Compare Des And Aes
Compare Des And Aes - News
Or c'est là que réside l'ambiguïté, comme l'explique Sylvain Métille : Jusqu'à récemment, Dropbox affirmait que les fichiers hébergés étaient soumis à un chiffrement (AES-256) et qu'ils étaient inaccessibles sans le mot de passe de l'utilisateur,
Sony to Launch Next Generation FeliCa Contactless IC chip
Tokyo, Japan - Sony Corporation announces today the launch of the next generation FeliCa IC chip with enhanced security adopting the Advanced Encryption Standard (AES) encryption. The new IC chip will support AES as well as the existing DES encryption system for mutual authentication and data communication. The sample chip will be available for shipment from this winter, and mass production will start in the spring of 2012. The newly developed IC chip will have the same command sets as the current DES-based FeliCa card system so that the FeliCa card with the new chip can easily be introduced into existing services. The new chip will have a security-migration function so that it will easily be able to migrate from the existing security system to the new AES encryption-based security. JR East Group cooperated with Sony regarding the specification for the new OS.
With the new IC chip, Sony will develop and market a variety of forms of card, and in addition plans to develop next generation compatible products for mobile devices and reader platforms. The new IC chip will create a new lifestyle and range of applications where users feel daily convenience simply by “tapping” in an expanded FeliCa world. It is planned to achieve the highest security level for this product by adding AES cryptographic functionality in addition to the current DES encryption for communication between card and reader/writer. Leading-edge anti-tampering technology will be implemented to achieve higher than EAL5+ certification level according to ISO/IEC15408 common criteria. Multi-application platform with higher performance and reliability Both higher transaction speed and longer communication distance will be achieved for every type of card application such as transportation ticket and electronic money. This will be achieved by pursuing further lower power consumption than the current FeliCa IC chips. It will improve reliability of nonvolatile memory data by implementing new Error Checking and Correcting (ECC) functionality. Security-migration function and backward compatibility with the current FeliCa IC chips New FeliCa IC chip will be compatible with the current product in terms of the command set both for DES cryptography and without security. It will be compatible to existing infrastructure using cryptographic communication with existing reader/writers supporting DES encryption and non-secure-based communication with readers such as FeliCa Port and PaSoRi. In addition, it will include a security-migration function in order to support the existing DES cryptography-based system as well as future upgrades to the AES based system.
Compare Des And Aes - Bookshelf
Security in computing
Comparison of DES and AES The characteristics of DES and AES are compared in Table 2-4. When Rijndael's predecessor. DES. was adopted, two questions arose ...Cryptography and Information Security
4.6 COMPARISON OF AES WITH OTHER CIPHERS 1. Comparison with DES: We have seen that DES is not secure any more due to increase in computing speed. ...Cryptographic hardware and embedded systems--CHES 2001, third international workshop, Paris, France, May 14-16, 2001 : proceedings
An Implementation of DES and AES, Secure against Some Attacks Mehdi-Laurent Akkar1 and Christophe Giraud2 1 Schlumberger CP8, 68 route de Versailles, ...Information and communications security, 4th international conference, ICICS 2002, Singapore, December 9-12, 2002 : proceedings
We perform both these tests on CAC and as well as on DES and AES for the sake of comparison. Results of Differential Cryptanalysis: We perform differential ...Recent Trends in Network Security and Applications, Third International Conference, CNSA 2010, Chennai, India, July 23-25, 2010Proceedings
DES provides a basis for the comparison of new algorithms. ... AES algorithm is a symmetric block. It is used to encrypt and decrypt the plaintext and ...Useful Information Directory
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