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authorLinus Nordberg <linus@nordberg.se>2022-05-02 11:28:31 +0200
committerLinus Nordberg <linus@nordberg.se>2022-05-02 11:29:43 +0200
commit76f22618a56f9eaca173f3fc65823c226b29fa52 (patch)
treec06ef5e844bf989ebdaeed3b7b2aa111cebf5fee /pkg/dns/dns.go
parent7661965ed955bc3b8fcbc544a346020e15678c02 (diff)
use dns package from sigsum-gov0.4.0
Issue: #26
Diffstat (limited to 'pkg/dns/dns.go')
-rw-r--r--pkg/dns/dns.go39
1 files changed, 0 insertions, 39 deletions
diff --git a/pkg/dns/dns.go b/pkg/dns/dns.go
deleted file mode 100644
index 5baccc3..0000000
--- a/pkg/dns/dns.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package dns
-
-import (
- "context"
- "fmt"
- "net"
-
- "git.sigsum.org/sigsum-go/pkg/hex"
- "git.sigsum.org/sigsum-go/pkg/types"
-)
-
-// Verifier can verify that a domain name is aware of a public key
-type Verifier interface {
- Verify(ctx context.Context, name string, key *types.PublicKey) error
-}
-
-// DefaultResolver implements the Verifier interface with Go's default resolver
-type DefaultResolver struct {
- resolver net.Resolver
-}
-
-func NewDefaultResolver() Verifier {
- return &DefaultResolver{}
-}
-
-func (dr *DefaultResolver) Verify(ctx context.Context, name string, key *types.PublicKey) error {
- rsp, err := dr.resolver.LookupTXT(ctx, name)
- if err != nil {
- return fmt.Errorf("domain name look-up failed: %v", err)
- }
-
- want := hex.Serialize(types.HashFn(key[:])[:])
- for _, got := range rsp {
- if got == want {
- return nil
- }
- }
- return fmt.Errorf("%q is not aware of key hash %q", name, want)
-}