31 lines
1.1 KiB
Rust
31 lines
1.1 KiB
Rust
use rust_util::{opt_result, XResult};
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use yubico_manager::hmacmode::HmacKey;
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use yubico_manager::sec::hmac_sha1;
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fn main() -> XResult<()> {
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let args: Vec<String> = std::env::args().skip(1).collect();
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if args.len() != 2 && args.len() != 3 {
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println!("cargo r --example hmac_sha1 <hmac_key_hex;20bytes> <challenge_hex> [variable;bool]");
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return Ok(());
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}
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let hmac_key_bytes = opt_result!(hex::decode(&args[0]), "Decode hmac key hex failed: {}");
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let challenge_bytes = opt_result!(hex::decode(&args[1]), "Decode challenge hex failed: {}");
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let variable = if args.len() == 3 { "true" == &args[2] } else { false };
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let hmac_key = HmacKey::from_slice(&hmac_key_bytes);
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let mut challenge = [0; 64];
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if variable && challenge_bytes.last() == Some(&0) {
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challenge = [0xff; 64];
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}
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(&mut challenge[..challenge_bytes.len()]).copy_from_slice(&challenge_bytes);
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let hmac_sha_result = hmac_sha1(&hmac_key, &challenge);
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println!("Variable: {}", variable);
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println!("Hmac challenge: {}", hex::encode(&challenge));
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println!("Hmac_Sha1: {}", hex::encode(&hmac_sha_result));
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Ok(())
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} |