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-rw-r--r--cmd/sigsum-debug/hashkey/hashkey.go25
1 files changed, 25 insertions, 0 deletions
diff --git a/cmd/sigsum-debug/hashkey/hashkey.go b/cmd/sigsum-debug/hashkey/hashkey.go
new file mode 100644
index 0000000..f195239
--- /dev/null
+++ b/cmd/sigsum-debug/hashkey/hashkey.go
@@ -0,0 +1,25 @@
+package hashkey
+
+import (
+ "crypto/ed25519"
+ "fmt"
+
+ "git.sigsum.org/sigsum-go/pkg/hex"
+ "git.sigsum.org/sigsum-go/pkg/types"
+ "git.sigsum.org/sigsum-tools-go/internal/util"
+)
+
+func Main(_ []string) error {
+ b, err := util.HexFromStdin()
+ if err != nil {
+ return fmt.Errorf("hashkey: %v", err)
+ }
+ if len(b) != ed25519.PublicKeySize {
+ return fmt.Errorf("hashkey: invalid private key size %d", len(b))
+ }
+ pub := ed25519.PublicKey(b)
+ keyHash := types.HashFn(pub)
+
+ fmt.Printf("%s\n", hex.Serialize(keyHash[:]))
+ return nil
+}