Commit graph

5 commits

Author SHA1 Message Date
Ali Mohammad Pur
d451f84f31 LibCrypto: Add a minimal DER encoder
Progress towards #23562.
2024-03-16 01:17:02 -06:00
Timothy Flynn
928287b782 LibCrypto: Store ASN1 certificate timestamps as UnixDateTime
We are currently using Core::DateTime, which is meant to represent local
time. However, we are doing no conversion between the parsed time in UTC
and local time, so we end up comparing time stamps from different time
zones.

Instead, store the parsed times as UnixDateTime, which is UTC. Then we
can always compare the parsed times against the current UTC time.

This also lets us store parsed milliseconds.
2024-03-08 00:41:23 +01:00
Ben Wiederhake
0aed7f1c8e LibCrypto: Don't crash in ASN1::parse_generalized_time on missing 'Z' 2022-12-31 23:21:17 +01:00
Ben Wiederhake
0ca41d2813 LibCrypto: Don't crash in ASN1::parse_utc_time on missing 'Z'
The underlying reason is an unconditional call to consume(), even if
there is no reason to expect that the string continues.

This crash was discovered by OSS-Fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42354
This bug exists since the code was first written in April 2021:
13abbc5ea8
2022-12-31 23:21:17 +01:00
Ben Wiederhake
29261809ef LibCrypto+Tests: Test and demonstrate broken ASN1::parse_utc_time 2022-12-31 23:21:17 +01:00