1# Encryption and Decryption Overview 2 3 4Important data needs to be encrypted in data storage or transmission for security purposes. 5 6 7Typical encryption and decryption operations involve the following: 8 9 101. Encrypt and decrypt data using a symmetric key. 11 122. Encrypt and decrypt data using an asymmetric key pair. 13 143. Obtain and set the **CipherSpecItem** parameter when RSA is used with the PKCS1_OAEP padding mode. 15