diff --git a/lib/psa/rse_platform.c b/lib/psa/rse_platform.c
index 9ede8b4..ffa2f48 100644
--- a/lib/psa/rse_platform.c
+++ b/lib/psa/rse_platform.c
@@ -70,4 +70,27 @@
 
 	return status;
 }
+
+psa_status_t
+rse_platform_get_entropy(uint8_t *data, size_t data_size)
+{
+	psa_status_t status;
+
+	struct rse_crypto_pack_iovec iov = {
+		.function_id = RSE_CRYPTO_GENERATE_RANDOM_SID,
+	};
+
+	psa_invec in_vec[] = {
+		{.base = &iov, .len = sizeof(struct rse_crypto_pack_iovec)},
+	};
+	psa_outvec out_vec[] = {
+		{.base = data, .len = data_size}
+	};
+
+	status = psa_call(RSE_CRYPTO_HANDLE, PSA_IPC_CALL,
+			  in_vec, IOVEC_LEN(in_vec),
+			  out_vec, IOVEC_LEN(out_vec));
+
+	return status;
+}
 #endif