# Functions
GeneratePrivateKey generates an RSA private key.
NewRsaEncryption creates a new RsaEncryption instance.
PemToPrivateKey converts a PEM-encoded private key to an *rsa.PrivateKey.
PemToPublicKey converts a PEM-encoded public key to an *rsa.PublicKey.
PrivateKeyToPem converts an *rsa.PrivateKey to a PEM-encoded private key.
PublicKeyToPem converts an *rsa.PublicKey to a PEM-encoded public key.