Questions tagged [x25519]

17 questions
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Where can I find the Curve25519 derive method implementation?

I'm playing with python library cryptography using openssl and x25519. By looking for the code of EVP_PKEY_derive I can see: ret = ctx->op.kex.exchange->derive(ctx->op.kex.exchprovctx, key, pkeylen, …
Guillaume Cisco
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Unable to Decrypt in Python using X25519 Keys for Cipher encrypted in Java

I am trying to implement cipher text decryption on cipher generated using key derivation on X25519 algorithm. While I am able to decrypt using private key generated in my system on Java, it fails on python. Java code is using generate secret with…
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