PemToPrivateKey converts a PEM encoded private key to a Signer interface.

PemToPublicKey converts a PEM encoded public key to a crypto.PublicKey.

PrivateKeyToPem converts an public key to PEM encoding.

PublicKeyToPem converts an public key to PEM encoding.

ErrRsaPubKeyConversion indicates a public key could not be converted to an RSA public key.

ErrWrongPrivateKey indicates a wrong private key format.

ErrWrongPublicKey indicates a wrong public key format.