By Vikram Vaswani

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Org/wiki/Encryption_algorithm. 24 Generating Pronounceable Passwords Problem You want to generate a pronounceable password. net/package/Text_Password). By default, the class method create() generates a ten-character pronounceable password using only vowels and consonants. 25 Generating Unpronounceable Passwords Problem You want to generate an unpronounceable password. net/ package/Text_Password) is designed specifically to generate both pronounceable and unpronouceable passwords of varying lengths.

Typically, a hash signature is used to verify if two copies of a string or file are identical in all respects; if both produce the same hash signature, they can be assumed to be identical. A hash function, like PHP’s md5() or sha1() function, accepts string input and produces a fixed-length signature (sometimes called a checksum) that can be used for comparison or encryption. The md5() function produces a 128-bit hash, while the sha1() function produces a 160-bit hash. html. 22 Encrypting Strings (One-Way Encryption) Problem You want to encrypt a string using one-way encryption.

Chapter 2: Working with Numbers Comments The range() function accepts two arguments—a lower limit and an upper limit— and returns an array containing all the integers between, and including, those limits. You can also create a number range that steps over particular numbers, by passing the step value to the function as a third, optional argument. > A simple application of the range() function is to print a multiplication table. php // print multiplication table foreach (range(1, 10) as $num) { echo "5 x $num = " .

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