I have updated the interfaces and the documentation for the assignment. The AS1_Template.tar and AS1_Template.jar files have been updated, and include the new as1.jar file. The best approach would most likely be to fetch the new jar file and replace {your_project}/lib/as1.jar .
The interfaces were compiled with Java 1.5.0 -- they should work fine with Java 1.6; if not, or if you have a different problem, let me know.
The key difference is that the block mode takes a block cipher as an input. Yes, this means that for your own testing and development, you'll have to write a simple block cipher. I won't grade that code, however.
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Spring break starts March 31. The new assignment #1 due date will be March 28th, 11:59 PM. Turnins will be enabled March 26th. I will enable a sliding scale for late turnins: the given grade will be dropped each day late by 5% (so two days is a full letter grade). The late turnin policy is limited; by April 4th there's not much point, so that will be the last day that a late turnin will be accepted without prior approval. Anything turned in after that time will not be graded. |
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