50 lines
2.0 KiB
TypeScript
50 lines
2.0 KiB
TypeScript
import * as core from "webcrypto-core";
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import { setCryptoKey, getCryptoKey } from "../storage";
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import { RsaCrypto } from "./crypto";
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import { RsaPrivateKey } from "./private_key";
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import { RsaPublicKey } from "./public_key";
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export class RsaPssProvider extends core.RsaPssProvider {
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public async onGenerateKey(algorithm: RsaHashedKeyGenParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKeyPair> {
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const keys = await RsaCrypto.generateKey(
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{
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...algorithm,
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name: this.name,
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},
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extractable,
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keyUsages);
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return {
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privateKey: setCryptoKey(keys.privateKey as RsaPrivateKey),
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publicKey: setCryptoKey(keys.publicKey as RsaPublicKey),
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};
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}
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public async onSign(algorithm: RsaPssParams, key: RsaPrivateKey, data: ArrayBuffer): Promise<ArrayBuffer> {
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return RsaCrypto.sign(algorithm, getCryptoKey(key) as RsaPrivateKey, new Uint8Array(data));
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}
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public async onVerify(algorithm: RsaPssParams, key: RsaPublicKey, signature: ArrayBuffer, data: ArrayBuffer): Promise<boolean> {
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return RsaCrypto.verify(algorithm, getCryptoKey(key) as RsaPublicKey, new Uint8Array(signature), new Uint8Array(data));
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}
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public async onExportKey(format: KeyFormat, key: CryptoKey): Promise<JsonWebKey | ArrayBuffer> {
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return RsaCrypto.exportKey(format, getCryptoKey(key));
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}
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public async onImportKey(format: KeyFormat, keyData: JsonWebKey | ArrayBuffer, algorithm: RsaHashedImportParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey> {
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const key = await RsaCrypto.importKey(format, keyData, {...algorithm, name: this.name}, extractable, keyUsages);
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return setCryptoKey(key);
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}
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public override checkCryptoKey(key: CryptoKey, keyUsage?: KeyUsage) {
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super.checkCryptoKey(key, keyUsage);
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const internalKey = getCryptoKey(key);
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if (!(internalKey instanceof RsaPrivateKey || internalKey instanceof RsaPublicKey)) {
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throw new TypeError("key: Is not RSA CryptoKey");
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}
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}
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}
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