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Questions tagged [scramble]

a way to encode information to make the information unintelligible.

106 questions
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8 answers

Best way to use PHP to encrypt and decrypt passwords?

Possible Duplicate: PHP 2-way encryption: I need to store passwords that can be retrieved I plan to store foreign account information for my users on my website, aka rapidshare username and passwords, etc... I want to keep information secure, but…
jiexi
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4 answers

garble function contest

Remember that away message on aim that said how: Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The…
qwertymk
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Are there any ways to scramble strings in python?

I'm writing a program and I need to scramble the letters of strings from a list in python. For instance I have a list of strings like: l = ['foo', 'biology', 'sequence'] And I want something like this: l = ['ofo', 'lbyoogil', 'qceeenus'] What is…
Geparada
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12 answers

Obfuscate / Mask / Scramble personal information

I'm looking for a homegrown way to scramble production data for use in development and test. I've built a couple of scripts that make random social security numbers, shift birth dates, scramble emails, etc. But I've come up against a wall trying…
Computer Chip
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9
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3 answers

How can I use TDD to solve a puzzle with an unknown answer?

Recently I wrote a Ruby program to determine solutions to a "Scramble Squares" tile puzzle: I used TDD to implement most of it, leading to tests that looked like this: it "has top, bottom, left, right" do c = Cards.new card = c.cards[0] …
matthewsteele
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5
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4 answers

Bash- scramble characters contained in a string

So I have this function with the following output: AGsg4SKKs74s62# I need to find a way to scramble the characters without deleting anything..aka all characters must be present after I scramble them. I can only bash utilities including awk and…
Bruce Strafford
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1 answer

How to I encode a number so that small changes result in very different encodings?

I'm working in C#. I have an unsigned 32-bit integer i that is incremented gradually in response to an outside user controlled event. The number is displayed in hexadecimal as a unique ID for the user to be able to enter and look up later. I need…
hatch22
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3 answers

Scramble a floating point number?

I need a repeatable pseudo-random function from floats in [0,1] to floats in [0,1]. I.e. given a 32-bit IEEE float, return a "different" one (as random as possible, given the 24 bits of mantissa). It has to be repeatable, so keeping tons of…
GaryO
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3 answers

Unscramble Letters in Java - Get all possible combinations of the letters

Solved: What I was asking was Solved but feel free to answer with alternate methods. here's the letter unscrambler made with the answer. Project Page I am currently an AP Computer Science student. I have been working on a letter unscrambler that…
atbetts
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7 answers

Scramble a column in SQL Server?

We have a web app we'd like to demo to prospects, but our best way of doing so is with existing data, for a full experience. Certainly, we don't want to do this with actual customer names or addresses, etc visible in the app. Is there an easy way…
larryq
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10 answers

Code Golf - Word Scrambler

Please answer with the shortest possible source code for a program that converts an arbitrary plaintext to its corresponding ciphertext, following the sample input and output I have given below. Bonus points* for the least CPU time or the least…
Will Bickford
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3
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2 answers

DVB-CSA-1 vs DVB-CSA-2

I need some help from mpeg2-ts DVB and broadcasting experts. Can someone tell me what is the difference between those algorithms in common.
Ilay
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4 answers

Scrambling of letters within a text file

I am preparing a test data which must have different letters say அ-20 times ம-30 times , த-40 times .....( They are UTF-8 coding supported Tamil Languague letters ) this could be achieved using a print statement {print ( ' ம் ' * 30 ) + ( ' த ' *…
sibi kanagaraj
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How to make a Java File Reader

I'm trying to make a word scrambler for a project in class. It needs to read in a .txt file and output a String with all of the words in the file; but scrambled. for example: This is how the words should be scrambled. Ignoring punctuation and…
user2471416
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2 answers

Storing scrambled Social Security numbers

I need to store a social security number in the unique scrambled state... The reason: I would require social numbers, but I do not want to store them open in case if database gets compromised. I want to convert Social Security number into string of…
Andrew
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