From 1ef9d67fb6979ea91812c4ea892f7ecc12b3170f Mon Sep 17 00:00:00 2001
From: pennae <github@quasiparticle.net>
Date: Sun, 17 Jul 2022 15:21:27 +0200
Subject: remove Seal from crypto

the trait doesn't leave the module, so sealing doesn't do anything useful.
---
 src/crypto.rs | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/src/crypto.rs b/src/crypto.rs
index 2063c9b..58ab6d2 100644
--- a/src/crypto.rs
+++ b/src/crypto.rs
@@ -40,16 +40,7 @@ mod from_hkdf {
     use hkdf::Hkdf;
     use sha2::Sha256;
 
-    // sealing lets us guarantee that SIZE is always correct,
-    // which means that from_hkdf always receives correctly sized slices
-    // and copies never fail
-    mod private {
-        pub trait Seal {}
-        impl<const N: usize> Seal for [u8; N] {}
-        impl<L: Seal, R: Seal> Seal for (L, R) {}
-    }
-
-    pub trait FromHkdf: private::Seal {
+    pub trait FromHkdf {
         const SIZE: usize;
         fn from_hkdf(bytes: &[u8]) -> Self;
     }
-- 
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