_get_Jprojective_coordinates_GFp, - ec_GFp_simple_point_set_affine_coordinates, - ec_GFp_simple_point_get_affine_coordinates, - 0,0,0, - ec_GFp_simple_add, - ec_GFp_simple_dbl, - ec_GFp_simple_invert, - ec_GFp_simple_is_at_infinity, - ec_GFp_simple_is_on_curve, - ec_GFp_simple_cmp, - ec_GFp_simple_make_affine, - ec_GFp_simple_points_make_affine, - 0 /* mul */, - 0 /* precompute_mult */, - 0 /* have_precompute_mult */, - ec_GFp_mont_field_mul, - ec_GFp_mont_field_sqr, - 0 /* field_div */, - ec_GFp_mont_field_encode, - ec_GFp_mont_field_decode, - ec_GFp_mont_field_set_to_one }; +{ + static const EC_METHOD ret = { + EC_FLAGS_DEFAULT_OCT, + NID_X9_62_prime_field, + ec_GFp_mont_group_init, + ec_GFp_mont_group_finish, + ec_GFp_mont_group_clear_finish, + ec_GFp_mont_group_copy, + ec_GFp_mont_group_set_curve, + ec_GFp_simple_group_get_curve, + ec_GFp_simple_group_get_degree, + ec_GFp_simple_group_check_discriminant, + ec_GFp_simple_point_init, + ec_GFp_simple_point_finish, + ec_GFp_simple_point_clear_finish, + ec_GFp_simple_point_copy, + ec_GFp_simple_point_set_to_infinity, + ec_GFp_simple_set_Jprojective_coordinates_GFp, + ec_GFp_simple_get_Jprojective_coordinates_GFp, + ec_GFp_simple_point_set_affine_coordinates, + ec_GFp_simple_point_get_affine_coordinates, + 0, 0, 0, + ec_GFp_simple_add, + ec_GFp_simple_dbl, + ec_GFp_simple_invert, + ec_GFp_simple_is_at_infinity, + ec_GFp_simple_is_on_curve, + ec_GFp_simple_cmp, + ec_GFp_simple_make_affine, + ec_GFp_simple_points_make_affine, + 0 /* mul */ , + 0 /* precompute_mult */ , + 0 /* have_precompute_mult */ , + ec_GFp_mont_field_mul, + ec_GFp_mont_field_sqr, + 0 /* field_div */ , + ec_GFp_mont_field_encode, + ec_GFp_mont_field_decode, + ec_GFp_mont_field_set_to_one + }; #ifdef OPENSSL_FIPS - if (FIPS_mode()) - return fips_ec_gfp_mont_method(); + if (FIPS_mode()) + return fips_ec_gfp_mont_method(); #endif - return &ret; - } - + return &ret; +} int ec_GFp_mont_group_init(EC_GROUP *group) - { - int ok; - - ok = ec_GFp_simple_group_init(group); - group->field_data1 = NULL; - group->field_data2 = NULL; - return ok; - } +{ + int ok; + ok = ec_GFp_simple_group_init(group); + group->field_data1 = NULL; + group->field_data2 = NULL; + return ok; +} void ec_GFp_mont_group_finish(EC_GROUP *group) - { - if (group->field_data1 != NULL) - { - BN_MONT_CTX_free(group->field_data1); - group->field_data1 = NULL; - } - if (group->field_data2 != NULL) - { - BN_free(group->field_data2); - group->field_data2 = NULL; - } - ec_GFp_simple_group_finish(group); - } - +{ + if (group->field_data1 != NULL) { + BN_MONT_CTX_free(group->field_data1); + group->field_data1 = NULL; + } + if (group->field_data2 != NULL) { + BN_free(group->field_data2); + group->field_data2 = NULL; + } + ec_GFp_simple_group_finish(group); +} void ec_GFp_mont_group_clear_finish(EC_GROUP *group) - { - if (group->field_data1 != NULL) - { - BN_MONT_CTX_free(group->field_data1); - group->field_data1 = NULL; - } - if (group->field_data2 != NULL) - { - BN_clear_free(group->field_data2); - group->field_data2 = NULL; - } - ec_GFp_simple_group_clear_finish(group); - } - +{ + if (group->field_data1 != NULL) { + BN_MONT_CTX_free(group->field_data1); + group->field_data1 = NULL; + } + if (group->field_data2 != NULL) { + BN_clear_free(group->field_data2); + group->field_data2 = NULL; + } + ec_GFp_simple_group_clear_finish(group); +} int ec_GFp_mont_group_copy(EC_GROUP *dest, const EC_GROUP *src) - { - if (dest->field_data1 != NULL) - { - BN_MONT_CTX_free(dest->field_data1); - dest->field_data1 = NULL; - } - if (dest->field_data2 != NULL) - { - BN_clear_free(dest->field_data2); - dest->field_data2 = NULL; - } - - if (!ec_GFp_simple_group_copy(dest, src)) return 0; - - if (src->field_data1 != NULL) - { - dest->field_data1 = BN_MONT_CTX_new(); - if (dest->field_data1 == NULL) return 0; - if (!BN_MONT_CTX_copy(dest->field_data1, src->field_data1)) goto err; - } - if (src->field_data2 != NULL) - { - dest->field_data2 = BN_dup(src->field_data2); - if (dest->field_data2 == NULL) goto err; - } - - return 1; +{ + if (dest->field_data1 != NULL) { + BN_MONT_CTX_free(dest->field_data1); + dest->field_data1 = NULL; + } + if (dest->field_data2 != NULL) { + BN_clear_free(dest->field_data2); + dest->field_data2 = NULL; + } + + if (!ec_GFp_simple_group_copy(dest, src)) + return 0; + + if (src->field_data1 != NULL) { + dest->field_data1 = BN_MONT_CTX_new(); + if (dest->field_data1 == NULL) + return 0; + if (!BN_MONT_CTX_copy(dest->field_data1, src->field_data1)) + goto err; + } + if (src->field_data2 != NULL) { + dest->field_data2 = BN_dup(src->field_data2); + if (dest->field_data2 == NULL) + goto err; + } + + return 1; err: - if (dest->field_data1 != NULL) - { - BN_MONT_CTX_free(dest->field_data1); - dest->field_data1 = NULL; - } - return 0; - } - - -int ec_GFp_mont_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) - { - BN_CTX *new_ctx = NULL; - BN_MONT_CTX *mont = NULL; - BIGNUM *one = NULL; - int ret = 0; - - if (group->field_data1 != NULL) - { - BN_MONT_CTX_free(group->field_data1); - group->field_data1 = NULL; - } - if (group->field_data2 != NULL) - { - BN_free(group->field_data2); - group->field_data2 = NULL; - } - - if (ctx == NULL) - { - ctx = new_ctx = BN_CTX_new(); - if (ctx == NULL) - return 0; - } - - mont = BN_MONT_CTX_new(); - if (mont == NULL) goto err; - if (!BN_MONT_CTX_set(mont, p, ctx)) - { - ECerr(EC_F_EC_GFP_MONT_GROUP_SET_CURVE, ERR_R_BN_LIB); - goto err; - } - one = BN_new(); - if (one == NULL) goto err; - if (!BN_to_montgomery(one, BN_value_one(), mont, ctx)) goto err; - - group->field_data1 = mont; - mont = NULL; - group->field_data2 = one; - one = NULL; - - ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx); - - if (!ret) - { - BN_MONT_CTX_free(group->field_data1); - group->field_data1 = NULL; - BN_free(group->field_data2); - group->field_data2 = NULL; - } + if (dest->field_data1 != NULL) { + BN_MONT_CTX_free(dest->field_data1); + dest->field_data1 = NULL; + } + return 0; +} + +int ec_GFp_mont_group_set_curve(EC_GROUP *group, const BIGNUM *p, + const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) +{ + BN_CTX *new_ctx = NULL; + BN_MONT_CTX *mont = NULL; + BIGNUM *one = NULL; + int ret = 0; + + if (group->field_data1 != NULL) { + BN_MONT_CTX_free(group->field_data1); + group->field_data1 = NULL; + } + if (group->field_data2 != NULL) { + BN_free(group->field_data2); + group->field_data2 = NULL; + } + + if (ctx == NULL) { + ctx = new_ctx = BN_CTX_new(); + if (ctx == NULL) + return 0; + } + + mont = BN_MONT_CTX_new(); + if (mont == NULL) + goto err; + if (!BN_MONT_CTX_set(mont, p, ctx)) { + ECerr(EC_F_EC_GFP_MONT_GROUP_SET_CURVE, ERR_R_BN_LIB); + goto err; + } + one = BN_new(); + if (one == NULL) + goto err; + if (!BN_to_montgomery(one, BN_value_one(), mont, ctx)) + goto err; + + group->field_data1 = mont; + mont = NULL; + group->field_data2 = one; + one = NULL; + + ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx); + + if (!ret) { + BN_MONT_CTX_free(group->field_data1); + group->field_data1 = NULL; + BN_free(group->field_data2); + group->field_data2 = NULL; + } err: - if (new_ctx != NULL) - BN_CTX_free(new_ctx); - if (mont != NULL) - BN_MONT_CTX_free(mont); - return ret; - } - - -int ec_GFp_mont_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) - { - if (group->field_data1 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_MUL, EC_R_NOT_INITIALIZED); - return 0; - } - - return BN_mod_mul_montgomery(r, a, b, group->field_data1, ctx); - } - - -int ec_GFp_mont_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx) - { - if (group->field_data1 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_SQR, EC_R_NOT_INITIALIZED); - return 0; - } - - return BN_mod_mul_montgomery(r, a, a, group->field_data1, ctx); - } - - -int ec_GFp_mont_field_encode(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx) - { - if (group->field_data1 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_ENCODE, EC_R_NOT_INITIALIZED); - return 0; - } - - return BN_to_montgomery(r, a, (BN_MONT_CTX *)group->field_data1, ctx); - } - - -int ec_GFp_mont_field_decode(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx) - { - if (group->field_data1 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_DECODE, EC_R_NOT_INITIALIZED); - return 0; - } - - return BN_from_montgomery(r, a, group->field_data1, ctx); - } - - -int ec_GFp_mont_field_set_to_one(const EC_GROUP *group, BIGNUM *r, BN_CTX *ctx) - { - if (group->field_data2 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE, EC_R_NOT_INITIALIZED); - return 0; - } - - if (!BN_copy(r, group->field_data2)) return 0; - return 1; - } + if (new_ctx != NULL) + BN_CTX_free(new_ctx); + if (mont != NULL) + BN_MONT_CTX_free(mont); + return ret; +} + +int ec_GFp_mont_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, + const BIGNUM *b, BN_CTX *ctx) +{ + if (group->field_data1 == NULL) { + ECerr(EC_F_EC_GFP_MONT_FIELD_MUL, EC_R_NOT_INITIALIZED); + return 0; + } + + return BN_mod_mul_montgomery(r, a, b, group->field_data1, ctx); +} + +int ec_GFp_mont_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, + BN_CTX *ctx) +{ + if (group->field_data1 == NULL) { + ECerr(EC_F_EC_GFP_MONT_FIELD_SQR, EC_R_NOT_INITIALIZED); + return 0; + } + + return BN_mod_mul_montgomery(r, a, a, group->field_data1, ctx); +} + +int ec_GFp_mont_field_encode(const EC_GROUP *group, BIGNUM *r, + const BIGNUM *a, BN_CTX *ctx) +{ + if (group->field_data1 == NULL) { + ECerr(EC_F_EC_GFP_MONT_FIELD_ENCODE, EC_R_NOT_INITIALIZED); + return 0; + } + + return BN_to_montgomery(r, a, (BN_MONT_CTX *)group->field_data1, ctx); +} + +int ec_GFp_mont_field_decode(const EC_GROUP *group, BIGNUM *r, + const BIGNUM *a, BN_CTX *ctx) +{ + if (group->field_data1 == NULL) { + ECerr(EC_F_EC_GFP_MONT_FIELD_DECODE, EC_R_NOT_INITIALIZED); + return 0; + } + + return BN_from_montgomery(r, a, group->field_data1, ctx); +} + +int ec_GFp_mont_field_set_to_one(const EC_GROUP *group, BIGNUM *r, + BN_CTX *ctx) +{ + if (group->field_data2 == NULL) { + ECerr(EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE, EC_R_NOT_INITIALIZED); + return 0; + } + + if (!BN_copy(r, group->field_data2)) + return 0; + return 1; +} |