CODEWITHSUNDEEP
iosobjective-cencryptiondiffie-hellmankdf
Roshit
Roshit

Reputation: 1579

Generate Derived Key from Shared Secret (ECDH-ES) - ConcatKDF

I have used the https://github.com/ricmoo/GMEllipticCurveCrypto to generate a Shared Secret using ECDH Algorithm.

I now have to Generate a Derived Key using the ECDH-ES algorithm as mentioned here: https://www.rfc-editor.org/rfc/rfc7518#section-4.6

I had highly appreciate if someone could guide me in the direction of generating a Derived Key

Upvotes: 12

Views: 3323

Answers (1)

John Tracid
John Tracid

Reputation: 4046

You need to read about KDF in general and HKDF as common example. BTW KDF was mentioned in link you provided.

Upvotes: 2

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