10,054 reputation
12451
bio website github.com/CodesInChaos
location Frankfurt, Germany
age
visits member for 3 years, 4 months
seen 6 hours ago

Jun
13
revised What are the advantages of TOTP over HOTP?
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Jun
13
revised synchronization of counters in HOTP
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Jun
13
revised Is it considered insecure in an HOTP implementation to publicly provide the next counter?
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Jun
13
revised Why does HOTP use such a complex truncate function?
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Jun
13
revised How does HOTP keep in sync?
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Jun
13
revised Which categories of cipher are semantically secure under a chosen-plaintext attack?
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Jun
13
revised Is it generally possible to employ brute force methods when the encryption scheme is not known? Why or why not?
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Jun
13
revised Why use an Initialization Vector (IV)?
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Jun
13
revised Questions about Key Derivation Functions
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Jun
13
revised GGM PRG construction: Why do we need to change keys all the time with underlying PRG
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Jun
13
revised How does the birthday attack work in AUTH and UF-CMA games?
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Jun
13
revised Are there any authoritative definitions of “key stretching”?
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Jun
13
revised What is difference between PRG, PRF, and PRP
deleted 4 characters in body; edited tags
Jun
13
revised Can one detect if two pairs of elements in Zp have the same exponential relation?
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Jun
13
wiki created pki description
Jun
13
wiki created pki excerpt
Jun
13
comment Can Poly1305 be used with block ciphers running in CTR mode?
A block cipher in CTR mode is a stream cipher.
Jun
12
comment Why is it impractical to generate a semiprime dictionary?
The problem is that there more than $2^{1000}$ primes that fall into the range of RSA-2048. Totally infeasible to find them all.
Jun
12
comment Algorithm: How to use x and y mouse movement co-ordinates to generate random data?
stuff them all into a crypto hash such as SHA-512.
Jun
11
revised Preimage resistance hash in digital signature
added 27 characters in body