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Oct
21
comment Can Secp 256 K1 curves “map” to a value on FIPS 186-3 or P-256?
@CodesInChaos I don't know how to even begin to define equivalence in curves. Could FIPS 186-3 be equivalent?
Oct
21
comment Can Secp 256 K1 curves “map” to a value on FIPS 186-3 or P-256?
@RichieFrame UProve also uses a subgroup variant which is FIPS 186-3 finite field based DSA. Would that mean a mapping is possible
Oct
21
awarded  Excavator
Oct
21
revised Why is elliptic curve cryptography not widely used, compared to RSA?
FIPS 186-3 has been superseded with FIPS 186-4 - updated link
Oct
21
suggested approved edit on Why is elliptic curve cryptography not widely used, compared to RSA?
Oct
21
asked Can Secp 256 K1 curves “map” to a value on FIPS 186-3 or P-256?
Sep
27
comment How can two UProve token holders prove to a 3rd party that they aren't the same user?
What information would be in that attribute? Is it encrypted data?
Sep
19
comment What is the lowest level of mathematics required in order to understand how encryption algorithms work?
Related How do I learn Cryptographic/Mathematical notation
Aug
13
accepted Technical details of attack on Android bitcoin usage of SecureRandom
Aug
12
revised Technical details of attack on Android bitcoin usage of SecureRandom
added 67 characters in body
Aug
12
asked Technical details of attack on Android bitcoin usage of SecureRandom
Aug
4
awarded  Yearling
Jul
22
comment How can I tell which curve a given ECDSA implementation uses? (P-521 or something else)
I just purchased that $99 book the other day. Glad to know I have the right study material. Thanks for confirming that, and let me know if you come across anything else I should know
Jul
22
comment How can I tell which curve a given ECDSA implementation uses? (P-521 or something else)
I'd like to study the equation 'y^2 = x^3 + ax + b` in more depth. Where should I begin? (how are those variables generated, what are known weaknesses, etc?)
Jul
22
accepted How can I tell which curve a given ECDSA implementation uses? (P-521 or something else)
Jul
22
revised How can I tell which curve a given ECDSA implementation uses? (P-521 or something else)
deleted 4 characters in body
Jul
22
asked How can I tell which curve a given ECDSA implementation uses? (P-521 or something else)
Jul
4
comment Given a message and signature, find a public key that makes the signature valid
Note: If you didn't intend to make this "community wiki" you can flag this for a moderator to undo that... and you can continue to gain reputation for the posting.
Jul
3
accepted Why is “mod(n)” so central to most aspects of cryptography?
Jul
3
comment Why is “mod(n)” so central to most aspects of cryptography?
In an OTP, XOR was explained to me as having a 50% chance of being 1 or 0, resulting in an output with perfect secrecy (up the the limits of the PRG). Is it true that any modulo done in base 10 has a 10% chance of being a given number? If the answer is yes, then I am totally on board.