From the course: Symmetric Cryptography Essential Training
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Characters
From the course: Symmetric Cryptography Essential Training
Characters
- [Instructor] It might not be obvious right away how we can represent printable characters on a computer. So in this section, we discuss exactly how they are stored. Where we start is with A-S-C-I-I characters, pronounced ask-key. This is a small collection of printable and non printable characters that's made up mostly of the Latin alphabet and also has a number of frequently used symbols like those on most Western keyboards. In the ASCII character set, each character is represented by a number. For example, capital letter A is the number 65 base 10, and represented in binary like so. Here we have this very simple but helpful site called asciitable.com, which gives us a list of the ASCII characters and their values in decimal, hexadecimal, octal, and so on. Here in this first column, we have some non-printable special characters, and in the second, third, and fourth columns, we have the actual printable characters, numbers, symbols, capital letters, lowercase letters. Farther down…
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