170 reputation
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location United Kingdom
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visits member for 5 months
seen 56 mins ago

Apr
11
comment After heartbleed, how can you safely distribute new certs?
I do not expect that root certificates are actually used for TLS sessions. They are probably just used for signing other certificates.
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
Jan
28
revised One-way function and uninvertible function
added 128 characters in body
Jan
28
answered One-way function and uninvertible function
Dec
21
revised Is SSL broken? If so, what can I do about it?
Fixed a small typo.
Dec
21
suggested suggested edit on Is SSL broken? If so, what can I do about it?
Dec
17
revised Would it be possible to create a game where one would need to decrypt a simple encryption?
edited body
Dec
17
answered Would it be possible to create a game where one would need to decrypt a simple encryption?
Dec
12
comment Do test vectors ensure a cipher is free of backdoors?
You can't change S-Box's without breaking compatibility with other implementations.