rsa
nounUK /ˌɑːr es ˈeɪ/
US /ˌɑːr es ˈeɪ/
A way to keep secret messages safe when they are sent over the internet.
The website uses RSA to protect your password when you log in.
OTHER MEANINGS
2. A type of security key that has two parts, one public and one private.
The app created an RSA key pair for the user's account.
3. A method used to sign digital documents so people can check they are real.
The software used RSA to sign the update file.
4. An abbreviation for the last names of the three people who invented this encryption method.
RSA stands for Rivest, Shamir, and Adleman.