Example function in Swift, how to get “base64EncodedCertificateData”:

import Foundation

func certificateToString(certificate: SecCertificate) - String {
return (SecCertificateCopyData(certificate) as Data).base64EncodedString()
}

Example function in C#, how to get “base64EncodedCertificateData”:

using System.Security.Cryptography.X509Certificates;

string certificateToString(X509Certificate2 certificate) {
byte[] dataToEncode = certificate.Export(X509ContentType.Cert);
return Convert.ToBase64String(dataToEncode);
}