init(keyID:nonce:timestamp:signature:)

Creates a subscription offer signature instance.

Declaration

init(keyID: String, nonce: UUID, timestamp: Int, signature: Data)

keyID:
A string that identifies the private key you use to generate the signature. You set up this key in App Store Connect. For more information, see Generate Keys For In App Purchases.
nonce:
A one-time UUID value that your server generates. Generate a new nonce for each signature. The string representation of the nonce you use in the signature must be lowercase.
timestamp:
A timestamp your server generates in UNIX time format, in milliseconds. The timestamp keeps the offer active for 24 hours.
signature:
The cryptographic signature your server generates to sign the promotional offer.