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seen Dec 24 at 1:37

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Dec
23
answered Why do these Python XTEA implementations require different deltas?
Dec
22
suggested rejected edit on Brute Force on 3DES with Reduced Keyspace and Unknown IV
Dec
22
answered Brute Force on 3DES with Reduced Keyspace and Unknown IV
Dec
21
comment Brute Force on 3DES with Reduced Keyspace and Unknown IV
Do you anything about the second half of the key (e.g., it consists only of letters) or is it a pseudo-random string?
Dec
21
comment Brute Force on 3DES with Reduced Keyspace and Unknown IV
Do you know which mode of operation has been used? How long is the key?
Dec
17
comment Scrypt's maximum strength to increase entropy of lame passwords
@user4982: You can try to brute-force a password with pretty much every programmable electronic device with enough memory, but the estimated costs of the slides (and paper) use 2002 ASIC technology.
Dec
17
answered Scrypt's maximum strength to increase entropy of lame passwords
Dec
17
comment Is there a general method to crack this type of fractionating cipher?
How are spaces encoded?
Dec
9
awarded  Nice Answer
Oct
17
awarded  Yearling
Oct
2
awarded  Enlightened
Oct
2
awarded  Nice Answer
Jan
20
answered How does using salt reduce rainbow table attack?
Jan
18
answered Difference between Rijndael 128 / 256 blocksize implementations? (and impact of block size in general)
Jan
13
revised Benefit of combining classical substitution ciphers with modern cryptography
added 31 characters in body
Jan
4
awarded  Commentator
Jan
4
comment Will length-extension work if secret is not prefixed but appended to the data?
No it isn't. But compared to, e.g., HMAC, it suffers from other flaws. See: Why is h(m||k) insecure?
Jan
3
revised Do known-plaintext attacks exist for public key encryption?
deleted 112 characters in body
Jan
3
answered Do known-plaintext attacks exist for public key encryption?
Dec
31
answered Benefit of combining classical substitution ciphers with modern cryptography