method

crypto.webcrypto.SubtleCrypto.exportKey

format: 'jwk',
key: CryptoKey
): Promise<JsonWebKey>;
format: 'spki' | 'pkcs8' | 'raw-public' | 'raw-seed' | 'raw' | 'raw-secret',
key: CryptoKey
): Promise<ArrayBuffer>;

Referenced types

interface CryptoKey

interface JsonWebKey

class ArrayBuffer

Represents a raw buffer of binary data, which is used to store data for the different typed arrays. ArrayBuffers cannot be read from or written to directly, but can be passed to a typed array or DataView Object to interpret the raw buffer as needed.

  • readonly [Symbol.toStringTag]: string
  • readonly byteLength: number

    Read-only. The length of the ArrayBuffer (in bytes).

  • newByteLength?: number
    ): void;

    Resizes the ArrayBuffer to the specified size (in bytes).

    MDN

    byteLength: number

    Resize an ArrayBuffer in-place.

  • begin: number,
    end?: number

    Returns a section of an ArrayBuffer.

  • newByteLength?: number

    Creates a new ArrayBuffer with the same byte content as this buffer, then detaches this buffer.

    MDN

  • newByteLength?: number

    Creates a new non-resizable ArrayBuffer with the same byte content as this buffer, then detaches this buffer.

    MDN

type KeyFormat =
| 'jwk'
| 'pkcs8'
| 'raw'
| 'raw-public'
| 'raw-secret'
| 'raw-seed'
| 'spki'