import * as asn1js from "asn1js"; import * as pvutils from "pvutils"; import { AlgorithmIdentifier, AlgorithmIdentifierJson, AlgorithmIdentifierSchema } from "./AlgorithmIdentifier"; import { EMPTY_STRING } from "./constants"; import { AsnError } from "./errors"; import { PkiObject, PkiObjectParameters } from "./PkiObject"; import * as Schema from "./Schema";
public digestAlgorithm!: AlgorithmIdentifier; public digest!: asn1js.OctetString;
/** * Initializes a new instance of the {@link DigestInfo} class * @param parameters Initialization parameters
*/
constructor(parameters: DigestInfoParameters = {}) { super();
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 DIGEST_ALGORITHM): AlgorithmIdentifier; publicstatic override defaultValues(memberName: typeof DIGEST): asn1js.OctetString; publicstatic override defaultValues(memberName: string): any { switch (memberName) { case DIGEST_ALGORITHM: returnnew AlgorithmIdentifier(); case DIGEST: returnnew asn1js.OctetString(); 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 DIGEST_ALGORITHM: return ((AlgorithmIdentifier.compareWithDefault("algorithmId", memberValue.algorithmId)) &&
(("algorithmParams" in memberValue) === false)); case DIGEST: return (memberValue.isEqual(DigestInfo.defaultValues(memberName))); default: returnsuper.defaultValues(memberName);
}
}
// Get internal properties from parsed schema this.digestAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.digestAlgorithm }); this.digest = asn1.result.digest;
}
public toSchema(): asn1js.Sequence { // Construct and return new ASN.1 schema for this object return (new asn1js.Sequence({
value: [ this.digestAlgorithm.toSchema(), this.digest
]
}));
}
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