Ilari Stenroth

X25519 key exchange issues

Discussion created by Ilari Stenroth on Oct 19, 2016
Latest reply on Oct 28, 2016 by Bhushan Lokhande

Issues with X25519:

https://dev.ssllabs.com/ssltest/analyze.html?d=x25519.crypto.report&s=2a03%3ab0c0%3a2%3ad0%3a0%3a0%3adf5%3a2001&latest

  • Chrome 51 handshake simulation reports cipher suite TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 but it's not listed on the cipher suites list on the report page.
  • X25519 ECDH algorithm RSA equivalence is 0 bits

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