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Address code review comments

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This commit is contained in:
Patryk Bęza 2025-01-17 12:41:07 +01:00
parent 2d04ba0508
commit afa524c18c
No known key found for this signature in database
GPG key ID: 9AD1B44D9F6258EC
3 changed files with 16 additions and 33 deletions
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24
bin/tee-key-preexec/src/main.rs
View file

@ -8,7 +8,6 @@
use anyhow::{Context, Result};
use clap::Parser;
use core::convert::AsRef;
use secp256k1::{rand, Secp256k1};
use std::{ffi::OsString, os::unix::process::CommandExt, process::Command};
use teepot::{
@ -46,7 +45,7 @@ fn main_with_error() -> Result<()> {
let ethereum_address = public_key_to_ethereum_address(&verifying_key);
let report_data = ReportDataV1 { ethereum_address };
let report_data_bytes: [u8; 64] = report_data.into();
let tee_type = match get_quote(report_data_bytes.as_ref()) {
let tee_type = match get_quote(&report_data_bytes) {
Ok((tee_type, quote)) => {
// save quote to file
std::fs::write(TEE_QUOTE_FILE, quote)?;
@ -87,24 +86,3 @@ fn main() -> Result<()> {
}
ret
}
#[cfg(test)]
mod tests {
use secp256k1::{PublicKey, Secp256k1, SecretKey};
use super::*;
#[test]
fn test_public_key_to_address() {
let secp = Secp256k1::new();
let secret_key_bytes =
hex::decode("c87509a1c067bbde78beb793e6fa76530b6382a4c0241e5e4a9ec0a0f44dc0d3")
.unwrap();
let secret_key = SecretKey::from_slice(&secret_key_bytes).unwrap();
let public_key = PublicKey::from_secret_key(&secp, &secret_key);
let expected_address = hex::decode("627306090abaB3A6e1400e9345bC60c78a8BEf57").unwrap();
let address = public_key_to_ethereum_address(&public_key);
assert_eq!(address, expected_address.as_slice());
}
}

20
bin/verify-attestation/src/main.rs
View file

@ -3,15 +3,16 @@
//! Tool for SGX attestation and batch signature verification
use anyhow::{Context, Result};
use anyhow::{anyhow, Context, Result};
use clap::{Args, Parser, Subcommand};
use core::convert::TryInto;
use hex::encode;
use secp256k1::{Message, PublicKey};
use secp256k1::Message;
use std::{fs, io::Read, path::PathBuf, str::FromStr, time::UNIX_EPOCH};
use teepot::{
client::TcbLevel,
ethereum::recover_signer,
prover::reportdata::ReportData,
quote::{error, tee_qv_get_collateral, verify_quote_with_collateral, QuoteVerificationResult},
};
use zksync_basic_types::H256;
@ -87,15 +88,14 @@ fn verify_signature(
quote_verification_result: &QuoteVerificationResult,
signature_args: &SignatureArgs,
) -> Result<()> {
let reportdata = &quote_verification_result.quote.get_report_data();
let public_key = PublicKey::from_slice(reportdata)?;
println!("Public key from attestation quote: {}", public_key);
let report_data = ReportData::try_from(quote_verification_result.quote.get_report_data())?;
let ethereum_address_from_quote = match report_data {
ReportData::V1(report_data_v1) => report_data_v1.ethereum_address,
_ => return Err(anyhow!("Unsupported report data version")),
};
let signature_bytes: &[u8] = &fs::read(&signature_args.signature_file)?;
let ethereum_address_from_quote = &quote_verification_result.quote.get_report_data()[..20];
let root_hash_bytes = signature_args.root_hash.as_bytes();
let root_hash_msg = Message::from_digest_slice(root_hash_bytes)?;
let ethereum_address_from_signature =
recover_signer(&signature_bytes.try_into()?, &root_hash_msg)?;
let root_hash = Message::from_digest_slice(signature_args.root_hash.as_bytes())?;
let ethereum_address_from_signature = recover_signer(&signature_bytes.try_into()?, &root_hash)?;
let verification_successful = ethereum_address_from_signature == ethereum_address_from_quote;
println!(

5
crates/teepot/src/prover/reportdata.rs
View file

@ -35,6 +35,11 @@ pub enum ReportData {
}
fn report_data_to_bytes(data: &[u8], version: u8) -> [u8; REPORT_DATA_LENGTH] {
debug_assert!(
data.len() < REPORT_DATA_LENGTH, // Ensure there is space for the version byte
"Data length exceeds maximum of {} bytes",
REPORT_DATA_LENGTH
);
let mut bytes = [0u8; REPORT_DATA_LENGTH];
bytes[..data.len()].copy_from_slice(data);
bytes[REPORT_DATA_LENGTH - 1] = version;