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diff --git a/src/x509-info/Cargo.toml b/src/x509-info/Cargo.toml
deleted file mode 100644
index 24f0478..0000000
--- a/src/x509-info/Cargo.toml
+++ /dev/null
@@ -1,17 +0,0 @@
-[package]
-name = "x509-info"
-version = "0.1.0"
-edition = "2021"
-authors = ["Franck Cuny <franck@fcuny.net>"]
-description = "Print summary of x509 certificates."
-homepage = "https://github.com/fcuny/x509-info/"
-readme = "README.md"
-
-[dependencies]
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-chrono = {version = "0.4.38", features = ["clock"], default-features = false }
-clap = {version = "4.5.8", features = ["derive", "cargo"]}
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-rustls-native-certs = "0.7.0"
-webpki-roots = "0.26.3"
-x509-parser = "0.16"
diff --git a/src/x509-info/README.md b/src/x509-info/README.md
deleted file mode 100644
index 0369ba2..0000000
--- a/src/x509-info/README.md
+++ /dev/null
@@ -1,72 +0,0 @@
-# x509-info
-
-At this point it's pretty clear that I'll never remember the syntax for `openssl` to show various information about a certificate. At last I will not have to google for that syntax ever again.
-
-## Usage
-
-```shell
-$ Usage: x509-info [OPTIONS] <DOMAIN>
-
-Arguments:
-  <DOMAIN>
-          Domain to check
-
-Options:
-  -p, --port <PORT>
-          Port to check
-
-          [default: 443]
-
-  -i, --insecure
-          Accept invalid certificate
-
-  -f, --format <FORMAT>
-          [default: short]
-
-          Possible values:
-          - short: Format the output as one line of plain text
-          - long:  Format the output as plain text
-
-  -h, --help
-          Print help information (use `-h` for a summary)
-
-  -V, --version
-          Print version information
-```
-
-The default format will print a short message:
-
-```shell
-$ x509-info twitter.com
-twitter.com: Mon, 11 Dec 2023 15:59:59 -0800 (257 days left)
-```
-
-It's possible to get more details:
-
-```shell
-$ x509-info --format=long twitter.com
-certificate
- version: V3
- serial: 0a:2c:01:b8:2b:5d:47:73:9a:5a:01:1a:6f:dc:1a:20
- subject: C=US, ST=California, L=San Francisco, O=Twitter, Inc., CN=twitter.com
- issuer: C=US, O=DigiCert Inc, CN=DigiCert TLS RSA SHA256 2020 CA1
- validity
-  not before    : Sat, 10 Dec 2022 16:00:00 -0800
-  not after     : Mon, 11 Dec 2023 15:59:59 -0800
-  validity days : 365
-  remaining days: 257
- SANs:
-  DNS:twitter.com
-  DNS:www.twitter.com
-```
-
-You can also check expired certificates:
-
-```shell
-$ x509-info --insecure expired.badssl.com
-<no name>: Sun, 12 Apr 2015 16:59:59 -0700 (it expired -2907 days ago)
-```
-
-## Notes
-
-Could the same be achieved with a wrapper around `openssl` ? yes.
diff --git a/src/x509-info/deny.toml b/src/x509-info/deny.toml
deleted file mode 100644
index fd95cdb..0000000
--- a/src/x509-info/deny.toml
+++ /dev/null
@@ -1,46 +0,0 @@
-[advisories]
-db-path = "~/.cargo/advisory-db"
-db-urls = ["https://github.com/rustsec/advisory-db"]
-vulnerability = "deny"
-unmaintained = "warn"
-yanked = "warn"
-notice = "warn"
-ignore = []
-
-[licenses]
-unlicensed = "deny"
-allow = ["MIT", "Apache-2.0", "ISC", "Unicode-DFS-2016", "OpenSSL"]
-deny = []
-copyleft = "allow"
-default = "deny"
-confidence-threshold = 0.8
-exceptions = []
-
-[licenses.private]
-ignore = false
-registries = []
-
-# see https://embarkstudios.github.io/cargo-deny/checks/licenses/cfg.html#example
-[[licenses.clarify]]
-name = "ring"
-expression = "MIT AND ISC AND OpenSSL"
-license-files = [
-    { path = "LICENSE", hash = 0xbd0eed23 }
-]
-
-[bans]
-multiple-versions = "warn"
-wildcards = "allow"
-highlight = "all"
-allow = []
-deny = []
-skip = []
-skip-tree = []
-
-[sources]
-unknown-registry = "warn"
-unknown-git = "warn"
-allow-registry = ["https://github.com/rust-lang/crates.io-index"]
-allow-git = []
-
-[sources.allow-org]
diff --git a/src/x509-info/src/client.rs b/src/x509-info/src/client.rs
deleted file mode 100644
index 83e010c..0000000
--- a/src/x509-info/src/client.rs
+++ /dev/null
@@ -1,110 +0,0 @@
-use anyhow::{anyhow, Error};
-use rustls::client::danger::{HandshakeSignatureValid, ServerCertVerified, ServerCertVerifier};
-use rustls::crypto::{ring, verify_tls12_signature, verify_tls13_signature, CryptoProvider};
-use rustls::pki_types::{self, CertificateDer, ServerName, UnixTime};
-use rustls::{ClientConfig, ClientConnection};
-use rustls::{DigitallySignedStruct, SignatureScheme};
-
-use std::io::Write;
-use std::sync::Arc;
-
-#[derive(Debug)]
-struct NoCertificateVerification {}
-
-impl ServerCertVerifier for NoCertificateVerification {
-    fn verify_server_cert(
-        &self,
-        _end_entity: &CertificateDer<'_>,
-        _intermediates: &[CertificateDer<'_>],
-        _server_name: &pki_types::ServerName<'_>,
-        _ocsp_response: &[u8],
-        _now: UnixTime,
-    ) -> Result<ServerCertVerified, rustls::Error> {
-        Ok(ServerCertVerified::assertion())
-    }
-
-    fn verify_tls12_signature(
-        &self,
-        message: &[u8],
-        cert: &CertificateDer<'_>,
-        dss: &DigitallySignedStruct,
-    ) -> Result<HandshakeSignatureValid, rustls::Error> {
-        verify_tls12_signature(
-            message,
-            cert,
-            dss,
-            &ring::default_provider().signature_verification_algorithms,
-        )
-    }
-
-    fn verify_tls13_signature(
-        &self,
-        message: &[u8],
-        cert: &CertificateDer<'_>,
-        dss: &DigitallySignedStruct,
-    ) -> Result<HandshakeSignatureValid, rustls::Error> {
-        verify_tls13_signature(
-            message,
-            cert,
-            dss,
-            &ring::default_provider().signature_verification_algorithms,
-        )
-    }
-
-    fn supported_verify_schemes(&self) -> Vec<SignatureScheme> {
-        ring::default_provider()
-            .signature_verification_algorithms
-            .supported_schemes()
-    }
-}
-
-pub fn get_certificates(
-    domain: String,
-    port: u16,
-    insecure: bool,
-) -> Result<Vec<CertificateDer<'static>>, Error> {
-    let mut tcp_stream = std::net::TcpStream::connect(format!("{}:{}", domain, port))?;
-
-    let config = if insecure {
-        ClientConfig::builder()
-            .dangerous()
-            .with_custom_certificate_verifier(Arc::new(NoCertificateVerification {}))
-            .with_no_client_auth()
-    } else {
-        let root_store = rustls::RootCertStore {
-            roots: webpki_roots::TLS_SERVER_ROOTS.to_vec(),
-        };
-        ClientConfig::builder_with_provider(
-            CryptoProvider {
-                cipher_suites: vec![ring::cipher_suite::TLS13_CHACHA20_POLY1305_SHA256],
-                kx_groups: vec![ring::kx_group::X25519],
-                ..ring::default_provider()
-            }
-            .into(),
-        )
-        .with_protocol_versions(&[&rustls::version::TLS13])
-        .unwrap()
-        .with_root_certificates(root_store)
-        .with_no_client_auth()
-    };
-
-    let server_name = ServerName::try_from(domain.clone())
-        .expect("invalid DNS name")
-        .to_owned();
-
-    let mut conn = ClientConnection::new(Arc::new(config), server_name)?;
-    while conn.wants_write() {
-        conn.write_tls(&mut tcp_stream)?;
-    }
-
-    tcp_stream.flush()?;
-    while conn.is_handshaking() && conn.peer_certificates().is_none() {
-        conn.read_tls(&mut tcp_stream)?;
-        conn.process_new_packets()?;
-    }
-
-    match conn.peer_certificates() {
-        Some(c) => Ok(c.to_vec()),
-        None => Err(anyhow!("no certificate found for {}", domain))?,
-    }
-}
diff --git a/src/x509-info/src/main.rs b/src/x509-info/src/main.rs
deleted file mode 100644
index d37ce0c..0000000
--- a/src/x509-info/src/main.rs
+++ /dev/null
@@ -1,41 +0,0 @@
-extern crate webpki_roots;
-
-mod client;
-mod output;
-
-use clap::Parser;
-use x509_parser::prelude::*;
-
-#[derive(Parser, Debug)]
-#[clap(author, version, about, long_about = None)]
-struct Args {
-    /// Domain to check
-    domain: String,
-
-    /// Port to check
-    #[clap(short, long, default_value_t = 443)]
-    port: u16,
-
-    /// Accept invalid certificate
-    #[clap(short, long, default_value_t = false)]
-    insecure: bool,
-
-    #[clap(short, long,value_enum, default_value_t = output::OutputFormat::Short)]
-    format: output::OutputFormat,
-}
-
-fn main() {
-    let args = Args::parse();
-
-    match client::get_certificates(args.domain, args.port, args.insecure) {
-        Ok(certs) => {
-            let (_, cert) =
-                x509_parser::certificate::X509Certificate::from_der(certs[0].as_ref()).unwrap();
-            output::OutputFormat::print(args.format, cert);
-        }
-        Err(e) => {
-            println!("error: {}", e);
-            std::process::exit(1);
-        }
-    };
-}
diff --git a/src/x509-info/src/output.rs b/src/x509-info/src/output.rs
deleted file mode 100644
index 963ef20..0000000
--- a/src/x509-info/src/output.rs
+++ /dev/null
@@ -1,120 +0,0 @@
-use chrono::prelude::*;
-use std::net::{Ipv4Addr, Ipv6Addr};
-use x509_parser::prelude::*;
-
-/// How to format the output data.
-#[derive(PartialEq, Eq, Debug, Copy, Clone, clap::ValueEnum)]
-pub enum OutputFormat {
-    /// Format the output as one line of plain text.
-    Short,
-
-    /// Format the output as plain text.
-    Long,
-}
-
-impl OutputFormat {
-    pub fn print(self, cert: X509Certificate) {
-        match self {
-            Self::Short => {
-                self.short(cert);
-            }
-            Self::Long => {
-                self.to_text(cert);
-            }
-        }
-    }
-
-    fn short(self, cert: X509Certificate) {
-        let not_after = chrono::Local
-            .timestamp_opt(cert.validity().not_after.timestamp(), 0)
-            .unwrap();
-        let now: DateTime<Local> = Local::now();
-        let remaining = not_after - now;
-
-        if remaining >= chrono::Duration::zero() {
-            println!(
-                "{}: {} ({} days left)",
-                cert.subject()
-                    .iter_common_name()
-                    .next()
-                    .and_then(|cn| cn.as_str().ok())
-                    .unwrap_or("<no name>"),
-                not_after.to_rfc2822(),
-                remaining.num_days(),
-            );
-        } else {
-            println!(
-                "{}: {} (it expired {} days ago)",
-                cert.subject()
-                    .iter_common_name()
-                    .next()
-                    .and_then(|cn| cn.as_str().ok())
-                    .unwrap_or("<no name>"),
-                not_after.to_rfc2822(),
-                remaining.num_days(),
-            );
-        }
-    }
-
-    fn to_text(self, cert: X509Certificate) {
-        let not_before = chrono::Local
-            .timestamp_opt(cert.validity().not_before.timestamp(), 0)
-            .unwrap();
-        let not_after = chrono::Local
-            .timestamp_opt(cert.validity().not_after.timestamp(), 0)
-            .unwrap();
-        let now: DateTime<Local> = Local::now();
-        let remaining = not_after - now;
-        let validity_duration = not_after - not_before;
-
-        println!("certificate");
-        println!(" version: {}", cert.version);
-        println!(" serial: {}", cert.tbs_certificate.raw_serial_as_string());
-        println!(" subject: {}", cert.subject());
-        println!(" issuer: {}", cert.issuer());
-
-        println!(" validity");
-        println!("  not before    : {}", not_before.to_rfc2822());
-        println!("  not after     : {}", not_after.to_rfc2822());
-        println!("  validity days : {}", validity_duration.num_days());
-        println!("  remaining days: {}", remaining.num_days());
-
-        println!(" SANs:");
-        if let Some(subnames) = subject_alternative_name(cert) {
-            for name in subnames {
-                println!("  {}", name);
-            }
-        }
-    }
-}
-
-fn subject_alternative_name(cert: X509Certificate) -> Option<Vec<String>> {
-    let mut subnames = Vec::new();
-    if let Ok(Some(san)) = cert.subject_alternative_name() {
-        let san = san.value;
-        for name in &san.general_names {
-            let s = match name {
-                GeneralName::DNSName(s) => format!("DNS:{}", s),
-                GeneralName::IPAddress(b) => {
-                    let ip = match b.len() {
-                        4 => {
-                            let b = <[u8; 4]>::try_from(*b).unwrap();
-                            let ip = Ipv4Addr::from(b);
-                            format!("{}", ip)
-                        }
-                        16 => {
-                            let b = <[u8; 16]>::try_from(*b).unwrap();
-                            let ip = Ipv6Addr::from(b);
-                            format!("{}", ip)
-                        }
-                        l => format!("invalid (len={})", l),
-                    };
-                    format!("IP address:{}", ip)
-                }
-                _ => format!("{:?}", name),
-            };
-            subnames.push(s);
-        }
-    }
-    Some(subnames)
-}