Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Remove extraneous certificate from OCSP response #20201

Merged
merged 2 commits into from
Apr 17, 2023
Merged

Remove extraneous certificate from OCSP response #20201

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
0562eae
Remove extraneous certificate from OCSP response
cipherboy Apr 17, 2023
3fbe110
Add changelog entry
cipherboy Apr 17, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 7 additions & 1 deletion builtin/logical/pki/path_ocsp.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -499,13 +499,19 @@ func genResponse(cfg *crlConfig, caBundle *certutil.ParsedCertBundle, info *ocsp
revSigAlg = x509.SHA512WithRSA
}

// Due to a bug in Go's ocsp.ParseResponse(...), we do not provision
// Certificate any more on the response to help Go based OCSP clients.
// This was technically unnecessary, as the Certificate given here
// both signed the OCSP response and issued the leaf cert, and so
// should already be trusted by the client.
//
// See also: https://github.com/golang/go/issues/59641
template := ocsp.Response{
IssuerHash: reqHash,
Status: info.ocspStatus,
SerialNumber: info.serialNumber,
ThisUpdate: curTime,
NextUpdate: curTime.Add(duration),
Certificate: caBundle.Certificate,
ExtraExtensions: []pkix.Extension{},
SignatureAlgorithm: revSigAlg,
}
Expand Down
6 changes: 0 additions & 6 deletions builtin/logical/pki/path_ocsp_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -365,7 +365,6 @@ func TestOcsp_MultipleMatchingIssuersOneWithoutSigningUsage(t *testing.T) {
require.Equal(t, crypto.SHA1, ocspResp.IssuerHash)
require.Equal(t, 0, ocspResp.RevocationReason)
require.Equal(t, testEnv.leafCertIssuer1.SerialNumber, ocspResp.SerialNumber)
require.Equal(t, rotatedCert, ocspResp.Certificate)

requireOcspSignatureAlgoForKey(t, rotatedCert.SignatureAlgorithm, ocspResp.SignatureAlgorithm)
requireOcspResponseSignedBy(t, ocspResp, rotatedCert)
Expand Down Expand Up @@ -442,7 +441,6 @@ func TestOcsp_HigherLevel(t *testing.T) {
require.NoError(t, err, "parsing ocsp get response")

require.Equal(t, ocsp.Revoked, ocspResp.Status)
require.Equal(t, issuerCert, ocspResp.Certificate)
require.Equal(t, certToRevoke.SerialNumber, ocspResp.SerialNumber)

// Test OCSP Get request for ocsp
Expand All @@ -463,7 +461,6 @@ func TestOcsp_HigherLevel(t *testing.T) {
require.NoError(t, err, "parsing ocsp get response")

require.Equal(t, ocsp.Revoked, ocspResp.Status)
require.Equal(t, issuerCert, ocspResp.Certificate)
require.Equal(t, certToRevoke.SerialNumber, ocspResp.SerialNumber)
}

Expand Down Expand Up @@ -527,7 +524,6 @@ func runOcspRequestTest(t *testing.T, requestType string, caKeyType string, caKe

require.Equal(t, ocsp.Good, ocspResp.Status)
require.Equal(t, requestHash, ocspResp.IssuerHash)
require.Equal(t, testEnv.issuer1, ocspResp.Certificate)
require.Equal(t, 0, ocspResp.RevocationReason)
require.Equal(t, testEnv.leafCertIssuer1.SerialNumber, ocspResp.SerialNumber)

Expand All @@ -552,7 +548,6 @@ func runOcspRequestTest(t *testing.T, requestType string, caKeyType string, caKe

require.Equal(t, ocsp.Revoked, ocspResp.Status)
require.Equal(t, requestHash, ocspResp.IssuerHash)
require.Equal(t, testEnv.issuer1, ocspResp.Certificate)
require.Equal(t, 0, ocspResp.RevocationReason)
require.Equal(t, testEnv.leafCertIssuer1.SerialNumber, ocspResp.SerialNumber)

Expand All @@ -572,7 +567,6 @@ func runOcspRequestTest(t *testing.T, requestType string, caKeyType string, caKe

require.Equal(t, ocsp.Good, ocspResp.Status)
require.Equal(t, requestHash, ocspResp.IssuerHash)
require.Equal(t, testEnv.issuer2, ocspResp.Certificate)
require.Equal(t, 0, ocspResp.RevocationReason)
require.Equal(t, testEnv.leafCertIssuer2.SerialNumber, ocspResp.SerialNumber)

Expand Down
3 changes: 3 additions & 0 deletions changelog/20201.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
```release-note:improvement
secrets/pki: Decrease size and improve compatibility of OCSP responses by removing issuer certificate.
```