Cryptography Bhutan – Medium

Cryptography Bhutan

Cryptography Bhutan

Mono-alphabetic Cipher and its cryptanalysis

Mono-alphabetic cipher

2 min readApr 23, 2021

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Mono-alphabetic Cipher and its cryptanalysis

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Cryptography Bhutan

Cryptanalysis and Brute-force attack

The main objective of breaking the cipher is to discover the key rather than just recover the plaintext of a single ciphertext. This is…

2 min readMar 19, 2021

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Cryptography Bhutan

Caesar Cipher

In Caesar Cipher, to encrypt a plaintext(message), each plaintext characters are replaced by three letters down the alphabet. For example…

2 min readMar 14, 2021

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Cryptography Bhutan

Symmetric Ciphers

Symmetric encipherment scheme has the following elements:

2 min readMar 14, 2021

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Symmetric Ciphers

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Cryptography Bhutan

Techniques for hiding messages

The CIA triad security goals can be achieved through the following two techniques:

1 min readMar 14, 2021

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Cryptography Bhutan

Security Mechanisms

The security mechanism is a process or device incorporating such a process that is designed to detect, prevent or recover from a security…

1 min readMar 14, 2021

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Cryptography Bhutan

Security Services

Security service is service provided by layers of communicating open systems which ensure adequate security of data storage system or data…

1 min readMar 14, 2021

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Cryptography Bhutan

Types of Security Attack

Passive Attack: Security attacks such as eavesdropping or monitoring the transmission of data to obtain information without affecting the…

1 min readMar 13, 2021

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types of attack and threat to CIA

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Cryptography Bhutan

Familiarization of Jargon

Cryptography: The discipline that embodies the principles, means, and methods for the transformation of data in order to hide their…

2 min readMar 13, 2021

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Cryptography Bhutan

Information Security

In this information era, we live in a world of information. Information is collected, curated, and sold like a commodity. Information has…

1 min readMar 12, 2021

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Information Security

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Cryptography Bhutan

Cryptography Bhutan

This page is about educating people on cryptology since the cryptography is the heart of network security and also building block of cryptocurrencies.

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