commit 34fcbfe2879c2e1f3beed265f7fb9b6c9639bafd
author Jarno Lamsa <jarno.lamsa@arm.com> Mon Aug 26 14:37:33 2019 +0300
committer Jarno Lamsa <jarno.lamsa@arm.com> Mon Sep 09 08:19:56 2019 +0300
tree bfc47f842e000169e6e00f4d41e0637d2316f617
parent 6c2f76e9cdae1b6c361238047ec909b35f3d8b8a

Add rng for the tinycrypt tests

Use rnd_std_rand for the rng.

tests/suites/test_suite_tinycrypt.function

diff --git a/tests/suites/test_suite_tinycrypt.function b/tests/suites/test_suite_tinycrypt.function
index 698058f..0691d10 100644
--- a/tests/suites/test_suite_tinycrypt.function
+++ b/tests/suites/test_suite_tinycrypt.function
@@ -4,6 +4,16 @@
 #include "tinycrypt/ecc_dh.h"
 #include "tinycrypt/ecc_dsa.h"
 
+static int uecc_rng_wrapper( uint8_t *dest, unsigned int size )
+{
+    int ret;
+    ret = rnd_std_rand( NULL, dest, size );
+    if( ret == 0 )
+        return( (int) size );
+
+    return( 0 );
+}
+
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES
@@ -23,7 +33,10 @@
 
     const struct uECC_Curve_t * curve = uECC_secp256r1();
 
+    uECC_set_rng( &uecc_rng_wrapper );
+
     TEST_ASSERT( uECC_make_key( public1, private1, curve ) != 0 );
+
     TEST_ASSERT( uECC_make_key( public2, private2, curve ) != 0 );
 
     TEST_ASSERT( uECC_shared_secret( public2, private1, secret1, curve ) != 0 );
@@ -45,6 +58,8 @@
 
     const struct uECC_Curve_t * curve = uECC_secp256r1();
 
+    uECC_set_rng( &uecc_rng_wrapper );
+
     uECC_generate_random_int( hash_words, curve->n,
                               BITS_TO_WORDS( curve->num_n_bits ) );