x509-ts
Version:
Encode and decode X.509 (TLS) Certificates, Attribute Certificates, CRLs, and more.
62 lines • 3.09 kB
JavaScript
;
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const asn1_ts_1 = require("asn1-ts");
const errors = __importStar(require("../errors"));
class AlgorithmIdentifier {
constructor(algorithm, parameters) {
this.algorithm = algorithm;
this.parameters = parameters;
}
static fromElement(value) {
const algorithmIdentifierElements = value.sequence;
if (algorithmIdentifierElements.length === 0) {
throw new errors.X509Error("AlgorithmIdentifier may not contain zero elements.");
}
if (algorithmIdentifierElements.length > 2) {
throw new errors.X509Error("Too many elements in AlgorithmIdentifier.");
}
switch (algorithmIdentifierElements[0].validateTag([asn1_ts_1.ASN1TagClass.universal], [asn1_ts_1.ASN1Construction.primitive], [asn1_ts_1.ASN1UniversalType.objectIdentifier])) {
case 0: break;
case -1: throw new errors.X509Error("Invalid tag class on AlgorithmIdentifier.algorithm");
case -2: throw new errors.X509Error("Invalid construction on AlgorithmIdentifier.algorithm");
case -3: throw new errors.X509Error("Invalid tag number on AlgorithmIdentifier.algorithm");
default: throw new errors.X509Error("Undefined error when validating AlgorithmIdentifier.algorithm tag");
}
return new AlgorithmIdentifier(algorithmIdentifierElements[0].objectIdentifier, algorithmIdentifierElements.length === 2 ? algorithmIdentifierElements[1] : undefined);
}
toElement() {
if (this.algorithm === undefined)
throw new errors.X509Error("Algorithm is undefined");
const algorithmElement = new asn1_ts_1.DERElement();
algorithmElement.tagNumber = asn1_ts_1.ASN1UniversalType.objectIdentifier;
algorithmElement.objectIdentifier = this.algorithm;
const algorithmIdentifierElement = new asn1_ts_1.DERElement();
algorithmIdentifierElement.tagClass = asn1_ts_1.ASN1TagClass.universal;
algorithmIdentifierElement.construction = asn1_ts_1.ASN1Construction.constructed;
algorithmIdentifierElement.tagNumber = asn1_ts_1.ASN1UniversalType.sequence;
if (this.parameters === undefined) {
algorithmIdentifierElement.sequence = [algorithmElement];
}
else {
algorithmIdentifierElement.sequence = [algorithmElement, this.parameters];
}
return algorithmIdentifierElement;
}
static fromBytes(value) {
const el = new asn1_ts_1.DERElement();
el.fromBytes(value);
return AlgorithmIdentifier.fromElement(el);
}
toBytes() {
return this.toElement().toBytes();
}
}
exports.default = AlgorithmIdentifier;
//# sourceMappingURL=AlgorithmIdentifier.js.map