mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-12-01 11:48:23 -05:00
120 lines
2.2 KiB
C
120 lines
2.2 KiB
C
/*
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* Test program for SHA256
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* Copyright (c) 2006, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "crypto/crypto.h"
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static int cavp_shavs(const char *fname)
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{
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FILE *f;
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int ret = 0;
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char buf[15000], *pos, *pos2;
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u8 msg[6400];
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int msg_len = 0, tmp_len;
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u8 md[32], hash[32];
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int ok = 0;
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printf("CAVP SHAVS test vectors from %s\n", fname);
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f = fopen(fname, "r");
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if (f == NULL) {
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printf("%s does not exist - cannot validate CAVP SHAVS test vectors\n",
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fname);
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return 0;
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}
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while (fgets(buf, sizeof(buf), f)) {
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pos = os_strchr(buf, '=');
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if (pos == NULL)
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continue;
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pos2 = pos - 1;
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while (pos2 >= buf && *pos2 == ' ')
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*pos2-- = '\0';
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*pos++ = '\0';
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while (*pos == ' ')
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*pos++ = '\0';
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pos2 = os_strchr(pos, '\r');
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if (!pos2)
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pos2 = os_strchr(pos, '\n');
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if (pos2)
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*pos2 = '\0';
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else
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pos2 = pos + os_strlen(pos);
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if (os_strcmp(buf, "Len") == 0) {
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msg_len = atoi(pos);
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} else if (os_strcmp(buf, "Msg") == 0) {
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tmp_len = os_strlen(pos);
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if (msg_len == 0 && tmp_len == 2)
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tmp_len = 0;
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if (msg_len != tmp_len * 4) {
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printf("Unexpected Msg length (msg_len=%u tmp_len=%u, Msg='%s'\n",
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msg_len, tmp_len, pos);
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ret++;
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break;
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}
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if (hexstr2bin(pos, msg, msg_len / 8) < 0) {
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printf("Invalid hex string '%s'\n", pos);
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ret++;
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break;
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}
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} else if (os_strcmp(buf, "MD") == 0) {
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const u8 *addr[1];
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size_t len[1];
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tmp_len = os_strlen(pos);
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if (tmp_len != 2 * 32) {
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printf("Unexpected MD length (MD='%s'\n",
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pos);
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ret++;
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break;
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}
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if (hexstr2bin(pos, md, 32) < 0) {
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printf("Invalid hex string '%s'\n", pos);
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ret++;
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break;
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}
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addr[0] = msg;
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len[0] = msg_len / 8;
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if (sha256_vector(1, addr, len, hash) < 0 ||
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os_memcmp(hash, md, 32) != 0)
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ret++;
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else
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ok++;
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}
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}
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fclose(f);
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if (ret)
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printf("Test case failed\n");
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else
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printf("%d test vectors OK\n", ok);
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return ret;
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}
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int main(int argc, char *argv[])
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{
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int errors = 0;
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if (cavp_shavs("CAVP/SHA256ShortMsg.rsp"))
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errors++;
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if (cavp_shavs("CAVP/SHA256LongMsg.rsp"))
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errors++;
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return errors;
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}
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