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open-vault/changelog/16494.txt

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Allow old certs to be cross-signed (#16494) * Allow old certs to be cross-signed In Vault 1.11, we introduced cross-signing support, but the earlier SKID field change in Vault 1.10 causes problems: notably, certs created on older versions of Vault (<=1.9) or outside of Vault (with a different SKID method) cannot be cross-signed and validated in OpenSSL. In particular, OpenSSL appears to be unique in requiring a SKID/AKID match for chain building. If AKID and SKID are present on an otherwise valid client/parent cert pair and the values are different, OpenSSL will not build a valid path over those two, whereas most other chain validation implementations will. Regardless, to have proper cross-signing support, we really aught to support copying an SKID. This adds such support to the sign-intermediate endpoint. Support for the /issue endpoint is not added, as cross-signing leaf certs isn't generally useful and can accept random SKIDs. Resolves: #16461 Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com> * Add changelog Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com> * Address review feedback, fix tests Also adds a known-answer test using LE R3 CA's SKID. Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com> * Address review feedback regarding separators Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>
2022-08-03 13:34:21 +00:00
```release-note:improvement
secret/pki: Allow specifying SKID for cross-signed issuance from older Vault versions.
```