A study on the encryption algorithm for RFID tag (SEED : 8 Rounds × 64 bits block)

Although it is always weak between RFID Tag and Terminal in focus of the security, there are no security skills in RFID Tag. Recently there are a lot of studying in order to protect it, but because it has some physical limitation of RFID, that is it should be low electric power and high speed, it is impossible to protect with the skills. At present, the methods of RFID security are using a security server, a security policy and security. One of them the most famous skill is the security module, then they has an authentication skill and an encryption skill. In this paper, we designed and implemented after modification original SEED into 8 Round and 64 bits for Tag.

The way to succeed in mexican business realations

The article is based on the research project titled “Intercultural Dimension in Corporate Culture of Multinational Companies” and it deals mainly with cultural stereotypes that influence business relations. The article takes a famous research of Geert Hofstede and extends it on Czech-Mexican business reality. The article is therefore dedicated to Czech businessmen who are interested in having good relations with Mexico and avoiding mistakes that could prevent them from doing so. The first part of the article covers Hofstede´s dimensions and compares them with other studies. The comments include topics such as social hierarchy in Mexico, Mexican collectivism and life values, approach to pragmatism of both Czech and Mexican nations and also how these nations tend to indulgency. The second part of the article is aimed at the image of Czech Republic in the foreign markets and includes the feedback on Czech work behaviour from Latinoamericans who have previously worked with Czechs.

Beyond silks and spices, east and west

The main idea I would like to develop and assess in this paper was upheld and defended by Paul Ricoeur in his famous dictum that ‘To say self is not to say I’, and its corollary that ‘the shortest route from self to self is through the other’. That there is an implicit dialectic is underlined in another short passage taken from Ricoeur’s book Oneself as Another: