mirror of
https://github.com/biergaizi/codecrypt
synced 2024-06-28 09:53:46 +00:00
94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
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/*
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* This file is part of Codecrypt.
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*
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* Codecrypt is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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*
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* Codecrypt is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Codecrypt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "message.h"
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#include "mce_qd.h"
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int encrypted_msg::encrypt (const bvector&msg,
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const std::string& Alg_id, const std::string& Key_id,
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keyring&kr, prng&rng)
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{
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key_id = Key_id;
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alg_id = Alg_id;
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sencode*pubkey = kr.get_pubkey (key_id);
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if (!pubkey) return 1; //PK not found
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if (alg_id == "MCEQD-128") {
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} else if (alg_id == "MCEQD-256") {
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mce_qd::pubkey pk;
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if (!pk.unserialize (pubkey) ) return 3; //Key unreadable
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//TODO fujisaki-okamoto
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} else return 2; //unknown algorithm
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return 0;
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}
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int encrypted_msg::decrypt (bvector&msg, keyring&kr)
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{
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sencode*privkey = kr.get_privkey (key_id);
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if (!privkey) return 1; //no key found
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if (alg_id == "MCEQD-128") {
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} else if (alg_id == "MCEQD-256") {
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mce_qd::privkey sk;
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if (!sk.unserialize (privkey) ) return 3; //key unreadable
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//TODO fujisaki-okamoto
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} else return 2; //unknown algorithm
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return 0;
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}
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int signed_msg::sign (const bvector&msg,
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const std::string& Alg_id, const std::string&Key_id,
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keyring&kr, prng&rng)
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{
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key_id = Key_id;
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alg_id = Alg_id;
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message = msg;
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sencode*privkey = kr.get_privkey (key_id);
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if (!privkey) return 1;
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if (alg_id == "FMTSEQ-S256-128") {
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} else if (alg_id == "FMTSEQ-S256-256") {
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//TODO produce a reasonable signature
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} else return 2; //unknown algorithm
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}
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int signed_msg::verify (keyring&kr)
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{
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sencode*pubkey = kr.get_pubkey (key_id);
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if (!pubkey) return 1;
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if (alg_id == "FMTSEQ-S256-128") {
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//TODO check it
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} else if (alg_id == "FMTSEQ-S256-256") {
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} else return 2; //unknown algorithm
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return 0;
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}
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