mirror of
https://github.com/Ylianst/MeshCommander
synced 2025-12-06 06:03:20 +00:00
330 lines
9.0 KiB
JavaScript
330 lines
9.0 KiB
JavaScript
import * as asn1js from "asn1js";
|
|
import { getParametersValue, clearProps } from "pvutils";
|
|
import AlgorithmIdentifier from "./AlgorithmIdentifier.js";
|
|
import Attribute from "./Attribute.js";
|
|
import ECPrivateKey from "./ECPrivateKey.js";
|
|
import RSAPrivateKey from "./RSAPrivateKey.js";
|
|
//**************************************************************************************
|
|
/**
|
|
* Class from RFC5208
|
|
*/
|
|
export default class PrivateKeyInfo
|
|
{
|
|
//**********************************************************************************
|
|
/**
|
|
* Constructor for PrivateKeyInfo class
|
|
* @param {Object} [parameters={}]
|
|
* @param {Object} [parameters.schema] asn1js parsed value to initialize the class from
|
|
*/
|
|
constructor(parameters = {})
|
|
{
|
|
//region Internal properties of the object
|
|
/**
|
|
* @type {number}
|
|
* @desc version
|
|
*/
|
|
this.version = getParametersValue(parameters, "version", PrivateKeyInfo.defaultValues("version"));
|
|
/**
|
|
* @type {AlgorithmIdentifier}
|
|
* @desc privateKeyAlgorithm
|
|
*/
|
|
this.privateKeyAlgorithm = getParametersValue(parameters, "privateKeyAlgorithm", PrivateKeyInfo.defaultValues("privateKeyAlgorithm"));
|
|
/**
|
|
* @type {OctetString}
|
|
* @desc privateKey
|
|
*/
|
|
this.privateKey = getParametersValue(parameters, "privateKey", PrivateKeyInfo.defaultValues("privateKey"));
|
|
|
|
if("attributes" in parameters)
|
|
/**
|
|
* @type {Array.<Attribute>}
|
|
* @desc attributes
|
|
*/
|
|
this.attributes = getParametersValue(parameters, "attributes", PrivateKeyInfo.defaultValues("attributes"));
|
|
|
|
if("parsedKey" in parameters)
|
|
/**
|
|
* @type {ECPrivateKey|RSAPrivateKey}
|
|
* @desc Parsed public key value
|
|
*/
|
|
this.parsedKey = getParametersValue(parameters, "parsedKey", PrivateKeyInfo.defaultValues("parsedKey"));
|
|
//endregion
|
|
|
|
//region If input argument array contains "schema" for this object
|
|
if("schema" in parameters)
|
|
this.fromSchema(parameters.schema);
|
|
//endregion
|
|
//region If input argument array contains "json" for this object
|
|
if("json" in parameters)
|
|
this.fromJSON(parameters.json);
|
|
//endregion
|
|
}
|
|
//**********************************************************************************
|
|
/**
|
|
* Return default values for all class members
|
|
* @param {string} memberName String name for a class member
|
|
*/
|
|
static defaultValues(memberName)
|
|
{
|
|
switch(memberName)
|
|
{
|
|
case "version":
|
|
return 0;
|
|
case "privateKeyAlgorithm":
|
|
return new AlgorithmIdentifier();
|
|
case "privateKey":
|
|
return new asn1js.OctetString();
|
|
case "attributes":
|
|
return [];
|
|
case "parsedKey":
|
|
return {};
|
|
default:
|
|
throw new Error(`Invalid member name for PrivateKeyInfo class: ${memberName}`);
|
|
}
|
|
}
|
|
//**********************************************************************************
|
|
/**
|
|
* Return value of pre-defined ASN.1 schema for current class
|
|
*
|
|
* ASN.1 schema:
|
|
* ```asn1
|
|
* PrivateKeyInfo ::= SEQUENCE {
|
|
* version Version,
|
|
* privateKeyAlgorithm AlgorithmIdentifier {{PrivateKeyAlgorithms}},
|
|
* privateKey PrivateKey,
|
|
* attributes [0] Attributes OPTIONAL }
|
|
*
|
|
* Version ::= INTEGER {v1(0)} (v1,...)
|
|
*
|
|
* PrivateKey ::= OCTET STRING
|
|
*
|
|
* Attributes ::= SET OF Attribute
|
|
* ```
|
|
*
|
|
* @param {Object} parameters Input parameters for the schema
|
|
* @returns {Object} asn1js schema object
|
|
*/
|
|
static schema(parameters = {})
|
|
{
|
|
/**
|
|
* @type {Object}
|
|
* @property {string} [blockName]
|
|
* @property {string} [version]
|
|
* @property {string} [privateKeyAlgorithm]
|
|
* @property {string} [privateKey]
|
|
* @property {string} [attributes]
|
|
*/
|
|
const names = getParametersValue(parameters, "names", {});
|
|
|
|
return (new asn1js.Sequence({
|
|
name: (names.blockName || ""),
|
|
value: [
|
|
new asn1js.Integer({ name: (names.version || "") }),
|
|
AlgorithmIdentifier.schema(names.privateKeyAlgorithm || {}),
|
|
new asn1js.OctetString({ name: (names.privateKey || "") }),
|
|
new asn1js.Constructed({
|
|
optional: true,
|
|
idBlock: {
|
|
tagClass: 3, // CONTEXT-SPECIFIC
|
|
tagNumber: 0 // [0]
|
|
},
|
|
value: [
|
|
new asn1js.Repeated({
|
|
name: (names.attributes || ""),
|
|
value: Attribute.schema()
|
|
})
|
|
]
|
|
})
|
|
]
|
|
}));
|
|
}
|
|
//**********************************************************************************
|
|
/**
|
|
* Convert parsed asn1js object into current class
|
|
* @param {!Object} schema
|
|
*/
|
|
fromSchema(schema)
|
|
{
|
|
//region Clear input data first
|
|
clearProps(schema, [
|
|
"version",
|
|
"privateKeyAlgorithm",
|
|
"privateKey",
|
|
"attributes"
|
|
]);
|
|
//endregion
|
|
|
|
//region Check the schema is valid
|
|
const asn1 = asn1js.compareSchema(schema,
|
|
schema,
|
|
PrivateKeyInfo.schema({
|
|
names: {
|
|
version: "version",
|
|
privateKeyAlgorithm: {
|
|
names: {
|
|
blockName: "privateKeyAlgorithm"
|
|
}
|
|
},
|
|
privateKey: "privateKey",
|
|
attributes: "attributes"
|
|
}
|
|
})
|
|
);
|
|
|
|
if(asn1.verified === false)
|
|
throw new Error("Object's schema was not verified against input data for PrivateKeyInfo");
|
|
//endregion
|
|
|
|
//region Get internal properties from parsed schema
|
|
this.version = asn1.result.version.valueBlock.valueDec;
|
|
this.privateKeyAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.privateKeyAlgorithm });
|
|
this.privateKey = asn1.result.privateKey;
|
|
|
|
if("attributes" in asn1.result)
|
|
this.attributes = Array.from(asn1.result.attributes, element => new Attribute({ schema: element }));
|
|
|
|
switch(this.privateKeyAlgorithm.algorithmId)
|
|
{
|
|
case "1.2.840.113549.1.1.1": // RSA
|
|
{
|
|
const privateKeyASN1 = asn1js.fromBER(this.privateKey.valueBlock.valueHex);
|
|
if(privateKeyASN1.offset !== (-1))
|
|
this.parsedKey = new RSAPrivateKey({ schema: privateKeyASN1.result });
|
|
}
|
|
break;
|
|
case "1.2.840.10045.2.1": // ECDSA
|
|
if("algorithmParams" in this.privateKeyAlgorithm)
|
|
{
|
|
if(this.privateKeyAlgorithm.algorithmParams instanceof asn1js.ObjectIdentifier)
|
|
{
|
|
const privateKeyASN1 = asn1js.fromBER(this.privateKey.valueBlock.valueHex);
|
|
if(privateKeyASN1.offset !== (-1))
|
|
{
|
|
this.parsedKey = new ECPrivateKey({
|
|
namedCurve: this.privateKeyAlgorithm.algorithmParams.valueBlock.toString(),
|
|
schema: privateKeyASN1.result
|
|
});
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
}
|
|
//endregion
|
|
}
|
|
//**********************************************************************************
|
|
/**
|
|
* Convert current object to asn1js object and set correct values
|
|
* @returns {Object} asn1js object
|
|
*/
|
|
toSchema()
|
|
{
|
|
//region Create array for output sequence
|
|
const outputArray = [
|
|
new asn1js.Integer({ value: this.version }),
|
|
this.privateKeyAlgorithm.toSchema(),
|
|
this.privateKey
|
|
];
|
|
|
|
if("attributes" in this)
|
|
{
|
|
outputArray.push(new asn1js.Constructed({
|
|
optional: true,
|
|
idBlock: {
|
|
tagClass: 3, // CONTEXT-SPECIFIC
|
|
tagNumber: 0 // [0]
|
|
},
|
|
value: Array.from(this.attributes, element => element.toSchema())
|
|
}));
|
|
}
|
|
//endregion
|
|
|
|
//region Construct and return new ASN.1 schema for this object
|
|
return (new asn1js.Sequence({
|
|
value: outputArray
|
|
}));
|
|
//endregion
|
|
}
|
|
//**********************************************************************************
|
|
/**
|
|
* Convertion for the class to JSON object
|
|
* @returns {Object}
|
|
*/
|
|
toJSON()
|
|
{
|
|
//region Return common value in case we do not have enough info fo making JWK
|
|
if(("parsedKey" in this) === false)
|
|
{
|
|
const object = {
|
|
version: this.version,
|
|
privateKeyAlgorithm: this.privateKeyAlgorithm.toJSON(),
|
|
privateKey: this.privateKey.toJSON()
|
|
};
|
|
|
|
if("attributes" in this)
|
|
object.attributes = Array.from(this.attributes, element => element.toJSON());
|
|
|
|
return object;
|
|
}
|
|
//endregion
|
|
|
|
//region Making JWK
|
|
const jwk = {};
|
|
|
|
switch(this.privateKeyAlgorithm.algorithmId)
|
|
{
|
|
case "1.2.840.10045.2.1": // ECDSA
|
|
jwk.kty = "EC";
|
|
break;
|
|
case "1.2.840.113549.1.1.1": // RSA
|
|
jwk.kty = "RSA";
|
|
break;
|
|
default:
|
|
}
|
|
|
|
const publicKeyJWK = this.parsedKey.toJSON();
|
|
|
|
for(const key of Object.keys(publicKeyJWK))
|
|
jwk[key] = publicKeyJWK[key];
|
|
|
|
return jwk;
|
|
//endregion
|
|
}
|
|
//**********************************************************************************
|
|
/**
|
|
* Convert JSON value into current object
|
|
* @param {Object} json
|
|
*/
|
|
fromJSON(json)
|
|
{
|
|
if("kty" in json)
|
|
{
|
|
switch(json.kty.toUpperCase())
|
|
{
|
|
case "EC":
|
|
this.parsedKey = new ECPrivateKey({ json });
|
|
|
|
this.privateKeyAlgorithm = new AlgorithmIdentifier({
|
|
algorithmId: "1.2.840.10045.2.1",
|
|
algorithmParams: new asn1js.ObjectIdentifier({ value: this.parsedKey.namedCurve })
|
|
});
|
|
break;
|
|
case "RSA":
|
|
this.parsedKey = new RSAPrivateKey({ json });
|
|
|
|
this.privateKeyAlgorithm = new AlgorithmIdentifier({
|
|
algorithmId: "1.2.840.113549.1.1.1",
|
|
algorithmParams: new asn1js.Null()
|
|
});
|
|
break;
|
|
default:
|
|
throw new Error(`Invalid value for "kty" parameter: ${json.kty}`);
|
|
}
|
|
|
|
this.privateKey = new asn1js.OctetString({ valueHex: this.parsedKey.toSchema().toBER(false) });
|
|
}
|
|
}
|
|
//**********************************************************************************
|
|
}
|
|
//**************************************************************************************
|