diff --git a/Cargo.lock b/Cargo.lock
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -137,9 +137,9 @@
 
 [[package]]
 name = "cc"
-version = "1.2.57"
+version = "1.2.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a0dd1ca384932ff3641c8718a02769f1698e7563dc6974ffd03346116310423"
+checksum = "b7a4d3ec6524d28a329fc53654bbadc9bdd7b0431f5d65f1a56ffb28a1ee5283"
 dependencies = [
  "find-msvc-tools",
  "shlex",
@@ -187,9 +187,9 @@
 
 [[package]]
 name = "cmov"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de0758edba32d61d1fd9f4d69491b47604b91ee2f7e6b33de7e54ca4ebe55dc3"
+checksum = "3f88a43d011fc4a6876cb7344703e297c71dda42494fee094d5f7c76bf13f746"
 
 [[package]]
 name = "const-oid"
@@ -245,9 +245,9 @@
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9b6a7421484856c90cb2e996b91068d608539bb4e6f0a111b16d70678824d09"
+checksum = "42a0d26b245348befa0c121944541476763dcc46ede886c88f9d12e1697d27c3"
 dependencies = [
  "cpubits",
  "ctutils",
@@ -282,9 +282,9 @@
 
 [[package]]
 name = "ctutils"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1005a6d4446f5120ef475ad3d2af2b30c49c2c9c6904258e3bb30219bebed5e4"
+checksum = "7d5515a3834141de9eafb9717ad39eea8247b5674e6066c404e8c4b365d2a29e"
 dependencies = [
  "cmov",
  "subtle",
@@ -410,7 +410,7 @@
 [[package]]
 name = "dhkem"
 version = "0.1.0-rc.0"
-source = "git+https://github.com/RustCrypto/KEMs?rev=2d277162e0c5ed1c53bb315d0c0dace394cba70a#2d277162e0c5ed1c53bb315d0c0dace394cba70a"
+source = "git+https://github.com/RustCrypto/KEMs?rev=5b84cfb1c94ef4eeecd77d3281d18833d095978b#5b84cfb1c94ef4eeecd77d3281d18833d095978b"
 dependencies = [
  "elliptic-curve",
  "hkdf",
@@ -791,18 +791,18 @@
 
 [[package]]
 name = "hkdf"
-version = "0.13.0-rc.5"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbb55385998ae66b8d2d5143c05c94b9025ab863966f0c94ce7a5fde30105092"
+checksum = "4aaa26c720c68b866f2c96ef5c1264b3e6f473fe5d4ce61cd44bbe913e553018"
 dependencies = [
  "hmac",
 ]
 
 [[package]]
 name = "hmac"
-version = "0.13.0-rc.6"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60017b071c523c9e5a55dd1253582bff6150c5e96a7e8511e419de1ab5ee97f9"
+checksum = "6303bc9732ae41b04cb554b844a762b4115a61bfaa81e3e83050991eeb56863f"
 dependencies = [
  "digest 0.11.2",
 ]
@@ -818,9 +818,9 @@
 
 [[package]]
 name = "hybrid-array"
-version = "0.4.8"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8655f91cd07f2b9d0c24137bd650fe69617773435ee5ec83022377777ce65ef1"
+checksum = "3944cf8cf766b40e2a1a333ee5e9b563f854d5fa49d6a8ca2764e97c6eddb214"
 dependencies = [
  "subtle",
  "typenum",
@@ -853,9 +853,9 @@
 
 [[package]]
 name = "indexmap"
-version = "2.13.0"
+version = "2.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
+checksum = "45a8a2b9cb3e0b0c1803dbb0758ffac5de2f425b23c28f518faabd9d805342ff"
 dependencies = [
  "equivalent",
  "hashbrown 0.16.1",
@@ -938,9 +938,9 @@
 
 [[package]]
 name = "kem"
-version = "0.3.0-rc.6"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3ae2c3347ff4a7af4f679a9e397c2c7e6034a00b773dd2dd3c001d7f40897c9"
+checksum = "01737161ba802849cfd486b5bd209d38ba4943494c249a8126005170c7621edd"
 dependencies = [
  "crypto-common 0.2.1",
  "rand_core",
@@ -954,9 +954,9 @@
 
 [[package]]
 name = "libc"
-version = "0.2.183"
+version = "0.2.184"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b646652bf6661599e1da8901b3b9522896f01e736bad5f723fe7a3a27f899d"
+checksum = "48f5d2a454e16a5ea0f4ced81bd44e4cfc7bd3a507b61887c99fd3538b28e4af"
 
 [[package]]
 name = "libm"
@@ -1469,9 +1469,9 @@
 
 [[package]]
 name = "rustcrypto-ff"
-version = "0.14.0-rc.0"
+version = "0.14.0-rc.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5db129183b2c139d7d87d08be57cba626c715789db17aec65c8866bfd767d1f"
+checksum = "fd2a8adb347447693cd2ba0d218c4b66c62da9b0a5672b17b981e4291ec65ff6"
 dependencies = [
  "rand_core",
  "subtle",
@@ -1479,9 +1479,9 @@
 
 [[package]]
 name = "rustcrypto-group"
-version = "0.14.0-rc.0"
+version = "0.14.0-rc.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c4b1463f274a3ff6fb2f44da43e576cb9424367bd96f185ead87b52fe00523"
+checksum = "369f9b61aa45933c062c9f6b5c3c50ab710687eca83dd3802653b140b43f85ed"
 dependencies = [
  "rand_core",
  "rustcrypto-ff",
@@ -1619,9 +1619,9 @@
 
 [[package]]
 name = "sec1"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f46b9a5ab87780a3189a1d704766579517a04ad59de653b7aad7d38e8a15f7dc"
+checksum = "d56d437c2f19203ce5f7122e507831de96f3d2d4d3be5af44a0b0a09d8a80e4d"
 dependencies = [
  "base16ct",
  "ctutils",
@@ -1633,9 +1633,9 @@
 
 [[package]]
 name = "semver"
-version = "1.0.27"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
+checksum = "8a7852d02fc848982e0c167ef163aaff9cd91dc640ba85e263cb1ce46fae51cd"
 
 [[package]]
 name = "serde"
@@ -1893,40 +1893,40 @@
 
 [[package]]
 name = "toml_datetime"
-version = "1.1.0+spec-1.1.0"
+version = "1.1.1+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97251a7c317e03ad83774a8752a7e81fb6067740609f75ea2b585b569a59198f"
+checksum = "3165f65f62e28e0115a00b2ebdd37eb6f3b641855f9d636d3cd4103767159ad7"
 dependencies = [
  "serde_core",
 ]
 
 [[package]]
 name = "toml_edit"
-version = "0.25.8+spec-1.1.0"
+version = "0.25.10+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16bff38f1d86c47f9ff0647e6838d7bb362522bdf44006c7068c2b1e606f1f3c"
+checksum = "a82418ca169e235e6c399a84e395ab6debeb3bc90edc959bf0f48647c6a32d1b"
 dependencies = [
  "indexmap",
  "toml_datetime",
  "toml_parser",
  "toml_writer",
- "winnow 1.0.0",
+ "winnow 1.0.1",
 ]
 
 [[package]]
 name = "toml_parser"
-version = "1.1.0+spec-1.1.0"
+version = "1.1.2+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2334f11ee363607eb04df9b8fc8a13ca1715a72ba8662a26ac285c98aabb4011"
+checksum = "a2abe9b86193656635d2411dc43050282ca48aa31c2451210f4202550afb7526"
 dependencies = [
- "winnow 1.0.0",
+ "winnow 1.0.1",
 ]
 
 [[package]]
 name = "toml_writer"
-version = "1.1.0+spec-1.1.0"
+version = "1.1.1+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d282ade6016312faf3e41e57ebbba0c073e4056dab1232ab1cb624199648f8ed"
+checksum = "756daf9b1013ebe47a8776667b466417e2d4c5679d441c26230efd9ef78692db"
 
 [[package]]
 name = "typenum"
@@ -2170,9 +2170,9 @@
 
 [[package]]
 name = "winnow"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a90e88e4667264a994d34e6d1ab2d26d398dcdca8b7f52bec8668957517fc7d8"
+checksum = "09dac053f1cd375980747450bfc7250c264eaae0583872e845c0c7cd578872b5"
 dependencies = [
  "memchr",
 ]
diff --git a/Cargo.toml b/Cargo.toml
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,4 +29,4 @@
 defmt = { version = "1" }
 
 [patch.crates-io]
-dhkem = { git = "https://github.com/RustCrypto/KEMs", rev = "2d277162e0c5ed1c53bb315d0c0dace394cba70a" }
+dhkem = { git = "https://github.com/RustCrypto/KEMs", rev = "5b84cfb1c94ef4eeecd77d3281d18833d095978b" }
diff --git a/sachy-crypto/src/lib.rs b/sachy-crypto/src/lib.rs
--- a/sachy-crypto/src/lib.rs
+++ b/sachy-crypto/src/lib.rs
@@ -8,10 +8,16 @@
     TryDecapsulate,
     kem::{Ciphertext, SharedKey},
 };
-use elliptic_curve::sec1::{FromSec1Point, ToSec1Point};
-use k256::{Sec1Point, ecdh::SharedSecret, elliptic_curve::subtle::ConstantTimeEq};
+use elliptic_curve::{
+    sec1::{FromSec1Point, ToSec1Point},
+    subtle::ConstantTimeEq,
+};
+use k256::Secp256k1;
 
 extern crate alloc;
+
+pub type SharedSecret = elliptic_curve::ecdh::SharedSecret<Secp256k1>;
+pub type Sec1Point = elliptic_curve::sec1::Sec1Point<Secp256k1>;
 
 /// Error type.
 ///