7,197 reputation
21142
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location Netherlands
age 41
visits member for 3 years, 4 months
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Security professional with many years of experience with the practical application of cryptographic algorithms and protocols. I'm helping with the design of protocols and API's within international standardization bodies. Lead developer of a common criteria certified product. Over 30 years of general experience with computers.


Mar
23
reviewed Approve Credit card number encryption using AES counter mode
Mar
4
reviewed Approve AES key from encrypted text and VI
Mar
2
reviewed Approve 128 bit 3DES Key and AES Key: what's the difference?
Jan
25
reviewed Close Fairness in cryptography
Jan
13
reviewed No Action Needed Combining a keystream generator with a block cipher
Jan
13
reviewed No Action Needed Factors of RSA modulus
Jan
13
reviewed No Action Needed Kryptos : K2. What is the origin of the “abscissa” keyword?
Jan
13
reviewed Leave Open (Re-)Using deterministic IV in CTR mode / How to: deterministic AES
Jan
13
reviewed Close Is a Combined Linear Congruential Generator secure for cryptography?
Jan
13
reviewed Leave Open Why are there no MACs inspired by block cipher modes other than CBC and CFB?
Jan
13
reviewed Leave Open Entropy in relation to computer security
Sep
8
reviewed No Action Needed “Practical” operations supported by functional encryption?
Sep
8
reviewed No Action Needed Perfectly secure shift cipher
Sep
3
reviewed Close How Proof all Subgroup point of prime order elliptic curve have prime order [#G=#E]?
Aug
30
reviewed Close Good challenges for a crypto competition for teenagers
Aug
30
reviewed Close Security of very simple XOR with random?
Aug
30
reviewed Close Seemingly simple decryption question
Aug
30
reviewed Close What's the best packet cipher mode for use with UDP for example? Advantages or disadvantages of any alternatives?
Aug
30
reviewed Looks OK What is the most secure hand cipher?
Aug
10
reviewed Leave Open Theoretical attack on RSA