cloudflare
diff --git a/‎kem/sike/doc.go
+8-1 b/‎kem/sike/doc.go
+8-1
diff --git a/‎kem/sike/sikep434/sike.go
+13-1 b/‎kem/sike/sikep434/sike.go
+13-1
diff --git a/‎kem/sike/sikep503/sike.go
+13-1 b/‎kem/sike/sikep503/sike.go
+13-1
diff --git a/‎kem/sike/sikep751/sike.go
+13-1 b/‎kem/sike/sikep751/sike.go
+13-1
diff --git a/‎kem/sike/templates/pkg.templ.go
+14-1 b/‎kem/sike/templates/pkg.templ.go
+14-1
@@ -1,4 +1,11 @@
 //go:generate go run gen.go
 
-// Package sike contains the SIKE key encapsulation mechanism.
+// Package sike is deprecated, it contains the SIKE key encapsulation mechanism.
+//
+// DEPRECATION NOTICE
+//
+// SIDH and SIKE are deprecated as were shown vulnerable to a key recovery
+// attack by Castryck-Decru's paper (https://eprint.iacr.org/2022/975). New
+// systems should not rely on this package. This package is frozen.
+//
 package sike