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2 votes
2 answers
2k views

Prove that the following private-key encryption scheme is not CPA-secure

1 vote
0 answers
64 views

New Impossible Differential Attacks on AES reduce time complexity

0 votes
1 answer
50 views

Does truncating a CBC ciphertext result in a truncated plaintext?

2 votes
0 answers
27 views

Can a differential attack on FEAL4 yield multiple valid keys?

2 votes
0 answers
44 views

Design criteria of block ciphers in quantum setting

1 vote
1 answer
100 views

When using AES, is doing encryption followed by decryption with the same key efficient?

1 vote
1 answer
49 views

Differential uniformity of vectorial Boolean function

1 vote
1 answer
180 views

Statistical differences between ciphertexts generated by AES in ECB vs CBC mode?

1 vote
1 answer
170 views

How does the plausible deniability used by TrueCrypt work mathematically?

1 vote
1 answer
112 views

BLAKE3 for Block and Stream ciphers?

0 votes
0 answers
19 views

Understanding the Simplified Perspective in OCB Security Proof: Exploring the Role of Collisions and Oracle Models

3 votes
1 answer
260 views

Are block ciphers still relevant in 2024?

5 votes
1 answer
210 views

New NIST Journey: Accordion Cipher Mode

0 votes
1 answer
60 views

Can I prove AES-GCM nonce reuse just from the bytes?

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