4,241 reputation
731
bio website
location Netherlands
age 40
visits member for 2 years, 9 months
seen 4 hours ago

Java and security expert with over 10 years of experience with the language and with the practical application of cryptographic protocols - including the design of protocols within international standardization bodies. Creator of a heavily used common criteria certified product. Over 30 years of experience with computers. Likes kids, cats, reading, movies and several sports.


10h
revised How is the following different than RSA Signing of a document?
added 1 character in body
2d
revised Are partial hashes used in cryptographic protocols?
made the question as little opinion based as possible
Aug
30
revised How should I treat a new cipher release like Spritz?
added 141 characters in body
Aug
28
revised Proving HMAC collision probability bounds?
formatting, removed some spurious stuff
Aug
27
revised Is hashing a list of hashes safe?
added 44 characters in body
Aug
27
revised Partial hash code protocol for security tokens providing signatures
added 58 characters in body; edited title
Aug
27
revised cmac wiki description
added part about naming (after research and a question about it on crypto)
Aug
26
revised What's the best packet cipher mode for use with UDP for example? Advantages or disadvantages of any alternatives?
added 263 characters in body
Aug
26
revised Partial hash code protocol for security tokens providing signatures
added ISO 7816-8 ref & partial hash notion
Aug
26
revised Partial hash code protocol for security tokens providing signatures
edited body
Aug
26
revised What's the best packet cipher mode for use with UDP for example? Advantages or disadvantages of any alternatives?
added 260 characters in body
Aug
23
revised What's the best packet cipher mode for use with UDP for example? Advantages or disadvantages of any alternatives?
added 57 characters in body
Aug
23
revised Is it secure to derive an AES key from a MAC?
added 151 characters in body
Aug
21
revised pbkdf wiki description
key strengthening -> key stretching; added 27 characters in body
Aug
21
revised pbkdf wiki excerpt
key strengthening -> key stretching; deleted 260 characters in body
Aug
21
revised Is this a plausible PBKDF?
edited tags; edited tags
Aug
20
revised Recover plaintext from truncated ciphertext using AES for FPE
deleted 516 characters in body
Aug
20
revised A patched SHA1 attempt for password verification
edited tags; edited title
Aug
17
revised How can I fix a corrupted PGP file?
deleted 18 characters in body
Aug
16
revised Advantages of 64-bit CPU smartphone
added 18 characters in body