DEFINITION of 'Warranty'. A type of guarantee that a manufacturer or similar party makes regarding the condition of its product. It also refers to the terms and situations in which repairs or exchanges will be made in the event that the product does not function as originally described or intended. Next Up.
RSA is an algorithm used by modern computers to encrypt and decrypt messages. It is an asymmetric cryptographic algorithm.
Techopedia explains RSA Encryption. RSA encryption is a public key encryption technology developed by RSA Data Security, which licenses the algorithm technologies and also sells the development kits. RSA is built into many common software products, including Microsoft's Internet Explorer.