The article is here: https://www.researchgate.net/publication/360059185_Gasaq_Provably_Secure_Key_Derivation/
Kindly visit the article, and share your honest thoughts in any communication style, even if you are not an expert. Feel free to submit your thoughts here, or under the comments section of the article.
Looking forward to hear your thoughts. Let the fun debates begin!
Best,
M. R.
Update: this is not secure at all. I did many silly mistakes. This paper rightfully got an immediate rejection rejection from the Journal of Cryptology.
I deleted the entries from ResearchGate as it was easier than updating the entries one by one. However, the entry with a warning note about its failure is still in engrXiv in case you want to see it for a good laugh.
https://engrxiv.org/preprint/view/2286
hi,
In cryptography, a key derivation function (KDF) is a cryptographic algorithm that derives one or more secret keys from a secret value such as a main key, a password, or a passphrase using a pseudorandom function (which typically uses a cryptographic hash function or block cipher).Ġasaq; a provably secure key derivation method that, when given access to a true random number generator (TRNG), allows communicating parties, that have a pre-shared secret password p, to agree on a secret key k that is indistinguishable from truly random numbers with a guaranteed entropy.The derivation key index is used to locate the derivation key (i.e. the master DES key) for the issuer BIN, as derived by the online switch in case of EMV cards. .
for more info:
https://cseweb.ucsd.edu/~mihir/papers/3pkd.pdf
best wishes..
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