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Topic: Encipher


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In the News (Fri 18 Dec 09)

  
  Encipher method and decipher method - Patent 4982429
The encipher method and the decipher method are suitable for, particularly, a 32-bit microcomputer and include a process expressed by the function Rot.sub.2 i(x) (i=2, 3, 4) in each process.
According to the foregoing encipher method to which the present invention is applied, as compared with the conventional encipherment process in the DES algorithm, the number of processes for the substitution transformation and permutation transformation can be reduced, so that the encipherment process can be executed at a high speed.
Among the processes in the foregoing encipherment process, the substitution transformations shown by P.sub.1 to P.sub.4 in the diagram and the permutation transformations shown by R.sub.1 to R.sub.3 in the diagram are the main processes.
www.freepatentsonline.com /4982429.html   (10193 words)

  
 Definition of encipher - Merriam-Webster Online Dictionary
Learn more about "encipher" and related topics at Britannica.com
Find more about "encipher" instantly with Live Search
See a map of "encipher" in the Visual Thesaurus
www.m-w.com /dictionary/encipher   (26 words)

  
  Chapter 5 -- How to encipher a problem
Please use a separate sheet of paper for each encipherment, write on one side of the paper only, and use the format employed for that cipher in "The Cryptogram".
Variations for diplomatic and commercial use are minor, but in any case the ciphers are intended for heavy traffic use with difficulty of solution appropriate to the timeliness of the enciphered message.
Methods of encipherment and decipherment must be simple, requiring few operations and putting little mental strain on the operator.
www.und.nodak.edu /org/crypto/crypto/.chap05.html   (1070 words)

  
 Reihenschieber
The first position used was the one with the lowercase letter corresponding to the last letter of the enciphered area indicator as used to slide and rotate the ten sticks.
The digits were used to encipher text using a table of twenty alphabets, organized as two tables of ten alphabets.
One digit was used per letter to be enciphered; the digit picked one of the alphabets from a table; which table was decided by whether the next digit (which will later be used to encipher another letter) was high (5-9) or low (0-4).
www.quadibloc.com /crypto/ro020105.htm   (952 words)

  
 [No title]
A calculator to encipher and decipher using the Hill and RSA algorithms.
Enciphering: Type either numbers (between 0 and 25) or letters in the cells labelled "plain" and press the "encipher" button.
Enciphering: Enter an unenciphered number in the field "P" and press the "Encipher" button.
www.wiley.com /college/mat/gilbert139343/java/java13_s.html   (192 words)

  
 [No title]
Each of the encipher programs is adapted to encode information in accordance with a predetermined pattern established by the encipher program and each encipher program is uniquely identifiable and locateable via a predetermined select code.
Each set of information stored in the information file unit 28 is encoded in accordance with one, preselected encipher program and, thus, it is conceivable and it is contemplated by the present invention that each set of information stored in the information file unit 28 will be encoded in accordance with a different encipher program.
The digital information file generator 62 has stored therein the encipher programs and the decipher programs and each of the stored encipher program and corresponding decipher program is uniquely identifiable via a predetermined select code in the manner described before.
www.virtualschool.edu /mon/ElectronicProperty/freeny.txt   (10011 words)

  
 Programming assignment 3, Computer Science 3675
The string in the file to encipher will, in general, be too long to encipher.
After the program works, modify the encipher and decipher programs so that they say how many blocks must be enciphered or deciphered, and then print a dot as each block is finished.
There should be four files, one for the utility package, one for the key generator, one for the encipher program and one for the decipher program.
www.cs.ecu.edu /~karl/3675/sum01/assn3.html   (1909 words)

  
 Playfair Cipher   (Site not responding. Last check: )
To encipher the first letter, look along its row until you reach the column containing the second letter; the letter at this intersection replaces the first letter.
To encipher the second letter, look along its row until you reach the column containing the first letter; the letter at the intersection replaces the second letter.
To encipher a message, type it into the plaintext box, click the button labelled 'From Digraphs' and then click 'Encipher Plaintext'.
www.simonsingh.net /The_Black_Chamber/playfaircipher.htm   (351 words)

  
 [No title]
If one set of Group Files were to be used to encipher and transmit hundreds or thousands of files/messages there is a chance that one or more would be enciphered by the same set of keys.
It would be best to put the enciphered files on one optical disk and the Group Files required to decipher them on a different one, and keep them in separate places.
To encipher the first plaintext letter find the letter "A" in the alphabet on the top of Vigenere Tableau and find the first key letter "V" in the alphabet on the left side of Vigenere Tableau.
web.textfiles.com /software/gs.txt   (9472 words)

  
 The IBM Key Management Scheme for DES
Having the terminal keys on the host system, enciphered under its master key, means that someone could intercept the session key in transmission, find the encrypted terminal master key in storage, and use it to decrypt the session key.
Initially, to create the copies of the terminal master key enciphered under the auxilliary key, one can use a copy of KM1 enciphered with itself as the first input to an RFMK instruction; as the second input, a copy of the terminal master key, encrypted under KM0 as produced by the EMK instruction is used.
But using such an instruction for communications security would allow people to take an intercepted session key (enciphered under the terminal master key, from a transmission) and make it more useful, by converting it to a form enciphered under the host master key, with which the DCPH instruction allows them to decode the transmission.
www.quadibloc.com /crypto/mi060701.htm   (1653 words)

  
 Secret Language
The study of enciphering and encoding (on the sending end), and deciphering and decoding (on the receiving end) is called cryptography from the Greek
The key used with the algorithm to allow the plaintext to be both enciphered and deciphered.
The resulting text of either enciphering method is called the ciphertext.
www.exploratorium.edu /ronh/secret/secret.html   (2372 words)

  
 Definition of Encipher from dictionary.net
we found 1 entry for the meaning of encipher
encipher v : convert ordinary language into code; "We should encode the message for security reasons" [syn: encode, code, cipher, cypher, encrypt, inscribe, write in code] [ant: decode]
Define encipher and 150,000 other words at dictionary.net
www.dictionary.net /encipher   (45 words)

  
 Bletchley Park Cryptographic Dictionary
(especially in Enigma) Alphabetic list of all the (17576) ways in which 'eins' can be enciphered with known wheel-order ringstellung and stecker, used to set further messages on the same day, especially when new sets of bigram substitution tables for indicators require to be solved.
Any kind of figure or letter-table used in enciphering (or deciphering) e.g.
from 1 upwards) of the letters forming the plain language of a message in transposition either arranged in the order in which these letters appear in the cipher version, thus showing by what rearrangement the encipherment is effected.
www.codesandciphers.org.uk /documents/cryptdict/page34.htm   (236 words)

  
 Cryptography
The basic components of cryptographic systems are used to encipher (scramble) information so that it is difficult to determine the meaning without the appropriate key or key(s) to decipher (unscramble) the information.
Since symmetric cryptography uses the same key for enciphering and deciphering, a person has to use creative and difficult means to prevent someone from intercepting the key.
Once enciphered, the symmetric key can only be easily deciphered using the corresponding private key.
www.onlineessays.com /essays/tech/tech61.php   (330 words)

  
 How PGP Works   (Site not responding. Last check: )
I can "encrypt", or "encipher" the message, which means I scramble it up in a hopelessly complicated way, rendering it unreadable to anyone except you, the intended recipient of the message.
This public-key-enciphered conventional "session" key is sent along with the enciphered text (called "ciphertext") to the recipient.
The recipient uses her own secret key to recover this temporary session key, and then uses that key to run the fast conventional single-key algorithm to decipher the large ciphertext message.
www.bergen.org /infotech/pgp/howitworks.htm   (1069 words)

  
 WEBPROXY Sicher Anonym Surfen
Encipher or Encode means to pass plaintext through transformations to encrypt.
encipher (encode) the process of converting plaintext to ciphertext using...
of concept encipher is released, analyst co english red seal shtml virus writers...
pleger.i-networx.de /link/m.php?ask=encipher/index.shtml   (436 words)

  
 FIPS 46-2 - (DES), Data Encryption Standard
File security provides protection to data by enciphering it when it is recorded on a storage medium and deciphering it when it is read back from the storage medium.
The algorithm is designed to encipher and decipher blocks of data consisting of 64 bits under control of a 64-bit key.** Deciphering must be accomplished by using the same key as for enciphering, but with the schedule of addressing the key bits altered so that the deciphering process is the reverse of the enciphering process.
Consequently, to decipher it is only necessary to apply the very same algorithm to an enciphered message block, taking care that at each iteration of the computation the same block of key bits K is used during decipherment as was used during the encipherment of the block.
www.itl.nist.gov /fipspubs/fip46-2.htm   (4515 words)

  
 JavaScript AES Example   (Site not responding. Last check: )
Output Feedback - The initialization vector is enciphered using the specified block algorithm.
That value is then enciphered and used for the next block in the message.
Futhermore, encryption and decryption become identical (only the encipher function of the underlying block cipher is used), simplifying the implementation.
www.cs.eku.edu /faculty/styer/460/Encrypt/JS-AES-Chain.html   (709 words)

  
 Belhus Racing Stables :: Belhus News :: Belhus News   (Site not responding. Last check: )
Our quality three year old gelding ENCIPHER had little luck at his first start in a race when finishing unplaced at Ascot on Saturday.
The run is best overlooked however as he lost three lengths at the start, and was never able to get a run anywhere in the straight as jockey Troy Turner tried to make up cheap ground on the rails...the pair eventually finishing just 4 lengths from the winner.
I mention this run in the news column because I believe there's going to be value found with Encipher at his next run because of the 7 next to his name in the form ground.
www.belhusracing.com.au /index.cfm?Page_ID=18&News_ID=334   (141 words)

  
 Crypt::Twofish - Perl extension for Twofish. Twofish is a 128-bit block cipher.   (Site not responding. Last check: )
CheckTwofish Encipher takes the key, the key length and the message to be encrypted as parameters and returns the ciphertext.
You would typically call encipher as: $ciphertext = Encipher($key,$keylength,$plaintext); Note: Remember to pass the key length parameter in bytes.
Here it is important to remember that you have to use the same key with which you have encrypted, otherwise you get garbled output.
ftp.sunet.se /pub/lang/perl/CPAN/modules/by-category/14_Security_and_Encryption/Crypt/Twofish-1.0.readme   (371 words)

  
 Lesson 10.1: The Concept   (Site not responding. Last check: )
As we have seen previously, we can develop a key to encipher a message and then use the same key (in reverse) to decipher the message.
The key used to encipher the message can be known by anyone since this key does not provide enough information to decipher the message.
The beauty of this method is that the person sending the message does not need a secret key to encipher their message.
math.usask.ca /encryption/lessons/lesson10/page1.html   (197 words)

  
 System Management Guide: Communications and Networks - Secure NFS
That is, Encipher and Decipher functions are inverses of each other.
First, the sender enciphers a "request to send" message using the public key of the receiver, and then sends the request.
The receiver enciphers a "token" message using the public key of the sender, and then sends the token.
www.ncsa.uiuc.edu /UserInfo/Resources/Hardware/IBMp690/IBM/usr/share/man/info/en_US/a_doc_lib/aixbman/commadmn/nfs_secure.htm   (3674 words)

  
 Vigenère Square
In order to unscramble the message, it is important that the intended receiver knows which row of the Vigenère Square has been used to encipher each letter, and so there must be an agreed system of switching between rows.
To illustrate how a keyword is used in conjunction with the Vigenère Square, let us encipher 'Divert Troops To East Ridge', using the keyword WHITE.
First, the keyword is spelt out above the message, and repeated until each letter in the message is associated with a letter from the keyword.
www.simonsingh.net /The_Black_Chamber/v_square.html   (331 words)

  
 [No title]
The simplest idea is to encipher the letters two at a time, and the most famous of these ciphers is the Playfair cipher, invented by Charles Wheatstone in 1854 and popularized by Lyon Playfair.
If the letters are in different rows and different columns (the most common case), then each is enciphered by the letter that is in its row, but in the column of the other letter.
To illustrate, we will encipher pairs of letters, as before, although in practice this algorithm is used on much larger blocks of text.
www.math.fau.edu /Richman/Crypto/crypto.html   (3760 words)

  
 Encipher   (Site not responding. Last check: )
The word "encipher" uses 8 letters: C E E H I N P R.
Words within encipher not shown as it has more than seven letters.
List all words starting with encipher, words containing encipher or words ending with encipher
www.morewords.com /word/encipher   (135 words)

  
 encipher Content at ZDNet UK
Downloads Lock Secret is a batch based file encryption/encipher and decryption/decipher utility, that can secure from one to 99 files at a time.
Encipher and decipher keys can be password generated, random generated or file based, almost any file can be used...
News The device is one of only three the world that were used by Nazi high command during the Second World War to encipher military messages.
www.zdnet.co.uk /tsearch/encipher.htm   (156 words)

  
 Free Encipher software: Download Encipher
Keys are maintained in an encrypted list of keys for easy access and repeated use.
Includes 13 algorithms of enciphering, 21 algorithm of the electronic-digital signature and 3 algorithms of compression.
It includes functions of enciphering and the digital signature.
www.newfreedownloads.com /find/encipher.html   (254 words)

  
 [No title]
So you encipher your message with something like ROT-13, where every character is rotated halfway through the alphabet.
You give the message to Diatomaceous, the fleetest runner in the empire, and you encipher it with ROT-13 and send him out of the garrison in the pitchest hour of the night, making sure no one knows that you've sent it out.
Caceous has spies everywhere, in the garrison and staked out on the road, and if one of them puts an arrow through Diatomaceous, they'll have their hands on the message, and then if they figure out the cipher, you're b0rked.
www.craphound.com /msftdrm.txt   (6720 words)

  
 Free Download VB Decompiler 2.6 - Decompiler of Visual Basic programs   (Site not responding. Last check: )
VB Decompiler restores many p-code instructions and although there is a longsighted way to the generation of the germ encipher that toilet be compiled, the decompiler will make analyzing the broadcast algorithm much easier and partially reinstate its germ encipher.
If a broadcast was compiled into the native encipher, restoring the germ encipher from machine instructions is not possible.
There is also a encipher analyzer that searches for all API role calls and string references in the disassembled encipher and changes them into comments for analyzed strings.
www.freedownloaddevelopment.com /misc/vb-decompiler.html   (265 words)

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