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OpenPGP Keyserver VS SKS OpenPGP Key server

Compare OpenPGP Keyserver VS SKS OpenPGP Key server and see what are their differences

OpenPGP Keyserver logo OpenPGP Keyserver

Pool of places to publish and search OpenPGP public keys.

SKS OpenPGP Key server logo SKS OpenPGP Key server

The place to publish and search OpenPGP public keys.
  • OpenPGP Keyserver Landing page
    Landing page //
    2019-05-18
  • SKS OpenPGP Key server Landing page
    Landing page //
    2023-07-12

OpenPGP Keyserver features and specs

  • Decentralized Architecture
    OpenPGP Keyservers use a decentralized network, meaning there is no single point of failure. This ensures redundancy and reliability in accessing public keys.
  • Public Key Accessibility
    The keyserver network provides a centralized repository for users to upload and search for public keys, simplifying the process of key distribution.
  • Historical Data
    Keyservers maintain records of older keys and their history, which can be useful for audits or verifying past communications.
  • Community-Driven
    The OpenPGP keyserver network is maintained by volunteers and is open source, promoting transparency and community collaboration.

Possible disadvantages of OpenPGP Keyserver

  • Lack of Key Removal
    Once a key is uploaded, it cannot be removed from the keyserver network, which can lead to issues with outdated or compromised keys remaining accessible.
  • Spam and Key Overload
    Keyservers can be flooded with spam keys or outdated information, making it difficult for users to find valid or relevant keys.
  • Vulnerability to Abuse
    The open nature of keyservers can make them targets for malicious actors who wish to upload fraudulent keys or link malicious identities to genuine ones.
  • Privacy Concerns
    Since the keyserver network can be openly queried, there are potential privacy issues regarding who is uploading or searching for certain keys.

SKS OpenPGP Key server features and specs

  • Decentralized Network
    The SKS OpenPGP Key server is part of a decentralized network, which means it doesn't rely on a single point of failure and can continue to provide services even if parts of the network go down.
  • Open Source
    The software running on SKS Key servers is open source, allowing users to review the code for security flaws or implement improvements, enhancing transparency and trustworthiness.
  • Interoperability
    The SKS Key server network allows for interoperability with other OpenPGP-compliant software and servers, making it easier to share public keys across different systems and users.
  • Automated Key Synchronization
    Keys uploaded to any SKS server are synchronized automatically across the network, ensuring widespread availability and ease of use for those searching for public keys.

Possible disadvantages of SKS OpenPGP Key server

  • Data Inaccuracy
    Since anyone can upload keys, the network can contain outdated or inaccurate data, which could result in trust issues if users find and use invalid keys.
  • Lack of Key Revocation
    Once a key is submitted to the SKS server, it's difficult to remove, including revoked keys, which can continue to be distributed and potentially misused.
  • Privacy Concerns
    The open nature of the server means that uploaded keys and some associated metadata are publicly visible, which can raise privacy concerns for individuals sensitive to exposure.
  • Limited Metadata Management
    The SKS Key server software has limited ability to manage or verify the authenticity of metadata associated with keys, which can impact the trustworthiness of the information provided.

OpenPGP Keyserver videos

Lesson 6: Submit your public key to the OpenPGP Keyserver

SKS OpenPGP Key server videos

No SKS OpenPGP Key server videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to OpenPGP Keyserver and SKS OpenPGP Key server)
Security & Privacy
61 61%
39% 39
Email
59 59%
41% 41
Cloud Storage
60 60%
40% 40
Email Clients
100 100%
0% 0

User comments

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Social recommendations and mentions

Based on our record, OpenPGP Keyserver seems to be more popular. It has been mentiond 6 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

OpenPGP Keyserver mentions (6)

  • Emacs 29 is nigh What can we expect?
    The signature works fine over HTTP/FTP because it needs to be combined with a public key you already have (e.g. a distro package manager will already have the public key for all the packages), or a public key you will go get from a different source, e.g. https://sks-keyservers.net, and it's hard for a middle-man to compromise both. - Source: Hacker News / over 2 years ago
  • keys.gnupg.net down, no longer resolves
    Yes, but I am asking if the reasons for shutting down https://sks-keyservers.net were valid. So far I have not seen any reasonable discussion. Source: almost 4 years ago
  • Future of Key-Pools
    I noticed that I could not search on the server in Kleopatra. So I went to the page https://sks-keyservers.net/ and was struck by the header message:. Source: almost 4 years ago
  • Keyservers are gone
    I can't find any reliable keyservers since sks-keyservers.net was taken down yesterday. Source: almost 4 years ago
  • PSA: you need to update your keyserver
    SKS keyservers has been shut down owing to GDPR filings. See https://sks-keyservers.net/. Source: almost 4 years ago
View more

SKS OpenPGP Key server mentions (0)

We have not tracked any mentions of SKS OpenPGP Key server yet. Tracking of SKS OpenPGP Key server recommendations started around Mar 2021.

What are some alternatives?

When comparing OpenPGP Keyserver and SKS OpenPGP Key server, you can also consider the following products

OpenPGP - The most widely used email encryption standard. Defined in RFC 4880.

Mailvelope - Mailvelope open source project. OpenPGP in your browser.

MIT PGP Public Key Server - The place to publish and search OpenPGP public keys.

GnuPG - GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).

Skizzle Email - Skizzle is the most secure way to share end-to-end encrypted files through email, backed by blockchain

Kleopatra - Kleopatra is a certificate manager and GUI for GnuPG.