Onionr/src/onionrcrypto/cryptoutils/getpubfrompriv.py

"""Onionr - Private P2P Communication.

generate a public ed25519 key from a private one
"""
from nacl import signing, encoding

from onionrtypes import UserID, UserIDSecretKey
"""
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
"""


def get_pub_key_from_priv(priv_key: UserIDSecretKey,
                          raw_encoding: bool = False) -> UserID:
    return signing.SigningKey(
        priv_key, encoder=encoding.Base32Encoder).verify_key.encode(
            encoding.Base32Encoder)