verifiablecredentials-crypto-sdk-typescript-keys
Version:
Package for managing keys in the DID space.
71 lines • 2.33 kB
JavaScript
;
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.KeyType = void 0;
/**
* Enumeration to model key types.
*/
var KeyType;
(function (KeyType) {
KeyType["Oct"] = "oct";
KeyType["EC"] = "EC";
KeyType["RSA"] = "RSA";
KeyType["OKP"] = "OKP";
})(KeyType = exports.KeyType || (exports.KeyType = {}));
/**
* Factory class to create @enum KeyType objects
*/
class KeyTypeFactory {
/**
* Create the key type according to the selected algorithm.
* @param algorithm Web crypto compliant algorithm object
*/
static createViaWebCrypto(algorithm) {
switch (algorithm.name.toLowerCase()) {
case 'hmac':
return KeyType.Oct;
case 'ecdsa':
return KeyType.EC;
case 'eddsa':
return KeyType.OKP;
case 'ecdh':
return KeyType.EC;
case 'rsassa-pkcs1-v1_5':
return KeyType.RSA;
case 'rsa-oaep':
case 'rsa-oaep-256':
return KeyType.RSA;
default:
throw new Error(`The algorithm '${algorithm.name}' is not supported`);
}
}
/**
* Create the key type according to the selected JWA algorithm.
* @param alg JWA name
*/
static createViaJwa(alg) {
switch (alg.toLowerCase()) {
case 'rs256':
case 'rs384':
case 'rs512':
case 'rsa-oaep':
case 'rsa-oaep-256':
return KeyType.RSA;
case 'a128gcm':
case 'a256gcm':
case 'a192gcm':
return KeyType.Oct;
case 'es256k':
case 'secp256k1':
case 'ecdsa':
case 'eddsa':
return KeyType.EC;
}
throw new Error(`Algorithm '${alg}' is not supported`);
}
}
exports.default = KeyTypeFactory;
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