createAuthorizationHeader.js

export const createAuthorizationHeader = async (message: any) => {
   const { signing_string, expires, created } = await createSigningString(JSON.stringify(message));
   const signature = await signMessage(signing_string, process.env.sign_private_key || "");
   const subscriber_id = config.bap_id;
   const header = `Signature keyId="${subscriber_id}|${config.unique_key_id}|ed25519",algorithm="ed25519",created="${created}",expires="${expires}",headers="(created) (expires) digest",signature="${signature}"`
   return header;
}