Search results
Results from the WOW.Com Content Network
In cryptography, Triple DES (3DES or TDES), officially the Triple Data Encryption Algorithm (TDEA or Triple DEA), is a symmetric-key block cipher, which applies the DES cipher algorithm three times to each data block.
With regard to what actions the machine actually does, Turing (1936) [2] states the following: "This [example] table (and all succeeding tables of the same kind) is to be understood to mean that for a configuration described in the first two columns the operations in the third column are carried out successively, and the machine then goes over into the m-configuration in the final column."
As an example, the sftp program supplied with OpenSSH implements this. [10] Some implementations of the scp program support both the SFTP and SCP protocols to perform file transfers, depending on what the server supports. The scp program supplied with OpenSSH 9.0 and higher defaults to using SFTP. [11]