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#[derive(Debug, PartialEq, Eq, Clone, Copy, FromPrimitive)]
#[repr(u8)]
pub enum PublicKeyAlgorithm {
/// RSA (Encrypt and Sign)
RSA = 1,
/// DEPRECATED: RSA (Encrypt-Only)
RSAEncrypt = 2,
/// DEPRECATED: RSA (Sign-Only)
RSASign = 3,
/// Elgamal (Sign-Only)
ElgamalSign = 16,
/// DSA (Digital Signature Algorithm)
DSA = 17,
/// Elliptic Curve: RFC-6637
ECDH = 18,
/// ECDSA: RFC-6637
ECDSA = 19,
/// DEPRECATED: Elgamal (Encrypt and Sign)
Elgamal = 20,
/// Reserved for Diffie-Hellman (X9.42, as defined for IETF-S/MIME)
DiffieHellman = 21,
/// EdDSA (not yet assigned)
EdDSA = 22,
/// Private experimental range (from OpenGPG)
// TODO: genenric Unknown(u8)
Private100 = 100,
Private101 = 101,
Private102 = 102,
Private103 = 103,
Private104 = 104,
Private105 = 105,
Private106 = 106,
Private107 = 107,
Private108 = 108,
Private109 = 109,
Private110 = 110,
}