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Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +01001/* BEGIN_HEADER */
Manuel Pégourié-Gonnard7f809972015-03-09 17:05:11 +00002#include "mbedtls/hmac_drbg.h"
Mohammad Azim Khan67735d52017-04-06 11:55:43 +01003#include "string.h"
Rich Evans00ab4702015-02-06 13:43:58 +00004
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +01005typedef struct
6{
7 unsigned char *p;
8 size_t len;
9} entropy_ctx;
10
Reut Caspie278b362017-10-19 08:49:19 +010011static int mbedtls_test_entropy_func( void *data, unsigned char *buf, size_t len )
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +010012{
13 entropy_ctx *ctx = (entropy_ctx *) data;
14
15 if( len > ctx->len )
16 return( -1 );
17
18 memcpy( buf, ctx->p, len );
19
20 ctx->p += len;
21 ctx->len -= len;
22
23 return( 0 );
24}
25/* END_HEADER */
26
27/* BEGIN_DEPENDENCIES
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020028 * depends_on:MBEDTLS_HMAC_DRBG_C
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +010029 * END_DEPENDENCIES
30 */
31
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010032/* BEGIN_CASE */
33void hmac_drbg_entropy_usage( int md_alg )
34{
35 unsigned char out[16];
36 unsigned char buf[1024];
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020037 const mbedtls_md_info_t *md_info;
38 mbedtls_hmac_drbg_context ctx;
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010039 entropy_ctx entropy;
40 size_t last_len, i, reps = 10;
41
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +020042 mbedtls_hmac_drbg_init( &ctx );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010043 memset( buf, 0, sizeof( buf ) );
44 memset( out, 0, sizeof( out ) );
45
46 entropy.len = sizeof( buf );
47 entropy.p = buf;
48
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020049 md_info = mbedtls_md_info_from_type( md_alg );
Paul Bakker94b916c2014-04-17 16:07:20 +020050 TEST_ASSERT( md_info != NULL );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010051
52 /* Init must use entropy */
53 last_len = entropy.len;
Reut Caspie278b362017-10-19 08:49:19 +010054 TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &entropy,
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010055 NULL, 0 ) == 0 );
56 TEST_ASSERT( entropy.len < last_len );
57
58 /* By default, PR is off and reseed_interval is large,
59 * so the next few calls should not use entropy */
60 last_len = entropy.len;
61 for( i = 0; i < reps; i++ )
62 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020063 TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) - 4 ) == 0 );
64 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, out, sizeof( out ) - 4,
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010065 buf, 16 ) == 0 );
66 }
67 TEST_ASSERT( entropy.len == last_len );
68
69 /* While at it, make sure we didn't write past the requested length */
70 TEST_ASSERT( out[sizeof( out ) - 4] == 0 );
71 TEST_ASSERT( out[sizeof( out ) - 3] == 0 );
72 TEST_ASSERT( out[sizeof( out ) - 2] == 0 );
73 TEST_ASSERT( out[sizeof( out ) - 1] == 0 );
74
75 /* Set reseed_interval to the number of calls done,
76 * so the next call should reseed */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020077 mbedtls_hmac_drbg_set_reseed_interval( &ctx, 2 * reps );
78 TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010079 TEST_ASSERT( entropy.len < last_len );
80
81 /* The new few calls should not reseed */
82 last_len = entropy.len;
83 for( i = 0; i < reps / 2; i++ )
84 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020085 TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
86 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, out, sizeof( out ) ,
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010087 buf, 16 ) == 0 );
88 }
89 TEST_ASSERT( entropy.len == last_len );
90
91 /* Now enable PR, so the next few calls should all reseed */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020092 mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
93 TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010094 TEST_ASSERT( entropy.len < last_len );
95
96 /* Finally, check setting entropy_len */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020097 mbedtls_hmac_drbg_set_entropy_len( &ctx, 42 );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +010098 last_len = entropy.len;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020099 TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100100 TEST_ASSERT( (int) last_len - entropy.len == 42 );
101
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200102 mbedtls_hmac_drbg_set_entropy_len( &ctx, 13 );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100103 last_len = entropy.len;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200104 TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100105 TEST_ASSERT( (int) last_len - entropy.len == 13 );
Paul Bakkerbd51b262014-07-10 15:26:12 +0200106
107exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200108 mbedtls_hmac_drbg_free( &ctx );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100109}
110/* END_CASE */
111
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200112/* BEGIN_CASE depends_on:MBEDTLS_FS_IO */
Manuel Pégourié-Gonnard48bc3e82014-01-30 21:11:16 +0100113void hmac_drbg_seed_file( int md_alg, char *path, int ret )
114{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200115 const mbedtls_md_info_t *md_info;
116 mbedtls_hmac_drbg_context ctx;
Manuel Pégourié-Gonnard48bc3e82014-01-30 21:11:16 +0100117
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +0200118 mbedtls_hmac_drbg_init( &ctx );
119
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200120 md_info = mbedtls_md_info_from_type( md_alg );
Paul Bakker94b916c2014-04-17 16:07:20 +0200121 TEST_ASSERT( md_info != NULL );
122
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +0200123 TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, rnd_std_rand, NULL,
Manuel Pégourié-Gonnard48bc3e82014-01-30 21:11:16 +0100124 NULL, 0 ) == 0 );
125
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200126 TEST_ASSERT( mbedtls_hmac_drbg_write_seed_file( &ctx, path ) == ret );
127 TEST_ASSERT( mbedtls_hmac_drbg_update_seed_file( &ctx, path ) == ret );
Manuel Pégourié-Gonnard48bc3e82014-01-30 21:11:16 +0100128
Paul Bakkerbd51b262014-07-10 15:26:12 +0200129exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200130 mbedtls_hmac_drbg_free( &ctx );
Manuel Pégourié-Gonnard48bc3e82014-01-30 21:11:16 +0100131}
132/* END_CASE */
133
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100134/* BEGIN_CASE */
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100135void hmac_drbg_buf( int md_alg )
136{
137 unsigned char out[16];
138 unsigned char buf[100];
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200139 const mbedtls_md_info_t *md_info;
140 mbedtls_hmac_drbg_context ctx;
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100141 size_t i;
142
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +0200143 mbedtls_hmac_drbg_init( &ctx );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100144 memset( buf, 0, sizeof( buf ) );
145 memset( out, 0, sizeof( out ) );
146
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200147 md_info = mbedtls_md_info_from_type( md_alg );
Paul Bakker94b916c2014-04-17 16:07:20 +0200148 TEST_ASSERT( md_info != NULL );
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +0200149 TEST_ASSERT( mbedtls_hmac_drbg_seed_buf( &ctx, md_info, buf, sizeof( buf ) ) == 0 );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100150
151 /* Make sure it never tries to reseed (would segfault otherwise) */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200152 mbedtls_hmac_drbg_set_reseed_interval( &ctx, 3 );
153 mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100154
155 for( i = 0; i < 30; i++ )
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200156 TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100157
Paul Bakkerbd51b262014-07-10 15:26:12 +0200158exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200159 mbedtls_hmac_drbg_free( &ctx );
Manuel Pégourié-Gonnard4f880a52014-01-30 22:39:42 +0100160}
161/* END_CASE */
162
163/* BEGIN_CASE */
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100164void hmac_drbg_no_reseed( int md_alg,
165 char *entropy_hex, char *custom_hex,
166 char *add1_hex, char *add2_hex,
167 char *output_hex )
168{
Manuel Pégourié-Gonnarde6cdbbd2014-02-01 11:30:03 +0100169 unsigned char data[1024];
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100170 unsigned char entropy[512];
171 unsigned char custom[512];
172 unsigned char add1[512];
173 unsigned char add2[512];
174 unsigned char output[512];
175 unsigned char my_output[512];
176 size_t custom_len, add1_len, add2_len, out_len;
177 entropy_ctx p_entropy;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200178 const mbedtls_md_info_t *md_info;
179 mbedtls_hmac_drbg_context ctx;
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100180
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +0200181 mbedtls_hmac_drbg_init( &ctx );
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100182 memset( my_output, 0, sizeof my_output );
183
184 custom_len = unhexify( custom, custom_hex );
185 add1_len = unhexify( add1, add1_hex );
186 add2_len = unhexify( add2, add2_hex );
187 out_len = unhexify( output, output_hex );
188 p_entropy.len = unhexify( entropy, entropy_hex );
189 p_entropy.p = entropy;
190
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200191 md_info = mbedtls_md_info_from_type( md_alg );
Paul Bakker94b916c2014-04-17 16:07:20 +0200192 TEST_ASSERT( md_info != NULL );
Manuel Pégourié-Gonnarde6cdbbd2014-02-01 11:30:03 +0100193
194 /* Test the simplified buffer-based variant */
195 memcpy( data, entropy, p_entropy.len );
196 memcpy( data + p_entropy.len, custom, custom_len );
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +0200197 TEST_ASSERT( mbedtls_hmac_drbg_seed_buf( &ctx, md_info,
Manuel Pégourié-Gonnarde6cdbbd2014-02-01 11:30:03 +0100198 data, p_entropy.len + custom_len ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200199 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
Manuel Pégourié-Gonnarde6cdbbd2014-02-01 11:30:03 +0100200 add1, add1_len ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200201 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
Manuel Pégourié-Gonnarde6cdbbd2014-02-01 11:30:03 +0100202 add2, add2_len ) == 0 );
Paul Bakkerbd51b262014-07-10 15:26:12 +0200203
204 /* clear for second run */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200205 mbedtls_hmac_drbg_free( &ctx );
Manuel Pégourié-Gonnarde6cdbbd2014-02-01 11:30:03 +0100206
207 TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
208
209 /* And now the normal entropy-based variant */
Reut Caspie278b362017-10-19 08:49:19 +0100210 TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100211 custom, custom_len ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200212 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100213 add1, add1_len ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200214 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100215 add2, add2_len ) == 0 );
Manuel Pégourié-Gonnard24600b72014-01-31 09:54:14 +0100216 TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
Manuel Pégourié-Gonnarde6cdbbd2014-02-01 11:30:03 +0100217
Paul Bakkerbd51b262014-07-10 15:26:12 +0200218exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200219 mbedtls_hmac_drbg_free( &ctx );
Manuel Pégourié-Gonnard24600b72014-01-31 09:54:14 +0100220}
221/* END_CASE */
222
223/* BEGIN_CASE */
224void hmac_drbg_nopr( int md_alg,
225 char *entropy_hex, char *custom_hex,
226 char *add1_hex, char *add2_hex, char *add3_hex,
227 char *output_hex )
228{
229 unsigned char entropy[512];
230 unsigned char custom[512];
231 unsigned char add1[512];
232 unsigned char add2[512];
233 unsigned char add3[512];
234 unsigned char output[512];
235 unsigned char my_output[512];
236 size_t custom_len, add1_len, add2_len, add3_len, out_len;
237 entropy_ctx p_entropy;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200238 const mbedtls_md_info_t *md_info;
239 mbedtls_hmac_drbg_context ctx;
Manuel Pégourié-Gonnard24600b72014-01-31 09:54:14 +0100240
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +0200241 mbedtls_hmac_drbg_init( &ctx );
Manuel Pégourié-Gonnard24600b72014-01-31 09:54:14 +0100242 memset( my_output, 0, sizeof my_output );
243
244 custom_len = unhexify( custom, custom_hex );
245 add1_len = unhexify( add1, add1_hex );
246 add2_len = unhexify( add2, add2_hex );
247 add3_len = unhexify( add3, add3_hex );
248 out_len = unhexify( output, output_hex );
249 p_entropy.len = unhexify( entropy, entropy_hex );
250 p_entropy.p = entropy;
251
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200252 md_info = mbedtls_md_info_from_type( md_alg );
Paul Bakker94b916c2014-04-17 16:07:20 +0200253 TEST_ASSERT( md_info != NULL );
254
Reut Caspie278b362017-10-19 08:49:19 +0100255 TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
Manuel Pégourié-Gonnard24600b72014-01-31 09:54:14 +0100256 custom, custom_len ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200257 TEST_ASSERT( mbedtls_hmac_drbg_reseed( &ctx, add1, add1_len ) == 0 );
258 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
Manuel Pégourié-Gonnard24600b72014-01-31 09:54:14 +0100259 add2, add2_len ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200260 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
Manuel Pégourié-Gonnard24600b72014-01-31 09:54:14 +0100261 add3, add3_len ) == 0 );
Manuel Pégourié-Gonnard24600b72014-01-31 09:54:14 +0100262
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100263 TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
264
Paul Bakkerbd51b262014-07-10 15:26:12 +0200265exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200266 mbedtls_hmac_drbg_free( &ctx );
Manuel Pégourié-Gonnard6801f392014-01-30 17:22:14 +0100267}
268/* END_CASE */
269
Manuel Pégourié-Gonnard62273b82014-01-31 10:16:57 +0100270/* BEGIN_CASE */
271void hmac_drbg_pr( int md_alg,
272 char *entropy_hex, char *custom_hex,
273 char *add1_hex, char *add2_hex,
274 char *output_hex )
275{
276 unsigned char entropy[512];
277 unsigned char custom[512];
278 unsigned char add1[512];
279 unsigned char add2[512];
280 unsigned char output[512];
281 unsigned char my_output[512];
282 size_t custom_len, add1_len, add2_len, out_len;
283 entropy_ctx p_entropy;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200284 const mbedtls_md_info_t *md_info;
285 mbedtls_hmac_drbg_context ctx;
Manuel Pégourié-Gonnard62273b82014-01-31 10:16:57 +0100286
Manuel Pégourié-Gonnardf9e94812015-04-28 22:07:14 +0200287 mbedtls_hmac_drbg_init( &ctx );
Manuel Pégourié-Gonnard62273b82014-01-31 10:16:57 +0100288 memset( my_output, 0, sizeof my_output );
289
290 custom_len = unhexify( custom, custom_hex );
291 add1_len = unhexify( add1, add1_hex );
292 add2_len = unhexify( add2, add2_hex );
293 out_len = unhexify( output, output_hex );
294 p_entropy.len = unhexify( entropy, entropy_hex );
295 p_entropy.p = entropy;
296
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200297 md_info = mbedtls_md_info_from_type( md_alg );
Paul Bakker94b916c2014-04-17 16:07:20 +0200298 TEST_ASSERT( md_info != NULL );
299
Reut Caspie278b362017-10-19 08:49:19 +0100300 TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
Manuel Pégourié-Gonnard62273b82014-01-31 10:16:57 +0100301 custom, custom_len ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200302 mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
303 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
Manuel Pégourié-Gonnard62273b82014-01-31 10:16:57 +0100304 add1, add1_len ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200305 TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
Manuel Pégourié-Gonnard62273b82014-01-31 10:16:57 +0100306 add2, add2_len ) == 0 );
Manuel Pégourié-Gonnard62273b82014-01-31 10:16:57 +0100307
308 TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
Paul Bakkerbd51b262014-07-10 15:26:12 +0200309
310exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200311 mbedtls_hmac_drbg_free( &ctx );
Manuel Pégourié-Gonnard62273b82014-01-31 10:16:57 +0100312}
313/* END_CASE */
314
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200315/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
Manuel Pégourié-Gonnard79afaa02014-01-31 11:12:09 +0100316void hmac_drbg_selftest( )
317{
Andres AG93012e82016-09-09 09:10:28 +0100318 TEST_ASSERT( mbedtls_hmac_drbg_self_test( 1 ) == 0 );
Manuel Pégourié-Gonnard79afaa02014-01-31 11:12:09 +0100319}
320/* END_CASE */