As per the National Institute of Standards and Technology (NIST), the encryption key life cycle is a combination of the pre-operational, operational, post-operational, and deletion stages of key management. It is important to consider the time spent in the account as the validity of a key is always limited. Hence, the crypto period is used to record the time during which a specific key is authorized for use. The crypto period is determined by combining the estimated time during which the encryption will be applicable and the time when it will be decrypted for use, illustrated as follows:
The following diagram shows the ...