diff options
| -rw-r--r-- | cmd/sigsum-debug/cosign/cosign.go | 41 | ||||
| -rw-r--r-- | cmd/sigsum-debug/main.go | 7 |
2 files changed, 45 insertions, 3 deletions
diff --git a/cmd/sigsum-debug/cosign/cosign.go b/cmd/sigsum-debug/cosign/cosign.go new file mode 100644 index 0000000..8597cc6 --- /dev/null +++ b/cmd/sigsum-debug/cosign/cosign.go @@ -0,0 +1,41 @@ +package cosign + +import ( + "bytes" + "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, optPriv, optPub string) error { + priv, err := util.SignerFromHex(optPriv) + if err != nil { + return fmt.Errorf("cosign: %v", err) + } + b, err := hex.Deserialize(optPub) + if err != nil { + return fmt.Errorf("cosign: %v", err) + } + if len(b) != types.PublicKeySize { + return fmt.Errorf("cosign: invalid public key length %d", len(b)) + } + var pub types.PublicKey + copy(pub[:], b) + data, err := util.BytesFromStdin() + if err != nil { + return fmt.Errorf("cosign: %v", err) + } + var sth types.SignedTreeHead + if err := sth.FromASCII(bytes.NewBuffer(data)); err != nil { + return fmt.Errorf("cosign: %v", err) + } + witSTH, err := sth.TreeHead.Sign(priv, types.HashFn(pub[:])) + if err != nil { + return fmt.Errorf("cosign: %v", err) + } + + fmt.Printf("%s\n", hex.Serialize(witSTH.Signature[:])) + return nil +} diff --git a/cmd/sigsum-debug/main.go b/cmd/sigsum-debug/main.go index 2bc05de..fe13cfd 100644 --- a/cmd/sigsum-debug/main.go +++ b/cmd/sigsum-debug/main.go @@ -17,6 +17,7 @@ import ( "log" "os" + "git.sigsum.org/sigsum-tools-go/cmd/sigsum-debug/cosign" "git.sigsum.org/sigsum-tools-go/cmd/sigsum-debug/genkey" "git.sigsum.org/sigsum-tools-go/cmd/sigsum-debug/hashkey" "git.sigsum.org/sigsum-tools-go/cmd/sigsum-debug/hashleaf" @@ -83,7 +84,7 @@ func main() { case "sign": err = sign.Main(cmd.Args(), optPriv, optShardHint) case "cosign": - err = fmt.Errorf("TODO") + err = cosign.Main(cmd.Args(), optPriv, optPub) default: err = fmt.Errorf("invalid command %q, try %q", cmd.Name(), "sigsum help") } @@ -107,7 +108,7 @@ func setOptions(fs *flag.FlagSet) { options.AddString(fs, &optPriv, "k", "key", "") options.AddUint64(fs, &optShardHint, "s", "shard-hint", 0) case "cosign": - options.AddString(fs, &optPriv, "w", "--witness-priv", "") - options.AddString(fs, &optPub, "l", "--log-pub", "") + options.AddString(fs, &optPriv, "w", "witness-priv", "") + options.AddString(fs, &optPub, "l", "log-pub", "") } } |