Description:
Different methods of data en/decryption.
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Permutation Strengths
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Several types of keys can be used in crypto. Arrays of bits, often grouped as hexadecimal digits are quite common in contemoporary algorithms but permutations of alphabets are common in classical algorithms. Alphabet loops or even arrays of loops are also used as keys. There are still other types of keys but they are not the... more »
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Truly Secure File or Disk free space Shredding
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I am getting more confused all of the time. I have read that it is not true that most programs can truly delete with one pass only. I have read that only the Gutmann algorithm is truly secure against Forensic Hardware recovery techniques. It is a VERY LONG process of over 35 writes. What is the real truth here. It seems that incineration (obviously I... more »
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Adeona
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...So you know the IP, good luck getting ISPs or LE to get involved and track down the stolen hardware. The ISPs simply are not going to co-operate with you, and LE responses can range from "Gosh, what a raging asshole Beer Botox is" to "Idiot, go fuck yourself, you lost the goddamned thing, find it during your no job period (which apparently is... more »
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WPA2-PSK safty despite PSK compromise
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Hi, I'm wondering about WPA2 safety in the scenario of a compromised preshared key (PSK). I'm aware that the protocol is safe by today's knowledge if they key is kept secure. But what if I share the key with another person to enable that person to use my AP. Will that break confidentiality of my communication with the AP?... more »
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Algorithm Strength Scale
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Many have questioned whether cryptological strength can be adequately described. Perhaps some unknown method may be found to break a system therefore rendering it useless for serious purposes. And, different qualifiers have been advanced to champion a chosen algorithm. Well, there are only just a couple of considerations that do actually... more »
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JSH's next breakthrough
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Those dazzled by his breakthroughs in factoring and FLT who are eager to see what his next breakthrough will be might find comp.lang.java.programmer interesting. JSH has started posting there about his new project: solving the traveling salesman problem.
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Salt size
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Which size is recommended for a salt? The 'bcrypt' hash algorithm (created by OpenBSD) uses a size of 128 bits (16 bytes).
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Onko näyttely loppunut?
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Selkeä ja yksinkertainen kysymys päivän uutisannista: ______________________________ ___ A/ UFO räjähtänyt Vietnamissa. Kansa kokoilee miehen mittaisia mystisiä paloja yhä. Jostain kumman syystä asiaa ei tutusti vaietttu? Ilmeisesti syynä on se, että nykyään valtavasti ydinvoimalapäästöistämme ionisoituneet... more »
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