If the input key asserts that it is a PKCS#1 key ("BEGIN RSA PRIVATE
KEY"), we can safely return the error from parsing as PKCS1, rather than
trying all key types and returning a generic error.
The iotuil package has been deprecated since go1.16; the various
functions it provided now exist in the os and io packages. Replace all
instances of ioutil with either io or os, as appropriate.
Incidents of key compromise where proof is supplied in the form of a private key
have historically been labor intensive for SRE. This PR seeks to automate the
process of embedded public key validation , query for issuance, revocation, and
blocking by SPKI hash.
For an example of private keys embedding a mismatched public key, see:
https://blog.hboeck.de/archives/888-How-I-tricked-Symantec-with-a-Fake-Private-Key.html.
Adds two new sub-commands (private-key-block and private-key-revoke) and one new
flag (-dry-run) to admin-revoker. Both new sub-commands validate that the
provided private key and provide the operator with an issuance count. Any
blocking and revocation actions are gated by the new '-dry-run' flag, which is
'true' by default.
private-key-block: if -dry-run=false, will immediately block issuance for the
provided key. The operator is informed that bad-key-revoker will eventually
revoke any certificates using the provided key.
private-key-revoke: if -dry-run=false, will revoke all certificates using the
provided key and then blocks future issuance. This avoids a race with the
bad-key-revoker. This command will execute successfully even if issuance for the
provided key is already blocked.
- Add support for blocking issuance by private key to admin-revoker
- Add support for revoking certificates by private key to admin-revoker
- Create new package called 'privatekey'
- Move private key loading logic from 'issuance' to 'privatekey'
- Add embedded public key verification to 'privatekey'
- Add new field `skipBlockKey` to `AdministrativelyRevokeCertificate` protobuf
- Add check in RA to ensure that only KeyCompromise revocations use
`skipBlockKey`
Fixes#5785
Jacob Hoffman-Andrews
Aaron Gable
Samantha