signature

Cargo.lock

@@ -796,6 +796,16 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "pem"
+version = "3.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e459365e590736a54c3fa561947c84837534b8e9af6fc5bf781307e82658fae"
+dependencies = [
+ "base64",
+ "serde",
+]
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -1192,6 +1202,7 @@ dependencies = [
  "clap",
  "eyre",
  "hex",
+ "pem",
  "rpassword",
  "sha2",
  "ssh-agent-client",

ssh-agentctl/Cargo.toml

@@ -14,3 +14,4 @@ tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
 rpassword = "7.3.1"
 sha2 = "0.10.8"
 hex = "0.4.3"
+pem = "3.0.4"

ssh-agentctl/src/main.rs

@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::{io::Write, path::PathBuf};
 
 use clap::Parser;
 use eyre::{bail, Context};
@@ -97,6 +97,9 @@ async fn main() -> eyre::Result<()> {
             };
 
             let signature = agent.sign(&key.key_blob, &file, 0).await?;
+
+            let signature = pem::encode(&pem::Pem::new("SSH SIGNATURE", signature));
+            std::io::stdout().write_all(signature.as_bytes())?;
         }
         Subcommand::Lock => {
             let passphrase =