The European Space Agency (ESA) has just released the first batch of data from the groundbreaking Euclid space telescope, which was built to study the mysteries of dark matter and dark energy ...

Yubico has released a security advisory addressing a side-channel vulnerability in Infineon’s cryptographic library, which several Yubico devices use. These devices include the YubiKey 5 Series, ...

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Implementation of Diffie-Hellman Key-exchange, RSA algorithm, DSS(Digital Signature Signing and Verification), Extended Euclidean Algo., Fermat's Little Theorem, Fast Modular Exponentiation ...

Abstract: Let n/d∈Q,m be a positive integer and Let u=n/d mod m. Thus u is the image of a rational number modulo m. The rational reconstruction problem is: given u and m find n/d. Classical Euclidean ...

ABSTRACT: Numerous cryptographic algorithms (ElGamal, Rabin, RSA, NTRU etc) require multiple computations of modulo multiplicative inverses. This paper describes and validates a new algorithm, called ...