exportSec1Der

exportSec1Der

Export an EC private key as DER-encoded SEC 1 ECPrivateKey.

SEC 1 is the legacy EC-only format. For algorithm-agnostic export, use exportPkcs8Der.

The output always carries the RFC 5915 parameters [0] named curve (matching OpenSSL), so it re-imports via importSec1Der without an explicit curve.

function exportSec1Der(
	privateKey: CryptoKey,
): Promise<Uint8Array>

Parameters

• privateKey: CryptoKey

Throws

• Error — If the key is not an EC key

See also

• importSec1Der for the inverse operation
• exportSec1Pem for PEM output