First version of Threefish512-CTR with BLAKE3-MAC & a custom shamirs secret sharing port alongside C bridges with test vectors & Compilation instructions

crypto/shamirs_secret_sharing/include/genericaliasobject.h

@@ -0,0 +1,14 @@
+// Implementation of PEP 585: support list[int] etc.
+#ifndef Py_GENERICALIASOBJECT_H
+#define Py_GENERICALIASOBJECT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+PyAPI_FUNC(PyObject *) Py_GenericAlias(PyObject *, PyObject *);
+PyAPI_DATA(PyTypeObject) Py_GenericAliasType;
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_GENERICALIASOBJECT_H */