Questions about official cryptographic standards and their implementation.
1
vote
0answers
76 views
Code-breaking software [closed]
Is there any (free?) software available to check for standard encryptions such as Caesar? Advanced encryptions such as RSA, DES, AES, are not necessary.
4
votes
2answers
261 views
Are there any standards of multi-prime RSA key generation?
FIPS 186-3 specifies a method to generate DSA parameters.
Is there anything similar (official standard or widely-accepted recommendation) that shows how to generate the primes for multi-prime RSA?
3
votes
2answers
297 views
How does one calculate the cryptoperiod?
NIST Special Publication 800-57 defines a cryptoperiod as
the time span during which a specific key is authorized for use by legitimate entities, or the keys for a given system will remain in ...
1
vote
1answer
79 views
WebcryptoAPI - secure or not [closed]
This is about the new W3 WebcryptoAPI draft standard.
Here is a post by one of it's authors
https://plus.google.com/u/0/105761279104103278252/posts/CSwVZ1RUijo
It says its in part trying to change ...
2
votes
2answers
422 views
Is RSASSA-PKCS1-v1_5 a good signature scheme for new systems?
Is RSASSA-PKCS1-v1_5 a good signature scheme to recommend that people use in new systems? Is it believed to be secure and represent the state-of-the-art in RSA-based signatures?
I understand that ...
1
vote
2answers
756 views
Secure private key storage
I'm developing application in Java that has to store RSA keys in software for foreseeable future (that is, at least 10 years).
The two most common standards of storing private keys are PKCS12 and JKS ...
2
votes
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 ...