Primitives
The standard defines several basic primitives. The primitive operations provide the fundamental instructions for turning the raw mathematical formulas into computable algorithms.
- I2OSP, OS2IP: conversion between the potentially large nonnegative integers encountered in the mathematical formulas and their computer data representation as a sequence of bytes (an octet string).
- RSAEP, RSADP: basic encryption and decryption algorithms.
- RSASP1, RSAVP1: algorithms for producing and verifying signatures.
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