diff options
author | Linus Nordberg <linus@nordberg.se> | 2022-04-28 15:46:01 +0200 |
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committer | Linus Nordberg <linus@nordberg.se> | 2022-04-28 15:46:01 +0200 |
commit | 47490448be1b7006641e6badc6a84b1441b27698 (patch) | |
tree | fb386e9e6ccb90b368da63d0a8085d114fd8431c /cmd/sigsum-debug/leaf/sign | |
parent | 2dcd7bca2f3e69fb6f1770ec0bf740d8956978ca (diff) | |
parent | b270a4c0d10947fe480bad7330b31bb793225968 (diff) |
Merge branch 'merge/sigsum-debug'
Diffstat (limited to 'cmd/sigsum-debug/leaf/sign')
-rw-r--r-- | cmd/sigsum-debug/leaf/sign/sign.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/cmd/sigsum-debug/leaf/sign/sign.go b/cmd/sigsum-debug/leaf/sign/sign.go new file mode 100644 index 0000000..348ae23 --- /dev/null +++ b/cmd/sigsum-debug/leaf/sign/sign.go @@ -0,0 +1,37 @@ +package sign + +import ( + "fmt" + "strings" + + "git.sigsum.org/sigsum-go/internal/fmtio" + "git.sigsum.org/sigsum-go/pkg/hex" + "git.sigsum.org/sigsum-go/pkg/types" +) + +func Main(args []string, optPrivateKey string, optShardHint uint64) error { + if len(args) != 0 { + return fmt.Errorf("trailing arguments: %s", strings.Join(args, ", ")) + } + data, err := fmtio.BytesFromStdin() + if err != nil { + return fmt.Errorf("read stdin: %w", err) + } + priv, err := fmtio.SignerFromHex(optPrivateKey) + if err != nil { + return fmt.Errorf("parse private key: %w", err) + } + + preimage := types.HashFn(data) + stm := types.Statement{ + ShardHint: optShardHint, + Checksum: *types.HashFn(preimage[:]), + } + sig, err := stm.Sign(priv) + if err != nil { + fmt.Errorf("sign leaf: %w", err) + } + + fmt.Printf("%s\n", hex.Serialize(sig[:])) + return nil +} |