Task: Sentence Expansion
Input (English): In cryptography , Triple DES is a block cipher created from the Data Encryption Standard ( DES ) cipher by using it three times .
Output (English): 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 .