Re: [cryptography] Security Discussion: Password Based Key Derivation for Elliptic curve Diffie–Hellman key agreement

2013-12-18 Thread SafeChat.IM
Thanks for all the comments so far! Is there a reason you did not consider using OTR? Or another of the many secure chat protocols? We did not want to use OTR, because we do not want to have forward secrecy and message deniability. Our idea is to built an encryption scheme that is

Re: [cryptography] Security Discussion: Password Based Key Derivation for Elliptic curve Diffie–Hellman key agreement

2013-12-18 Thread SafeChat.IM
* aren’t secretly intercepting our messages? Does your platform assume we have to trust *you*? On Dec 18, 2013, at 3:36 AM, SafeChat.IM i...@safechat.im wrote: Thanks for all the comments so far! Is there a reason you did not consider using OTR? Or another of the many secure chat protocols

[cryptography] Security Discussion: Password Based Key Derivation for Elliptic curve Diffie–Hellman key agreement

2013-12-17 Thread SafeChat.IM
Dear mailing list, A friend and me are working on a plugin that enables encryption on top of Facebook messaging. The idea is to encrypt messages before they leave the chat client, sending only the cipher to Facebook and decrypt the message on the receiver client, before it is displayed. The