http://www.und.nodak.edu/org/crypto/crypto/ (American Cryptogram Association)

http://www.semiotics.com/crypto/index.html (monoalphabetic cryptography game on pc)

http://www.uni-mannheim.de/studorg/gahg/PGP/cryptolog1.html (A lot of links (approximately 500) on cryptography)

http://www.bletchleypark.org.uk/ (offcial Site Bletchley Park)

http://www.stegoarchive.com/ (Site specialized on the steganography, with an interesting list of software)

http://www.hermetic.com/gdlibrary/ (Transcription of the manuscript quantified founder of the company “Dawn Golden delicious”.)

http://www.pro.gov.uk/virtualmuseum/spies/default.htm (A presentation of codes and figures)

http://www.wisdom.weizmann.ac.il/~albi/cryptanalysis/ (A course online of cryptanalyse)

http://www.cs.rochester.edu/u/brown/Crypto/Crypto.html (A course online of cryptanalyse)

http://www.eskimo.com/~weidai/cryptlib.html (Dai Wei, « Crypto++ », Bibilothèque of C++ programs relating to cryptography )

http://www.umich.edu/~umich/fm-34-40-2/ (FIELD MANUAL NO 34-40-2. courses of cryptanalyse of the American army)

http://www.cryptool.com/(Freeware of help to decoding. allows also coding with many methods .)

http://www.disappearing-inc.com/ (Encyclopedia on line of the cryptographic protocols)

http://webhome.idirect.com/~jproc/crypto/crypto_hist.html(A summarized history of cryptology)

http://fly.hiwaay.net/~paul/cryptology/history.html (A history of cryptology between 1470 and 1606, at the time of Shakespeare.)

http://www.vectorsite.net/ttcode.html (Complete presentation of the cryptology from Antiquity to our days.)

http://www.gnu.org/software/classpathx/crypto/crypto.html (Programs Java of cryptography in freeware.)

http://www.antilles.k12.vi.us/math/cryptotut/home.htm (A tutoriel of cryptography on the most known figures of traditional and modern cryptography.)

http://www.trincoll.edu/depts/cpsc/cryptography/index.html (With CryptoTool, a software of coding/decoding for Macintoch.)

http://www.jjtc.com/Steganography/ (The site of an author specialized in the steganography)

http://home.att.net/~tleary/cryptolo.htm (Some algorithms of modern cryptology (RSA, MD5,…)

http://home.att.net/~tleary/cryptolo.htm (A short overflight of the cryptology of the Elizabéthaine period.)

http://www.math.ucsd.edu/~crypto/ (Useful applet java for the cryptanalyse of the figure of Vigenère and the figures monoalphabetic.)

http://www.fortunecity.com/skyscraper/coding/379/lesson1.htm (A course online of cryptology)

http://csrc.nist.gov/ (Site of the National Institute of Standards and Technology)

http://www.nsa.gov/museum/index.cfm (The museum of the “National Security Agency”)

http://www.ridex.co.uk/cryptology/ (An history very provided of cryptology)

http://members.aol.com/jpeschel/historical.htm (Enigma and some tools of cryptanalyse)

http://www.cl.cam.ac.uk/~fapp2/steganography/history.html (List old references)

http://members.aon.at/cipherclerk/ (A great quantity of applet java of coding)

http://www.math.temple.edu/~renault/cryptology/syllabus.html (Some algorithms illustrated by programs Javascript)

http://codebreaker.dids.com/index.htm (Stories on the code secret, software of cryptography. Site companion of the books that the author wrote.)

http://www.ciphersbyritter.com/ (Commercial site proposing many information on cryptography.)

http://www.codesandciphers.org.uk/ (History of the Enigma decoding in Bletchley Park)

http://home.ecn.ab.ca/~jsavard/crypto/jscrypt.htm (Very complete presentation of the figures from Antiquity to our days)

http://www.kulichki.com:8101/cryptology/ (A small course of cryptology with much of interactive programs)

http://www.simonsingh.net/The_Black_Chamber/home.html (Some figures in Javascript.)

http://www.smithsrisca.demon.co.uk/crypto-ancient.html (History of the figures and the codes.)

http://www.blueangel.demon.co.uk/crypto/ (Simulators of various machines of coding.)

http://hem.passagen.se/tan01/ (cryptography element , machines, files of the 2nd world war, cryptograms.)

http://www.esat.kuleuven.ac.be/cosic/intro/ (Illustrated lexicon in an amusing way)

http://frode.home.cern.ch/frode/crypto/index.html (Historical articles, links, but especially of the simulators of machines of coding for PC (Enigma, Nema,etc))

http://www.math.okstate.edu/~wrightd/crypt/maple/ (Programs on cryptology written in Maple)

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