1 /* test_ecc_utils.h - TinyCrypt interface to common functions for ECC tests */ 2 3 /* Copyright (c) 2014, Kenneth MacKay 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * * Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24 * POSSIBILITY OF SUCH DAMAGE.*/ 25 26 /* 27 * Copyright (C) 2017 by Intel Corporation, All Rights Reserved. 28 * 29 * Redistribution and use in source and binary forms, with or without 30 * modification, are permitted provided that the following conditions are met: 31 * 32 * - Redistributions of source code must retain the above copyright notice, 33 * this list of conditions and the following disclaimer. 34 * 35 * - Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in the 37 * documentation and/or other materials provided with the distribution. 38 * 39 * - Neither the name of Intel Corporation nor the names of its contributors 40 * may be used to endorse or promote products derived from this software 41 * without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 44 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 46 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 47 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 48 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 49 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 50 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 51 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 52 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 53 * POSSIBILITY OF SUCH DAMAGE. 54 * 55 * test_ecc_utils.h -- Interface to common functions for ECC tests. 56 */ 57 58 #ifndef __TEST_ECC_UTILS_H__ 59 #define __TEST_ECC_UTILS_H__ 60 61 #include <tinycrypt/ecc_dh.h> 62 #include <tinycrypt/ecc.h> 63 #include <test_utils.h> 64 65 int hex2int (char hex); 66 67 68 /* 69 * Convert hex string to byte string 70 * Return number of bytes written to buf, or 0 on error 71 */ 72 int hex2bin(uint8_t *buf, const size_t buflen, const char *hex, 73 const size_t hexlen); 74 75 /* 76 * Convert hex string to zero-padded nanoECC scalar 77 */ 78 void string2scalar(unsigned int * scalar, unsigned int num_word32, char *str); 79 80 81 void print_ecc_scalar(const char *label, const unsigned int * p_vli, 82 unsigned int num_word32); 83 84 int check_ecc_result(const int num, const char *name, 85 const unsigned int *expected, 86 const unsigned int *computed, 87 const unsigned int num_word32, const bool verbose); 88 89 /* Test ecc_make_keys, and also as keygen part of other tests */ 90 int keygen_vectors(char **d_vec, char **qx_vec, char **qy_vec, int tests, bool verbose); 91 92 void vli_print_bytes(uint8_t *vli, unsigned int size); 93 94 95 int check_code(const int num, const char *name, const int expected, 96 const int computed, const int verbose); 97 98 99 #endif /* __TEST_ECC_UTILS_H__ */ 100 101