CcAes doesn't throw the right exception

See #814, release log:

• c9a4b15 by @yegor256: #814 CcAes fixed
• 277f0a8 by @rultor: Merge branch '__rultor'
• 55b67f2 by @rultor: Merge branch '__rultor'
• 8e2a3ce by @t-izbassar: #782 Fix Back description and ...
• b8d6955 by @t-izbassar: #778 Add test case and todo
• 24a92eb by @yegor256: EO badge changed
• 8c469eb by @yegor256: badge new
• cbd3c8a by @t-izbassar: #782 Document Back interface i...
• c0fc037 by @rultor: Merge branch '__rultor'
• 3e8f457 by @yegor256: EO badge added
• 624eab9 by @yegor256: HTTPS for Zerocracy link
• a3086b1 by @yegor256: HTTPS for Zerocracy badge
• e3e63c2 by @rultor: Merge branch '__rultor'
• 8dc0a97 by @rultor: Merge branch '__rultor'
• dd18a24 by @yegor256: #805 fixed
• a143f09 by @t-izbassar: #781 Document Front interface ...
• de35092 by @t-izbassar: #780 Update todo description t...
• 326d41e by @skapral: #744 leaved a puzzle for remai...
• 99ffc95 by @skapral: #744 Got rid of NULL's
• 64f11eb by @skapral: Merge remote-tracking branch '...
• and 39 more...

Released by Rultor 1.67.1, see build log