# RSA

(redirected from Royal Society of Arts)
Also found in: Dictionary, Medical, Financial, Wikipedia.
Related to Royal Society of Arts: FRSA

## RSA

(cryptography, company)
(The initials of the authors)

1. RSA Data Security, Inc.

2. Their cryptography systems, especially RSA encryption.

The RSA algorithm was first described in the paper:

[R. Rivest, A. Shamir, L. Adleman, "A Method for Obtaining Digital Signatures and Public-key Cryptosystems". CACM 21,2; 1978]

## RSA

(1) (Rural Service Area) See MSA.

(2) (Rivest-Shamir-Adleman) A highly secure cryptography method by RSA Security, Inc., Bedford, MA (www.rsa.com), a division of EMC Corporation since 2006. It uses a two-part key. The private key is kept by the owner; the public key is published.

Data are encrypted by using the recipient's public key, which can only be decrypted by the recipient's private key. RSA is very computation intensive, thus it is often used to create a digital envelope, which holds an RSA-encrypted DES key and DES-encrypted data. This method encrypts the secret DES key so that it can be transmitted over the network, but encrypts and decrypts the actual message using the much faster DES algorithm.

RSA is also used for authentication by creating a digital signature. In this case, the sender's private key is used for encryption, and the sender's public key is used for decryption. See digital signature.

The RSA algorithm is also implemented in hardware. As RSA chips get faster, RSA encoding and decoding add less overhead to the operation. See cryptography and digital certificate.

Secret Key vs. Public Key The secret method uses the same key to encrypt and decrypt. The problem is transmitting the key to someone so they can use it. The public key method uses two keys. One kept secret and never transmitted, and the other made public. Sometimes the public key method is used to send the secret key of the private method, and then the message is sent using the private key method.
References in periodicals archive ?
The school became an academy in 2011 sponsored by the Royal Society of Arts.
She was recently elected a fellow of the Royal Society of Arts in London.
In a speech to the Royal Society of Arts in London, hosted by its president, the Duke of Edinburgh, Sir David said there was a "strange silence" over the population issue.
The international speaker, Mr Lee Kha Loon, Head Asia Pacific, CFA Institute and Mr Ken Rushton, Fellow of the Chartered Institute of Secretaries and Administrators and a Fellow of the Royal Society of Arts, they will be delivering the key-note address.
The jury which helped decide the winners was comprised by foremost professionals in the realms of fashion, media and marketing, was headed by John Bailey, fellow at the Royal Society of Arts and Council Member of the British Society of Perfumers.
Speaking at the Royal Society of Arts yesterday, Alan Johnson, the Health Secretary, said mentors could be "amazingly successful" and that he hoped that they could revolutionize the nation's health.
He was a member of the Royal Society of Arts and an associate of some of the members of the Lunar Society, manufacturer and engineer Matthew Boulton.
On the afternoon of 29 May 1959 the first general meeting in the form of a half day symposium was held at the Royal Society of Arts.
He is also deputy chairman of Standard Chartered Bank, chairman of the board of governors of Nottingham Trent University, a member of the president's committee of the CBI, and a Fellow of the Royal Society of Arts.
Ezri Carlebach, head of communication, Royal Society of Arts, London
He is a fellow of the Royal Society of Arts in London and a frequent lecturer on the history of chemistry and art.
Speaking in London at the Royal Society of Arts last month, Rem Koolhaas gave an excoriating analysis of the condition of architects in a consumerist global economy, citing his own description of it as a 'poisonous mixture of megalomania and impotence'.

Site: Follow: Share:
Open / Close