import * as asn1js from "asn1js"; import * as pvutils from "pvutils"; import { AlgorithmIdentifier, AlgorithmIdentifierJson, AlgorithmIdentifierSchema } from "./AlgorithmIdentifier"; import { Certificate, CertificateJson } from "./Certificate"; import { EMPTY_STRING } from "./constants"; import { AsnError } from "./errors"; import { PkiObject, PkiObjectParameters } from "./PkiObject"; import * as Schema from "./Schema";
public signatureAlgorithm!: AlgorithmIdentifier; public signature!: asn1js.BitString; public certs?: Certificate[];
/** * Initializes a new instance of the {@link Signature} class * @param parameters Initialization parameters
*/
constructor(parameters: SignatureParameters = {}) { super();
this.signatureAlgorithm = pvutils.getParametersValue(parameters, SIGNATURE_ALGORITHM, Signature.defaultValues(SIGNATURE_ALGORITHM)); this.signature = pvutils.getParametersValue(parameters, SIGNATURE, Signature.defaultValues(SIGNATURE)); if (CERTS in parameters) { this.certs = pvutils.getParametersValue(parameters, CERTS, Signature.defaultValues(CERTS));
} if (parameters.schema) { this.fromSchema(parameters.schema);
}
}
/** * Returns default values for all class members * @param memberName String name for a class member * @returns Default value
*/ publicstatic override defaultValues(memberName: typeof SIGNATURE_ALGORITHM): AlgorithmIdentifier; publicstatic override defaultValues(memberName: typeof SIGNATURE): asn1js.BitString; publicstatic override defaultValues(memberName: typeof CERTS): Certificate[]; publicstatic override defaultValues(memberName: string): any { switch (memberName) { case SIGNATURE_ALGORITHM: returnnew AlgorithmIdentifier(); case SIGNATURE: returnnew asn1js.BitString(); case CERTS: return []; default: returnsuper.defaultValues(memberName);
}
}
/** * Compare values with default values for all class members * @param memberName String name for a class member * @param memberValue Value to compare with default value
*/ publicstatic compareWithDefault(memberName: string, memberValue: any): boolean { switch (memberName) { case SIGNATURE_ALGORITHM: return ((memberValue.algorithmId === EMPTY_STRING) && (("algorithmParams" in memberValue) === false)); case SIGNATURE: return (memberValue.isEqual(Signature.defaultValues(memberName))); case CERTS: return (memberValue.length === 0); default: returnsuper.defaultValues(memberName);
}
}
// Get internal properties from parsed schema this.signatureAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.signatureAlgorithm }); this.signature = asn1.result.signature; if (CERTS in asn1.result) this.certs = Array.from(asn1.result.certs, element => new Certificate({ schema: element }));
}
public toSchema(): asn1js.Sequence { //#region Create array of output sequence const outputArray = [];
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