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622
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location Netherlands
age 40
visits member for 2 years, 4 months
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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.


Mar
17
revised Cipher Feedback Mode
added a single word "enter" at the right spot
Feb
24
revised Using ECDSA keys for encryption
fixed might -> mind and made text a bit easier to read
Feb
12
revised Should tweak be unique per message?
rewrote to reflect comments of Codes & sashank
Jan
23
revised Keeping IV secret for AES CFB mode
changed title to avoid the idea of dupes as mentioned in the comments
Jan
23
revised Using KDF output for password validation
ammended to cover comment; already using HKDF - put implementation note at the end
Jan
23
revised Using KDF output for password validation
ammended to cover comment; already using HKDF.
Jan
23
revised Calculating amount of time for brute forcing ciphertext depending on the size of the key
edited title
Jan
6
revised What is the difference between PKCS#5 padding and PKCS#7 padding
edited body
Jan
5
revised What is the difference between PKCS#5 padding and PKCS#7 padding
added point that officially PKCS#5 padding is not compatible with AES
Dec
22
revised Is a Mersenne-twister cryptographically secure if I truncate the output?
added warning, removed bold typeface from *personal* conclusion
Dec
22
revised Brute Force on 3DES with Reduced Keyspace and Unknown IV
added 76 characters in body
Dec
11
revised Diffie-Hellman Secret Exponent Size and Shared Secret Usage
added 606 characters in body
Dec
2
revised Purpose of leading zero in PKCS1-v1_5 padding
deleted 4 characters in body
Nov
29
revised How can user privacy be preserved in certificateless cryptography?
formatting
Nov
28
revised Convert a number to sha-1
added part about rainbow tables after a comment from Codes
Nov
24
revised KCV and compatibility with block cipher modes of operation
added 857 characters in body
Nov
11
revised Are there any differences in operation between existing Diffie-Hellman specifications?
than -> then
Nov
11
revised Are there any differences in operation between existing Diffie-Hellman specifications?
Added NIST SP 800-56A to the list of compared DH standards
Nov
9
revised Can Diffie-Hellman generate values in a specified range?
deleted 91 characters in body; edited tags
Nov
7
revised Certificateless cryptography
deleted 12 characters in body