Namecoin can be used for TLS certificate validation. This page covers Namecoin’s compatibility with various TLS implementations.

TLS Validation Library Compatibility

  Positive Overrides Negative Overrides
Chromium (all OS’s) Not supported. Supported via tlsrestrict_chromium_tool.
CryptoAPI (Windows) Supported via ncdns’s certinject feature. Not supported.
mozilla::pkix/NSS/sqlite (OS’s with NSS certutil) Supported via ncdns’s tlsoverridefirefox feature. Supported via tlsrestrict_nss_tool.
mozilla::pkix/NSS/sqlite (OS’s without NSS certutil) Supported via ncdns’s tlsoverridefirefox feature. Not supported.
mozilla::pkix/NSS/BDB Supported via ncdns’s tlsoverridefirefox feature. Not supported.
mozilla::pkix/NSS/PKCS#11 Supported via ncp11. Supported via ncp11.
NSS/sqlite (OS’s with NSS certutil) Supported via ncdns’s certinject feature. Supported via tlsrestrict_nss_tool.

TLS Application Compatibility

  Positive Overrides Negative Overrides
Chromium (GNU/Linux)
Instructions
Supported via NSS/sqlite. Supported via Chromium.
Supported via NSS/sqlite.
Chromium (Windows)
Automatically enabled by installer
Supported via CryptoAPI. Supported via Chromium.
Firefox (GNU/Linux)
Instructions
Supported via mozilla::pkix/NSS/sqlite. Supported via mozilla::pkix/NSS/sqlite.
Firefox (Windows)
Instructions
Supported via mozilla::pkix/NSS/sqlite. Supported via mozilla::pkix/NSS/sqlite.
Google Chrome (GNU/Linux) Supported via NSS/sqlite. Supported via Chromium.
Supported via NSS/sqlite.
Google Chrome (Windows)
Automatically enabled by installer
Supported via CryptoAPI. Supported via Chromium.
Google Chrome Canary (GNU/Linux) Supported via NSS/sqlite. Supported via Chromium.
Supported via NSS/sqlite.
Google Chrome Canary (Windows)
Automatically enabled by installer
Supported via CryptoAPI. Supported via Chromium.
Opera (GNU/Linux) Supported via NSS/sqlite. Supported via Chromium.
Supported via NSS/sqlite.
Opera (Windows)
Automatically enabled by installer
Supported via CryptoAPI. Supported via Chromium.
Tor Browser (GNU/Linux)
Instructions
Supported via mozilla::pkix/NSS/PKCS#11. Supported via mozilla::pkix/NSS/PKCS#11.
Tor Browser (macOS)
Instructions
Supported via mozilla::pkix/NSS/PKCS#11.
Untested
Supported via mozilla::pkix/NSS/PKCS#11.
Untested
Tor Browser (Windows)
Instructions
Supported via mozilla::pkix/NSS/PKCS#11. Supported via mozilla::pkix/NSS/PKCS#11.