From 0e752a6e215aee21dc73da097c3225495d54a5b6 Mon Sep 17 00:00:00 2001 From: SoniEx2 Date: Fri, 9 Apr 2021 07:19:03 -0300 Subject: Add libotr/etc sources --- libotr/libotr-4.1.1/toolkit/otr_mackey.c | 65 ++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 libotr/libotr-4.1.1/toolkit/otr_mackey.c (limited to 'libotr/libotr-4.1.1/toolkit/otr_mackey.c') diff --git a/libotr/libotr-4.1.1/toolkit/otr_mackey.c b/libotr/libotr-4.1.1/toolkit/otr_mackey.c new file mode 100644 index 0000000..cf2b4eb --- /dev/null +++ b/libotr/libotr-4.1.1/toolkit/otr_mackey.c @@ -0,0 +1,65 @@ +/* + * Off-the-Record Messaging Toolkit + * Copyright (C) 2004-2012 Ian Goldberg, Chris Alexander, Nikita Borisov + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* system headers */ +#include +#include + +/* toolkit headers */ +#include "parse.h" +#include "sesskeys.h" + +static void usage(const char *progname) +{ + fprintf(stderr, "Usage: %s aeskey\n" +"Calculate and display the MAC key derived from a given AES key.\n", + progname); + exit(1); +} + +int main(int argc, char **argv) +{ + unsigned char *argbuf; + size_t argbuflen; + unsigned char mackey[20]; + + if (argc != 2) { + usage(argv[0]); + } + + argv_to_buf(&argbuf, &argbuflen, argv[1]); + /* AES keys are 128 bits long, so check for that */ + if (!argbuf) { + usage(argv[0]); + } + + if (argbuflen != 16) { + fprintf(stderr, "The AES key must be 32 hex chars long.\n"); + usage(argv[0]); + } + + sesskeys_make_mac(mackey, argbuf); + + dump_data(stdout, "AES key", argbuf, 16); + dump_data(stdout, "MAC key", mackey, 20); + + free(argbuf); + fflush(stdout); + return 0; +} -- cgit 1.4.1