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Code Issues Releases Activity

sasl: Add tls-exporter channel binding

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This channel binding type is defined in RFC 9266 and is required to
support channel binding on TLS 1.3.
This commit is contained in:
Emmanuel Gil Peyrot 2023-10-25 19:20:02 +02:00
parent 115edf6f25
commit b5aa36b72c
1 changed files with 6 additions and 1 deletions
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7
sasl/src/common/mod.rs
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@ -168,8 +168,10 @@ pub enum ChannelBinding {
None, None,
/// Advertise that the client does not think the server supports channel binding. /// Advertise that the client does not think the server supports channel binding.
Unsupported, Unsupported,
/// p=tls-unique channel binding data. /// p=tls-unique channel binding data (for TLS 1.2).
TlsUnique(Vec<u8>), TlsUnique(Vec<u8>),
/// p=tls-exporter channel binding data (for TLS 1.3).
TlsExporter(Vec<u8>),
} }
impl ChannelBinding { impl ChannelBinding {
@ -179,6 +181,7 @@ impl ChannelBinding {
ChannelBinding::None => b"n,,", ChannelBinding::None => b"n,,",
ChannelBinding::Unsupported => b"y,,", ChannelBinding::Unsupported => b"y,,",
ChannelBinding::TlsUnique(_) => b"p=tls-unique,,", ChannelBinding::TlsUnique(_) => b"p=tls-unique,,",
ChannelBinding::TlsExporter(_) => b"p=tls-exporter,,",
} }
} }
@ -188,6 +191,7 @@ impl ChannelBinding {
ChannelBinding::None => &[], ChannelBinding::None => &[],
ChannelBinding::Unsupported => &[], ChannelBinding::Unsupported => &[],
ChannelBinding::TlsUnique(ref data) => data, ChannelBinding::TlsUnique(ref data) => data,
ChannelBinding::TlsExporter(ref data) => data,
} }
} }
@ -197,6 +201,7 @@ impl ChannelBinding {
ChannelBinding::None => false, ChannelBinding::None => false,
ChannelBinding::Unsupported => false, ChannelBinding::Unsupported => false,
ChannelBinding::TlsUnique(_) => mechanism == "tls-unique", ChannelBinding::TlsUnique(_) => mechanism == "tls-unique",
ChannelBinding::TlsExporter(_) => mechanism == "tls-exporter",
} }
} }
} }