Added base64 example. Lot of refactoring. (0.37.49)

examples/broken/ripemd160_example.fun

@@ -0,0 +1,23 @@
+#!/usr/bin/env fun
+
+/*
+ * Example: Using RIPEMD160 from lib/crypt/ripemd160.fun
+ *
+ * Known vectors:
+ *  - "" (empty) => 9c1185a5c5e9fc54612808977ee8f548b2258d31
+ *  - "abc"      => 8eb208f7e05d987a9b04... (full known); we verify via hex of "abc"
+ *  - "The quick brown fox jumps over the lazy dog" => 37f332f68db77bd9d7edd4969571ad671cf9dd3b
+ */
+
+#include <crypt/ripemd160.fun>
+
+r = RIPEMD160()
+
+// empty string
+print(r.ripemd160_str(""))
+
+// "abc"
+print(r.ripemd160_hex("616263"))
+
+// pangram
+print(r.ripemd160_str("The quick brown fox jumps over the lazy dog"))