diff --git a/Cargo.lock b/Cargo.lock
index f9bddad..9826cbb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1614,9 +1614,9 @@ dependencies = [
 
 [[package]]
 name = "hybrid-array"
-version = "0.4.9"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a79f2aff40c18ab8615ddc5caa9eb5b96314aef18fe5823090f204ad988e813"
+checksum = "3944cf8cf766b40e2a1a333ee5e9b563f854d5fa49d6a8ca2764e97c6eddb214"
 dependencies = [
  "subtle",
  "typenum",
@@ -1816,9 +1816,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.93"
+version = "0.3.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "797146bb2677299a1eb6b7b50a890f4c361b29ef967addf5b2fa45dae1bb6d7d"
+checksum = "2e04e2ef80ce82e13552136fabeef8a5ed1f985a96805761cbb9a2c34e7664d9"
 dependencies = [
  "cfg-if",
  "futures-util",
@@ -1878,9 +1878,9 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[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"
@@ -2444,7 +2444,7 @@ version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e67ba7e9b2b56446f1d419b1d807906278ffa1a658a8a5d8a39dcb1f5a78614f"
 dependencies = [
- "toml_edit 0.25.8+spec-1.1.0",
+ "toml_edit 0.25.10+spec-1.1.0",
 ]
 
 [[package]]
@@ -2693,9 +2693,9 @@ dependencies = [
 
 [[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 0.10.0",
  "subtle",
@@ -2703,9 +2703,9 @@ dependencies = [
 
 [[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 0.10.0",
  "rustcrypto-ff",
@@ -2740,17 +2740,17 @@ checksum = "9774ba4a74de5f7b1c1451ed6cd5285a32eddb5cccb8cc655a4e50009e06477f"
 [[package]]
 name = "sachy-config"
 version = "0.1.0"
-source = "git+https://tangled.org/sachy.dev/sachy-embed-core#2485a1626c11ec976be8ec402b26a8812f72d3e4"
+source = "git+https://tangled.org/sachy.dev/sachy-embed-core#7e8218e9f40024412b7d813bf5052ed83036e3f3"
 dependencies = [
  "base64ct",
  "miette",
- "toml_edit 0.25.8+spec-1.1.0",
+ "toml_edit 0.25.10+spec-1.1.0",
 ]
 
 [[package]]
 name = "sachy-crypto"
 version = "0.1.0"
-source = "git+https://tangled.org/sachy.dev/sachy-embed-core#2485a1626c11ec976be8ec402b26a8812f72d3e4"
+source = "git+https://tangled.org/sachy.dev/sachy-embed-core#7e8218e9f40024412b7d813bf5052ed83036e3f3"
 dependencies = [
  "chacha20poly1305",
  "dhkem",
@@ -2762,12 +2762,12 @@ dependencies = [
 [[package]]
 name = "sachy-fmt"
 version = "0.1.0"
-source = "git+https://tangled.org/sachy.dev/sachy-embed-core#2485a1626c11ec976be8ec402b26a8812f72d3e4"
+source = "git+https://tangled.org/sachy.dev/sachy-embed-core#7e8218e9f40024412b7d813bf5052ed83036e3f3"
 
 [[package]]
 name = "sachy-mdns"
 version = "0.1.0"
-source = "git+https://tangled.org/sachy.dev/sachy-embed-core#2485a1626c11ec976be8ec402b26a8812f72d3e4"
+source = "git+https://tangled.org/sachy.dev/sachy-embed-core#7e8218e9f40024412b7d813bf5052ed83036e3f3"
 dependencies = [
  "sachy-fmt",
  "winnow 0.7.15",
@@ -2790,9 +2790,9 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[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",
@@ -3040,6 +3040,7 @@ dependencies = [
 name = "striker-proto"
 version = "0.1.0"
 dependencies = [
+ "aead",
  "dhkem",
  "postcard",
  "sachy-crypto",
@@ -3286,9 +3287,9 @@ dependencies = [
 
 [[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",
 ]
@@ -3307,12 +3308,12 @@ dependencies = [
 
 [[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 1.1.0+spec-1.1.0",
+ "toml_datetime 1.1.1+spec-1.1.0",
  "toml_parser",
  "toml_writer",
  "winnow 1.0.1",
@@ -3320,18 +3321,18 @@ dependencies = [
 
 [[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 1.0.1",
 ]
 
 [[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 = "tracing"
@@ -3589,9 +3590,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.116"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dc0882f7b5bb01ae8c5215a1230832694481c1a4be062fd410e12ea3da5b631"
+checksum = "0551fc1bb415591e3372d0bc4780db7e587d84e2a7e79da121051c5c4b89d0b0"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -3602,9 +3603,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.66"
+version = "0.4.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19280959e2844181895ef62f065c63e0ca07ece4771b53d89bfdb967d97cbf05"
+checksum = "03623de6905b7206edd0a75f69f747f134b7f0a2323392d664448bf2d3c5d87e"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -3612,9 +3613,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.116"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75973d3066e01d035dbedaad2864c398df42f8dd7b1ea057c35b8407c015b537"
+checksum = "7fbdf9a35adf44786aecd5ff89b4563a90325f9da0923236f6104e603c7e86be"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -3622,9 +3623,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.116"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91af5e4be765819e0bcfee7322c14374dc821e35e72fa663a830bbc7dc199eac"
+checksum = "dca9693ef2bab6d4e6707234500350d8dad079eb508dca05530c85dc3a529ff2"
 dependencies = [
  "bumpalo",
  "proc-macro2",
@@ -3635,9 +3636,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.116"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9bf0406a78f02f336bf1e451799cca198e8acde4ffa278f0fb20487b150a633"
+checksum = "39129a682a6d2d841b6c429d0c51e5cb0ed1a03829d8b3d1e69a011e62cb3d3b"
 dependencies = [
  "unicode-ident",
 ]
@@ -3678,9 +3679,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.93"
+version = "0.3.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "749466a37ee189057f54748b200186b59a03417a117267baf3fd89cecc9fb837"
+checksum = "cd70027e39b12f0849461e08ffc50b9cd7688d942c1c8e3c7b22273236b4dd0a"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/striker-proto/Cargo.toml b/striker-proto/Cargo.toml
index b165615..78c105c 100644
--- a/striker-proto/Cargo.toml
+++ b/striker-proto/Cargo.toml
@@ -9,5 +9,6 @@ license.workspace = true
 [dependencies]
 serde = { workspace = true, features = ["alloc"] }
 postcard = { workspace = true, features = ["alloc"] }
-sachy-crypto = { git = "https://tangled.org/sachy.dev/sachy-embed-core" }
+sachy-crypto = { git = "https://tangled.org/sachy.dev/sachy-embed-core", features = ["alloc"] }
+aead = "=0.6.0-rc.10"
 dhkem = { version = "0.1.0-rc.0", features = ["ecdh", "k256"] }
diff --git a/striker-proto/src/lib.rs b/striker-proto/src/lib.rs
index 531f15b..051c644 100644
--- a/striker-proto/src/lib.rs
+++ b/striker-proto/src/lib.rs
@@ -1,5 +1,6 @@
 #![no_std]
 
+use aead::Buffer;
 use alloc::{string::String, vec::Vec};
 use dhkem::{Secp256k1Kem, kem::Ciphertext};
 use sachy_crypto::{
@@ -107,9 +108,9 @@ impl ClientSender<'_> {
     pub fn encode_request(
         &mut self,
         request: StrikerRequest,
-        msg: &mut alloc::vec::Vec<u8>,
+        msg: &mut dyn Buffer,
     ) -> Result<(), ProtoError> {
-        let written = postcard::to_slice(&request, msg.as_mut_slice())
+        let written = postcard::to_slice(&request, msg.as_mut())
             .map_err(|_| ProtoError)?
             .len();
 
@@ -124,11 +125,11 @@ pub struct ClientReceiver<'a>(ReceivingState<'a>);
 impl ClientReceiver<'_> {
     pub fn decode_response(
         &mut self,
-        msg: &mut alloc::vec::Vec<u8>,
+        msg: &mut dyn Buffer,
     ) -> Result<StrikerResponse, ProtoError> {
         self.0.decrypt(msg, PROTO_ASSOCIATED_DATA)?;
 
-        postcard::from_bytes(msg).map_err(|_| ProtoError)
+        postcard::from_bytes(msg.as_mut()).map_err(|_| ProtoError)
     }
 }
 
@@ -148,9 +149,9 @@ impl ServerSender<'_> {
     pub fn encode_response(
         &mut self,
         response: StrikerResponse,
-        msg: &mut alloc::vec::Vec<u8>,
+        msg: &mut dyn Buffer,
     ) -> Result<(), ProtoError> {
-        let written = postcard::to_slice(&response, msg.as_mut_slice())
+        let written = postcard::to_slice(&response, msg.as_mut())
             .map_err(|_| ProtoError)?
             .len();
 
@@ -165,10 +166,10 @@ pub struct ServerReceiver<'a>(ReceivingState<'a>);
 impl ServerReceiver<'_> {
     pub fn decode_request(
         &mut self,
-        msg: &mut alloc::vec::Vec<u8>,
+        msg: &mut dyn Buffer,
     ) -> Result<StrikerRequest, ProtoError> {
         self.0.decrypt(msg, PROTO_ASSOCIATED_DATA)?;
 
-        postcard::from_bytes(msg).map_err(|_| ProtoError)
+        postcard::from_bytes(msg.as_mut()).map_err(|_| ProtoError)
     }
 }