jose/dist/deno/key/export.ts

import { toSPKI as exportPublic } from '../runtime/asn1.ts'
import { toPKCS8 as exportPrivate } from '../runtime/asn1.ts'
import keyToJWK from '../runtime/key_to_jwk.ts'

import type { JWK, KeyLike } from '../types.d.ts'

/**
 * Exports a runtime-specific public key representation (KeyObject or CryptoKey) to a PEM-encoded
 * SPKI string format.
 *
 * @param key Key representation to transform to a PEM-encoded SPKI string format.
 */
export async function exportSPKI(key: KeyLike): Promise<string> {
  return exportPublic(key)
}

/**
 * Exports a runtime-specific private key representation (KeyObject or CryptoKey) to a PEM-encoded
 * PKCS8 string format.
 *
 * @param key Key representation to transform to a PEM-encoded PKCS8 string format.
 */
export async function exportPKCS8(key: KeyLike): Promise<string> {
  return exportPrivate(key)
}

/**
 * Exports a runtime-specific key representation (KeyLike) to a JWK.
 *
 * @param key Key representation to export as JWK.
 */
export async function exportJWK(key: KeyLike | Uint8Array): Promise<JWK> {
  return keyToJWK(key)
}