257 reputation
18
bio website stackoverflow.com
location United States
age 34
visits member for 2 years, 7 months
seen Oct 25 '13 at 12:32
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Jul
27
awarded  Nice Question
Jul
6
awarded  Commentator
Jul
6
comment What is the best way to send two floating point numbers to a server on the internet from a small device such as an arduino?
You only have to write to EEPROM the nonce or counter value you will resume from in case of power loss. You could increment it by quite a large number to manage write wear.
Jul
5
awarded  Teacher
Jul
5
revised What is the best way to send two floating point numbers to a server on the internet from a small device such as an arduino?
added 62 characters in body
Jul
5
answered What is the best way to send two floating point numbers to a server on the internet from a small device such as an arduino?
Apr
1
accepted How do I unpack the x and y values from the BITSTRING in a DER ECDSA public key?
Mar
29
revised How do I unpack the x and y values from the BITSTRING in a DER ECDSA public key?
make it clearer that I want to know about the public key
Mar
28
revised How do I unpack the x and y values from the BITSTRING in a DER ECDSA public key?
added 134 characters in body
Mar
28
comment How do I unpack the x and y values from the BITSTRING in a DER ECDSA public key?
How about the public key?
Mar
27
asked How do I unpack the x and y values from the BITSTRING in a DER ECDSA public key?
Feb
8
comment Tell me about non-MD5/SHA1 key fingerprints
I recall reading some standard about taking the SHA2 hash of a DER representation of the private key, and a standard name for this kind of fingerprint.
Feb
6
asked Tell me about non-MD5/SHA1 key fingerprints
Oct
15
accepted Should I use md5 for my new application?
Sep
21
awarded  Yearling
Sep
18
comment Is the mod_auth_tkt scheme secure?
With HMAC you can feed key+ipad and key+opad to two instances of the hash function, and then clone the hash function state to sign any number of messages. So you only have to hash the key twice to sign any number of messages.
Sep
18
accepted Is the mod_auth_tkt scheme secure?
Sep
18
asked Is the mod_auth_tkt scheme secure?
Aug
21
asked Is it possible to pick your Ed25519 public key?
Jul
31
asked Are there any systems like SDSI / SPKI that are currently being developed?