crypto: add example (#17670)

Managor · dmmqz · web-flow · commit 94f71fcc2537 · 2025-08-16T11:00:22.000-07:00
* Update crypto.md

Co-authored-by: Dylan &lt;145150333+dmmqz@users.noreply.github.com&gt;
diff --git a/pages/cisco-ios/crypto.md b/pages/cisco-ios/crypto.md
@@ -7,3 +7,11 @@
 - Generate an `rsa` key:
 
 `crypto key generate rsa`
+
+- Define a modulus for a key:
+
+`crypto key generate rsa modulus {{1024}}`
+
+- Remove all keys:
+
+`crypto key zeroize`
