#### Answer Description

Public/Private key encryption is asymmetric, meaning anything encrypted with one key must be decrypted using the opposite key. If the data was encrypted with the public key, only the private key can decrypt it.

#### Wikipedia

Public key cryptography, or asymmetrical cryptography, is any cryptographic system that uses pairs of keys: public keys which may be disseminated widely, and private keys which are known only to the owner. This accomplishes two functions: authentication, which is when the public key is used to verify that a holder of the paired private key sent the message, and encryption, whereby only the holder of the paired private key can decrypt the message encrypted with …

Public-key cryptography - Wikipedia, the free encyclopedia