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| -rw-r--r-- | tools/update-verify/release/mar_certs/README | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tools/update-verify/release/mar_certs/README b/tools/update-verify/release/mar_certs/README new file mode 100644 index 0000000000..dd931ef1d3 --- /dev/null +++ b/tools/update-verify/release/mar_certs/README @@ -0,0 +1,29 @@ +These certificates are imported from mozilla-central (https://hg.mozilla.org/mozilla-central/file/tip/toolkit/mozapps/update/updater) +and used to support staging update verify jobs. These jobs end up replacing the certificates within the binaries +(through a binary search and replace), and must all be the same length for this to work correctly. If we recreate +these certificates, and the resulting public certificates are not the same length anymore, the commonName may be +changed to line them up again. https://github.com/google/der-ascii is a useful tool for doing this. For example: + +To convert the certificate to ascii: +der2ascii -i dep1.der -o dep1.ascii + +Then use your favourite editor to change the commonName field. That block will look something like: + SEQUENCE { + SET { + SEQUENCE { + # commonName + OBJECT_IDENTIFIER { 2.5.4.3 } + PrintableString { "CI MAR signing key 1" } + } + } + } + +You can pad the PrintableString with spaces to increase the length of the cert (1 space = 1 byte). + +Then, convert back to der: +ascii2der -i dep1.ascii -o newdep1.der + +The certificats in the sha1 subdirectory are from +https://hg.mozilla.org/mozilla-central/file/0fcbe72581bc/toolkit/mozapps/update/updater +which are the SHA-1 certs from before they where updated in Bug 1105689. They only include the release +certs, since the nightly certs are different length, and we only care about updates from old ESRs. |