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/*
* Seahorse
*
* Copyright (c) 2016 Niels De Graef
*
* 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 2 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
* <http://www.gnu.org/licenses/>.
*/
/**
* Enumerates the possible algorithms in which an SSH key can be encrypted.
* This is also known as the 'type' of a key.
*/
public enum Seahorse.Ssh.Algorithm {
UNKNOWN,
RSA,
DSA,
ECDSA,
ED25519;
/**
* Returns a (non-localized) string representation.
*
* @return A string representation, or null if UNKNOWN.
*/
public string? to_string() {
switch(this) {
case UNKNOWN:
return "";
case RSA:
return "RSA";
case DSA:
return "DSA";
case ECDSA:
return "ECDSA";
case ED25519:
return "ED25519";
default:
assert_not_reached ();
};
}
/**
* Converts a string representation into a Algorithm.
*
* @return The algorithm (can be UNKNOWN).
*/
public static Algorithm from_string(string? type) {
if (type == null || type == "")
return UNKNOWN;
string _type = type.strip().down();
switch (_type) {
case "rsa":
return RSA;
case "dsa":
case "dss":
return DSA;
case "ecdsa":
return ECDSA;
case "ed25519":
return ED25519;
default:
return UNKNOWN;
}
}
/**
* Tries to make an educated guess for the algorithm type.
* Basically it just checks if the given string contains the type.
*
* @return The guessed algorithm (can be UNKNOWN)
*/
public static Algorithm guess_from_string(string? str) {
if (str == null || str == "")
return UNKNOWN;
string str_down = str.down();
if ("rsa" in str_down)
return RSA;
if (("dsa" in str_down) || ("dss" in str_down))
return DSA;
if ("ecdsa" in str_down)
return ECDSA;
if ("ed25519" in str_down)
return ED25519;
return UNKNOWN;
}
}
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