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1d
comment Is 3 rounds more secure than 2 in this simplified DES?
Is your question just “Is it possible to use only 2 rounds?”, or are you expecting us to do the whole assignment? What have you done so far about decryption and about the impact of the number of rounds?
1d
comment Is 3 rounds more secure than 2 in this simplified DES?
This is obviously not something you wrote. Please provide proper attribution for quoted material.
1d
reviewed Edit Is 3 rounds more secure than 2 in this simplified DES?
1d
revised Is 3 rounds more secure than 2 in this simplified DES?
Cleaned up equations and put into LaTeX form. Separated out questions into own lines.
1d
reviewed Reviewed How distinct are the meanings of the terms “CSPRNG,” “DRBG” and “stream cipher”?
Apr
25
reviewed Leave Closed How to solve this public-key cryptography system?
Apr
21
reviewed Approve How to construct a collision resistant hash function that is not a one-way function?
Apr
15
reviewed Approve How to attack polyalphabetic affine cipher with only ciphertext?
Apr
13
reviewed Approve SHA-1: number of possible inputs, number of possible outputs, how many inputs have the same output,
Apr
13
reviewed Reject OTP - Why not reuse key? EDITED!
Apr
13
reviewed Edit Huffman coding is a prefix code, proof
Apr
13
revised Huffman coding is a prefix code, proof
latex is prettier than utf
Apr
12
revised Can (EC)DH keys be used as the signed content in X.509 certificates?
deleted 2 characters in body
Apr
11
reviewed Edit What is the security strength of an n-bit HMAC?
Apr
11
revised What is the security strength of an n-bit HMAC?
improved formatting
Apr
11
reviewed Approve PRNG that takes input a $n$-bit string and gives output a $2n$-bit string?
Apr
7
reviewed Approve Is TrueCrypt's multiple/cascading encryption safe?
Apr
6
reviewed Approve How secure is AES-256?
Mar
30
reviewed Approve ECDSA vs ECIES vs ECDH
Mar
30
revised Have I made any glaring mistakes in my use of Yao's garbled circuits?
edited tags