Results 11 to 20 of about 46 (35)
Kleptography: Using Cryptography Against Cryptography [PDF]
, 1997 The notion of a Secretly Embedded Trapdoor with Universal Protection (SETUP) has been recently introduced. In this paper we extend the study of stealing information securely and subliminally from black-box cryptosystems. The SETUP mechanisms presented here, in contrast with previous ones, leak secret key information without using an explicit subliminal
Adam L. Young, Moti Yung
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Privacy Illusion: Subliminal Channels in Schnorr-like Blind-Signature Schemes
Applied SciencesBlind signatures are one of the key techniques of Privacy-Enhancing Technologies (PETs). They appear as a component of many schemes, including, in particular, the Privacy Pass technology.
Mirosław Kutyłowski, Oliwer Sobolewski
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AN IDEA FOR KNAPSACK CRYPTOSYSTEM BACKDOOR
Безопасность информационных технологийThere are practically no known backdoors in a knapsack cryptosystem, the security of which is based on the difficulty of solving the knapsack packing problem.
Mikhail A. Ivanov
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Undetectable secret key recovery for the ECDSA digital signature algorithm
Безопасность информационных технологий, 2010 The following article describes a cryptographic device design, allowing to steal secret keys, the device is using to create digital signatures. The external observer cannot detect this attack without knowing the attacker’s secret key.
A. V. Kovalev, M. A. Ivanov
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Kleptographic Attacks on ECDSA
Безопасность информационных технологий, 2014 This paper presents secretly trapdoor with universal protection (SETUP) attacks on the elliptic curve digital signature algorithm ECDSA. It allows a malicious manufacturer of black-box cryptosystems to implement these attacks to get access to user’s ...
Nadezhda Anatolievna Chepick +1 more
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Kleptography in information security context. Classification of kleptographic attacks
Technical sciences and technologiesThe increasing informatisation of society presents new challenges, as modern information technologies are used not only by regular users but also by individuals engaged in illegal activities, such as criminals, fraudsters, and terrorist groups. These technologies are being exploited for unlawful operations, which requires each state to maintain control
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Κλεπτογραφία (Kleptography): χρησιμοποιώντας κρυπτογραφία ενάντια στην κρυπτογραφία
2018Μια κρυπτογραφική πίσω πόρτα (cryptographic backdoor) είναι ένας μηχανισμός, με τον οποίο κάποιος κακόβουλος μπορεί να τροποποιήσει την κανονική λειτουργία ενός κρυπτογραφικού αλγόριθμου, παρέχοντας έτσι στον επιτιθέμενο τη δυνατότητα να «σπάσει» το παραγόμενο κρυπτοκείμενο πολύ γρήγορα.
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The history of kleptography and its place in information security
2023not only law-abiding citizens, but also criminals, fraudsters or terrorists who use them to commit crimes. Therefore, any state tries to control, at least, its segment of cyberspace. Solving such a problem may require methods studied by a new scientific discipline - kleptography.Target setting.
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