diff --git a/Cargo.lock b/Cargo.lock
index 325747a..432045f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -22,34 +22,14 @@ checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "aes"
-version = "0.4.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7001367fde4c768a19d1029f0a8be5abd9308e1119846d5bd9ad26297b8faf5"
+checksum = "495ee669413bfbe9e8cace80f4d3d78e6d8c8d99579f97fb93bde351b185f2d4"
 dependencies = [
- "aes-soft",
- "aesni",
- "block-cipher",
-]
-
-[[package]]
-name = "aes-soft"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4925647ee64e5056cf231608957ce7c81e12d6d6e316b9ce1404778cc1d35fa7"
-dependencies = [
- "block-cipher",
- "byteorder",
- "opaque-debug 0.2.3",
-]
-
-[[package]]
-name = "aesni"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d050d39b0b7688b3a3254394c3e30a9d66c41dcf9b05b0e2dbdc623f6505d264"
-dependencies = [
- "block-cipher",
- "opaque-debug 0.2.3",
+ "cfg-if 1.0.0",
+ "cipher",
+ "cpufeatures",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -154,15 +134,6 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "block-cipher"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa136449e765dc7faa244561ccae839c394048667929af599b5d931ebe7b7f10"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "bumpalo"
 version = "3.7.0"
@@ -205,12 +176,11 @@ checksum = "e70cc2f62c6ce1868963827bd677764c62d07c3d9a3e1fb1177ee1a9ab199eb2"
 
 [[package]]
 name = "cfb8"
-version = "0.4.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba2baac45bade12cdd992418b4b4ea40f6198c03b2de1a9eb7b059f118f445d6"
+checksum = "c3a4b6c43bf284e617a659ce5dc149676680530a3a4a9bb6b278d1a9ed5b229d"
 dependencies = [
- "block-cipher",
- "stream-cipher",
+ "cipher",
 ]
 
 [[package]]
@@ -256,6 +226,15 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "cipher"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "clap"
 version = "2.33.3"
@@ -1571,12 +1550,6 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
-[[package]]
-name = "opaque-debug"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -2154,15 +2127,15 @@ dependencies = [
 
 [[package]]
 name = "sha-1"
-version = "0.9.6"
+version = "0.9.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c4cfa741c5832d0ef7fab46cabed29c2aae926db0b11bb2069edd8db5e64e16"
+checksum = "1a0c8611594e2ab4ebbf06ec7cbbf0a99450b8570e96cbf5188b5d5f6ef18d81"
 dependencies = [
  "block-buffer",
  "cfg-if 1.0.0",
  "cpufeatures",
  "digest",
- "opaque-debug 0.3.0",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -2329,15 +2302,6 @@ dependencies = [
  "zip",
 ]
 
-[[package]]
-name = "stream-cipher"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09f8ed9974042b8c3672ff3030a69fcc03b74c47c3d1ecb7755e8a3626011e88"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "strsim"
 version = "0.8.0"
diff --git a/protocol/Cargo.lock b/protocol/Cargo.lock
index 1e51c0c..168a6cb 100644
--- a/protocol/Cargo.lock
+++ b/protocol/Cargo.lock
@@ -10,34 +10,14 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "aes"
-version = "0.4.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7001367fde4c768a19d1029f0a8be5abd9308e1119846d5bd9ad26297b8faf5"
+checksum = "495ee669413bfbe9e8cace80f4d3d78e6d8c8d99579f97fb93bde351b185f2d4"
 dependencies = [
- "aes-soft",
- "aesni",
- "block-cipher",
-]
-
-[[package]]
-name = "aes-soft"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4925647ee64e5056cf231608957ce7c81e12d6d6e316b9ce1404778cc1d35fa7"
-dependencies = [
- "block-cipher",
- "byteorder",
- "opaque-debug 0.2.3",
-]
-
-[[package]]
-name = "aesni"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d050d39b0b7688b3a3254394c3e30a9d66c41dcf9b05b0e2dbdc623f6505d264"
-dependencies = [
- "block-cipher",
- "opaque-debug 0.2.3",
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -67,15 +47,6 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "block-cipher"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa136449e765dc7faa244561ccae839c394048667929af599b5d931ebe7b7f10"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "bumpalo"
 version = "3.6.1"
@@ -102,12 +73,11 @@ checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
 
 [[package]]
 name = "cfb8"
-version = "0.4.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba2baac45bade12cdd992418b4b4ea40f6198c03b2de1a9eb7b059f118f445d6"
+checksum = "c3a4b6c43bf284e617a659ce5dc149676680530a3a4a9bb6b278d1a9ed5b229d"
 dependencies = [
- "block-cipher",
- "stream-cipher",
+ "cipher",
 ]
 
 [[package]]
@@ -116,6 +86,15 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "cipher"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.1"
@@ -133,10 +112,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
 
 [[package]]
-name = "cpuid-bool"
-version = "0.1.2"
+name = "cpufeatures"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
+checksum = "66c99696f6c9dd7f35d486b9d04d7e6e202aa3e8c40d553f2fdf5e7e0c6a71ef"
+dependencies = [
+ "libc",
+]
 
 [[package]]
 name = "crc32fast"
@@ -446,9 +428,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.87"
+version = "0.2.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "265d751d31d6780a3f956bb5b8022feba2d94eeee5a84ba64f4212eedca42213"
+checksum = "320cfe77175da3a483efed4bc0adc1968ca050b098ce4f2f1c13a56626128790"
 
 [[package]]
 name = "log"
@@ -556,12 +538,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "opaque-debug"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -802,15 +778,15 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.126"
+version = "1.0.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
+checksum = "f03b9878abf6d14e6779d3f24f07b2cfa90352cfec4acc5aab8f1ac7f146fae8"
 
 [[package]]
 name = "serde_json"
-version = "1.0.64"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
+checksum = "336b10da19a12ad094b59d870ebde26a45402e5b470add4b5fd03c5048a32127"
 dependencies = [
  "itoa",
  "ryu",
@@ -831,15 +807,15 @@ dependencies = [
 
 [[package]]
 name = "sha-1"
-version = "0.9.4"
+version = "0.9.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfebf75d25bd900fd1e7d11501efab59bc846dbc76196839663e6637bba9f25f"
+checksum = "1a0c8611594e2ab4ebbf06ec7cbbf0a99450b8570e96cbf5188b5d5f6ef18d81"
 dependencies = [
  "block-buffer",
  "cfg-if",
- "cpuid-bool",
+ "cpufeatures",
  "digest",
- "opaque-debug 0.3.0",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -890,15 +866,6 @@ dependencies = [
 name = "steven_shared"
 version = "0.0.1"
 
-[[package]]
-name = "stream-cipher"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09f8ed9974042b8c3672ff3030a69fcc03b74c47c3d1ecb7755e8a3626011e88"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "syn"
 version = "1.0.60"
diff --git a/protocol/Cargo.toml b/protocol/Cargo.toml
index 7196406..6b84c0f 100644
--- a/protocol/Cargo.toml
+++ b/protocol/Cargo.toml
@@ -7,14 +7,14 @@ edition = "2018"
 [dependencies]
 serde = "1.0.127"
 serde_json = "1.0.66"
-hex = "0.4.2"
-sha-1 = "0.9.1"
-aes = "0.4.0"
-cfb8 = "0.4.0"
+hex = "0.4.3"
+sha-1 = "0.9.7"
+aes = "0.7.4"
+cfb8 = "0.7.1"
 byteorder = "1.4.3"
 log = { version = "0.4.14", features = ["std"] }
 flate2 = { version = "1.0.20", features = ["rust_backend"], default-features = false }
-num-traits = "0.2.12"
+num-traits = "0.2.14"
 instant = "0.1.10"
 
 [dependencies.steven_shared]
diff --git a/protocol/src/protocol/mod.rs b/protocol/src/protocol/mod.rs
index eca606f..b9f1ddc 100644
--- a/protocol/src/protocol/mod.rs
+++ b/protocol/src/protocol/mod.rs
@@ -16,7 +16,7 @@
 #![allow(non_camel_case_types)]
 
 use aes::Aes128;
-use cfb8::stream_cipher::{NewStreamCipher, StreamCipher};
+use cfb8::cipher::{AsyncStreamCipher, NewCipher};
 use cfb8::Cfb8;
 use std_or_web::fs;
 
@@ -1252,7 +1252,7 @@ impl Conn {
     }
 
     pub fn enable_encyption(&mut self, key: &[u8], _decrypt: bool) {
-        let cipher = Aes128Cfb::new_var(key, key).unwrap();
+        let cipher = Aes128Cfb::new_from_slices(key, key).unwrap();
         self.cipher = Option::Some(cipher);
     }