}if(EC_GROUP_get_asn1_flag(group) && (nid =EC_GROUP_get_curve_name(group))) {/* we have a 'named curve' => just set the OID */*ppval = OBJ_nid2obj(nid); *pptype = V_ASN1_OBJECT; }else{/* explicit parameters */ASN1_STRING *pstr =NULL; pstr = ASN1_STRING_new();if...
LOG_INFO("Get curve name"); jwk->crv = EC_GROUP_get_curve_name(group); ScopedBIGNUM x, y; x = BN_CTX_get(ctx.Get()); y = BN_CTX_get(ctx.Get()); LOG_INFO("Get public key");if(1!=EC_POINT_get_affine_coordinates_GF2m(group, point, x.Get(), y.Get(), ctx.Get())) ...
type=NativeCrypto.EC_CURVE_GF2M; p=((ECFieldF2m)field).getReductionPolynomial(); }else{ thrownewInvalidParameterException("unhandled field class " +field.getClass().getName()); } finalECPointgenerator=params.getGenerator(); returnOpenSSLECGroupContext.getInstance(type,p,curve.getA(),curve.getB(...
int EC_GROUP_get_curve_name (const EC_GROUP *group) void EC_GROUP_set_asn1_flag (EC_GROUP *group, int flag) int EC_GROUP_get_asn1_flag (const EC_GROUP *group) void EC_GROUP_set_point_conversion_form (EC_GROUP *group, point_conversion_form_t form) point_conversion_form_t EC_GRO...
#define EC_F_EC_GROUP_GET_DEGREE 173 #define EC_F_EC_GROUP_GET_ORDER 141 #define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193 #define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194 #define EC_F_EC_GROUP_NEW 108 #define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174 #define EC_F_EC_GROUP_NEW_FROM...
group = EC_KEY_get0_group(pkey->pkey.ec); if (!EC_GROUP_get_order(group, order, NULL)) { ERR_clear_error(); return 0; } ret = BN_num_bits(order); BN_free(order); return ret; return EC_GROUP_order_bits(EC_KEY_get0_group(pkey->pkey.ec)); } static int ec_security_bits...
/* TODO(TLS1.3): Get group name here */ /* Use NIST name for curve if it exists */ gname = EC_curve_nid2nist(nid); if (gname == NULL) gname = OBJ_nid2sn(nid); BIO_printf(out, "%s", gname); } But the "Shared Elliptic Groups" output is missing this logic:...
public static NamedGroup getNamedCuveFromECCurve(ECCurve unknownCurve) { for (NamedGroup group : NamedGroup.values()) { ECNamedCurveParameterSpec parameterSpec = ECNamedCurveTable.getParameterSpec(group.name()); if (parameterSpec.getCurve().equals(unknownCurve)) { return group; } } return null...
在假设设备上支持哪些加密算法以及来自哪个版本时，您必须小心。
ECNamedCurveParameterSpec parameterSpec = ECNamedCurveTable.getParameterSpec(group.name()); if (parameterSpec.getCurve().equals(unknownCurve)) { return group; } } return null; } 代码示例来源:origin: redfish64/TinyTravelTracker public static boolean areOnSameCurve(ECDomainParameters a, ECDomainPar...