Bereiche der Kryptologie

                                                              +----------------------------+
                                                              |         Kryptologie        |
                                                              +----------------------------+
                                                              /                            \
                                                             /                              \
                                                            /                                \
                                     +----------------------+                                +----------------------+
                                     |  Kryptographie       |                                |   Kryptoanalyse      |
                                     +----------------------+                                +----------------------+
                                     /        |          \                                   /            |
                                    /         |           \                                 /             |
                                   /          |            \                               /              |
               +------------------+  +---------------+  +------------------+   +---------------+  +-------------------+   
               |  symmetrische    |  | asymmetrische |  | kryptographische |   | Klassische    |  | Implementierungs- |
               |  Kryptosysteme   |  | Kryptosysteme |  | Protokolle       |   | Kryptoanalyse |  |   attacken        |
               +------------------+  +---------------+  +------------------+   +---------------+  +-------------------+
               /        |          \                                            /              \
              /         |           \                                          /                \
             /          |            \                                        /                  \
+---------------+  +---------------+  +----------------+             +---------------+         +---------------+
|  Kodierungen  |  | Stromchiffren |  | Blockchiffren  |             | analytisches  |         | Brute Force   |
|               |  |               |  |                |             |  Vorgehen     |         |               |
+---------------+  +---------------+  +----------------+             +---------------+         +---------------+