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Topic: Blowfish encryption algorithm


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In the News (Fri 18 Dec 09)

  
  Blowfish
Blowfish was designed in 1993 by Bruce Schneier as a fast, free alternative to existing encryption algorithms.
Blowfish is unpatented and license-free, and is available free for all uses.
For Blowfish implementors, here are the hexadecimal digits of pi, arranged as four s_boxes and one p_array, as per the Blowfish default.
www.schneier.com /blowfish.html   (449 words)

  
  Blowfish (cipher) - Wikipedia, the free encyclopedia
Schneier designed Blowfish as a general-purpose algorithm, intended as a replacement for the aging DES and free of the problems associated with other algorithms.
Blowfish has a 64-bit block size and a key length of anywhere from 32 bits to 448 bits.
Blowfish is one of the fastest block ciphers in widespread use, except when changing keys.
en.wikipedia.org /wiki/Blowfish_(cipher)   (894 words)

  
 Blowfish Encryption Algorithm
DES [16], the workhorse encryption algorithm for the past fifteen years, is nearing the end of its useful life.
While it may not be possible to satisfy all requirements with a single algorithm, it may be possible to satisfy them with a family of algorithms based on the same cryptographic principles.
A standard encryption algorithm must be implementable on a variety of different platforms, each with their own requirements.
www.finecrypt.net /blowfish.html   (4054 words)

  
 Blowfish Encryption - First Backup Online Backup Service provides low-cost remote backup, secure offsite backup, ...   (Site not responding. Last check: 2007-11-01)
Blowfish is classified as public domain; as such it has been analyzed extensively and gone through years of peer review.
Bruce Schneier, creator of the Blowfish encryption algorithm, has calculated that according to what we know of quantum mechanics today, that the entire energy output of the sun is insufficient to break a 197-bit key.
Encryption speed, key strength and extensive peer review of the algorithm were the key motivating factors behind the decision to utilize Blowfish encryption.
www.firstbackup.com /Product/Features/blowfish.asp   (476 words)

  
 Able Encryption Software. Safe Soft Corporation. Information Security Glossary   (Site not responding. Last check: 2007-11-01)
Encryption is done on a computer by transforming the information to be encrypted (plaintext) using a key and producing ciphertext.
This is an encryption algorithm where the same key is used for both encryption and decryption (unlike asymmetric where different keys are used).
The key used in a symmetric algorithm is often called a secret key because it has to be kept secret by all users of the system, unlike a public key that has to be made available to everyone.
www.abensoft.com /glossary.htm   (2118 words)

  
 The Blowfish Encryption Algorithm with Java Source Code (Cryptography)
Blowfish is a block cipher that encrypts data in 8-byte blocks.
Because the Blowfish cipher engine is designed to handle two 32-bit blocks, this method's purpose is to transform on entry and exit the data to/from 32-bit blocks; ie.
This method, outputs the result in a byte array form, suitable for the user data encryption operations, while BF_encrypt outputs its result as an int array suitable for, and used during, the expansion of the user-key into a Blowfish session key.
www.angelfire.com /moon/dmp   (1458 words)

  
 Blowfish encryption
Blowfish is a keyed, symmetric cryptographic block cipher designed by Bruce Schneier in 1993 and placed in the public domain.
Blowfish is included in a large number of cipher suites and encryption products, including SplashID.
Blowfish is also one of the fastest block ciphers in public use, making it ideal for a product like SplashID that functions on a wide variety of processors found in mobile phones as well as in notebook and desktop computers.
www.splashdata.com /splashid/blowfish.htm   (509 words)

  
 Online Data Backup and Remote Backup Servers FAQ
All files are encrypted using Blowfish encryption, which is selected by the user with their own personal encryption code, and is only known by the user of the system.
Blowfish is used by the federal banking system, and has never been broken by a hacker.
Blowfish is a 64-bit block cipher with a key length of between 32 and 448 bits.
www.yournew.com /data_backup_faq.cfm   (1041 words)

  
 Digi Blowfish Encryption Software   (Site not responding. Last check: 2007-11-01)
Digi Blowfish uses the fastest Blowfish Encryption algorithm to encrypt text and files.
Blowfish has been around a long time, and while no encryption is completely unbreakable, Blowfish is amongst the top for speed and reliability.
The worst that would happen is that you forget your encryption key and are unable to decrypt your data, so test it on backed up or unimportant files.
www.digitalusmedia.com /go/digiblowfish-prerelease-software.html   (233 words)

  
 What is Blowfish? - A Word Definition From the Webopedia Computer Dictionary   (Site not responding. Last check: 2007-11-01)
A symmetric encryption algorithm designed by Bruce Schneier in 1993 as an alternative to existing encryption algorithms, such as DES.
Blowfish is a 64-bit block cipher (i.e., a cryptographic key and algorithm are applied to a block of data rather than single bits) that uses a key length that can vary between 32 and 448 bits.
Blowfish is available for free use by any, and the technology is unpatented and free of license.
www.webopedia.com /TERM/B/Blowfish.html   (122 words)

  
 encrypt_file/3
The last argument determines how the encryption key is stored and if the user that decrypts the file may store the key or must always enter the key.
The blowfish encryption algorithm is used to encrypt the files, a key size of 128 bits is used to encrypt the data.
The blowfish encryption algorithm is free to use, there are no patents restraining its use and also no export restrictions, it was introduced by Bruce Schneier in 1994.
www.trinc-prolog.com /doc/pl_p239.htm   (527 words)

  
 Alogrithms used in ABI- CODER   (Site not responding. Last check: 2007-11-01)
Blowfish is a symmetric block cipher that can be used as a drop-in replacement for DES or IDEA.
Triple DES is a secure variation of the Data Encryption Standards first developed by IBM, and later in 1977 adopted by the U.S. government.
The DES algorithm is still widely used and is still considered reasonably secure.
www.abisoft.net /algorithm.html   (270 words)

  
 Cryptit - The Blowfish based encryptiuon freeware
Since the program will perform both encryption and decryption, either of the two "direction" flags must be explicitly given: /e to e(ncrypt) or /d to d(ecrypt).
Technically, CRYPTIT is a 64-bit block cipher (Blowfish) implemented in Cipher Block Chaining (CBC) mode, using an execution-specific random Initialization Vector (IV), and a trailer in which a count of random bytes overcomes a possible short-block at the end of the plaintext.
In this step, a simple encryption operation is done on the input Plaintext and in the deciphering process, the same thing is done.
www.angelfire.com /mac/dhanush2k/CryptIt.htm   (1699 words)

  
 Encryption Options Beyond DES   (Site not responding. Last check: 2007-11-01)
Virtually all conventional block encryption algorithms, including DES, have a structure first described by Horst Feistel of IBM in 1973, and is shown schematically in Figure 2.
The inputs to the encryption algorithm are a plaintext block of length 2w bits and a key K.
Blowfish was developed in 1993 by Bruce Schneier, an independent consultant and cryptographer, and quickly became one of the most popular alternatives to DES.
www.commsdesign.com /main/9811/9811feat3.htm   (2795 words)

  
 Cypherix™ Products - SecureIT File Encryption Software
Open source secure algorithm - Secure IT uses a non-proprietary, open source, public domain encryption algorithm, Blowfish, at a key strength of 448 bits.
Blowfish is one of the strongest cryptographic algorithms in existence.
Group a series of encryption and decryption commands in a single or multiple batch files.
www.cypherix.co.uk /secureit2000/index.htm   (460 words)

  
 Dr. Dobb's | The Blowfish Encryption Algorithm | July 22, 2001
The Blowfish block-cipher algorithm, which encrypts data one 64-bit block at a time, is divided into key-expansion and a data-encryption parts.
Blowfish uses a large number of subkeys that must be precomputed before any data encryption or decryption.
The underlying philosophy behind Blowfish is that simplicity of design yields an algorithm that is easier both to understand and to implement.
www.ddj.com /184409216?pgno=5   (1720 words)

  
 NetAction's Guide to Encryption: Appendices A and B
Modern strong encryption should be able to hold off all but the best-funded efforts by crackers with lots and lots of time on their hands.
The complexity of these algorithms prevents us from describing their workings in-depth in a guide intended for readers with limited technical knowledge of encryption, but here are some links and names that may be useful if you want to know more about the technical aspects of encryption software.
Blowfish is a block cipher that employs the asymmetric key model.
www.netaction.org /encrypt/appendix.html   (1618 words)

  
 Blowfish Encryption   (Site not responding. Last check: 2007-11-01)
Omnis Studio supports the Blowfish encryption algorithm via a non-visual external object which you can use in code to provide a layer of security.
Blowfish is a fast and freely available encryption algorithm created by Counterpane (www.counterpane.com).
To create an encryption object, you should create an object variable and specify the Blowfish object as the subtype of the variable.
www.omnis.net /mancontent/programming/blowfish_encryption.htm   (161 words)

  
 Blowfish Encryption Algorithm
The blowfish encryption algorithm is a symmetric encryption algorithm designed by Bruce Schneier in 1993 as an alternative to existing encryption algorithms, such as DES.
The blowfish encryption algorithm is a 64-bit block cipher (i.e., a cryptographic key and algorithm are applied to a block of data rather than single bits) that uses a key length that can vary between 32 and 448 bits.
Blowfish is available for free use by any, and the technology is unpatented and free of license.
www.handybackup.net /backup_terms/blowfish_encryption_algorithm.shtml   (133 words)

  
 APPX Router - Session Encryption
Encryption is a separately licensed feature of Across the Boards and pcMAINFRAME, available only in the United States.
Encryption is provided by enhancements to the APPX/TCP device drivers, and loadable encryption modules.
For example, users accessing a host application from outside the company might be required to encryption, but encryption might be optional for internal users.
www.cfsoftware.com /p/r-encrypt.html   (452 words)

  
 Blowfish v1.1 - Blowfish Encryption Algorithm   (Site not responding. Last check: 2007-11-01)
Blowfish (Turbo) Pascal implementation of the Blowfish encryption algorithm as described in Dr Dobb's magazine of April 1994.
Including sources of the unit, an programming example and the original C version, written by Bruce Schneier, the author of the algorithm.
The author of the Blowfish algorithm can be reached via the internet as schneier@chinet.com, the authors of this unit have the following Fidonet addresses: Erik Cumps 2:292/608.24 Walter van.Holst 2:281/201.4 Jeroen Pluimers 2:281/256 Thanks to John Lots for helping with the first steps to im- plement crucial parts in i386 assembler.
pascal.sources.ru /crypt/blowpas.htm   (499 words)

  
 Free Blowfish Downloads
Encryption is done using one of over 20 algorithms like Twofish, Cast128, Blowfish or Shaphire II.
A special algorithm is used for secure erase that overwrites every bit of information with a random number of layers of data.
JvCrypt is a powerful encryption and compression utility that allows you to create encrypted files and text messages with up to 448-bit encryption using the advanced Blowfish encryption algorithm.
www.filesweb.com /blowfish   (1298 words)

  
 Software Design - BlowFish for Windows by Gregory Braun
BlowFish 2000 is subject to United States export controls.
BlowFish 2000 may not be downloaded or otherwise exported or re-exported: into (or to a national or resident of) Afghanistan, Cuba, Iran, Iraq, Libya, North Korea, Sudan, Syria or any other country to which the United States has embargoed goods; or any organization or company on the United States Commerce Department's "Denied Parties List."
By downloading or using BlowFish 2000, you are agreeing to the foregoing and all applicable export control laws.
www.gregorybraun.com /BlowFish.html   (294 words)

  
 MY PRIVACY AND ENCRYPTION LINKS AND FILES
It is an 8086 assembler implementation of Lai and Massey's International Data Encryption Algorithm (IDEA) along with a Tandem Davies-Meyer hashing routine and CFB block chaining.
It seems that the CFB mode allows the use of the encryption algorithm in one direction only; even a hashing algorithm could be used for encryption with the CFB mode, although I have been told that such a system would be much slower than TinyIdea.
This, while using the same encryption routines of BLOWFISH, uses the RC5 (and RC6) key initialization scheme, starting with the hexadecimal digits of e (natural log base) -2, and adding the Fibonacci number (sometimes called the golden ratio, hence the name) for each P and S box.
www.afn.org /~afn21533/rgdprogs.htm   (4713 words)

  
 Blowfish - openSUSE
The action of Blowfish; The algorithm keeps two subkey arrays: the 18-entry P-array and four 256-entry S-boxes.
There is no effective cryptanalysis of Blowfish known publicly as of 2006, although the 64-bit block size is now considered too short, because encrypting more than 2
In 2005, Dieter Schmidt investigated the Blowfish key schedule and noted that the subkeys for the third and fourth round are independent of the first 64 bits of the user key [1].
en.opensuse.org /Blowfish   (858 words)

  
 BlowFish 2000 user opinions at Softpile.com
BlowFish is a small, easy to use, file encryption utility.
Simply drag and drop files and folders to quickly protect your sensitive documents, and then enter an encryption key to encode and decode the files you want to protect from prying eyes.
BlowFish can be configured to optionally place its program icon in the taskbar notification tray.
www.softpile.com /Utilities/Encryption/Opinions_12181.html   (77 words)

  
 Best free blowfish encryption downloads. BlowFish is a small, easy to use, file encryption utility. Utilize the latest ...
Blowfish encryption software: Quickly encrypt your sensitive files, State of the Art Encryption, Easy to use Blowfish based file encryption and more.
Encrypt Easy is a highly secure file encryption program enabling fast and simple one-click encryption and decryption of single files, folders and entire directory trees.
ShareCrypt is very easy to use and it encrypts data with strong encryption algorithms such as AES 256 bit and Blowfish 448 Bit.
www.freedownloadmanager.org /downloads/blowfish_encryption_software   (694 words)

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