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-rw-r--r--eim/sw/trng_extractor_eim.c219
1 files changed, 0 insertions, 219 deletions
diff --git a/eim/sw/trng_extractor_eim.c b/eim/sw/trng_extractor_eim.c
deleted file mode 100644
index 711ede1..0000000
--- a/eim/sw/trng_extractor_eim.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- * trng_extractor.c
- * ----------------
- * This program extracts raw data from the avalanche_entropy, rosc_entropy,
- * and csprng cores.
- *
- * Author: Paul Selkirk
- * Copyright (c) 2015, NORDUnet A/S All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the NORDUnet nor the names of its contributors may
- * be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <ctype.h>
-
-#include "tc_eim.h"
-#include "cryptech_memory_map.h"
-
-char *usage =
-"%s [-a|r|c] [-n #] [-o file]\n\
-\n\
--a avalanche entropy\n\
--r rosc entropy\n\
--c csprng (default data source)\n\
--n number of 4-byte samples (scale with K, M, or G suffix)\n\
--o output file (defaults to stdout)\n\
-";
-
-int debug = 0; /* for dump() */
-
-
-// Check availability of avalanche entropy core by reading core name and version.
-uint32_t avalanche_check(void)
-{
- uint8_t name0[4] = AVALANCHE_ENTROPY_NAME0;
- uint8_t name1[4] = AVALANCHE_ENTROPY_NAME1;
- uint8_t version[4] = AVALANCHE_ENTROPY_VERSION;
-
- printf("Reading name and version words from avalanche_entropy core.\n");
-
- return
- tc_expected(ENTROPY1_ADDR_NAME0, name0, 4) ||
- tc_expected(ENTROPY1_ADDR_NAME1, name1, 4) ||
- tc_expected(ENTROPY1_ADDR_VERSION, version, 4);
-}
-
-
-// check availability of rosc core by reading the core name and version.
-uint32_t rosc_check(void)
-{
- uint8_t name0[4] = ROSC_ENTROPY_NAME0;
- uint8_t name1[4] = ROSC_ENTROPY_NAME1;
- uint8_t version[4] = ROSC_ENTROPY_VERSION;
-
- printf("Reading name and version words from rosc_entropy core.\n");
-
- return
- tc_expected(ENTROPY2_ADDR_NAME0, name0, 4) ||
- tc_expected(ENTROPY2_ADDR_NAME1, name1, 4) ||
- tc_expected(ENTROPY2_ADDR_VERSION, version, 4);
-}
-
-
-// Check availability of trng by reading core name and version.
-uint32_t trng_check(void)
-{
-// uint8_t name0[4] = "extn";
-// uint8_t name1[4] = "oise";
-// uint8_t version[4] = "0.10";
-//
-// if (!quiet)
-// printf("TC2: Reading name and version words from avalanche_entropy core.\n");
-//
-// return
-// tc_expected(ENTROPY1_ADDR_NAME0, name0, 4) ||
-// tc_expected(ENTROPY1_ADDR_NAME1, name1, 4) ||
-// tc_expected(ENTROPY1_ADDR_VERSION, version, 4);
-
- return (uint32_t) 0;
-}
-
-
-/* extract one data sample */
-static int extract(off_t status_addr, off_t data_addr, uint32_t *data)
-{
- if (tc_wait(status_addr, ENTROPY1_STATUS_VALID, NULL) != 0) {
- fprintf(stderr, "tc_wait failed\n");
- return 1;
- }
-
- if (tc_read(data_addr, (uint8_t *)data, 4) != 0) {
- fprintf(stderr, "tc_read failed\n");
- return 1;
- }
-
- return 0;
-}
-
-/* main */
-int main(int argc, char *argv[])
-{
- int i, opt;
- unsigned long num_words = 1;
- char *endptr;
- off_t status_addr = CSPRNG_ADDR_STATUS;
- off_t data_addr = CSPRNG_ADDR_RANDOM;
- FILE *output = stdout;
- uint32_t data;
-
- // Check that we have can talk to the trng.
- if (avalanche_check() || rosc_check() || trng_check()) {
- fprintf(stderr, "Can't properly access the trng.\n");
- return EXIT_FAILURE;
- }
-
- /* parse command line */
- while ((opt = getopt(argc, argv, "h?arcn:o:")) != -1) {
- switch (opt) {
- case 'h':
- case '?':
- printf(usage, argv[0]);
- return EXIT_SUCCESS;
- case 'a':
- status_addr = ENTROPY1_ADDR_STATUS;
- data_addr = ENTROPY1_ADDR_ENTROPY;
- break;
- case 'r':
- status_addr = ENTROPY2_ADDR_STATUS;
- data_addr = ENTROPY2_ADDR_ENTROPY;
- break;
- case 'c':
- status_addr = CSPRNG_ADDR_STATUS;
- data_addr = CSPRNG_ADDR_RANDOM;
- break;
- case 'n':
- num_words = strtoul(optarg, &endptr, 10);
- switch (toupper(*endptr)) {
- case '\0':
- break;
- case 'K':
- num_words *= 1000;
- break;
- case 'M':
- num_words *= 1000000;
- break;
- case 'G':
- num_words *= 1000000000;
- break;
- default:
- fprintf(stderr, "unsupported -n suffix %s\n", endptr);
- return EXIT_FAILURE;
- }
- break;
- case 'o':
- output = fopen(optarg, "wb+");
- if (output == NULL) {
- fprintf(stderr, "error opening output file %s: ", optarg);
- perror("");
- return EXIT_FAILURE;
- }
- break;
- default:
- errout:
- fprintf(stderr, usage, argv[0]);
- return EXIT_FAILURE;
- }
- }
- if (optind < argc) {
- fprintf(stderr, "%s: invalid argument%s --",
- argv[0], argc - optind > 1 ? "s" : "");
- do {
- fprintf(stderr, " %s", argv[optind]);
- ++optind;
- } while (optind < argc);
- fprintf(stderr, "\n");
- goto errout;
- }
-
- /* get the data */
- for (i = 0; i < num_words; ++i) {
- if (extract(status_addr, data_addr, &data) != 0)
- return EXIT_FAILURE;
- if (fwrite(&data, sizeof(data), 1, output) != 1) {
- perror("fwrite");
- fclose(output);
- return EXIT_FAILURE;
- }
- }
-
- fclose(output);
- return EXIT_SUCCESS;
-}
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