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