Files
card-cli/src/cmd_ecverify.rs

80 lines
3.3 KiB
Rust

use std::collections::BTreeMap;
use clap::{App, Arg, ArgMatches, SubCommand};
use rust_util::util_clap::{Command, CommandError};
use rust_util::util_msg;
use crate::ecdsautil::EcdsaAlgorithm;
use crate::{argsutil, ecdsautil};
pub struct CommandImpl;
impl Command for CommandImpl {
fn name(&self) -> &str { "ec-verify" }
fn subcommand<'a>(&self) -> App<'a, 'a> {
SubCommand::with_name(self.name()).about("ECDSA verify subcommand")
.arg(Arg::with_name("public-key-hex").short("k").long("public-key-hex").takes_value(true).help("Public key hex (starts with 04)"))
.arg(Arg::with_name("signature-hex").short("t").long("signature-hex").takes_value(true).help("Signature"))
.arg(Arg::with_name("file").short("f").long("file").takes_value(true).help("Input file"))
.arg(Arg::with_name("input").short("i").long("input").takes_value(true).help("Input"))
.arg(Arg::with_name("hash-hex").short("x").long("hash-hex").takes_value(true).help("Hash"))
.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 hash_bytes = argsutil::get_sha256_digest_or_hash(sub_arg_matches)?;
let public_key = if let Some(public_key_hex) = sub_arg_matches.value_of("public-key-hex") {
opt_result!(hex::decode(public_key_hex), "Parse public-key-hex failed: {}")
} else {
return simple_error!("--public-hex required.");
};
let signature = if let Some(signature_hex) = sub_arg_matches.value_of("signature-hex") {
opt_result!(hex::decode(signature_hex), "Parse signature-hex failed: {}")
} else {
return simple_error!("--signature-hex required.");
};
let ecdsa_algorithm = match public_key.len() {
65 => EcdsaAlgorithm::P256,
97 => EcdsaAlgorithm::P384,
_ => return simple_error!("Invalid public key: {}", hex::encode(&public_key)),
};
let mut json = BTreeMap::<&'_ str, String>::new();
debugging!("ECDSA public key point: {}", hex::encode(&public_key));
information!("Pre hash: {}", hex::encode(&hash_bytes));
debugging!("Signature: {}", hex::encode(&signature));
if json_output {
json.insert("public_key_hex", hex::encode(&public_key));
json.insert("hash_hex", hex::encode(&hash_bytes));
json.insert("signature_hex", hex::encode(&signature));
}
match ecdsautil::ecdsaverify(ecdsa_algorithm, &public_key, &hash_bytes, &signature) {
Ok(_) => {
success!("Verify ECDSA succeed.");
if json_output {
json.insert("success", "true".to_string());
}
}
Err(e) => {
failure!("Verify ECDSA failed: {}", &e);
if json_output {
json.insert("success", "false".to_string());
json.insert("message", format!("{}", e));
}
}
}
if json_output {
println!("{}", serde_json::to_string_pretty(&json).unwrap());
}
Ok(None)
}
}