From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/test/constant_time_test.c | 268 +++++++++++++++++++++++++++++++ 1 file changed, 268 insertions(+) create mode 100644 openssl-1.1.0h/test/constant_time_test.c (limited to 'openssl-1.1.0h/test/constant_time_test.c') diff --git a/openssl-1.1.0h/test/constant_time_test.c b/openssl-1.1.0h/test/constant_time_test.c new file mode 100644 index 0000000..3ee6a81 --- /dev/null +++ b/openssl-1.1.0h/test/constant_time_test.c @@ -0,0 +1,268 @@ +/* + * Copyright 2014-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include "internal/constant_time_locl.h" +#include "e_os.h" + +#include +#include +#include + +static const unsigned int CONSTTIME_TRUE = (unsigned)(~0); +static const unsigned int CONSTTIME_FALSE = 0; +static const unsigned char CONSTTIME_TRUE_8 = 0xff; +static const unsigned char CONSTTIME_FALSE_8 = 0; + +static int test_binary_op(unsigned int (*op) (unsigned int a, unsigned int b), + const char *op_name, unsigned int a, unsigned int b, + int is_true) +{ + unsigned c = op(a, b); + if (is_true && c != CONSTTIME_TRUE) { + fprintf(stderr, "Test failed for %s(%du, %du): expected %du " + "(TRUE), got %du\n", op_name, a, b, CONSTTIME_TRUE, c); + return 1; + } else if (!is_true && c != CONSTTIME_FALSE) { + fprintf(stderr, "Test failed for %s(%du, %du): expected %du " + "(FALSE), got %du\n", op_name, a, b, CONSTTIME_FALSE, c); + return 1; + } + return 0; +} + +static int test_binary_op_8(unsigned + char (*op) (unsigned int a, unsigned int b), + const char *op_name, unsigned int a, + unsigned int b, int is_true) +{ + unsigned char c = op(a, b); + if (is_true && c != CONSTTIME_TRUE_8) { + fprintf(stderr, "Test failed for %s(%du, %du): expected %u " + "(TRUE), got %u\n", op_name, a, b, CONSTTIME_TRUE_8, c); + return 1; + } else if (!is_true && c != CONSTTIME_FALSE_8) { + fprintf(stderr, "Test failed for %s(%du, %du): expected %u " + "(FALSE), got %u\n", op_name, a, b, CONSTTIME_FALSE_8, c); + return 1; + } + return 0; +} + +static int test_is_zero(unsigned int a) +{ + unsigned int c = constant_time_is_zero(a); + if (a == 0 && c != CONSTTIME_TRUE) { + fprintf(stderr, "Test failed for constant_time_is_zero(%du): " + "expected %du (TRUE), got %du\n", a, CONSTTIME_TRUE, c); + return 1; + } else if (a != 0 && c != CONSTTIME_FALSE) { + fprintf(stderr, "Test failed for constant_time_is_zero(%du): " + "expected %du (FALSE), got %du\n", a, CONSTTIME_FALSE, c); + return 1; + } + return 0; +} + +static int test_is_zero_8(unsigned int a) +{ + unsigned char c = constant_time_is_zero_8(a); + if (a == 0 && c != CONSTTIME_TRUE_8) { + fprintf(stderr, "Test failed for constant_time_is_zero(%du): " + "expected %u (TRUE), got %u\n", a, CONSTTIME_TRUE_8, c); + return 1; + } else if (a != 0 && c != CONSTTIME_FALSE) { + fprintf(stderr, "Test failed for constant_time_is_zero(%du): " + "expected %u (FALSE), got %u\n", a, CONSTTIME_FALSE_8, c); + return 1; + } + return 0; +} + +static int test_select(unsigned int a, unsigned int b) +{ + unsigned int selected = constant_time_select(CONSTTIME_TRUE, a, b); + if (selected != a) { + fprintf(stderr, "Test failed for constant_time_select(%du, %du," + "%du): expected %du(first value), got %du\n", + CONSTTIME_TRUE, a, b, a, selected); + return 1; + } + selected = constant_time_select(CONSTTIME_FALSE, a, b); + if (selected != b) { + fprintf(stderr, "Test failed for constant_time_select(%du, %du," + "%du): expected %du(second value), got %du\n", + CONSTTIME_FALSE, a, b, b, selected); + return 1; + } + return 0; +} + +static int test_select_8(unsigned char a, unsigned char b) +{ + unsigned char selected = constant_time_select_8(CONSTTIME_TRUE_8, a, b); + if (selected != a) { + fprintf(stderr, "Test failed for constant_time_select(%u, %u," + "%u): expected %u(first value), got %u\n", + CONSTTIME_TRUE, a, b, a, selected); + return 1; + } + selected = constant_time_select_8(CONSTTIME_FALSE_8, a, b); + if (selected != b) { + fprintf(stderr, "Test failed for constant_time_select(%u, %u," + "%u): expected %u(second value), got %u\n", + CONSTTIME_FALSE, a, b, b, selected); + return 1; + } + return 0; +} + +static int test_select_int(int a, int b) +{ + int selected = constant_time_select_int(CONSTTIME_TRUE, a, b); + if (selected != a) { + fprintf(stderr, "Test failed for constant_time_select(%du, %d," + "%d): expected %d(first value), got %d\n", + CONSTTIME_TRUE, a, b, a, selected); + return 1; + } + selected = constant_time_select_int(CONSTTIME_FALSE, a, b); + if (selected != b) { + fprintf(stderr, "Test failed for constant_time_select(%du, %d," + "%d): expected %d(second value), got %d\n", + CONSTTIME_FALSE, a, b, b, selected); + return 1; + } + return 0; +} + +static int test_eq_int(int a, int b) +{ + unsigned int equal = constant_time_eq_int(a, b); + if (a == b && equal != CONSTTIME_TRUE) { + fprintf(stderr, "Test failed for constant_time_eq_int(%d, %d): " + "expected %du(TRUE), got %du\n", a, b, CONSTTIME_TRUE, equal); + return 1; + } else if (a != b && equal != CONSTTIME_FALSE) { + fprintf(stderr, "Test failed for constant_time_eq_int(%d, %d): " + "expected %du(FALSE), got %du\n", + a, b, CONSTTIME_FALSE, equal); + return 1; + } + return 0; +} + +static int test_eq_int_8(int a, int b) +{ + unsigned char equal = constant_time_eq_int_8(a, b); + if (a == b && equal != CONSTTIME_TRUE_8) { + fprintf(stderr, "Test failed for constant_time_eq_int_8(%d, %d): " + "expected %u(TRUE), got %u\n", a, b, CONSTTIME_TRUE_8, equal); + return 1; + } else if (a != b && equal != CONSTTIME_FALSE_8) { + fprintf(stderr, "Test failed for constant_time_eq_int_8(%d, %d): " + "expected %u(FALSE), got %u\n", + a, b, CONSTTIME_FALSE_8, equal); + return 1; + } + return 0; +} + +static unsigned int test_values[] = + { 0, 1, 1024, 12345, 32000, UINT_MAX / 2 - 1, + UINT_MAX / 2, UINT_MAX / 2 + 1, UINT_MAX - 1, + UINT_MAX +}; + +static unsigned char test_values_8[] = + { 0, 1, 2, 20, 32, 127, 128, 129, 255 }; + +static int signed_test_values[] = { 0, 1, -1, 1024, -1024, 12345, -12345, + 32000, -32000, INT_MAX, INT_MIN, INT_MAX - 1, + INT_MIN + 1 +}; + +int main(int argc, char *argv[]) +{ + unsigned int a, b, i, j; + int c, d; + unsigned char e, f; + int num_failed = 0, num_all = 0; + fprintf(stdout, "Testing constant time operations...\n"); + + for (i = 0; i < OSSL_NELEM(test_values); ++i) { + a = test_values[i]; + num_failed += test_is_zero(a); + num_failed += test_is_zero_8(a); + num_all += 2; + for (j = 0; j < OSSL_NELEM(test_values); ++j) { + b = test_values[j]; + num_failed += test_binary_op(&constant_time_lt, + "constant_time_lt", a, b, a < b); + num_failed += test_binary_op_8(&constant_time_lt_8, + "constant_time_lt_8", a, b, a < b); + num_failed += test_binary_op(&constant_time_lt, + "constant_time_lt_8", b, a, b < a); + num_failed += test_binary_op_8(&constant_time_lt_8, + "constant_time_lt_8", b, a, b < a); + num_failed += test_binary_op(&constant_time_ge, + "constant_time_ge", a, b, a >= b); + num_failed += test_binary_op_8(&constant_time_ge_8, + "constant_time_ge_8", a, b, + a >= b); + num_failed += + test_binary_op(&constant_time_ge, "constant_time_ge", b, a, + b >= a); + num_failed += + test_binary_op_8(&constant_time_ge_8, "constant_time_ge_8", b, + a, b >= a); + num_failed += + test_binary_op(&constant_time_eq, "constant_time_eq", a, b, + a == b); + num_failed += + test_binary_op_8(&constant_time_eq_8, "constant_time_eq_8", a, + b, a == b); + num_failed += + test_binary_op(&constant_time_eq, "constant_time_eq", b, a, + b == a); + num_failed += + test_binary_op_8(&constant_time_eq_8, "constant_time_eq_8", b, + a, b == a); + num_failed += test_select(a, b); + num_all += 13; + } + } + + for (i = 0; i < OSSL_NELEM(signed_test_values); ++i) { + c = signed_test_values[i]; + for (j = 0; j < OSSL_NELEM(signed_test_values); ++j) { + d = signed_test_values[j]; + num_failed += test_select_int(c, d); + num_failed += test_eq_int(c, d); + num_failed += test_eq_int_8(c, d); + num_all += 3; + } + } + + for (i = 0; i < sizeof(test_values_8); ++i) { + e = test_values_8[i]; + for (j = 0; j < sizeof(test_values_8); ++j) { + f = test_values_8[j]; + num_failed += test_select_8(e, f); + num_all += 1; + } + } + + if (!num_failed) { + fprintf(stdout, "success (ran %d tests)\n", num_all); + return EXIT_SUCCESS; + } else { + fprintf(stdout, "%d of %d tests failed!\n", num_failed, num_all); + return EXIT_FAILURE; + } +} -- cgit v1.2.3