keycard.crypto package¶
Submodules¶
keycard.crypto.ecdh module¶
Computes the secp256k1 ECDH shared secret.
- Return type:
bytes- Parameters:
private_key (EllipticCurvePrivateKey) – Our private key.
peer_public_key (bytes) – The peer’s encoded public key.
- Returns:
The X coordinate of the shared point (32 bytes).
- Return type:
bytes
- Raises:
ValueError – If the peer public key is not a valid point.
- keycard.crypto.ecdh.generate_key_pair()¶
Generates an ephemeral secp256k1 key pair.
- Return type:
tuple[EllipticCurvePrivateKey,bytes]- Returns:
- The private key and its
uncompressed public key (65 bytes).
- Return type:
tuple[EllipticCurvePrivateKey, bytes]
keycard.crypto.generate_pairing_token module¶
- keycard.crypto.generate_pairing_token.generate_pairing_token(passphrase)¶
- Return type:
bytes