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1 function
"A piece of code that operates as a single logical unit. A function is called by name, accepts optional input parameters, and returns a status and optional output parameters. Many programming languages support functions." -
2 pseudo-random function
"A function that takes a key, label, and seed as input, then produces an output of arbitrary length." -
3 GDI
"An executable program that processes graphical function calls from a Windows-based application and passes those calls to the appropriate device driver, which performs the hardware-specific functions that generate output. By acting as a buffer between applications and output devices, GDI presents a device-independent view of the world for the application while interacting in a device-dependent format with the device." -
4 Graphics Device Interface
"An executable program that processes graphical function calls from a Windows-based application and passes those calls to the appropriate device driver, which performs the hardware-specific functions that generate output. By acting as a buffer between applications and output devices, GDI presents a device-independent view of the world for the application while interacting in a device-dependent format with the device." -
5 cryptographic digest
The result of a one-way hash function that takes a variable-length input string and converts it to a fixed-length output string. This fixed-length output string is probabilistically unique for every different input string and thus can act as a fingerprint of a file. It can be used to determine whether a file was tampered with. -
6 PRF
"A function that takes a key, label, and seed as input, then produces an output of arbitrary length."
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