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webcrypto/packages/core/src/ec/base.ts

30 lines
1.3 KiB
TypeScript

import * as types from "@peculiar/webcrypto-types";
import { OperationError } from "../errors";
import { CryptoKey } from "../crypto_key";
import { ProviderCrypto } from "../provider";
export abstract class EllipticProvider extends ProviderCrypto {
public abstract namedCurves: string[];
public override checkGenerateKeyParams(algorithm: types.EcKeyGenParams) {
// named curve
this.checkRequiredProperty(algorithm, "namedCurve");
this.checkNamedCurve(algorithm.namedCurve);
}
public checkNamedCurve(namedCurve: string) {
for (const item of this.namedCurves) {
if (item.toLowerCase() === namedCurve.toLowerCase()) {
return;
}
}
throw new OperationError(`namedCurve: Must be one of ${this.namedCurves.join(", ")}`);
}
public abstract override onGenerateKey(algorithm: types.EcKeyGenParams, extractable: boolean, keyUsages: types.KeyUsage[], ...args: any[]): Promise<types.CryptoKeyPair>;
public abstract override onExportKey(format: types.KeyFormat, key: CryptoKey, ...args: any[]): Promise<types.JsonWebKey | ArrayBuffer>;
public abstract override onImportKey(format: types.KeyFormat, keyData: types.JsonWebKey | ArrayBuffer, algorithm: types.EcKeyImportParams, extractable: boolean, keyUsages: types.KeyUsage[], ...args: any[]): Promise<CryptoKey>;
}