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Joao Carlos Leandro da Silva

  • RESEARCH
    • Cryptography – design new codes
    • Cryptanalysis – break existing codes
    • Cybersecurity – identify cyberweapons
    • Algorithm development – develop a new algorithm
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Design new codes

Cryptography – design new codes

I am a one person company (OPC) that does research in both cryptography and cryptanalysis with the aim to create new products and/ or services.

Design new codes.

What is cryptography? Basically, it is the art and science of transmitting information in a secure manner. A long time ago, secret messages were hidden from enemy tribes by writing them on the bare heads of patient messengers (they had to wait until their hair grew) before setting on foot or horse to their final destination. Once there, the local leader would shave the head of the respective messenger in order to read the corresponding message sent from his subordinate.
Today, cryptography is based on pure science – hard mathematical problems – that neither humans nor computers are able to solve. For example, RSA cryptography is ubiquitous and works because nobody has found an efficient way to factor large composite numbers.
Modern cryptography consists in three fundamental steps: encryption, transmission and decryption. Encryption transforms a plain text into a ciphertext. Transmission sends the given ciphertext to the respective receiver. Decryption changes such ciphertext into plain text again. Since all the previous steps are performed by specific algorithms within machines and knowing that computers evolve with time, then, it should be evident that the future of cryptography will require the design of new codes that can withstand these changes and still guarantee high levels of security.

Cryptanalysis – break existing codes

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Joao Carlos Leandro Da Silva

© Joao Carlos Leandro da Silva

Via Medole 22, 46043 Castiglione delle Stiviere (MN) - Italy
P.I. 02298830205

Tel/Fax +39 0376 944100
Email: joaodasilva@rainbowofprimes.com

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