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A Brief Intro To Cryptographic Hashes/MD5

2008-05-10 20:33:02 by Editor in Irongeek's Security Site
 
...Hashes/MD5 A cryptographic hash function takes an input and returns a fixed size string that corresponds to it, called a hash. Cryptographic hashes have a lot of uses, some of which are: detecting data changes, storing or generating passwords, making unique keys in databases and ensuring message integrity. This video will mostly cover...
 
Tags: cryptographic hashes, hashes, md5 hashes, message integrity, video, unique keys, intro, cryptographic hashesmd5, lot
 
 
 
 
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A Brief Intro To Cryptographic Hashes/MD5

2008-05-10 20:33:02 by Editor in Irongeek's Security Site
 
...Hashes/MD5 A cryptographic hash function takes an input and returns a fixed size string that corresponds to it, called a hash. Cryptographic hashes have a lot of uses, some of which are: detecting data changes, storing or generating passwords, making unique keys in databases and ensuring message integrity. This video will mostly cover...
 
Tags: cryptographic hashes, hashes, md5 hashes, message integrity, video, unique keys, intro, cryptographic hashesmd5, lot
 
 
 
 
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Stealing Password Hashes with Java and IE

2008-06-09 11:34:54 by Dave Lewis in Liquidmatrix Security Digest
 
...hashes with Java and Internet Exploder From Aut Disce, Aut Discede Consider for a moment the state of client-side bugs 5 or 6 years ago. Attacks such as this, a multi-stage miscellany of IE and Mediaplayer bugs that resulted in the silent delivery and installation of an executable on the target computer, no client input other than viewing a...
 
Tags: attacks, internet exploder, internet, dictionary attacks, password hashes, java, windows, post, article link
 
 
 
 
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Squirreling Backdoors Into Distribution Points

2007-12-19 22:16:35 by Chris Eng in Zero in a bit
 
...hashes for integrity checking. The minute the Xiaoyun Wang paper on MD5 collisions was released, every security practitioner in the world considered MD5 unsafe from that point forward. Even though practical attacks had not yet been formulated, the writing was on the wall. Unfortunately, the rest of the world either didnt notice or didnt care...
 
Tags: md5 collisions, md5, md5 hashes, distribution, php, execute php code, execute, code, md5 unsafe
 
 
 
 
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Encryption Presentation - .NET Developers Group - NYC Microsoft Offices - June 21st

2007-04-02 06:46:00 by Eric Marvets in The Security Samurai
 
...hashes), but will spend most of our time dealing with symmetric encryption; namely how and why you configure a symmetric algorithm to encrypt the data (ECB vs. CBC). By the end of the session, youll finally understand what an initialization vector (IV) is used for and the proper way to create and store it Dont worry if you dont understand...
 
Tags: encryption, presentation, level encryption basics, similar presentation, net developers, developers, symmetric, symmetric algorithm, symmetric encryption
 
 
 
 
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Black Hat DC 2008 Wrap-Up

The Article has images
2008-03-17 10:12:00 by Richard Bejtlich in TaoSecurity
...hashes, exploit other hosts. Find files of interest Identify special network segmented from current network but accessed via USB drive Modify USBDumper to acquire files when drive is moved from first network to special network All interesting data transferred via Immunity's "PINK" C&C channel PINK is a proxy-aware, HTTP-based C&C channel...
 
Tags: cognizance, network cognizance, network, 15th annual network, special network, web sites, web, target company, company
 
 
 
 
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NoVA Sec Meeting Memory Analysis Notes

The Article has images
2008-06-08 04:41:00 by Richard Bejtlich in TaoSecurity
...hashes do not guarantee that an "image" is accurate. They prove that it has not changed since it was acquired I just heard the brains of all the cops-turned-forensic-guys explode This post has more technical details So what's a forensic examiner to do? It turns out that one of the so-called "foundations" of digital forensics -- the...
 
Tags: george noted, george, disk drive, drive, hard drive, george cited statistics, analysis, memory analysis, george sets
 
 
 
 
 
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Sergey Zarubin, 31yo
CISSP, CCSP
Moscow, Russia