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105 changes: 52 additions & 53 deletions ipa-core/src/cli/crypto.rs
Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,7 @@ impl DecryptedReports {
.unwrap_or_else(|e| panic!("unable to open file {filename:?}. {e}"));
let reader = BufReader::new(file);
Self {
filename: filename.to_path_buf(),
filename: filename.clone(),
reader,
key_registry,
iter_index: 0,
Expand Down Expand Up @@ -198,58 +198,57 @@ pub async fn decrypt_and_reconstruct(args: DecryptArgs) -> Result<(), BoxError>
for (dec_report1, (dec_report2, dec_report3)) in
decrypted_reports1.zip(decrypted_reports2.zip(decrypted_reports3))
{
match (dec_report1, dec_report2, dec_report3) {
(Ok(dec_report1), Ok(dec_report2), Ok(dec_report3)) => {
let timestamp = [
dec_report1.timestamp,
dec_report2.timestamp,
dec_report3.timestamp,
]
.reconstruct()
.as_u128();

let match_key = [
dec_report1.match_key,
dec_report2.match_key,
dec_report3.match_key,
]
.reconstruct()
.as_u128();

// these aren't reconstucted, so we explictly make sure
// they are consistent across all three files, then set
// it to the first one (without loss of generality)
assert_eq!(dec_report1.event_type, dec_report2.event_type);
assert_eq!(dec_report2.event_type, dec_report3.event_type);
let is_trigger_report = dec_report1.event_type == EventType::Trigger;

let breakdown_key = [
dec_report1.breakdown_key,
dec_report2.breakdown_key,
dec_report3.breakdown_key,
]
.reconstruct()
.as_u128();

let trigger_value = [
dec_report1.trigger_value,
dec_report2.trigger_value,
dec_report3.trigger_value,
]
.reconstruct()
.as_u128();

writeln!(
writer,
"{},{},{},{},{}",
timestamp,
match_key,
u8::from(is_trigger_report),
breakdown_key,
trigger_value,
)?;
}
(_, _, _) => {}
if let (Ok(dec_report1), Ok(dec_report2), Ok(dec_report3)) =
(dec_report1, dec_report2, dec_report3)
{
let timestamp = [
dec_report1.timestamp,
dec_report2.timestamp,
dec_report3.timestamp,
]
.reconstruct()
.as_u128();

let match_key = [
dec_report1.match_key,
dec_report2.match_key,
dec_report3.match_key,
]
.reconstruct()
.as_u128();

// these aren't reconstucted, so we explictly make sure
// they are consistent across all three files, then set
// it to the first one (without loss of generality)
assert_eq!(dec_report1.event_type, dec_report2.event_type);
assert_eq!(dec_report2.event_type, dec_report3.event_type);
let is_trigger_report = dec_report1.event_type == EventType::Trigger;

let breakdown_key = [
dec_report1.breakdown_key,
dec_report2.breakdown_key,
dec_report3.breakdown_key,
]
.reconstruct()
.as_u128();

let trigger_value = [
dec_report1.trigger_value,
dec_report2.trigger_value,
dec_report3.trigger_value,
]
.reconstruct()
.as_u128();

writeln!(
writer,
"{},{},{},{},{}",
timestamp,
match_key,
u8::from(is_trigger_report),
breakdown_key,
trigger_value,
)?;
}
}
Ok(())
Expand Down