307 reputation
110
bio website
location United Kingdom
age
visits member for 1 year, 1 month
seen Nov 7 at 17:09

Oct
25
awarded  Yearling
Oct
21
awarded  Curious
Oct
20
accepted Does a stream cipher require a KDF when it's key is variable length?
Oct
20
asked Does a stream cipher require a KDF when it's key is variable length?
Aug
31
comment Do any non-US ciphers exist?
Thanks e-sushi!
Aug
29
revised Do any non-US ciphers exist?
added 80 characters in body
May
12
comment How can the key size be calculated
Can you round up the result of log_2? Please validate my answer :)
Apr
22
comment How vulnerable is the C rand() in public cryptography protocols?
LCG rand in standard C can probably be written in one or two statements.
Apr
4
awarded  Citizen Patrol
Apr
4
awarded  Commentator
Apr
4
comment Is that possible to use encryption higher than 256-bit?
Ciphers can be added by means of TLS extensions. A complete list of cipher suites, including those added by extensions, can be found here iana.org/assignments/tls-parameters/tls-parameters.xhtml
Apr
3
revised Do any non-US ciphers exist?
added 288 characters in body
Mar
28
awarded  Critic
Mar
23
awarded  Quorum
Mar
21
comment SHA-224 Purpose
My mistake. Thanks for clarification.
Mar
21
comment SHA-224 Purpose
So, in short, it's not an arbitrary number; it is precisely half the length of a 3DES key. Thanks!
Mar
21
accepted SHA-224 Purpose
Mar
21
asked SHA-224 Purpose
Feb
10
answered Is there a standard way to extend the output of a hash?
Jan
28
revised One-way function and uninvertible function
deleted 5 characters in body