diff options
Diffstat (limited to 'drivers/builtin_openssl2/crypto/ec/ecp_nist.c')
-rw-r--r-- | drivers/builtin_openssl2/crypto/ec/ecp_nist.c | 267 |
1 files changed, 135 insertions, 132 deletions
diff --git a/drivers/builtin_openssl2/crypto/ec/ecp_nist.c b/drivers/builtin_openssl2/crypto/ec/ecp_nist.c index aad2d5f443..3944e24935 100644 --- a/drivers/builtin_openssl2/crypto/ec/ecp_nist.c +++ b/drivers/builtin_openssl2/crypto/ec/ecp_nist.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 @@ -68,150 +68,153 @@ #include "ec_lcl.h" #ifdef OPENSSL_FIPS -#include <openssl/fips.h> +# include <openssl/fips.h> #endif const EC_METHOD *EC_GFp_nist_method(void) - { +{ + static const EC_METHOD ret = { + EC_FLAGS_DEFAULT_OCT, + NID_X9_62_prime_field, + ec_GFp_simple_group_init, + ec_GFp_simple_group_finish, + ec_GFp_simple_group_clear_finish, + ec_GFp_nist_group_copy, + ec_GFp_nist_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_nist_field_mul, + ec_GFp_nist_field_sqr, + 0 /* field_div */ , + 0 /* field_encode */ , + 0 /* field_decode */ , + 0 /* field_set_to_one */ + }; + #ifdef OPENSSL_FIPS - return fips_ec_gfp_nist_method(); -#else - static const EC_METHOD ret = { - EC_FLAGS_DEFAULT_OCT, - NID_X9_62_prime_field, - ec_GFp_simple_group_init, - ec_GFp_simple_group_finish, - ec_GFp_simple_group_clear_finish, - ec_GFp_nist_group_copy, - ec_GFp_nist_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_nist_field_mul, - ec_GFp_nist_field_sqr, - 0 /* field_div */, - 0 /* field_encode */, - 0 /* field_decode */, - 0 /* field_set_to_one */ }; - - return &ret; + if (FIPS_mode()) + return fips_ec_gfp_nist_method(); #endif - } + + return &ret; +} int ec_GFp_nist_group_copy(EC_GROUP *dest, const EC_GROUP *src) - { - dest->field_mod_func = src->field_mod_func; +{ + dest->field_mod_func = src->field_mod_func; - return ec_GFp_simple_group_copy(dest, src); - } + return ec_GFp_simple_group_copy(dest, src); +} int ec_GFp_nist_group_set_curve(EC_GROUP *group, const BIGNUM *p, - const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) - { - int ret = 0; - BN_CTX *new_ctx = NULL; - BIGNUM *tmp_bn; - - if (ctx == NULL) - if ((ctx = new_ctx = BN_CTX_new()) == NULL) return 0; - - BN_CTX_start(ctx); - if ((tmp_bn = BN_CTX_get(ctx)) == NULL) goto err; - - if (BN_ucmp(BN_get0_nist_prime_192(), p) == 0) - group->field_mod_func = BN_nist_mod_192; - else if (BN_ucmp(BN_get0_nist_prime_224(), p) == 0) - group->field_mod_func = BN_nist_mod_224; - else if (BN_ucmp(BN_get0_nist_prime_256(), p) == 0) - group->field_mod_func = BN_nist_mod_256; - else if (BN_ucmp(BN_get0_nist_prime_384(), p) == 0) - group->field_mod_func = BN_nist_mod_384; - else if (BN_ucmp(BN_get0_nist_prime_521(), p) == 0) - group->field_mod_func = BN_nist_mod_521; - else - { - ECerr(EC_F_EC_GFP_NIST_GROUP_SET_CURVE, EC_R_NOT_A_NIST_PRIME); - goto err; - } - - ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx); + const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) +{ + int ret = 0; + BN_CTX *new_ctx = NULL; + BIGNUM *tmp_bn; + + if (ctx == NULL) + if ((ctx = new_ctx = BN_CTX_new()) == NULL) + return 0; + + BN_CTX_start(ctx); + if ((tmp_bn = BN_CTX_get(ctx)) == NULL) + goto err; + + if (BN_ucmp(BN_get0_nist_prime_192(), p) == 0) + group->field_mod_func = BN_nist_mod_192; + else if (BN_ucmp(BN_get0_nist_prime_224(), p) == 0) + group->field_mod_func = BN_nist_mod_224; + else if (BN_ucmp(BN_get0_nist_prime_256(), p) == 0) + group->field_mod_func = BN_nist_mod_256; + else if (BN_ucmp(BN_get0_nist_prime_384(), p) == 0) + group->field_mod_func = BN_nist_mod_384; + else if (BN_ucmp(BN_get0_nist_prime_521(), p) == 0) + group->field_mod_func = BN_nist_mod_521; + else { + ECerr(EC_F_EC_GFP_NIST_GROUP_SET_CURVE, EC_R_NOT_A_NIST_PRIME); + goto err; + } + + ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx); err: - BN_CTX_end(ctx); - if (new_ctx != NULL) - BN_CTX_free(new_ctx); - return ret; - } - + BN_CTX_end(ctx); + if (new_ctx != NULL) + BN_CTX_free(new_ctx); + return ret; +} int ec_GFp_nist_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, - const BIGNUM *b, BN_CTX *ctx) - { - int ret=0; - BN_CTX *ctx_new=NULL; - - if (!group || !r || !a || !b) - { - ECerr(EC_F_EC_GFP_NIST_FIELD_MUL, ERR_R_PASSED_NULL_PARAMETER); - goto err; - } - if (!ctx) - if ((ctx_new = ctx = BN_CTX_new()) == NULL) goto err; - - if (!BN_mul(r, a, b, ctx)) goto err; - if (!group->field_mod_func(r, r, &group->field, ctx)) - goto err; - - ret=1; -err: - if (ctx_new) - BN_CTX_free(ctx_new); - return ret; - } - + const BIGNUM *b, BN_CTX *ctx) +{ + int ret = 0; + BN_CTX *ctx_new = NULL; + + if (!group || !r || !a || !b) { + ECerr(EC_F_EC_GFP_NIST_FIELD_MUL, ERR_R_PASSED_NULL_PARAMETER); + goto err; + } + if (!ctx) + if ((ctx_new = ctx = BN_CTX_new()) == NULL) + goto err; + + if (!BN_mul(r, a, b, ctx)) + goto err; + if (!group->field_mod_func(r, r, &group->field, ctx)) + goto err; + + ret = 1; + err: + if (ctx_new) + BN_CTX_free(ctx_new); + return ret; +} int ec_GFp_nist_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, - BN_CTX *ctx) - { - int ret=0; - BN_CTX *ctx_new=NULL; - - if (!group || !r || !a) - { - ECerr(EC_F_EC_GFP_NIST_FIELD_SQR, EC_R_PASSED_NULL_PARAMETER); - goto err; - } - if (!ctx) - if ((ctx_new = ctx = BN_CTX_new()) == NULL) goto err; - - if (!BN_sqr(r, a, ctx)) goto err; - if (!group->field_mod_func(r, r, &group->field, ctx)) - goto err; - - ret=1; -err: - if (ctx_new) - BN_CTX_free(ctx_new); - return ret; - } + BN_CTX *ctx) +{ + int ret = 0; + BN_CTX *ctx_new = NULL; + + if (!group || !r || !a) { + ECerr(EC_F_EC_GFP_NIST_FIELD_SQR, EC_R_PASSED_NULL_PARAMETER); + goto err; + } + if (!ctx) + if ((ctx_new = ctx = BN_CTX_new()) == NULL) + goto err; + + if (!BN_sqr(r, a, ctx)) + goto err; + if (!group->field_mod_func(r, r, &group->field, ctx)) + goto err; + + ret = 1; + err: + if (ctx_new) + BN_CTX_free(ctx_new); + return ret; +} |