1 files changed, 6 insertions, 2 deletions
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index fb03513..be6fca3 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -3672,18 +3672,22 @@ static PyTypeObject PySSLMemoryBIO_Type = {
 static PyObject *
 PySSL_RAND_add(PyObject *self, PyObject *args)
 {
-    char *buf;
+    Py_buffer view;
+    const char *buf;
     Py_ssize_t len, written;
     double entropy;
 
-    if (!PyArg_ParseTuple(args, "s#d:RAND_add", &buf, &len, &entropy))
+    if (!PyArg_ParseTuple(args, "s*d:RAND_add", &view, &entropy))
         return NULL;
+    buf = (const char *)view.buf;
+    len = view.len;
     do {
         written = Py_MIN(len, INT_MAX);
         RAND_add(buf, (int)written, entropy);
         buf += written;
         len -= written;
     } while (len);
+    PyBuffer_Release(&view);
     Py_INCREF(Py_None);
     return Py_None;
 }