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Revert "PQ: fix timing sidechannels and add IPDWing" 

For TLS, early adopters prefer X25519MLKEM768. Remove IPDWing in
preparation for adding X25519MLKEM768.

https://datatracker.ietf.org/doc/draft-kwiatkowski-tls-ecdhe-mlkem/

This reverts commit 4725a930d5.
This commit is contained in:
Bas Westerbaan 2024-09-10 13:16:14 +02:00 committed by Bas Westerbaan
parent 8cb5da61a6
commit 2c0a14253a
3 changed files with 883 additions and 1414 deletions
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2288
boring-sys/patches/boring-pq.patch
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File diff suppressed because it is too large Load Diff

4
boring/src/lib.rs
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@ -83,10 +83,6 @@
//! boxes.
//! - `P256Kyber768Draft00`. Similar again to `X25519Kyber768Draft00`, but uses P256 as classical
//! part. It uses a non-standard codepoint. Not recommended.
//! - `IPDWing`. A preliminary version of
//! [X-Wing](https://datatracker.ietf.org/doc/draft-connolly-cfrg-xwing-kem/02/).
//! Similar to `X25519Kyber768Draft00Old`, but uses a newer (but not yet final) version of Kyber
//! called ML-KEM-ipd. Not recommended.
//!
//! Presently all these key agreements are deployed by Cloudflare, but we do not guarantee continued
//! support for them.

5
boring/src/ssl/mod.rs
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@ -723,9 +723,6 @@ impl SslCurve {
#[cfg(feature = "pq-experimental")]
pub const P256_KYBER768_DRAFT00: SslCurve = SslCurve(ffi::SSL_CURVE_P256_KYBER768_DRAFT00 as _);
#[cfg(feature = "pq-experimental")]
pub const IPD_WING: SslCurve = SslCurve(ffi::SSL_CURVE_IPDWING);
/// Returns the curve name
///
/// This corresponds to [`SSL_get_curve_name`]
@ -768,8 +765,6 @@ impl SslCurve {
ffi::SSL_CURVE_X25519_KYBER512_DRAFT00 => Some(ffi::NID_X25519Kyber512Draft00),
#[cfg(feature = "pq-experimental")]
ffi::SSL_CURVE_P256_KYBER768_DRAFT00 => Some(ffi::NID_P256Kyber768Draft00),
#[cfg(feature = "pq-experimental")]
ffi::SSL_CURVE_IPDWING => Some(ffi::NID_IPDWing),
_ => None,
}
}