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Questions tagged [key-server]

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2
votes
1answer
100 views

Encryption Engine vs Key Server

What is the difference (if any) between a Key Server and an Encryption Engine? Is a Key Server also the same as a Key Manager? I've seen the terms Encryption Engine, Key Server and Key Manager used ...
6
votes
1answer
5k views

Sending the GPG key to keyserver

Today I started learning how to work with GPG keys. I successfully generated a pair for me, and imported some other keys, encrypted some files and successfully decrypted them. I want to send my GPG ...
1
vote
4answers
137 views

RAID on HSM network

I want to implement a network of HSMs to secure millions of private keys. To increase fault tolerance and speed, I would want this network to run RAID 50 (striping, parity and duplication). As I ...
2
votes
1answer
2k views

How do I check who a public PGP/RSA key belongs to?

I am new to public key cryptography. I see from keyservers it's possible to do a look up for public keys associated with an email address. Is there a reverse function available to check what email/...
0
votes
1answer
369 views

How to store encrypted user's data on a server, decrypt only on the client, and store the key elsewhere?

Here's what I would like to do: have a client side that generates and processes the user's data, then encrypts it and stores in a database - in order to later retrieve, decrypt and process the data ...
0
votes
1answer
104 views

Why isn't PGP used to authenticate with keyservers?

OpenPGP can be used to sign messages / authenticate. Why is this not required by keyservers to ensure that only the owner of the private key can upload / modify / remove the public key on the server? ...
0
votes
2answers
135 views

Why isn't its mandatory for the keyservers to be only available via HTTPS?

If I Google for inurl:http+keyserver, on the first 10 pages of hits I can find these: http://pool.sks-keyservers.net/ http://keyserver.ubuntu.com/ http://www.uk.pgp.net/pgpnet/wwwkeys.html http://...
7
votes
1answer
971 views

How is HSM access gated?

On the backend if I use a HSM (or even have the master key on a physical server), I need to do operations using that key. That means the app server is going to call into the HSM (or keyserver). What ...
1
vote
1answer
299 views

What to share (OpenPGP key ID or fingerprint) once key uploaded on key server?

I have uploaded my public key on: https://sks-keyservers.net/ When sending mails, I want to notify the recipients about my public key just in case they want to use it. Since the key is on key server,...
4
votes
2answers
281 views

Comparing allegedly identical OpenPGP keys published through different channels

tldr version: When I try to compare public keys that are supposed to be for the same entity the versions I get through different channels are NOT the same and the ones that I download as a file like ...
1
vote
2answers
487 views

Best encryption mechanism for message storage/exchange in client/server application

So I am building a client/server system that is similar to email idea where clients exchange messages through the server with the following main requirements (note that the clients are pre-registered ...
4
votes
1answer
297 views

What would happen if a public key server is compromised?

What would happen if in someway a public key server, let's say the MIT PGP key server, was compromised and some keys would be edited to an attacker's public key? Is this even possible? Would that be ...
0
votes
1answer
51 views

PGP Key Servers Verification Mail? [duplicate]

Why do existing PGP key servers not perform e-mail verification? Wouldn't it help the problem of authenticating of public keys? By e-mail verification/confirmation I mean a single e-mail sent to the ...
1
vote
0answers
766 views

`gpg --keyserver subkeys.pgp.net` triggers error `armor-keys-failed`

$ gpg --keyserver subkeys.pgp.net --recv-key 0xXXXXXXXXXXXXXXXX gpg: requesting key FDXXXXXX from hkp server subkeys.pgp.net gpg: DBG: armor-keys-...
5
votes
1answer
2k views

How long before a key is visible on a key server?

I am playing with GPGTools on a Mac and quite liking it so far, the GUI makes it nice to handle keys. I am using the default hkps://hkps.pool.sks-keyservers.net key server, to which I have uploaded my ...