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46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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This file is part of Pretty Curved Privacy (pcp1).
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Copyright (C) 2013 T.Linden.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact me by mail: <tlinden AT cpan DOT org>.
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*/
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#include "scrypt.h"
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#include "util.h"
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byte* pcp_scrypt(PCPCTX *ptx, char *passwd, size_t passwdlen, byte *nonce, size_t noncelen) {
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byte *dk = smalloc(64);
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byte *salt = malloc(crypto_pwhash_scryptsalsa208sha256_SALTBYTES);
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crypto_generichash(salt, crypto_pwhash_scryptsalsa208sha256_SALTBYTES,
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nonce, noncelen, NULL, 0);
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int status = crypto_pwhash_scryptsalsa208sha256(dk, 64, passwd, passwdlen, salt,
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crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVE,
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crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE);
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ucfree(salt, crypto_pwhash_scryptsalsa208sha256_SALTBYTES);
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if (status == 0) {
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return dk;
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}
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else {
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fatal(ptx, "crypto_pwhash_scryptsalsa208sha256() failed\n");
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return NULL;
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}
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}
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