kSecPaddingOAEPKey
PKCS7 padding will be used when encrypting or decrypting.
Declaration
let kSecPaddingOAEPKey: CFStringDiscussion
When using this padding type, consider also setting the kSecOAEPMessageLengthAttributeName, kSecOAEPEncodingParametersAttributeName, and kSecOAEPMGF1DigestAlgorithmAttributeName attributes.