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Results tagged with encryption
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user 76440
Encryption is the process of transforming plaintext using a cipher into ciphertext to make it unreadable to anyone except those possessing the key. Decryption is the process of transforming that ciphertext back into plaintext, using the key.
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Secure asymmetric encryption with 32byte ciphertext
I need securely asymmetrically encrypt the up to 16 bytes plaintext and receive up to 32 bytes ciphertext. I found that ElGamal produces ciphertext that is 2 times keysize. So I would need to use 128b …
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Secure asymmetric encryption with 32byte ciphertext
The solution that worked for me was to derive a shared key via DHKE. And then, encrypt the message with AES. Since the message is authenticated and I know its public key, I can use it to derive a shar …