diff --git a/Cargo.lock b/Cargo.lock
index b45ee9b..613498e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -25,7 +25,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
 dependencies = [
  "cfg-if",
- "cipher",
+ "cipher 0.4.4",
  "cpufeatures 0.2.17",
 ]
 
@@ -37,7 +37,7 @@ checksum = "831010a0f742e1209b3bcea8fab6a8e149051ba6099432c8cb2cc117dec3ead1"
 dependencies = [
  "aead",
  "aes",
- "cipher",
+ "cipher 0.4.4",
  "ctr",
  "ghash",
  "subtle",
@@ -1014,7 +1014,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3613f74bd2eac03dad61bd53dbe620703d4371614fe0bc3b9f04dd36fe4e818"
 dependencies = [
  "cfg-if",
- "cipher",
+ "cipher 0.4.4",
  "cpufeatures 0.2.17",
 ]
 
@@ -1026,7 +1026,7 @@ checksum = "10cd79432192d1c0f4e1a0fef9527696cc039165d729fb41b3f4f4f354c2dc35"
 dependencies = [
  "aead",
  "chacha20",
- "cipher",
+ "cipher 0.4.4",
  "poly1305",
  "zeroize",
 ]
@@ -1079,10 +1079,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
  "crypto-common 0.1.7",
- "inout",
+ "inout 0.1.4",
  "zeroize",
 ]
 
+[[package]]
+name = "cipher"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e34d8227fe1ba289043aeb13792056ff80fd6de1a9f49137a5f499de8e8c78ea"
+dependencies = [
+ "crypto-common 0.2.1",
+ "inout 0.2.2",
+]
+
 [[package]]
 name = "clang-sys"
 version = "1.8.1"
@@ -1593,7 +1603,7 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0369ee1ad671834580515889b80f2ea915f23b8be8d0daa4bbaf2ac5c7590835"
 dependencies = [
- "cipher",
+ "cipher 0.4.4",
 ]
 
 [[package]]
@@ -1925,7 +1935,7 @@ dependencies = [
  "curve25519-dalek",
  "ed25519",
  "serde",
- "sha2",
+ "sha2 0.10.9",
  "subtle",
  "zeroize",
 ]
@@ -1965,7 +1975,7 @@ dependencies = [
  "anyhow",
  "async-trait",
  "blake3",
- "cipher",
+ "cipher 0.5.1",
  "cpufeatures 0.2.17",
  "hex",
  "hmac",
@@ -1975,7 +1985,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serial_test",
- "sha2",
+ "sha2 0.11.0",
  "subtle",
  "thiserror 2.0.17",
  "xts-mode",
@@ -2632,7 +2642,7 @@ dependencies = [
  "ring",
  "serde",
  "serde_json",
- "sha2",
+ "sha2 0.11.0",
  "thiserror 2.0.17",
  "tokio",
  "tokio-test",
@@ -3204,6 +3214,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "inout"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4250ce6452e92010fdf7268ccc5d14faa80bb12fc741938534c58f16804e03c7"
+dependencies = [
+ "hybrid-array",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.13"
@@ -3710,7 +3729,7 @@ dependencies = [
  "quick-protobuf-codec",
  "rand 0.8.5",
  "regex",
- "sha2",
+ "sha2 0.10.9",
  "smallvec",
  "tracing",
  "void",
@@ -3728,7 +3747,7 @@ dependencies = [
  "multihash",
  "quick-protobuf",
  "rand 0.8.5",
- "sha2",
+ "sha2 0.10.9",
  "thiserror 2.0.17",
  "tracing",
  "zeroize",
@@ -3751,7 +3770,7 @@ dependencies = [
  "once_cell",
  "quick-protobuf",
  "rand 0.8.5",
- "sha2",
+ "sha2 0.10.9",
  "snow",
  "static_assertions",
  "thiserror 1.0.69",
@@ -4607,7 +4626,7 @@ dependencies = [
  "digest 0.10.7",
  "hmac",
  "password-hash",
- "sha2",
+ "sha2 0.10.9",
 ]
 
 [[package]]
@@ -5965,7 +5984,7 @@ version = "8.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "60b161f275cb337fe0a44d924a5f4df0ed69c2c39519858f931ce61c779d3475"
 dependencies = [
- "sha2",
+ "sha2 0.10.9",
  "walkdir",
 ]
 
@@ -6555,6 +6574,17 @@ dependencies = [
  "digest 0.10.7",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "446ba717509524cb3f22f17ecc096f10f4822d76ab5c0b9822c5f9c284e825f4"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.0",
+ "digest 0.11.1",
+]
+
 [[package]]
 name = "sha3"
 version = "0.11.0-rc.8"
@@ -6827,7 +6857,7 @@ dependencies = [
  "rand_core 0.6.4",
  "ring",
  "rustc_version",
- "sha2",
+ "sha2 0.10.9",
  "subtle",
 ]
 
@@ -7239,7 +7269,7 @@ dependencies = [
  "object_store",
  "serde",
  "serde_json",
- "sha2",
+ "sha2 0.11.0",
  "tokio",
  "tracing",
 ]
@@ -7847,7 +7877,7 @@ dependencies = [
  "dashmap 6.1.0",
  "futures",
  "hex",
- "sha2",
+ "sha2 0.11.0",
  "wasmtime",
  "wasmtime-wasi",
 ]
@@ -9190,7 +9220,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cbddb7545ca0b9ffa7bdc653e8743303e1712687a6918ced25f2cdbed42520"
 dependencies = [
  "byteorder",
- "cipher",
+ "cipher 0.4.4",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index c5ed55c..ac7623f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -79,13 +79,13 @@ lz4 = { version = "=1.28.1" } # 2025-11-03 sw: hot-path compression, SIMD routin
 zstd = { version = "=0.13.3" } # 2025-11-03 sw: deep compression with wasm off, see audit log entry CRS-132
 zeroize = { version = "=1.8.2" } # 2025-11-03 sw: memory clearing policy alignment
 aes = { version = "=0.8.4" } # 2025-11-03 sw: AES-NI optimized, matches Phase3 design
-cipher = { version = "=0.4.4" } # 2025-11-03 sw: trait glue for AES/Poly1305 stack
+cipher = { version = "=0.5.1" } # 2025-11-03 sw: trait glue for AES/Poly1305 stack
 xts-mode = { version = "=0.5.1" } # 2025-11-03 sw: XTS primitive, matches patentable_concepts.md guidance
 poly1305 = { version = "=0.8.0" } # 2025-11-03 sw: MAC verification, constant-time guarantee
 cpufeatures = { version = "=0.2.17" } # 2025-11-03 sw: runtime AES capability detection
 subtle = { version = "=2.6.1" } # 2025-11-03 sw: constant-time comparisons for key/tweak handling
 hmac = { version = "=0.12.1" } # 2025-11-04 sw: HKDF based on HMAC-SHA256 for key derivation
-sha2 = { version = "=0.10.9" } # 2025-11-04 sw: Hash core for HKDF extractor
+sha2 = { version = "=0.11.0" } # 2025-11-04 sw: Hash core for HKDF extractor
 
 # Web Interface & Mesh Networking (2025-11-16 sw; Next-gen web interface with gossip)
 axum = { version = "^0.7.9", features = ["ws", "macros", "multipart"] } # 2025-11-16 sw: Web server framework