tanszek:oktatas:techcomm:cryptography
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| * **Tools**: **Hashing algorithms** and **digital signatures** ensure the integrity of messages and files. A digital signature binds a cryptographic hash of the document with the sender’s private key, making it evident if the data has been tampered with. | * **Tools**: **Hashing algorithms** and **digital signatures** ensure the integrity of messages and files. A digital signature binds a cryptographic hash of the document with the sender’s private key, making it evident if the data has been tampered with. | ||
| + | === Basic communication model === | ||
| + | {{: | ||
| + | |||
| + | Where Alice is the sender(A), Bob is the receiver (B), | ||
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| + | m: message, c: encrypted message, | ||
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| + | \(E()\): encrypt function, | ||
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| + | \(D()\): decrypt function, | ||
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| + | \(D()\) is the inverse function of \(E()\). | ||
tanszek/oktatas/techcomm/cryptography.1728301070.txt.gz · Last modified: 2024/10/07 11:37 by knehez