From 451d811c87e09cb0d5ce42f39b54d0a9b0ee05b0 Mon Sep 17 00:00:00 2001 From: Sam Roberts Date: Tue, 18 Dec 2018 11:27:58 -0800 Subject: [PATCH] doc: describe root cert update process PR-URL: https://github.com/nodejs/node/pull/25113 Reviewed-By: James M Snell Reviewed-By: Ben Noordhuis Reviewed-By: Ruben Bridgewater --- doc/guides/updating-root-certs.md | 122 ++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 doc/guides/updating-root-certs.md diff --git a/doc/guides/updating-root-certs.md b/doc/guides/updating-root-certs.md new file mode 100644 index 00000000000000..f25f74a3e7ba8c --- /dev/null +++ b/doc/guides/updating-root-certs.md @@ -0,0 +1,122 @@ +# Updating the Root Certificates + +Node.js contains a compiled-in set of root certificates used as trust anchors +for TLS certificate validation. + +The certificates come from Mozilla, specifically NSS's `certdata.txt` file. + +The PEM encodings of the certificates are converted to C strings, and committed +in `src/node_root_certs.h`. + +## When to update + +Root certificates should be updated sometime after Mozilla makes an NSS release, +check the [NSS release schedule][]. + +## Process + +Commands assume that the current working directory is the root of a checkout of +the nodejs/node repository. + +1. Find NSS metadata for update. + +The latest released NSS version, release date, Firefox version, and Firefox +release date can be found in the [NSS release schedule][]. + +The tag to fetch `certdata.txt` from is found by looking for the release +version in the [tag list][]. + +2. Update `certdata.txt` from the NSS release tag. + +Update the tag in the commands below, and run: +```shell +cd tools/ +./mk-ca-bundle -v 2>_before +curl -O https://hg.mozilla.org/projects/nss/raw-file/NSS_3_41_RTM/lib/ckfw/builtins/certdata.txt +``` + +The `_before` file will be used later. Verify that running `mk-ca-bundle` made +no changes to `src/node_root_certs.h`. If it did, something went wrong with the +previous update. Seek help! + +Update metadata in the message below, and commit `certdata.txt`: + +```text +tools: update certdata.txt + +This is the certdata.txt[0] from NSS 3.41, released on 2018-12-03. + +This is the version of NSS that will ship in Firefox 65 on +2018-12-11. + +[0] https://hg.mozilla.org/projects/nss/raw-file/NSS_3_41_RTM/lib/ckfw/builtins/certdata.txt +``` + +3. Update `node_root_certs.h` from `certdata.txt`. + +Run the command below: + +```shell +./mk-ca-bundle.pl -v 2>_after +``` + +Confirm that `../src/node_root_certs.h` was updated. + +Determine what changes were made by diffing the before and after files: +```shell +% diff _before _after +11d10 +< Parsing: Visa eCommerce Root +106d104 +< Parsing: TÜRKTRUST Elektronik Sertifika Hizmet Sağlayıcısı H5 +113,117d110 +< Parsing: Certplus Root CA G1 +< Parsing: Certplus Root CA G2 +< Parsing: OpenTrust Root CA G1 +< Parsing: OpenTrust Root CA G2 +< Parsing: OpenTrust Root CA G3 +134c127,136 +< Done (133 CA certs processed, 20 skipped). +--- +> Parsing: GlobalSign Root CA - R6 +> Parsing: OISTE WISeKey Global Root GC CA +> Parsing: GTS Root R1 +> Parsing: GTS Root R2 +> Parsing: GTS Root R3 +> Parsing: GTS Root R4 +> Parsing: UCA Global G2 Root +> Parsing: UCA Extended Validation Root +> Parsing: Certigna Root CA +> Done (135 CA certs processed, 16 skipped). +``` + +Use the diff to update the message below, and commit `src/node_root_certs.h`: +```text +crypto: update root certificates + +Update the list of root certificates in src/node_root_certs.h with +tools/mk-ca-bundle.pl. + +Certificates added: +- GlobalSign Root CA - R6 +- OISTE WISeKey Global Root GC CA +- GTS Root R1 +- GTS Root R2 +- GTS Root R3 +- GTS Root R4 +- UCA Global G2 Root +- UCA Extended Validation Root +- Certigna Root CA + +Certificates removed: +- Visa eCommerce Root +- TÜRKTRUST Elektronik Sertifika Hizmet Sağlayıcısı H5 +- Certplus Root CA G1 +- Certplus Root CA G2 +- OpenTrust Root CA G1 +- OpenTrust Root CA G2 +- OpenTrust Root CA G3 +``` + +[NSS release schedule]: https://wiki.mozilla.org/NSS:Release_Versions +[tag list]: https://hg.mozilla.org/projects/nss/tags