In general, if we want to represent binary data in a human-readable form, converting it to a hexadecimal string is a great option.Įach of the examples in our article will be focusing on how to convert a byte array into an uppercase hexadecimal string. Because they are easy for humans to read and type, they make great candidates for use as license keys. You can see this in action in our article on Hashing and Salting Passwords.Īnother common usage of hexadecimal strings is as license key values. For example, the byte value 255 in hexadecimal would be written as FF, while 42 would be 2A.Ī common use case for converting between byte arrays and hexadecimal strings is found within the realm of password hashing and salting. This means that we can represent a single byte as a 2-digit hex number. In a hexadecimal string, each digit (0-9A-F) represents exactly 4 bits.
Motivation for Converting a Byte Array to Hexadecimalīecause hexadecimal is a base 16 numbering system, conversion between byte arrays and hexadecimal strings is very straightforward. To download the source code for this article, you can visit our GitHub repository.
0 kommentar(er)
