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ssh-key: further restrict maximum allowed timestamps #621

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Merged
tarcieri merged 1 commit into from
Apr 26, 2022
Merged

ssh-key: further restrict maximum allowed timestamps #621

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9 changes: 7 additions & 2 deletions ssh-key/src/certificate/unix_time.rs
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Expand Up @@ -7,8 +7,13 @@ use core::fmt::Formatter;
#[cfg(feature = "std")]
use std::time::{Duration, SystemTime, UNIX_EPOCH};

/// Maximum number of seconds since the Unix epoch allowed.
pub const MAX_SECS: u64 = i64::MAX as u64;
/// Maximum allowed value for a Unix timestamp:
///
/// 9999-12-31 23:59:59 UTC
///
/// This is a sanity limit intended to catch nonsense values which are
/// excessively far in the future. Otherwise the limit is `i64::MAX`.
pub const MAX_SECS: u64 = 253402300799;

/// Unix timestamps as used in OpenSSH certificates.
#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord)]
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