diff --git a/Cargo.lock b/Cargo.lock
index 39487af04..ae5513e44 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,14 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aead"
+version = "0.6.0-pre.0"
+source = "git+https://github.com/RustCrypto/traits.git#0a3687b58e59d5d2e196f59ca883a2d46eb76abb"
+dependencies = [
+ "crypto-common",
+]
+
 [[package]]
 name = "aes"
 version = "0.9.0-pre"
@@ -28,6 +36,19 @@ dependencies = [
  "cpufeatures",
 ]
 
+[[package]]
+name = "aes-gcm"
+version = "0.11.0-pre"
+source = "git+https://github.com/RustCrypto/AEADs.git#ad109f38b03124e7498bfe5e9830d1328f811d27"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "ghash",
+ "subtle",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -467,6 +488,14 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "ctr"
+version = "0.10.0-pre"
+source = "git+https://github.com/RustCrypto/block-modes.git#a0051b2892626f4bd4f96c8ec7ca942a1047bb3c"
+dependencies = [
+ "cipher",
+]
+
 [[package]]
 name = "der"
 version = "0.8.0-pre.0"
@@ -722,6 +751,16 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "ghash"
+version = "0.6.0-pre.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43f25097bbd647ae1fdd2fd6bcf100b77c5151e26af9cc2d2e81742c2cac27b7"
+dependencies = [
+ "opaque-debug",
+ "polyval",
+]
+
 [[package]]
 name = "gimli"
 version = "0.28.1"
@@ -790,9 +829,9 @@ dependencies = [
 
 [[package]]
 name = "hybrid-array"
-version = "0.2.0-rc.8"
+version = "0.2.0-rc.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53668f5da5a41d9eaf4bf7064be46d1ebe6a4e1ceed817f387587b18f2b51047"
+checksum = "4d306b679262030ad8813a82d4915fc04efff97776e4db7f8eb5137039d56400"
 dependencies = [
  "typenum",
  "zeroize",
@@ -964,6 +1003,12 @@ version = "11.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
+
 [[package]]
 name = "p256"
 version = "0.14.0-pre.0"
@@ -1054,6 +1099,7 @@ name = "pkcs5"
 version = "0.8.0-pre.0"
 dependencies = [
  "aes",
+ "aes-gcm",
  "cbc",
  "der",
  "des",
@@ -1079,6 +1125,18 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "polyval"
+version = "0.7.0-pre.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f3e1736974839c02569293a43b332c95269ccf635391bb7bbc75b41bef249b4"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -1776,6 +1834,16 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
+[[package]]
+name = "universal-hash"
+version = "0.6.0-pre.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a05336f34009f6bb1c24794e2c04df87f4a0ced7a091692e395119f34fd3f4c5"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
+
 [[package]]
 name = "utf8parse"
 version = "0.2.1"
diff --git a/cms/src/builder.rs b/cms/src/builder.rs
index 5fad20be8..0fdd5e88e 100644
--- a/cms/src/builder.rs
+++ b/cms/src/builder.rs
@@ -1020,7 +1020,8 @@ macro_rules! encrypt_block_mode {
                     )));
                 }
                 (
-                    Key::<$block_mode::$typ<$alg>>::from_slice(key).to_owned(),
+                    Key::<$block_mode::$typ<$alg>>::try_from(key)
+                        .expect("size invariants violation"),
                     $block_mode::$typ::<$alg>::generate_iv_with_rng($rng)?,
                 )
             }
diff --git a/sec1/Cargo.toml b/sec1/Cargo.toml
index 831c56a1a..e93c1119a 100644
--- a/sec1/Cargo.toml
+++ b/sec1/Cargo.toml
@@ -19,7 +19,7 @@ rust-version = "1.72"
 [dependencies]
 base16ct = { version = "0.2", optional = true, default-features = false }
 der = { version = "=0.8.0-pre.0", optional = true, features = ["oid"] }
-hybrid-array = { version = "0.2.0-rc.8", optional = true, default-features = false }
+hybrid-array = { version = "0.2.0-rc.9", optional = true, default-features = false }
 pkcs8 = { version = "=0.11.0-pre.0", optional = true, default-features = false }
 serdect = { version = "=0.3.0-pre.0", optional = true, default-features = false, features = ["alloc"] }
 subtle = { version = "2", optional = true, default-features = false }
diff --git a/sec1/src/point.rs b/sec1/src/point.rs
index 17507922b..6d2c69f98 100644
--- a/sec1/src/point.rs
+++ b/sec1/src/point.rs
@@ -210,7 +210,7 @@ where
         }
 
         let (x_bytes, y_bytes) = self.bytes[1..].split_at(Size::to_usize());
-        let x = Array::from_slice(x_bytes);
+        let x = x_bytes.try_into().expect("size invariants were violated");
 
         if self.is_compressed() {
             Coordinates::Compressed {
@@ -222,7 +222,7 @@ where
         } else {
             Coordinates::Uncompressed {
                 x,
-                y: Array::from_slice(y_bytes),
+                y: y_bytes.try_into().expect("size invariants were violated"),
             }
         }
     }