Cryptography: Theory and Practice, Third Edition, by Stinson.
There will also be notes, including the old Discrete Math
notes (the
most relevant part is the algebra).

There is an
errata
list for the third edition of the textbook, maintained by the
author.

There are slides
which I used in some lectures (reused from DM11).

Information about the new hash function standard (Keccak).

Archived information from NIST about the Advanced Encryption Standard (Rijndael). Click on "Rijndael (AES
Algorithm) Information" and then on "Rijndael Specification".