Make the fallback behavior of mbedtls_test_rnd_buffer_rand optional
If a fallback is not explicitly configured in the
mbedtls_test_rnd_buf_info structure, fail after the buffer is
exhausted.
There is no intended behavior change in this commit: all existing uses
of mbedtls_test_rnd_buffer_rand() have been updated to set
mbedtls_test_rnd_std_rand as the fallback.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/suites/test_suite_pkcs1_v21.function b/tests/suites/test_suite_pkcs1_v21.function
index 97f440d..c23a4ad 100644
--- a/tests/suites/test_suite_pkcs1_v21.function
+++ b/tests/suites/test_suite_pkcs1_v21.function
@@ -18,6 +18,8 @@
mbedtls_test_rnd_buf_info info;
mbedtls_mpi N, E;
+ info.fallback_f_rng = mbedtls_test_rnd_std_rand;
+ info.fallback_p_rng = NULL;
info.buf = rnd_buf->x;
info.length = rnd_buf->len;
@@ -124,6 +126,8 @@
mbedtls_test_rnd_buf_info info;
mbedtls_mpi N, P, Q, E;
+ info.fallback_f_rng = mbedtls_test_rnd_std_rand;
+ info.fallback_p_rng = NULL;
info.buf = rnd_buf->x;
info.length = rnd_buf->len;