Removed unnecessary annotations

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
private constructors in utility classes

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
static final

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Deactivated Checkstyle configuration

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Replaced Date with Calendar

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Closing stream after usage

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Code cleanup, removed System.out calls

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Replaced printStackTrace with JCrypTool logger

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Removed System.err

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>