Without the key or password, the drive and its data are inaccessible. Currently, the Advanced Encryption Standard (AES) algorithm is most often used with 128, 192 or 256-bit keys.Īn encrypted hard drive offers the user protection for their data in the event that the hard drive is stolen or accessed by unauthorized users. There are a number of encryption algorithms in use that employ either symmetric or asymmetric keys to encode and decode the data. Plain-text data is encoded during encryption and can only be decrypted with a key. It is often employed to safeguard sensitive information such as credit card and bank account numbers. Encryption is the process of algorithmically transforming information making it unreadable to unauthorized individuals.
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