The cryptographic-hardware tag has no wiki summary.
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488 views
HRNG for One Time Pad
I have just advanced to the last grade of high school (in Denmark). In this year, we all get to do one big project, where we can build/invent/create whatever we want to "solve a problem". As I study ...
5
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2answers
521 views
Accelerating SHA-1
I have a program where computing SHA-1 is the bottleneck. This is using OpenSSL 1.0.0e on a 2.6Ghz 16-core Opteron where I get about 325MiB/s throughput. (SHA1 here is via Andy Polyakov's x86-64 ...
4
votes
1answer
142 views
Is there an algorithm or hardware that can sign/verify natural time?
PGP/GPG can used to sign text, others use public key to verify them.
So one could say, that these cryptographic algorithms deal with space.
Are there any algorithms that can deal with time?
E.g. I ...
3
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1answer
254 views
What is a smart card?
In many cryptographic protocols, some information is transmitted within smart cards. So, what is a smart card? Is it a physical card? What are they used for in cryptographic protocols?
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2answers
124 views
How long does it take to extract a key from a FIPS-140 Level 2 device?
How long does it take to extract a key from a FIPS-140 Level 2 device? What records are there of successful extraction? How much did the first extraction from a given device cost? How much would a ...
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2answers
139 views
Is it worth applying a MAC on data in a HSM?
I'm building a basic HSM out of an Arduino, and am using the following scheme to store data:
Master symmetric key $k_m$ stored in firmware (secure bit set to prevent trivial extraction).
Secondary ...
1
vote
2answers
215 views
Avalanche noise RNG for one-time pad use
I came across this little HRNG widget and was really intrigued as I have been looking for a decent but afordable source for truly random bits to use in a one-time pad.
The question is, would a HRNG ...
0
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1answer
263 views
Learning cryptography using a FPGA
I have a FPGA and am curious what cryptographic applications I can use with it. I'm just a hobbyist / security researcher and not a professional cryptographer.
Since I'm creating my own curriculum, ...
