Tag
#cryptography
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2022
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Basic cryptography – Diffie-Hellman key exchange
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You absolutely SHOULD roll your own crypto
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Basic cryptography – the Vigenere cipher
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Different cipher types
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Basic cryptography – the Caesar cipher
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Modulo arithmetic with large numbers
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Modulo exponentiation in PHP – three ways
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Understanding modulo arithmetic with clock functions
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Why is it important never to reuse a nonce?
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Verifying randomness in PHP [Part 2]