working on key

4 files changed, 306 insertions, 175 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 6fcb8a9..8ccbb91 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,8 +1,13 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
+name = "adler32"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "aho-corasick"
-version = "0.7.10"
+version = "0.7.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -54,9 +59,9 @@ name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -109,7 +114,7 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.54"
+version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "jobserver 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -125,7 +130,7 @@ name = "clipboard-win"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -142,7 +147,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "directories 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -171,7 +176,7 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -197,7 +202,7 @@ dependencies = [
  "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -251,9 +256,9 @@ name = "dirs-sys"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_users 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -261,9 +266,9 @@ name = "dirs-sys-next"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_users 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -276,7 +281,7 @@ dependencies = [
 
 [[package]]
 name = "downcast-rs"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -301,11 +306,11 @@ name = "err-derive"
 version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-error 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-error 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustversion 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -315,9 +320,9 @@ version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -330,8 +335,8 @@ name = "fs2"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -399,7 +404,7 @@ dependencies = [
  "proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -447,11 +452,11 @@ name = "generator"
 version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -460,7 +465,7 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -490,14 +495,15 @@ dependencies = [
  "protobuf-codegen-pure 3.0.0-pre (git+https://github.com/stepancheg/rust-protobuf)",
  "quinn 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.55 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "socket2 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sodiumoxide 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "zstd 0.5.3+zstd.1.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -506,18 +512,18 @@ name = "hbbs"
 version = "0.1.0"
 dependencies = [
  "hbb_common 0.1.0",
- "serde 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.55 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "sled 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -533,7 +539,7 @@ name = "iovec"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -554,15 +560,15 @@ name = "jobserver"
 version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "js-sys"
-version = "0.3.40"
+version = "0.3.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "wasm-bindgen 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -581,15 +587,39 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "libflate"
+version = "0.1.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "adler32 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rle-decode-fast 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "libloading"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "libsodium-sys"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libflate 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tar 0.4.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -632,7 +662,7 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "nix 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -640,7 +670,7 @@ name = "malloc_buf"
 version = "0.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -658,13 +688,13 @@ name = "memmap"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "memoffset"
-version = "0.5.4"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -680,7 +710,7 @@ dependencies = [
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -690,13 +720,13 @@ dependencies = [
 
 [[package]]
 name = "mio-named-pipes"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -705,7 +735,7 @@ version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -726,7 +756,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "socket2 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -735,8 +765,8 @@ version = "0.2.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -745,9 +775,9 @@ version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.57 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -757,9 +787,9 @@ version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.57 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -776,8 +806,8 @@ name = "num_cpus"
 version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -818,7 +848,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "ordered-float"
-version = "1.0.2"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -840,10 +870,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -861,7 +891,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -875,30 +905,35 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "pkg-config"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "ppv-lite86"
 version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "proc-macro-error"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-error-attr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-error-attr 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "proc-macro-error-attr"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn-mid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -926,18 +961,18 @@ name = "proc-macro2"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "protobuf"
 version = "3.0.0-pre"
-source = "git+https://github.com/stepancheg/rust-protobuf#3f8278e3c1a6f87fe38337c51aee08bf672a2e3b"
+source = "git+https://github.com/stepancheg/rust-protobuf#f69b3713cbdba97b3cf8bc957c5b5edae2bf6a07"
 
 [[package]]
 name = "protobuf-codegen"
 version = "3.0.0-pre"
-source = "git+https://github.com/stepancheg/rust-protobuf#3f8278e3c1a6f87fe38337c51aee08bf672a2e3b"
+source = "git+https://github.com/stepancheg/rust-protobuf#f69b3713cbdba97b3cf8bc957c5b5edae2bf6a07"
 dependencies = [
  "protobuf 3.0.0-pre (git+https://github.com/stepancheg/rust-protobuf)",
 ]
@@ -945,7 +980,7 @@ dependencies = [
 [[package]]
 name = "protobuf-codegen-pure"
 version = "3.0.0-pre"
-source = "git+https://github.com/stepancheg/rust-protobuf#3f8278e3c1a6f87fe38337c51aee08bf672a2e3b"
+source = "git+https://github.com/stepancheg/rust-protobuf#f69b3713cbdba97b3cf8bc957c5b5edae2bf6a07"
 dependencies = [
  "protobuf 3.0.0-pre (git+https://github.com/stepancheg/rust-protobuf)",
  "protobuf-codegen 3.0.0-pre (git+https://github.com/stepancheg/rust-protobuf)",
@@ -964,7 +999,7 @@ dependencies = [
  "bytes 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "err-derive 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "quinn-proto 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustls 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1012,7 +1047,7 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1063,7 +1098,7 @@ name = "regex"
 version = "1.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.7.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.7.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1079,16 +1114,21 @@ name = "ring"
 version = "0.16.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-sys 0.3.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
+name = "rle-decode-fast"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "rust-argon2"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1144,7 +1184,7 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "approx 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ordered-float 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ordered-float 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "stb_truetype 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1155,7 +1195,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1177,7 +1217,7 @@ version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1207,7 +1247,7 @@ dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "security-framework-sys 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1217,7 +1257,7 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1235,27 +1275,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.113"
+version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.113"
+version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.55"
+version = "1.0.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1264,7 +1304,7 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arc-swap 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1282,14 +1322,14 @@ dependencies = [
  "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "fs2 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "smallvec"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1322,9 +1362,19 @@ version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "sodiumoxide"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsodium-sys 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1342,12 +1392,12 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.32"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1357,7 +1407,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1367,8 +1417,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "take_mut"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "tar"
+version = "0.4.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "filetime 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "xattr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1397,17 +1463,17 @@ dependencies = [
  "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio-named-pipes 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio-named-pipes 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project-lite 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1417,7 +1483,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1439,7 +1505,7 @@ name = "toml"
 version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1459,7 +1525,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1477,7 +1543,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1486,6 +1552,11 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "vcpkg"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "version_check"
 version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1501,7 +1572,7 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "same-file 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1512,16 +1583,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.63"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-macro 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.63"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bumpalo 3.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1529,34 +1600,34 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-shared 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.63"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-macro-support 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro-support 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.63"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
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- "wasm-bindgen-shared 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-backend 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
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-version = "0.2.63"
+version = "0.2.64"
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 [[package]]
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- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "downcast-rs 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1614,11 +1685,11 @@ dependencies = [
 
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-version = "0.3.40"
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- "wasm-bindgen 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.64 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1637,7 +1708,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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-version = "0.3.8"
+version = "0.3.9"
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 dependencies = [
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@@ -1659,7 +1730,7 @@ name = "winapi-util"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1685,11 +1756,19 @@ dependencies = [
 ]
 
 [[package]]
+name = "xattr"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
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 dependencies = [
- "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1809,9 +1891,9 @@ dependencies = [
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@@ -1825,16 +1907,17 @@ dependencies = [
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@@ -1873,21 +1957,24 @@ dependencies = [
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 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)" = "6135c78461981c79497158ef777264c51d9d0f4f3fc3a4d22b915900e42dac6a"
-"checksum serde_derive 1.0.113 (registry+https://github.com/rust-lang/crates.io-index)" = "93c5eaa17d0954cb481cdcfffe9d84fcfa7a1a9f2349271e678677be4c26ae31"
-"checksum serde_json 1.0.55 (registry+https://github.com/rust-lang/crates.io-index)" = "ec2c5d7e739bc07a3e73381a39d61fdb5f671c60c1df26a130690665803d8226"
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-"checksum syn 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)" = "a994520748611c17d163e81b6c4a4b13d11b7f63884362ab2efac3aa9cf16d00"
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 "checksum synstructure 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
+"checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
+"checksum tar 0.4.29 (registry+https://github.com/rust-lang/crates.io-index)" = "c8a4c1d0bee3230179544336c15eefb563cf0302955d962e456542323e8c2e8a"
 "checksum termcolor 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb6bfa289a4d7c5766392812c0a1f4c1ba45afa1ad47803c11e1f407d846d75f"
 "checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
 "checksum tokio 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)" = "d099fa27b9702bed751524694adbe393e18b36b204da91eb1cbbbbb4a5ee2d58"
@@ -1898,32 +1985,34 @@ dependencies = [
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 "checksum tracing-core 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "0aa83a9a47081cd522c09c81b31aec2c9273424976f922ad61c053b58350b715"
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-"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
+"checksum unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
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+"checksum vcpkg 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
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-"checksum wasm-bindgen 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)" = "4c2dc4aa152834bc334f506c1a06b866416a8b6697d5c9f75b9a689c8486def0"
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-"checksum wasm-bindgen-shared 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)" = "c9ba19973a58daf4db6f352eda73dc0e289493cd29fb2632eb172085b6521acd"
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-"checksum web-sys 0.3.40 (registry+https://github.com/rust-lang/crates.io-index)" = "7b72fe77fd39e4bd3eaa4412fd299a0be6b3dfe9d2597e2f1c20beb968f41d17"
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 "checksum xml-rs 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b07db065a5cf61a7e4ba64f29e67db906fb1787316516c4e6e5ff0fea1efcd8a"
diff --git a/libs/hbb_common b/libs/hbb_common
-Subproject 1ba798488119d8d31950efca724440feb87cba5
+Subproject 5e977383041f35f856ee2dfc5fcf07c8300e2da
diff --git a/src/rendezvous_server.rs b/src/rendezvous_server.rs
index 3c6dda3..75d9848 100644
--- a/src/rendezvous_server.rs
+++ b/src/rendezvous_server.rs
@@ -27,6 +27,7 @@ use std::{
 struct Peer {
     socket_addr: SocketAddr,
     last_reg_time: Instant,
+    pk: Vec<u8>,
 }
 
 impl Default for Peer {
@@ -36,6 +37,7 @@ impl Default for Peer {
             last_reg_time: Instant::now()
                 .checked_sub(std::time::Duration::from_secs(3600))
                 .unwrap(),
+            pk: Vec::new(),
         }
     }
 }
@@ -44,6 +46,8 @@ impl Default for Peer {
 struct PeerSerde {
     #[serde(default)]
     ip: String,
+    #[serde(default)]
+    pk: Vec<u8>,
 }
 
 #[derive(Clone)]
@@ -61,27 +65,63 @@ impl PeerMap {
     }
 
     #[inline]
-    fn insert(&mut self, key: String, peer: Peer) {
-        let ip = peer.socket_addr.ip();
-        if self
-            .map
-            .write()
-            .unwrap()
-            .insert(key.clone(), peer)
-            .is_none()
-        {
-            let ip = ip.to_string();
-            self.db.insert(key, PeerSerde { ip });
+    async fn update_addr(&mut self, key: String, socket_addr: SocketAddr) {
+        let mut lock = self.map.write().unwrap();
+        let last_reg_time = Instant::now();
+        if let Some(old) = lock.get_mut(&key) {
+            old.socket_addr = socket_addr;
+            old.last_reg_time = last_reg_time;
+        } else {
+            let mut me = self.clone();
+            tokio::spawn(async move {
+                let v = me.db.get(key.clone()).await;
+                let pk = if let Some(v) = super::SledAsync::deserialize::<PeerSerde>(&v) {
+                    v.pk
+                } else {
+                    Vec::new()
+                };
+                me.map.write().unwrap().insert(
+                    key,
+                    Peer {
+                        socket_addr,
+                        last_reg_time,
+                        pk,
+                    },
+                );
+            });
         }
     }
 
     #[inline]
+    fn update_key(&mut self, key: String, socket_addr: SocketAddr, pk: Vec<u8>) {
+        let mut lock = self.map.write().unwrap();
+        lock.insert(
+            key.clone(),
+            Peer {
+                socket_addr,
+                last_reg_time: Instant::now(),
+                pk: pk.clone(),
+            },
+        );
+        let ip = socket_addr.ip().to_string();
+        self.db.insert(key, PeerSerde { ip, pk });
+    }
+
+    #[inline]
     async fn get(&mut self, key: String) -> Option<Peer> {
         let p = self.map.read().unwrap().get(&key).map(|x| x.clone());
         if p.is_some() {
             return p;
         } else {
-            if let Some(_) = self.db.get(key).await {
+            let v = self.db.get(key.clone()).await;
+            if let Some(v) = super::SledAsync::deserialize::<PeerSerde>(&v) {
+                self.map.write().unwrap().insert(
+                    key,
+                    Peer {
+                        pk: v.pk,
+                        ..Default::default()
+                    },
+                );
                 return Some(Peer::default());
             }
         }
@@ -168,18 +208,20 @@ impl RendezvousServer {
                     // B registered
                     if rp.id.len() > 0 {
                         log::debug!("New peer registered: {:?} {:?}", &rp.id, &addr);
-                        self.pm.insert(
-                            rp.id,
-                            Peer {
-                                socket_addr: addr,
-                                last_reg_time: Instant::now(),
-                            },
-                        );
+                        self.pm.update_addr(rp.id, addr).await;
                         let mut msg_out = RendezvousMessage::new();
                         msg_out.set_register_peer_response(RegisterPeerResponse::default());
                         socket.send(&msg_out, addr).await?
                     }
                 }
+                Some(rendezvous_message::Union::register_key(rk)) => {
+                    let id = rk.id;
+                    if let Some(peer) = self.pm.get(id.clone()).await {
+                        if peer.pk.is_empty() {
+                            self.pm.update_key(id, addr, rk.key);
+                        }
+                    }
+                }
                 Some(rendezvous_message::Union::punch_hole_request(ph)) => {
                     let id = ph.id;
                     if self.pm.is_in_memory(&id) {
@@ -199,7 +241,7 @@ impl RendezvousServer {
                     self.handle_local_addr(&la, addr, Some(socket)).await?;
                 }
                 Some(rendezvous_message::Union::system_info(info)) => {
-                    log::info!("{}", info.value);                    
+                    log::info!("{}", info.value);
                 }
                 _ => {}
             }
diff --git a/src/sled_async.rs b/src/sled_async.rs
index 889966f..e36111e 100644
--- a/src/sled_async.rs
+++ b/src/sled_async.rs
@@ -79,7 +79,7 @@ impl SledAsync {
     }
 
     #[inline]
-    pub fn _deserialize<'a, T: serde::Deserialize<'a>>(v: &'a Option<sled::IVec>) -> Option<T> {
+    pub fn deserialize<'a, T: serde::Deserialize<'a>>(v: &'a Option<sled::IVec>) -> Option<T> {
         if let Some(v) = v {
             if let Ok(v) = std::str::from_utf8(v) {
                 if let Ok(v) = serde_json::from_str::<T>(&v) {