mattermost-community-enterp.../vendor/github.com/miekg/dns/dane.go
Claude ec1f89217a Merge: Complete Mattermost Server with Community Enterprise
Full Mattermost server source with integrated Community Enterprise features.
Includes vendor directory for offline/air-gapped builds.

Structure:
- enterprise-impl/: Enterprise feature implementations
- enterprise-community/: Init files that register implementations
- enterprise/: Bridge imports (community_imports.go)
- vendor/: All dependencies for offline builds

Build (online):
  go build ./cmd/mattermost

Build (offline/air-gapped):
  go build -mod=vendor ./cmd/mattermost

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-17 23:59:07 +09:00

44 lines
997 B
Go

package dns
import (
"crypto/sha256"
"crypto/sha512"
"crypto/x509"
"encoding/hex"
"errors"
)
// CertificateToDANE converts a certificate to a hex string as used in the TLSA or SMIMEA records.
func CertificateToDANE(selector, matchingType uint8, cert *x509.Certificate) (string, error) {
switch matchingType {
case 0:
switch selector {
case 0:
return hex.EncodeToString(cert.Raw), nil
case 1:
return hex.EncodeToString(cert.RawSubjectPublicKeyInfo), nil
}
case 1:
h := sha256.New()
switch selector {
case 0:
h.Write(cert.Raw)
return hex.EncodeToString(h.Sum(nil)), nil
case 1:
h.Write(cert.RawSubjectPublicKeyInfo)
return hex.EncodeToString(h.Sum(nil)), nil
}
case 2:
h := sha512.New()
switch selector {
case 0:
h.Write(cert.Raw)
return hex.EncodeToString(h.Sum(nil)), nil
case 1:
h.Write(cert.RawSubjectPublicKeyInfo)
return hex.EncodeToString(h.Sum(nil)), nil
}
}
return "", errors.New("dns: bad MatchingType or Selector")
}