Questions tagged [key-escrow]
The key-escrow tag has no usage guidance.
6
questions
1
vote
0
answers
206
views
Any algorithm with a pair of master keys and multiple pairs of subkey for a secure key escrow?
Note: This question looks like my other question — Any algorithm with a master key for decrypting private key encrypted messages? — which is perfectly answered by @real-or-random, but this one is ...
- 31
2
votes
0
answers
201
views
How to safely double-encrypt a secret?
Imagine two persons: Alice and Bob. We have a generated secret value that is valuable and has to be encrypted in a way that both can't reveal the value on their own but only when they both confirm.
...
- 32.1k
17
votes
5
answers
1k
views
Could one construct a cipher that is secure for friendly parties to use but insecure for hostile parties?
Consider the situation of a nation state (Blue) at war with another nation state (Red). Blue wants to deploy a secure cipher that blue currently can not break, but they are considered that Red could ...
- 441
5
votes
1
answer
974
views
How does partial key escrow work?
It is being speculated that one of the ways that NSA leaker Edward Snowden may have created his "insurance policy" – distributing sensitive documents to various individuals with instructions to ...
- 17.9k
1
vote
1
answer
232
views
RSA Protocol behind Yaksha Security System
So I'm reading over the Yaksha Security System and see it is based on the RSA cryptosystem and a centralized server, easy enough. What I'm slightly confused on is the math behind the related keys.
It ...
- 147k
7
votes
4
answers
3k
views
How to require two keyholders to decrypt a document?
I want to create a system to encrypt a document and store it with a 3rd party, but not have the 3rd party be able to decrypt it until some unspecified later date. It seems like the solution would be ...
CommunityBot
- 1