rsa

func DecodePrivateKey(key []byte) (*rsa.PrivateKey, error)

func Decrypt(ciphertext []byte, privateKey []byte) ([]byte, error)

func Encrypt(plaintext []byte, publicKey []byte) ([]byte, error)

func GenerateRSAKey(bits int) (*rsa.PrivateKey, error)

func SaveRSAKey(privateKey *rsa.PrivateKey) error

func Sign(digest, privateKey []byte) ([]byte, error)

func Stringify(privateKey *rsa.PrivateKey) (pri string, pub string, err error)

func Verify(signature, digest, publicKey []byte) (bool, error)