feat: renames

src/cmd_piv_decrypt.rs

@@ -0,0 +1,82 @@
+use std::collections::BTreeMap;
+
+use clap::{App, Arg, ArgMatches, SubCommand};
+use rust_util::util_clap::{Command, CommandError};
+use rust_util::util_msg;
+use yubikey::piv::AlgorithmId;
+use yubikey::YubiKey;
+
+use crate::{pinutil, pivutil};
+use crate::util::{read_stdin, try_decode};
+
+pub struct CommandImpl;
+
+impl Command for CommandImpl {
+    fn name(&self) -> &str { "piv-decrypt" }
+
+    fn subcommand<'a>(&self) -> App<'a, 'a> {
+        SubCommand::with_name(self.name()).about("PIV decrypt(RSA) subcommand")
+            .arg(Arg::with_name("slot").short("s").long("slot").takes_value(true).help("PIV slot, e.g. 82, 83 ... 95, 9a, 9c, 9d, 9e"))
+            .arg(Arg::with_name("pin").short("p").long("pin").takes_value(true).help("PIV card user PIN"))
+            .arg(Arg::with_name("no-pin").long("no-pin").help("No PIN"))
+            .arg(Arg::with_name("ciphertext").long("ciphertext").short("c").takes_value(true).help("Encrypted data (HEX or Base64)"))
+            .arg(Arg::with_name("stdin").long("stdin").help("Standard input (Ciphertext)"))
+            .arg(Arg::with_name("json").long("json").help("JSON output"))
+    }
+
+    fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandError {
+        let json_output = sub_arg_matches.is_present("json");
+        if json_output { util_msg::set_logger_std_out(false); }
+
+        let slot = opt_value_result!(sub_arg_matches.value_of("slot"), "--slot must assigned, e.g. 82, 83 ... 95, 9a, 9c, 9d, 9e");
+
+        let pin_opt = pinutil::read_pin(sub_arg_matches);
+
+        let encrypted_data = if let Some(ciphertext) = sub_arg_matches.value_of("ciphertext") {
+            opt_result!(try_decode(ciphertext), "Decode --ciphertext failed: {}")
+        } else if sub_arg_matches.is_present("stdin") {
+            read_stdin()?
+        } else {
+            return simple_error!("Argument --ciphertext must be assigned");
+        };
+
+        let mut yk = opt_result!(YubiKey::open(), "YubiKey not found: {}");
+        if let Some(pin) = &pin_opt {
+            opt_result!(yk.verify_pin(pin.as_bytes()), "YubiKey verify pin failed: {}");
+        }
+
+        let slot_id = pivutil::get_slot_id(slot)?;
+        let decrypt_result = yubikey::piv::decrypt_data(&mut yk, &encrypted_data,
+                                                        AlgorithmId::Rsa2048, slot_id);
+        let decrypted_data = opt_result!(decrypt_result, "Decrypt data failed: {}");
+        let decrypted_data_bytes = decrypted_data.as_slice();
+
+        information!("Decrypted raw data: {}", hex::encode(decrypted_data_bytes));
+        if !(decrypted_data_bytes[0] == 0x00 && decrypted_data_bytes[1] == 0x02) {
+            return simple_error!("Not valid encrypted data, prefix: {}", hex::encode(&decrypted_data_bytes[0..2]));
+        }
+        let mut index_of_00_from_index_1 = 0;
+        for (i, byte) in decrypted_data_bytes.iter().enumerate().skip(1) {
+            if *byte == 0x00 {
+                index_of_00_from_index_1 = i + 1;
+                break;
+            }
+        }
+        if index_of_00_from_index_1 == 0 {
+            return simple_error!("Not valid encrypted data, cannot find 0x00");
+        }
+        let clear_data = &decrypted_data_bytes[index_of_00_from_index_1..];
+        success!("Decrypt data: {}", hex::encode(clear_data));
+        success!("Decrypt data in UTF-8: {}", String::from_utf8_lossy(clear_data));
+
+        if json_output {
+            let mut json = BTreeMap::<&'_ str, String>::new();
+            json.insert("encrypted_data_hex", hex::encode(&encrypted_data));
+            json.insert("decrypted_data_hex", hex::encode(decrypted_data_bytes));
+            json.insert("clear_data_hex", hex::encode(clear_data));
+            json.insert("clear_data", String::from_utf8_lossy(clear_data).to_string());
+            println!("{}", serde_json::to_string_pretty(&json).unwrap());
+        }
+        Ok(None)
+    }
+}