Sending a Fax
2-13
SHA1: This option produces a message digest that is 160 bits
long. SHA1 is the successor to MD5.
Privacy: This option uses encryption for secure communication.
It is available after you select the Authentication option. You
may select one privacy option.
DES: This option uses the Data Encryption Standard for
encryption. DES turns cleartext into ciphertext via an encryption
algorithm. It encrypts and decrypts data using 8-byte blocks and a
56-bit key.
AES: This option uses the Advanced Encryption Standard for
encryption. AES is a symmetric block cipher that can process
data blocks of 128 bits, using cipher keys with lengths of 128,
192, and 256 bits. It is more secure than DES.
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