How to use PKCS8 RSA DER private key in iOS
Common commands are as follows:-Generate rsa private key (traditional format) OpenSSL GENRSA-OUTRSA _ private _ key.pem1024-Convert traditional private key into PKCS # Opensslpkcs8-topk8-Informpem-inrsa _ private _ key.pem-outrformpem-nocrypt-generate RSA public key OpenSSL RSA-inrsa _ private _ key.pem-pub out-out RSA _ public _ key.pem.