/**
* libkeccak – Keccak-family hashing library
*
* Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libkeccak.h>
#include <stdio.h>
#include <string.h>
/**
* Test functions in <libkeccak/hex.h>
*
* @return Zero on success, -1 on error
*/
static int test_hex(void)
{
const unsigned char bindata[] = {0x04, 0x2F, 0x12, 0x83, 0xFF, 0x80, 0xA3, 0x00};
const char hexdata_upper[] = "042F1283FF80A300";
const char hexdata_lower[] = "042f1283ff80a300";
char hextest[2 * 8 + 1];
printf("Testing libkeccak_behex_lower: ");
libkeccak_behex_lower(hextest, (const char*)bindata, 8);
if (!strcmp(hextest, hexdata_lower))
printf("OK\n");
else
return printf("Fail\n"), -1;
printf("Testing libkeccak_behex_upper: ");
libkeccak_behex_upper(hextest, (const char*)bindata, 8);
if (!strcmp(hextest, hexdata_upper))
printf("OK\n");
else
return printf("Fail\n"), -1;
printf("Testing libkeccak_unhex on uppercase: ");
libkeccak_unhex(hextest, hexdata_upper);
if (!memcmp(bindata, hextest, 8 * sizeof(char)))
printf("OK\n");
else
return printf("Fail\n"), -1;
printf("Testing libkeccak_unhex on lowercase: ");
libkeccak_unhex(hextest, hexdata_lower);
if (!memcmp(bindata, hextest, 8 * sizeof(char)))
printf("OK\n");
else
return printf("Fail\n"), -1;
printf("\n");
return 0;
}
/**
* Test functions in <libkeccak/state.h>
*
* @param spec The specifications for the state
* @return Zero on success, -1 on error
*/
static int test_state(libkeccak_spec_t* restrict spec)
{
libkeccak_state_t* restrict state;
libkeccak_state_t* restrict state2;
size_t marshal_size, marshalled_size, i, n;
char* restrict marshalled_data;
if (state = libkeccak_state_create(spec), state == NULL)
return perror("libkeccak_state_initialise"), -1;
n = state->mlen / 2;
for (i = 0; i < n; i++)
state->M[state->mptr++] = (char)(i & 255);
if (state2 = libkeccak_state_duplicate(state), state2 == NULL)
return perror("libkeccak_state_duplicate"), -1;
if (state->M[state->mptr - 1] != state2->M[state2->mptr - 1])
return printf("Inconsistency found between original state and duplicate state.\n"), -1;
marshal_size = libkeccak_state_marshal_size(state2);
if (marshalled_data = malloc(marshal_size), marshalled_data == NULL)
return perror("malloc"), -1;
marshalled_size = libkeccak_state_marshal(state2, marshalled_data);
if (marshalled_size != marshal_size)
return printf("libkeccak_state_marshal returned an unexpected value.\n"), -1;
libkeccak_state_free(state);
if (state = malloc(sizeof(libkeccak_state_t)), state == NULL)
return perror("malloc"), -1;
marshalled_size = libkeccak_state_unmarshal(state, marshalled_data);
if (marshalled_size == 0)
return perror("libkeccak_state_unmarshal"), -1;
if (marshalled_size != marshal_size)
return printf("libkeccak_state_unmarshal returned an unexpected value.\n"), -1;
if (libkeccak_state_unmarshal_skip(marshalled_data) != marshal_size)
return printf("libkeccak_state_unmarshal_skip returned an unexpected value.\n"), -1;
if (state->M[state->mptr - 1] != state2->M[state2->mptr - 1])
return printf("Inconsistency found between original state and unmarshalled state.\n"), -1;
free(marshalled_data);
libkeccak_state_free(state);
libkeccak_state_free(state2);
return 0;
}
int main(void)
{
libkeccak_generalised_spec_t gspec;
libkeccak_spec_t spec;
libkeccak_generalised_spec_initialise(&gspec);
if (libkeccak_degeneralise_spec(&gspec, &spec))
return printf("libkeccak_degeneralise_spec failed with all members at automatic.\n"), 1;
printf("Resolution of default specification:\n");
printf(" bitrate: %li\n", gspec.bitrate);
printf(" capacity: %li\n", gspec.capacity);
printf(" output: %li\n", gspec.output);
printf(" state size: %li\n", gspec.state_size);
printf(" word size: %li\n", gspec.word_size);
if (gspec.word_size * 25 != gspec.state_size) return printf("Invalid information\n"), 1;
if (gspec.bitrate + gspec.capacity != gspec.state_size) return printf("Invalid information\n"), 1;
if (gspec.state_size != 1600) return printf("Incorrect information\n"), 1;
if (gspec.bitrate != gspec.output * 2) return printf("Incorrect information\n"), 1;
if (gspec.output != 512) return printf("Incorrect information\n"), 1;
printf("\n");
if (test_hex()) return 1;
if (test_state(&spec)) return 1;
return 0;
}
