Cryptography A response to “Responsible Encryption” |
- A response to “Responsible Encryption”
- is this protocol safe ?
- Seeking legal advice for implementing encryption on my website
- Using public key signing instead of AEAD mode
- AES Cryptanalysis with Kendall's tau
| A response to “Responsible Encryption” Posted: 18 Nov 2017 09:53 AM PST |
| Posted: 18 Nov 2017 01:12 PM PST Hi, I try to solve following problem. Both Alice and Bob know some secret random token T. Alice wants to share with Bob her new public key so that no one can tamper it and in addition token T remains secret. Alice do following in order to securelly transefr new public key: 1) Alice encrypt secret token with her new public key: ET = E(pubK,T) 2) Alice sends to Bob a message that consist of two elements: M = (ET, pubK) Bob do following veryfication: 1) Bob encrypt token T with new public key he get from Alice: ETB = E(pubK,T) 2) Bob check if ETB = ET - if so then new public key belong to Alice and was not tampered. Is this protocol secure for Alice and Bob ? [link] [comments]  |
| Seeking legal advice for implementing encryption on my website Posted: 18 Nov 2017 04:16 PM PST Crosspost: https://www.reddit.com/r/Iota/comments/7dwxgr/seeking_legal_advice_for_implementing_encrypted/ I am the author of Chatangle (https://www.chatangle.com/), a free, decentralized, global chatroom, powered by the IOTA tangle. I want to implement privacy/encryption, but I know there are legal issues with that (I live in the USA). Does anyone know an attorney dealing with cryptographic laws here? We can do PMs through reddit or my twitter: https://twitter.com/pryszkie [link] [comments]  |
| Using public key signing instead of AEAD mode Posted: 18 Nov 2017 10:47 AM PST Is it correct to assume that instead of AEAD mode I can use unauthenticated encryption mode (e.g. AES-CTR) and public key signing of concatenated associated data and ciphertext? In other words if I have unauthenticated ciphertext and plain data, can I calculate sign = PKS(data || ciphertext, secret_key) and send "sign || public_key || data || ciphertext"? (PKS here is for example ed25519) [link] [comments]  |
| AES Cryptanalysis with Kendall's tau Posted: 18 Nov 2017 02:24 AM PST |
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