docs: iff => if and only if

rustls · Jun 20, 2024 · d53e071 · d53e071
1 parent 9dfbc8e
commit d53e071
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Showing 5 changed files with 5 additions and 5 deletions.
diff --git a/rustls/src/client/hs.rs b/rustls/src/client/hs.rs
@@ -621,7 +621,7 @@ pub(super) fn process_alpn_protocol(
     // RFC 9001 says: "While ALPN only specifies that servers use this alert, QUIC clients MUST
     // use error 0x0178 to terminate a connection when ALPN negotiation fails." We judge that
     // the user intended to use ALPN (rather than some out-of-band protocol negotiation
-    // mechanism) iff any ALPN protocols were configured. This defends against badly-behaved
+    // mechanism) if and only if any ALPN protocols were configured. This defends against badly-behaved
     // servers which accept a connection that requires an application-layer protocol they do not
     // understand.
     if common.is_quic() && common.alpn_protocol.is_none() && !config.alpn_protocols.is_empty() {

diff --git a/rustls/src/crypto/ring/kx.rs b/rustls/src/crypto/ring/kx.rs
@@ -23,7 +23,7 @@ struct KxGroup {
 
     /// Whether the algorithm is allowed by FIPS
     ///
-    /// `SupportedKxGroup::fips()` is true iff the algorithm is allowed,
+    /// `SupportedKxGroup::fips()` is true if and only if the algorithm is allowed,
     /// _and_ the implementation is FIPS-validated.
     fips_allowed: bool,
 }

diff --git a/rustls/src/quic.rs b/rustls/src/quic.rs
@@ -680,7 +680,7 @@ pub trait PacketKey: Send + Sync {
     /// the additional authenticated data; and the `payload`. The authentication tag is returned if
     /// encryption succeeds.
     ///
-    /// Fails iff the payload is longer than allowed by the cipher suite's AEAD algorithm.
+    /// Fails if and only if the payload is longer than allowed by the cipher suite's AEAD algorithm.
     fn encrypt_in_place(
         &self,
         packet_number: u64,

diff --git a/rustls/src/server/hs.rs b/rustls/src/server/hs.rs
@@ -109,7 +109,7 @@ impl ExtensionProcessing {
             // QUIC has strict ALPN, unlike TLS's more backwards-compatible behavior. RFC 9001
             // says: "The server MUST treat the inability to select a compatible application
             // protocol as a connection error of type 0x0178". We judge that ALPN was desired
-            // (rather than some out-of-band protocol negotiation mechanism) iff any ALPN
+            // (rather than some out-of-band protocol negotiation mechanism) if and only if any ALPN
             // protocols were configured locally or offered by the client. This helps prevent
             // successful establishment of connections between peers that can't understand
             // each other.

diff --git a/rustls/src/server/server_conn.rs b/rustls/src/server/server_conn.rs
@@ -595,7 +595,7 @@ mod connection {
         ///
         /// Recovered from the prior session's `set_resumption_data`. Integrity is guaranteed by rustls.
         ///
-        /// Returns `Some` iff a valid resumption ticket has been received from the client.
+        /// Returns `Some` if and only if a valid resumption ticket has been received from the client.
         pub fn received_resumption_data(&self) -> Option<&[u8]> {
             self.inner
                 .core