diff options
author | marha <marha@users.sourceforge.net> | 2015-02-22 21:39:56 +0100 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2015-02-22 21:39:56 +0100 |
commit | 462f18c7b25fe3e467f837647d07ab0a78aa8d2b (patch) | |
tree | fc8013c0a1bac05a1945846c1697e973f4c35013 /openssl/crypto/constant_time_test.c | |
parent | 36f711ee12b6dd5184198abed3aa551efb585587 (diff) | |
download | vcxsrv-462f18c7b25fe3e467f837647d07ab0a78aa8d2b.tar.gz vcxsrv-462f18c7b25fe3e467f837647d07ab0a78aa8d2b.tar.bz2 vcxsrv-462f18c7b25fe3e467f837647d07ab0a78aa8d2b.zip |
Merged origin/release (checked in because wanted to merge new stuff)
Diffstat (limited to 'openssl/crypto/constant_time_test.c')
-rw-r--r-- | openssl/crypto/constant_time_test.c | 474 |
1 files changed, 224 insertions, 250 deletions
diff --git a/openssl/crypto/constant_time_test.c b/openssl/crypto/constant_time_test.c index d9c6a44ae..d313d0c7a 100644 --- a/openssl/crypto/constant_time_test.c +++ b/openssl/crypto/constant_time_test.c @@ -1,5 +1,5 @@ /* crypto/constant_time_test.c */ -/* +/*- * Utilities for constant-time cryptography. * * Author: Emilia Kasper (emilia@openssl.org) @@ -55,276 +55,250 @@ 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(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_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; - } +{ + 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; - } +{ + 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; - } +{ + 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; - } +{ + 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; - } +{ + 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; - } +{ + 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; - } +{ + 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 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}; +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"); +{ + 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 < sizeof(test_values)/sizeof(int); ++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 < sizeof(test_values)/sizeof(int); ++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 < sizeof(test_values) / sizeof(int); ++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 < sizeof(test_values) / sizeof(int); ++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 < sizeof(signed_test_values)/sizeof(int); ++i) - { - c = signed_test_values[i]; - for (j = 0; j < sizeof(signed_test_values)/sizeof(int); ++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(signed_test_values) / sizeof(int); ++i) { + c = signed_test_values[i]; + for (j = 0; j < sizeof(signed_test_values) / sizeof(int); ++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; - } - } + 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, "ok (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; - } - } + if (!num_failed) { + fprintf(stdout, "ok (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; + } +} |