Function parsePemKey

js/sign/src/utils/utils.ts:14–22

(
  unparsedKey: string | Buffer<ArrayBufferLike>,
  passphrase?: string
)

// A helper function which can be used to parse string formatted keys to
// KeyObjects.
export function parsePemKey(
  unparsedKey: string | Buffer<ArrayBufferLike>,
  passphrase?: string
): KeyObject {
  return crypto.createPrivateKey({
    key: unparsedKey,
    passphrase,
  });
}

function maybeGetSignatureType(key: crypto.KeyObject): SignatureType | null {
  switch (key.asymmetricKeyType) {