publickey
nounUK /ˈpʌblɪk kiː/
US /ˈpʌblɪk kiː/
A public key is a special code that everyone is allowed to see and that helps keep secret messages safe.
She shared her public key so her friend could send her a private message.
OTHER MEANINGS
2. A cryptographic key used to encrypt messages that only the matching private key can decrypt.
The server uses the recipient's public key to encrypt the email.
3. A key used to verify a digital signature created with the corresponding private key.
The software checked the public key to confirm the file was authentic.
4. In computing, a value distributed openly as part of an asymmetric key pair.
Each user uploads a public key to the secure messaging app.