Advanced Encryption Standard Explained

AES is a standard or specification, its implementation depends on other software. It is not a software product in itself.

How AES encryption works

AES is a block cipher. It uses a substitution-permutation network that takes data in fix-size blocks and repeatly replaces and reorders them to generate ciphertext (i.e. encrypt data).

Keys are us to encrypt (and decrypt) data. The key size (the number of bits in the key) determines how secure the encryption is. AES country email list supports 128-bit, 192-bit, and 256-bit encryption keys. 256-bit keys provide the most security and are us by intelligence agencies to encrypt their secrets, while 192-bit and 128-bit AES encryption is us for things like banking and secure web browsing.

AES is a form of symmetric-key encryption (as oppos to asymmetric-key encryption), meaning that the same key is us to both encrypt and decrypt data.

Encryption and decryption stages

The steps to encrypt data using the AES standard are as follows:

Bas on the initial encryption key (usually a password provid by the user), a series of “round keys” are generat. These will be us in each round of encryption.
The encryption process begins by hubspot and salesforce integration combining the encryption key with the data to be encrypt using the XOR operation.
The data is encrypt in additional “rounds” using the substitution-permutation network encryption algorithm. This step is repeat depending on the result of the previous round, depending on the key size. It is repeat 10 times for 128-bit encryption, 12 times for 192-bit encryption, and 14 times for 256-bit AES encryption.
The final round of encryption is perform using the “last round key”, resulting in the final encrypt message.

The steps to decrypt data using the AES standard are as follows

To begin the reverse scrambling process, an XOR operation is perform using the encrypt data and the key from the last round of the facebook users encryption process.
The encryption “rounds” are revers one after another in reverse order.
The final round of decryption decrypts the data using the original encryption key, returning the original data.

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