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  • 0 posts edited
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  • 31 votes cast
Jan
10
comment Feedback on rolling my own entropy gatherer
So you are saying collect the whole message (including parts that are always the same), don't bother stirring it, and then use a SHA-256 hash to retrieve a value to use as a seed? How often should the pool be flushed or new entropy be gathered?
Jan
10
comment Would it be secure to use random numbers from random.org in a cryptographic solution?
@mikeazo: So as long as Random.org is not the attacker it would work.
Jan
10
comment Would it be secure to use random numbers from random.org in a cryptographic solution?
So there is no use for them in cryptography?
Jan
10
asked Would it be secure to use random numbers from random.org in a cryptographic solution?
Jan
10
asked Feedback on rolling my own entropy gatherer
Jan
10
awarded  Editor
Jan
10
revised two public keys with same passphrase insecure? | can two hashes be compared?
considering different hashes
Jan
10
comment two public keys with same passphrase insecure? | can two hashes be compared?
@mikeazo: At best the attacker gets a two for one, but since the user withdraws the first key it gets the attacker no where. If both keys use a secure hash algorithm then they are both as secure for reversing to the passphrase.
Jan
10
awarded  Teacher
Jan
10
answered two public keys with same passphrase insecure? | can two hashes be compared?
Jan
10
answered Is it possible to validate a Public Key in RSA?
Oct
25
accepted How to require two keyholders to decrypt a document?
Oct
24
comment How to require two keyholders to decrypt a document?
They are "trusted" but it is a matter of timing and liability. If they cannot decrypt it until a specific time, then they are not liable for it.
Oct
24
comment How to require two keyholders to decrypt a document?
Who knew XOR would be the "best practice" answer to a question on Cryptography.
Oct
24
asked How to require two keyholders to decrypt a document?
Jul
13
awarded  Scholar
Jul
13
accepted Salting when encrypting?
Jul
13
comment Salting when encrypting?
I asked him if he was referring to the initialization vector, and that is what it sounds like from that explanation. Thanks!
Jul
13
awarded  Student
Jul
12
comment Salting when encrypting?
I thought I misunderstood too, which is why I asked for clarification.