62 lines
2.4 KiB
TypeScript
62 lines
2.4 KiB
TypeScript
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import type { ECDSA_PKCS8_P384_SignKey, ECDSA_P384_VerifyKey } from "./RawTypes.js";
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import { encodePEM } from "./utils.js";
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// 간편하게 저장하기 위해서 그냥! 매번 복잡한 일을 하도록 하자
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const subtle = globalThis.crypto.subtle;
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export const curveName: EcKeyGenParams | EcKeyImportParams = {
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name: 'ECDSA',
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namedCurve: 'P-384'
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}
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export async function importSignKey(signKey: ECDSA_PKCS8_P384_SignKey, allowExport?: boolean): Promise<CryptoKey> {
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return await subtle.importKey('pkcs8', signKey, curveName, allowExport ?? false, ['sign']);
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}
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export async function importVerifyKeyRaw(verifyKey: ECDSA_P384_VerifyKey, allowExport?: boolean): Promise<CryptoKey> {
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return await subtle.importKey('raw', verifyKey, curveName, allowExport ?? false, ['verify'])
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}
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export async function exportVerifyKeyRaw(verifyKey: ECDSA_P384_VerifyKey): Promise<Buffer>{
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const key = await importVerifyKeyRaw(verifyKey);
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return Buffer.from(await subtle.exportKey('raw', key));
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}
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export async function importVerifyKey(verifyKey: ECDSA_P384_VerifyKey, allowExport?: boolean): Promise<CryptoKey> {
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return await subtle.importKey('spki', verifyKey, curveName, allowExport ?? false, ['verify'])
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}
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export async function genKey(): Promise<[ECDSA_PKCS8_P384_SignKey, ECDSA_P384_VerifyKey]> {
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const keyPair = await subtle.generateKey(curveName, true, ['sign', 'verify']);
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const signKey = subtle.exportKey('pkcs8', keyPair.privateKey);
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const verifyKey = subtle.exportKey('spki', keyPair.publicKey);
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return [Buffer.from(await signKey), Buffer.from(await verifyKey)];
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}
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export async function pemFromVerifyKey(verifyKey: ECDSA_P384_VerifyKey): Promise<string> {
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const subtleVerifyKey = await importVerifyKey(verifyKey, true);
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const spkiRaw = await subtle.exportKey('spki', subtleVerifyKey)
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return encodePEM(Buffer.from(spkiRaw), 'PUBLIC KEY');
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}
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export function pemFromSignKey(signKey: ECDSA_PKCS8_P384_SignKey): string {
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return encodePEM(signKey, 'EC PRIVATE KEY');
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}
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export async function verifyKeyFromSignKey(signKey: ECDSA_PKCS8_P384_SignKey): Promise<ECDSA_P384_VerifyKey> {
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const subtleSignKey = await importSignKey(signKey, true);
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const jwk = await subtle.exportKey('jwk', subtleSignKey);
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delete jwk.d;
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delete jwk.dp;
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delete jwk.dq;
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delete jwk.q;
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delete jwk.qi;
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jwk.key_ops = ["verify"];
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const subtleVerifyKey = await subtle.importKey('jwk', jwk, curveName, true, ['verify']);
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const verifyKey = await subtle.exportKey('spki', subtleVerifyKey);
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return Buffer.from(verifyKey);
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} |