double DES is less secure than triple DES
triple DES is much slower than double DES
double DES is within the range of brute force attack. but triple DES is not in the range of brute force attack.
There's a project that's implemented Triple DES in C over at SourceForge called "Easy Triple DES." It's in alpha, but should at the very least give you a head start. (See link.)
There are a few disadvantages of Triple DES including processing times in which the more complex the longer it takes. Another disadvantage is when the file or hard drive crash, it's hard to recover.
For some time it has been common practice to protect and tansport a key for DES encryption with triple-DES (3DES). The function follows an encrypt-decrypt-encrypt (EDE) sequence. Decrypt sequence is simply the same (encrypt) operation with the keys reversed.
fot the past 25 years single des algorithm was used. But now triple des is used in atm cards for the encryption and decryption.
Easy! at first i thought double dees, however that is not right. The answer is Despair. Check out iriddler.com
des images doubles
Data Encryption Standard (DES) is a symmetric-key block cipher that was widely used for secure data encryption but is now considered insecure due to its short key length of 56 bits. Triple DES (3DES) improves security by applying the DES algorithm three times with different keys, effectively increasing the key length to 168 bits. While 3DES is more secure than DES, it is also being phased out in favor of more advanced encryption standards like AES (Advanced Encryption Standard). Both DES and 3DES are now largely outdated for modern cryptographic applications.
des carottes (fem., with a double 't')
3 DES of (Triple Data Encryption Standard)
3DES (Triple DES) maintains backward compatibility with DES by using the same block size and key structure as DES, which allows existing DES algorithms to function without modification. When a 3DES implementation uses a single key (the first key of the three), it effectively operates as DES, ensuring that DES-encrypted data can be decrypted by 3DES systems. This design allows users to transition to 3DES without needing to re-encrypt their existing DES data.
"une carotte, des carottes" (single "r", double "t")
Brooklyn, Missouri.