RSA (disambiguation)

RSA is an algorithm for public-key encryption.

RSA may also refer to:

RSA encryption-related

* RSA Factoring Challenge, a computational number theory challenge aimed at factorizing a given set of semi-prime numbers
* RSA numbers, a set of numbers that have as factors two prime numbers (semi-prime keys)
* RSA Security, a U.S. network security company
* RSA Conference, an annual cryptography convention

Government and private organizations

* Rehabilitation Services Administration
*, formally the Republic of South Africa
* the Road Safety Authority in the Republic of Ireland
* Royal New Zealand Returned and Services' Association, an organization dedicated to the welfare of veterans of New Zealand's military
* Royal School of Artillery, the principal training establishment for artillery warfare in the British Army
* Royal Scottish Academy, an independent, privately-funded Scottish art institute
* Royal Society for the encouragement of Arts, Manufactures & Commerce, a British multi-disciplinary institution
* Royal & Sun Alliance, a UK-based insurance company
* Russian Federal Space Agency, the Russian government agency responsible for Russia's space science program
* Retirement Systems of Alabama, the administrator of the pension fund for employees of the state of Alabama
* the Rabbinical Seminary of America, a New York, NY yeshiva
* RSA Insurance Group, a British general insurance company
* RSA Exam Board, a UK examination board that specialised in typing and office skills

Miscellanea

* New Hampshire Revised Statutes Annotated, the codified law of the state of New Hampshire, United States
* Remote Supervisor Adapter an out-of-band management interface on IBM servers
* Respiratory Sinus Arrhythmia, the heart rate variation due to respiration
* Roentgen Stereophotogrammetric Analysis, also called RadioStereometric Analysis, a method of calculating 3D orientation using X-ray images
* Rational Software Architect, part of IBM Rational Application Developer
* Responsible Service of Alcohol, a course required to be taken by persons serving alcohol to patrons in the hospitality industry in several Australian states