Azim Khan | ec02448 | 2017-05-09 17:20:21 +0100 | [diff] [blame] | 1 | #line 2 "suites/helpers.function" |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 2 | /*----------------------------------------------------------------------------*/ |
| 3 | /* Headers */ |
| 4 | |
Simon Butcher | edb7fd9 | 2016-05-17 13:35:51 +0100 | [diff] [blame] | 5 | #include <stdlib.h> |
| 6 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 7 | #if defined(MBEDTLS_PLATFORM_C) |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 8 | #include "mbedtls/platform.h" |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 9 | #else |
Rich Evans | 00ab470 | 2015-02-06 13:43:58 +0000 | [diff] [blame] | 10 | #include <stdio.h> |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 11 | #define mbedtls_fprintf fprintf |
Simon Butcher | 2573136 | 2016-09-30 13:11:29 +0100 | [diff] [blame] | 12 | #define mbedtls_snprintf snprintf |
| 13 | #define mbedtls_calloc calloc |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 14 | #define mbedtls_free free |
| 15 | #define mbedtls_exit exit |
Simon Butcher | b2d5dd1 | 2016-04-27 13:35:37 +0100 | [diff] [blame] | 16 | #define mbedtls_time time |
| 17 | #define mbedtls_time_t time_t |
Janos Follath | 55abc21 | 2016-04-18 18:18:48 +0100 | [diff] [blame] | 18 | #define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS |
| 19 | #define MBEDTLS_EXIT_FAILURE EXIT_FAILURE |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 20 | #endif |
| 21 | |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 22 | #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) |
| 23 | #include "mbedtls/memory_buffer_alloc.h" |
| 24 | #endif |
| 25 | |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 26 | #ifdef _MSC_VER |
| 27 | #include <basetsd.h> |
| 28 | typedef UINT32 uint32_t; |
Nicholas Wilson | 733676b | 2015-11-14 13:09:01 +0000 | [diff] [blame] | 29 | #define strncasecmp _strnicmp |
| 30 | #define strcasecmp _stricmp |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 31 | #else |
Manuel Pégourié-Gonnard | 9386664 | 2015-06-22 19:21:23 +0200 | [diff] [blame] | 32 | #include <stdint.h> |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 33 | #endif |
| 34 | |
Paul Bakker | 1934318 | 2013-08-16 13:31:10 +0200 | [diff] [blame] | 35 | #include <string.h> |
| 36 | |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 37 | #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) |
| 38 | #include <unistd.h> |
Nicholas Wilson | 2682edf | 2017-12-05 12:08:15 +0000 | [diff] [blame] | 39 | #include <strings.h> |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 40 | #endif |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 41 | |
| 42 | /*----------------------------------------------------------------------------*/ |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 43 | /* Constants */ |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 44 | |
Azim Khan | ee6c018 | 2017-05-19 17:34:17 +0100 | [diff] [blame^] | 45 | #define DEPENDENCY_SUPPORTED 0 |
| 46 | #define KEY_VALUE_MAPPING_FOUND 0 |
| 47 | #define DISPATCH_TEST_SUCCESS 0 |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 48 | |
Azim Khan | ee6c018 | 2017-05-19 17:34:17 +0100 | [diff] [blame^] | 49 | #define KEY_VALUE_MAPPING_NOT_FOUND -1 |
| 50 | #define DEPENDENCY_NOT_SUPPORTED -2 |
| 51 | #define DISPATCH_TEST_FN_NOT_FOUND -3 |
| 52 | #define DISPATCH_INVALID_TEST_DATA -4 |
| 53 | #define DISPATCH_UNSUPPORTED_SUITE -5 |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 54 | |
| 55 | |
| 56 | /*----------------------------------------------------------------------------*/ |
| 57 | /* Macros */ |
| 58 | |
| 59 | #define TEST_ASSERT( TEST ) \ |
| 60 | do { \ |
| 61 | if( ! (TEST) ) \ |
| 62 | { \ |
SimonB | 31a6c49 | 2016-05-02 21:32:44 +0100 | [diff] [blame] | 63 | test_fail( #TEST, __LINE__, __FILE__ ); \ |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 64 | goto exit; \ |
| 65 | } \ |
| 66 | } while( 0 ) |
| 67 | |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 68 | #define assert(a) if( !( a ) ) \ |
| 69 | { \ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 70 | mbedtls_fprintf( stderr, "Assertion Failed at %s:%d - %s\n", \ |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 71 | __FILE__, __LINE__, #a ); \ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 72 | mbedtls_exit( 1 ); \ |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 73 | } |
| 74 | |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 75 | /* |
| 76 | * 32-bit integer manipulation macros (big endian) |
| 77 | */ |
Paul Bakker | 5c2364c | 2012-10-01 14:41:15 +0000 | [diff] [blame] | 78 | #ifndef GET_UINT32_BE |
| 79 | #define GET_UINT32_BE(n,b,i) \ |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 80 | { \ |
Paul Bakker | 5c2364c | 2012-10-01 14:41:15 +0000 | [diff] [blame] | 81 | (n) = ( (uint32_t) (b)[(i) ] << 24 ) \ |
| 82 | | ( (uint32_t) (b)[(i) + 1] << 16 ) \ |
| 83 | | ( (uint32_t) (b)[(i) + 2] << 8 ) \ |
| 84 | | ( (uint32_t) (b)[(i) + 3] ); \ |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 85 | } |
| 86 | #endif |
| 87 | |
Paul Bakker | 5c2364c | 2012-10-01 14:41:15 +0000 | [diff] [blame] | 88 | #ifndef PUT_UINT32_BE |
| 89 | #define PUT_UINT32_BE(n,b,i) \ |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 90 | { \ |
| 91 | (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ |
| 92 | (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ |
| 93 | (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ |
| 94 | (b)[(i) + 3] = (unsigned char) ( (n) ); \ |
| 95 | } |
| 96 | #endif |
| 97 | |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 98 | |
| 99 | /*----------------------------------------------------------------------------*/ |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 100 | /* Global variables */ |
| 101 | |
Andres Amaya Garcia | 3f50f51 | 2017-10-01 16:42:29 +0100 | [diff] [blame] | 102 | |
| 103 | static struct |
| 104 | { |
| 105 | int failed; |
| 106 | const char *test; |
| 107 | const char *filename; |
| 108 | int line_no; |
| 109 | } |
| 110 | test_info; |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 111 | |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 112 | #if defined(MBEDTLS_PLATFORM_C) |
Andrzej Kurek | 1152fa8 | 2018-04-13 05:15:17 -0400 | [diff] [blame] | 113 | mbedtls_platform_context platform_ctx; |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 114 | #endif |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 115 | |
| 116 | /*----------------------------------------------------------------------------*/ |
Hanno Becker | 47deec4 | 2017-07-24 12:27:09 +0100 | [diff] [blame] | 117 | /* Helper flags for complex dependencies */ |
| 118 | |
| 119 | /* Indicates whether we expect mbedtls_entropy_init |
| 120 | * to initialize some strong entropy source. */ |
| 121 | #if defined(MBEDTLS_TEST_NULL_ENTROPY) || \ |
| 122 | ( !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) && \ |
| 123 | ( !defined(MBEDTLS_NO_PLATFORM_ENTROPY) || \ |
| 124 | defined(MBEDTLS_HAVEGE_C) || \ |
| 125 | defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \ |
| 126 | defined(ENTROPY_NV_SEED) ) ) |
Hanno Becker | d4a872e | 2017-09-07 08:09:33 +0100 | [diff] [blame] | 127 | #define ENTROPY_HAVE_STRONG |
Hanno Becker | 47deec4 | 2017-07-24 12:27:09 +0100 | [diff] [blame] | 128 | #endif |
| 129 | |
| 130 | |
| 131 | /*----------------------------------------------------------------------------*/ |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 132 | /* Helper Functions */ |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 133 | static int platform_setup() |
| 134 | { |
Andrzej Kurek | f13ca95 | 2018-04-18 04:14:31 -0400 | [diff] [blame] | 135 | int ret = 0; |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 136 | #if defined(MBEDTLS_PLATFORM_C) |
Andrzej Kurek | f13ca95 | 2018-04-18 04:14:31 -0400 | [diff] [blame] | 137 | ret = mbedtls_platform_setup( &platform_ctx ); |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 138 | #endif /* MBEDTLS_PLATFORM_C */ |
Andrzej Kurek | f13ca95 | 2018-04-18 04:14:31 -0400 | [diff] [blame] | 139 | return( ret ); |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 140 | } |
| 141 | |
| 142 | static void platform_teardown() |
| 143 | { |
| 144 | #if defined(MBEDTLS_PLATFORM_C) |
| 145 | mbedtls_platform_teardown( &platform_ctx ); |
| 146 | #endif /* MBEDTLS_PLATFORM_C */ |
| 147 | } |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 148 | |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 149 | #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) |
| 150 | static int redirect_output( FILE** out_stream, const char* path ) |
| 151 | { |
| 152 | int stdout_fd = dup( fileno( *out_stream ) ); |
| 153 | |
| 154 | if( stdout_fd == -1 ) |
| 155 | { |
| 156 | return -1; |
| 157 | } |
| 158 | |
| 159 | fflush( *out_stream ); |
| 160 | fclose( *out_stream ); |
| 161 | *out_stream = fopen( path, "w" ); |
| 162 | |
| 163 | if( *out_stream == NULL ) |
| 164 | { |
| 165 | return -1; |
| 166 | } |
| 167 | |
| 168 | return stdout_fd; |
| 169 | } |
| 170 | |
| 171 | static int restore_output( FILE** out_stream, int old_fd ) |
| 172 | { |
| 173 | fflush( *out_stream ); |
| 174 | fclose( *out_stream ); |
| 175 | |
| 176 | *out_stream = fdopen( old_fd, "w" ); |
| 177 | if( *out_stream == NULL ) |
| 178 | { |
| 179 | return -1; |
| 180 | } |
| 181 | |
| 182 | return 0; |
| 183 | } |
Simon Butcher | e019296 | 2016-10-12 23:07:30 +0100 | [diff] [blame] | 184 | |
Janos Follath | e709f7c | 2016-10-13 11:26:29 +0100 | [diff] [blame] | 185 | static void close_output( FILE* out_stream ) |
Simon Butcher | e019296 | 2016-10-12 23:07:30 +0100 | [diff] [blame] | 186 | { |
Janos Follath | e709f7c | 2016-10-13 11:26:29 +0100 | [diff] [blame] | 187 | fclose( out_stream ); |
Simon Butcher | e019296 | 2016-10-12 23:07:30 +0100 | [diff] [blame] | 188 | } |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 189 | #endif /* __unix__ || __APPLE__ __MACH__ */ |
| 190 | |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 191 | static int unhexify( unsigned char *obuf, const char *ibuf ) |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 192 | { |
| 193 | unsigned char c, c2; |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 194 | int len = strlen( ibuf ) / 2; |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 195 | assert( strlen( ibuf ) % 2 == 0 ); /* must be even number of bytes */ |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 196 | |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 197 | while( *ibuf != 0 ) |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 198 | { |
| 199 | c = *ibuf++; |
| 200 | if( c >= '0' && c <= '9' ) |
| 201 | c -= '0'; |
| 202 | else if( c >= 'a' && c <= 'f' ) |
| 203 | c -= 'a' - 10; |
| 204 | else if( c >= 'A' && c <= 'F' ) |
| 205 | c -= 'A' - 10; |
| 206 | else |
| 207 | assert( 0 ); |
| 208 | |
| 209 | c2 = *ibuf++; |
| 210 | if( c2 >= '0' && c2 <= '9' ) |
| 211 | c2 -= '0'; |
| 212 | else if( c2 >= 'a' && c2 <= 'f' ) |
| 213 | c2 -= 'a' - 10; |
| 214 | else if( c2 >= 'A' && c2 <= 'F' ) |
| 215 | c2 -= 'A' - 10; |
| 216 | else |
| 217 | assert( 0 ); |
| 218 | |
| 219 | *obuf++ = ( c << 4 ) | c2; |
| 220 | } |
| 221 | |
| 222 | return len; |
| 223 | } |
| 224 | |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 225 | static void hexify( unsigned char *obuf, const unsigned char *ibuf, int len ) |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 226 | { |
| 227 | unsigned char l, h; |
| 228 | |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 229 | while( len != 0 ) |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 230 | { |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 231 | h = *ibuf / 16; |
| 232 | l = *ibuf % 16; |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 233 | |
| 234 | if( h < 10 ) |
| 235 | *obuf++ = '0' + h; |
| 236 | else |
| 237 | *obuf++ = 'a' + h - 10; |
| 238 | |
| 239 | if( l < 10 ) |
| 240 | *obuf++ = '0' + l; |
| 241 | else |
| 242 | *obuf++ = 'a' + l - 10; |
| 243 | |
| 244 | ++ibuf; |
| 245 | len--; |
| 246 | } |
| 247 | } |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 248 | |
| 249 | /** |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 250 | * Allocate and zeroize a buffer. |
| 251 | * |
| 252 | * If the size if zero, a pointer to a zeroized 1-byte buffer is returned. |
| 253 | * |
| 254 | * For convenience, dies if allocation fails. |
| 255 | */ |
| 256 | static unsigned char *zero_alloc( size_t len ) |
| 257 | { |
| 258 | void *p; |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 259 | size_t actual_len = ( len != 0 ) ? len : 1; |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 260 | |
Manuel Pégourié-Gonnard | 7551cb9 | 2015-05-26 16:04:06 +0200 | [diff] [blame] | 261 | p = mbedtls_calloc( 1, actual_len ); |
Paul Bakker | 4d0cfe8 | 2014-07-10 14:37:36 +0200 | [diff] [blame] | 262 | assert( p != NULL ); |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 263 | |
| 264 | memset( p, 0x00, actual_len ); |
| 265 | |
| 266 | return( p ); |
| 267 | } |
| 268 | |
| 269 | /** |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 270 | * Allocate and fill a buffer from hex data. |
| 271 | * |
| 272 | * The buffer is sized exactly as needed. This allows to detect buffer |
| 273 | * overruns (including overreads) when running the test suite under valgrind. |
| 274 | * |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 275 | * If the size if zero, a pointer to a zeroized 1-byte buffer is returned. |
| 276 | * |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 277 | * For convenience, dies if allocation fails. |
| 278 | */ |
| 279 | static unsigned char *unhexify_alloc( const char *ibuf, size_t *olen ) |
| 280 | { |
| 281 | unsigned char *obuf; |
| 282 | |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 283 | *olen = strlen( ibuf ) / 2; |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 284 | |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 285 | if( *olen == 0 ) |
| 286 | return( zero_alloc( *olen ) ); |
| 287 | |
Manuel Pégourié-Gonnard | 7551cb9 | 2015-05-26 16:04:06 +0200 | [diff] [blame] | 288 | obuf = mbedtls_calloc( 1, *olen ); |
Paul Bakker | 4d0cfe8 | 2014-07-10 14:37:36 +0200 | [diff] [blame] | 289 | assert( obuf != NULL ); |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 290 | |
| 291 | (void) unhexify( obuf, ibuf ); |
| 292 | |
| 293 | return( obuf ); |
| 294 | } |
| 295 | |
| 296 | /** |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 297 | * This function just returns data from rand(). |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 298 | * Although predictable and often similar on multiple |
| 299 | * runs, this does not result in identical random on |
| 300 | * each run. So do not use this if the results of a |
| 301 | * test depend on the random data that is generated. |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 302 | * |
| 303 | * rng_state shall be NULL. |
| 304 | */ |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 305 | static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len ) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 306 | { |
Paul Bakker | f96f7b6 | 2014-04-30 16:02:38 +0200 | [diff] [blame] | 307 | #if !defined(__OpenBSD__) |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 308 | size_t i; |
| 309 | |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 310 | if( rng_state != NULL ) |
| 311 | rng_state = NULL; |
| 312 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 313 | for( i = 0; i < len; ++i ) |
| 314 | output[i] = rand(); |
Paul Bakker | f96f7b6 | 2014-04-30 16:02:38 +0200 | [diff] [blame] | 315 | #else |
| 316 | if( rng_state != NULL ) |
| 317 | rng_state = NULL; |
| 318 | |
| 319 | arc4random_buf( output, len ); |
| 320 | #endif /* !OpenBSD */ |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 321 | |
| 322 | return( 0 ); |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | /** |
| 326 | * This function only returns zeros |
| 327 | * |
| 328 | * rng_state shall be NULL. |
| 329 | */ |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 330 | static int rnd_zero_rand( void *rng_state, unsigned char *output, size_t len ) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 331 | { |
| 332 | if( rng_state != NULL ) |
| 333 | rng_state = NULL; |
| 334 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 335 | memset( output, 0, len ); |
| 336 | |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 337 | return( 0 ); |
| 338 | } |
| 339 | |
| 340 | typedef struct |
| 341 | { |
| 342 | unsigned char *buf; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 343 | size_t length; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 344 | } rnd_buf_info; |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 345 | |
| 346 | /** |
| 347 | * This function returns random based on a buffer it receives. |
| 348 | * |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 349 | * rng_state shall be a pointer to a rnd_buf_info structure. |
Manuel Pégourié-Gonnard | e670f90 | 2015-10-30 09:23:19 +0100 | [diff] [blame] | 350 | * |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 351 | * The number of bytes released from the buffer on each call to |
| 352 | * the random function is specified by per_call. (Can be between |
| 353 | * 1 and 4) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 354 | * |
| 355 | * After the buffer is empty it will return rand(); |
| 356 | */ |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 357 | static int rnd_buffer_rand( void *rng_state, unsigned char *output, size_t len ) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 358 | { |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 359 | rnd_buf_info *info = (rnd_buf_info *) rng_state; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 360 | size_t use_len; |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 361 | |
| 362 | if( rng_state == NULL ) |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 363 | return( rnd_std_rand( NULL, output, len ) ); |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 364 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 365 | use_len = len; |
| 366 | if( len > info->length ) |
| 367 | use_len = info->length; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 368 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 369 | if( use_len ) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 370 | { |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 371 | memcpy( output, info->buf, use_len ); |
| 372 | info->buf += use_len; |
| 373 | info->length -= use_len; |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 374 | } |
| 375 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 376 | if( len - use_len > 0 ) |
| 377 | return( rnd_std_rand( NULL, output + use_len, len - use_len ) ); |
| 378 | |
| 379 | return( 0 ); |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 380 | } |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 381 | |
| 382 | /** |
| 383 | * Info structure for the pseudo random function |
| 384 | * |
| 385 | * Key should be set at the start to a test-unique value. |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 386 | * Do not forget endianness! |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 387 | * State( v0, v1 ) should be set to zero. |
| 388 | */ |
| 389 | typedef struct |
| 390 | { |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 391 | uint32_t key[16]; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 392 | uint32_t v0, v1; |
| 393 | } rnd_pseudo_info; |
| 394 | |
| 395 | /** |
| 396 | * This function returns random based on a pseudo random function. |
| 397 | * This means the results should be identical on all systems. |
| 398 | * Pseudo random is based on the XTEA encryption algorithm to |
| 399 | * generate pseudorandom. |
| 400 | * |
| 401 | * rng_state shall be a pointer to a rnd_pseudo_info structure. |
| 402 | */ |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 403 | static int rnd_pseudo_rand( void *rng_state, unsigned char *output, size_t len ) |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 404 | { |
| 405 | rnd_pseudo_info *info = (rnd_pseudo_info *) rng_state; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 406 | uint32_t i, *k, sum, delta=0x9E3779B9; |
Manuel Pégourié-Gonnard | 217a29c | 2014-01-03 11:59:09 +0100 | [diff] [blame] | 407 | unsigned char result[4], *out = output; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 408 | |
| 409 | if( rng_state == NULL ) |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 410 | return( rnd_std_rand( NULL, output, len ) ); |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 411 | |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 412 | k = info->key; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 413 | |
| 414 | while( len > 0 ) |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 415 | { |
Paul Bakker | 40dd530 | 2012-05-15 15:02:38 +0000 | [diff] [blame] | 416 | size_t use_len = ( len > 4 ) ? 4 : len; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 417 | sum = 0; |
| 418 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 419 | for( i = 0; i < 32; i++ ) |
| 420 | { |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 421 | info->v0 += ( ( ( info->v1 << 4 ) ^ ( info->v1 >> 5 ) ) |
| 422 | + info->v1 ) ^ ( sum + k[sum & 3] ); |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 423 | sum += delta; |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 424 | info->v1 += ( ( ( info->v0 << 4 ) ^ ( info->v0 >> 5 ) ) |
| 425 | + info->v0 ) ^ ( sum + k[( sum>>11 ) & 3] ); |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 426 | } |
| 427 | |
Paul Bakker | 5c2364c | 2012-10-01 14:41:15 +0000 | [diff] [blame] | 428 | PUT_UINT32_BE( info->v0, result, 0 ); |
Manuel Pégourié-Gonnard | 217a29c | 2014-01-03 11:59:09 +0100 | [diff] [blame] | 429 | memcpy( out, result, use_len ); |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 430 | len -= use_len; |
Manuel Pégourié-Gonnard | 217a29c | 2014-01-03 11:59:09 +0100 | [diff] [blame] | 431 | out += 4; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 432 | } |
| 433 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 434 | return( 0 ); |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 435 | } |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 436 | |
Simon Butcher | d96924d | 2016-05-06 00:22:18 +0100 | [diff] [blame] | 437 | static void test_fail( const char *test, int line_no, const char* filename ) |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 438 | { |
Andres Amaya Garcia | 3f50f51 | 2017-10-01 16:42:29 +0100 | [diff] [blame] | 439 | test_info.failed = 1; |
| 440 | test_info.test = test; |
| 441 | test_info.line_no = line_no; |
| 442 | test_info.filename = filename; |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 443 | } |