A known-plaintext attack on two-key triple encryption
EUROCRYPT '90 Proceedings of the workshop on the theory and application of cryptographic techniques on Advances in cryptology
On the security of multiple encryption
Communications of the ACM
Handbook of Applied Cryptography
Handbook of Applied Cryptography
Key-Schedule Cryptoanalysis of IDEA, G-DES, GOST, SAFER, and Triple-DES
CRYPTO '96 Proceedings of the 16th Annual International Cryptology Conference on Advances in Cryptology
How to Protect DES Against Exhaustive Key Search
CRYPTO '96 Proceedings of the 16th Annual International Cryptology Conference on Advances in Cryptology
Improving Implementable Meet-in-the-Middle Attacks by Orders of Magnitude
CRYPTO '96 Proceedings of the 16th Annual International Cryptology Conference on Advances in Cryptology
On the Security of Double and 2-Key Triple Modes of Operation
FSE '99 Proceedings of the 6th International Workshop on Fast Software Encryption
The security of triple encryption and a framework for code-based game-playing proofs
EUROCRYPT'06 Proceedings of the 24th annual international conference on The Theory and Applications of Cryptographic Techniques
Efficient and optimally secure key-length extension for block ciphers via randomized cascading
EUROCRYPT'12 Proceedings of the 31st Annual international conference on Theory and Applications of Cryptographic Techniques
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Computer Communications
Neuro-Cryptanalysis of DES and Triple-DES
ICONIP'12 Proceedings of the 19th international conference on Neural Information Processing - Volume Part V
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The standard technique to attack triple encryption is the meet-in-the-middle attack which requires 2112 encryption steps. In this paper, more efficient attacks are presented. One of our attacks reduces the overall number of steps to roughly 2108. Other attacks optimize the number of encryptions at the cost of increasing the number of other operations. It is possible to break triple DES doing 290 single encryptions and no more than 2113 faster operations.