diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index d911d49..44c5fa2 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -865,6 +865,24 @@
     # so there's little value in running those lengthy tests here.
 }
 
+component_test_ecp_no_internal_rng () {
+    msg "build: Default plus ECP_NO_INTERNAL_RNG minus DRBG modules"
+    scripts/config.py set MBEDTLS_ECP_NO_INTERNAL_RNG
+    scripts/config.py unset MBEDTLS_CTR_DRBG_C
+    scripts/config.py unset MBEDTLS_HMAC_DRBG_C
+    scripts/config.py unset MBEDTLS_ECDSA_DETERMINISTIC # requires HMAC_DRBG
+    scripts/config.py unset MBEDTLS_PSA_CRYPTO_C # requires a DRBG
+    scripts/config.py unset MBEDTLS_PSA_CRYPTO_STORAGE_C # requires PSA Crypto
+
+    CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+    make
+
+    msg "test: ECP_NO_INTERNAL_RNG, no DRBG module"
+    make test
+
+    # no SSL tests as they all depend on having a DRBG
+}
+
 component_test_new_ecdh_context () {
     msg "build: new ECDH context (ASan build)" # ~ 6 min
     scripts/config.py unset MBEDTLS_ECDH_LEGACY_CONTEXT