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import * as asn1js from "asn1js";
import * as pvutils from "pvutils";
import { EMPTY_STRING } from "./constants";
import { AsnError } from "./errors";
import { KeyAgreeRecipientIdentifier, KeyAgreeRecipientIdentifierJson, KeyAgreeRecipientIdentifierSchema } from "./KeyAgreeRecipientIdentifier";
import { PkiObject, PkiObjectParameters } from "./PkiObject";
import * as Schema from "./Schema";
const RID = "rid";
const ENCRYPTED_KEY = "encryptedKey";
const CLEAR_PROPS = [
RID,
ENCRYPTED_KEY,
];
export interface IRecipientEncryptedKey {
rid: KeyAgreeRecipientIdentifier;
encryptedKey: asn1js.OctetString;
}
export interface RecipientEncryptedKeyJson {
rid: KeyAgreeRecipientIdentifierJson;
encryptedKey: asn1js.OctetStringJson;
}
export type RecipientEncryptedKeyParameters = PkiObjectParameters & Partial<IRecipientEncryptedKey>;
/**
* Represents the RecipientEncryptedKey structure described in [RFC5652](https://datatracker.ietf.org/doc/html/rfc5652)
*/
export class RecipientEncryptedKey extends PkiObject implements IRecipientEncryptedKey {
public static override CLASS_NAME = "RecipientEncryptedKey";
public rid!: KeyAgreeRecipientIdentifier;
public encryptedKey!: asn1js.OctetString;
/**
* Initializes a new instance of the {@link RecipientEncryptedKey} class
* @param parameters Initialization parameters
*/
constructor(parameters: RecipientEncryptedKeyParameters = {}) {
super();
this.rid = pvutils.getParametersValue(parameters, RID, RecipientEncryptedKey.defaultValues(RID));
this.encryptedKey = pvutils.getParametersValue(parameters, ENCRYPTED_KEY, RecipientEncryptedKey.defaultValues(ENCRYPTED_KEY));
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
*/
public static override defaultValues(memberName: typeof RID): KeyAgreeRecipientIdentifier;
public static override defaultValues(memberName: typeof ENCRYPTED_KEY): asn1js.OctetString;
public static override defaultValues(memberName: string): any {
switch (memberName) {
case RID:
return new KeyAgreeRecipientIdentifier();
case ENCRYPTED_KEY:
return new asn1js.OctetString();
default:
return super.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
*/
public static compareWithDefault(memberName: string, memberValue: any): boolean {
switch (memberName) {
case RID:
return ((memberValue.variant === (-1)) && (("value" in memberValue) === false));
case ENCRYPTED_KEY:
return (memberValue.isEqual(RecipientEncryptedKey.defaultValues(ENCRYPTED_KEY)));
default:
return super.defaultValues(memberName);
}
}
/**
* @inheritdoc
* @asn ASN.1 schema
* ```asn
* RecipientEncryptedKey ::= SEQUENCE {
* rid KeyAgreeRecipientIdentifier,
* encryptedKey EncryptedKey }
*
* EncryptedKey ::= OCTET STRING
*```
*/
public static override schema(parameters: Schema.SchemaParameters<{
rid?: KeyAgreeRecipientIdentifierSchema;
encryptedKey?: string;
}> = {}): Schema.SchemaType {
const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
return (new asn1js.Sequence({
name: (names.blockName || EMPTY_STRING),
value: [
KeyAgreeRecipientIdentifier.schema(names.rid || {}),
new asn1js.OctetString({ name: (names.encryptedKey || EMPTY_STRING) })
]
}));
}
public fromSchema(schema: Schema.SchemaType): void {
// Clear input data first
pvutils.clearProps(schema, CLEAR_PROPS);
// Check the schema is valid
const asn1 = asn1js.compareSchema(schema,
schema,
RecipientEncryptedKey.schema({
names: {
rid: {
names: {
blockName: RID
}
},
encryptedKey: ENCRYPTED_KEY
}
})
);
AsnError.assertSchema(asn1, this.className);
// Get internal properties from parsed schema
this.rid = new KeyAgreeRecipientIdentifier({ schema: asn1.result.rid });
this.encryptedKey = asn1.result.encryptedKey;
}
public toSchema(): asn1js.Sequence {
// Construct and return new ASN.1 schema for this object
return (new asn1js.Sequence({
value: [
this.rid.toSchema(),
this.encryptedKey
]
}));
//#endregion
}
public toJSON(): RecipientEncryptedKeyJson {
return {
rid: this.rid.toJSON(),
encryptedKey: this.encryptedKey.toJSON(),
};
}
}
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