diff --git a/Cargo.lock b/Cargo.lock
index 5d69ec2..0fff3ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -44,7 +44,7 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
 dependencies = [
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -121,7 +121,7 @@ checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
  "hermit-abi",
  "libc",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -138,7 +138,7 @@ dependencies = [
  "log",
  "rand 0.7.3",
  "runloop",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -185,9 +185,9 @@ checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
 [[package]]
 name = "base64ct"
-version = "1.1.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6b4d9b1225d28d360ec6a231d65af1fd99a2a095154c8040689617290569c5c"
+checksum = "dea908e7347a8c64e378c17e30ef880ad73e3b4498346b055c2c00ea342f3179"
 
 [[package]]
 name = "bindgen"
@@ -368,7 +368,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc7bd6f6a6240f4f0a39b89c731916b15eefa26d31f90dffc1d232b7981d09a3"
 dependencies = [
  "capnp",
- "futures",
+ "futures 0.3.21",
 ]
 
 [[package]]
@@ -379,7 +379,7 @@ checksum = "37998522d42bbe4a1d266f418b1a053b679a338e904e55afd5ff22333df0e09e"
 dependencies = [
  "capnp",
  "capnp-futures",
- "futures",
+ "futures 0.3.21",
 ]
 
 [[package]]
@@ -406,6 +406,8 @@ dependencies = [
  "sha1",
  "sha2 0.10.2",
  "simpledateformat",
+ "ssh-agent",
+ "ssh-key",
  "u2f",
  "x509",
  "x509-parser 0.13.1",
@@ -452,7 +454,7 @@ dependencies = [
  "num-traits",
  "time 0.1.43",
  "wasm-bindgen",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -490,12 +492,27 @@ dependencies = [
  "vec_map",
 ]
 
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "const-oid"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d6f2aa4d0537bcc1c74df8755072bd31c1ef1a3a1b85a68e8404a8c353b7b8b"
 
+[[package]]
+name = "const-oid"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4c78c047431fee22c1a7bb92e00ad095a02a983affe4d8a72e2a2c62c1b94f3"
+
 [[package]]
 name = "cookie-factory"
 version = "0.3.2"
@@ -536,6 +553,54 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c20ff29ded3204c5106278a81a38f4b482636ed4fa1e6cfbeef193291beb29ed"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+ "maybe-uninit",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
+dependencies = [
+ "autocfg 1.1.0",
+ "cfg-if 0.1.10",
+ "crossbeam-utils",
+ "lazy_static",
+ "maybe-uninit",
+ "memoffset",
+ "scopeguard",
+]
+
+[[package]]
+name = "crossbeam-queue"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
+dependencies = [
+ "cfg-if 0.1.10",
+ "crossbeam-utils",
+ "maybe-uninit",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+dependencies = [
+ "autocfg 1.1.0",
+ "cfg-if 0.1.10",
+ "lazy_static",
+]
+
 [[package]]
 name = "crunchy"
 version = "0.2.2"
@@ -596,10 +661,19 @@ version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79b71cca7d95d7681a4b3b9cdf63c8dbc3730d0584c2c74e31416d64a90493f4"
 dependencies = [
- "const-oid",
+ "const-oid 0.6.2",
  "crypto-bigint",
 ]
 
+[[package]]
+name = "der"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6919815d73839e7ad218de758883aae3a257ba6759ce7a9992501efbb53d705c"
+dependencies = [
+ "const-oid 0.7.1",
+]
+
 [[package]]
 name = "der-oid-macro"
 version = "0.5.0"
@@ -713,7 +787,7 @@ checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
 dependencies = [
  "libc",
  "redox_users",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -724,7 +798,7 @@ checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
 dependencies = [
  "libc",
  "redox_users",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -750,7 +824,7 @@ version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43ee23aa5b4f68c7a092b5c3beb25f50c406adc75e2363634f242f28ab255372"
 dependencies = [
- "der",
+ "der 0.4.5",
  "elliptic-curve",
  "hmac",
  "signature",
@@ -837,6 +911,12 @@ dependencies = [
  "miniz_oxide 0.5.1",
 ]
 
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
@@ -859,15 +939,37 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
 dependencies = [
  "libc",
- "winapi",
+ "winapi 0.3.9",
 ]
 
+[[package]]
+name = "fuchsia-zircon"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
+dependencies = [
+ "bitflags",
+ "fuchsia-zircon-sys",
+]
+
+[[package]]
+name = "fuchsia-zircon-sys"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
+
 [[package]]
 name = "funty"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
 
+[[package]]
+name = "futures"
+version = "0.1.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
+
 [[package]]
 name = "futures"
 version = "0.3.21"
@@ -1149,6 +1251,16 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+dependencies = [
+ "winapi 0.2.8",
+ "winapi-build",
+]
+
 [[package]]
 name = "lalrpop"
 version = "0.19.7"
@@ -1222,7 +1334,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "efbc0f03f9a775e9f6aed295c6a1ba2253c5757a9e03d55c6caa46a681abcddd"
 dependencies = [
  "cfg-if 1.0.0",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -1263,6 +1375,15 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "lock_api"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4da24a77a3d8a6d4862d95f72e6fdb9c09a643ecdb402d754004a557f2bec75"
+dependencies = [
+ "scopeguard",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.7"
@@ -1288,12 +1409,27 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
+[[package]]
+name = "maybe-uninit"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
+
 [[package]]
 name = "memchr"
 version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
+[[package]]
+name = "memoffset"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "043175f069eda7b85febe4a74abbaeff828d9f8b448515d3151a14a3542811aa"
+dependencies = [
+ "autocfg 1.1.0",
+]
+
 [[package]]
 name = "memsec"
 version = "0.6.0"
@@ -1325,6 +1461,25 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "mio"
+version = "0.6.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
+dependencies = [
+ "cfg-if 0.1.10",
+ "fuchsia-zircon",
+ "fuchsia-zircon-sys",
+ "iovec",
+ "kernel32-sys",
+ "libc",
+ "log",
+ "miow 0.2.2",
+ "net2",
+ "slab",
+ "winapi 0.2.8",
+]
+
 [[package]]
 name = "mio"
 version = "0.8.2"
@@ -1333,10 +1488,33 @@ checksum = "52da4364ffb0e4fe33a9841a98a3f3014fb964045ce4f7a45a398243c8d6b0c9"
 dependencies = [
  "libc",
  "log",
- "miow",
+ "miow 0.3.7",
  "ntapi",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "winapi",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "mio-uds"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afcb699eb26d4332647cc848492bbc15eafb26f08d0304550d5aa1f612e066f0"
+dependencies = [
+ "iovec",
+ "libc",
+ "mio 0.6.23",
+]
+
+[[package]]
+name = "miow"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d"
+dependencies = [
+ "kernel32-sys",
+ "net2",
+ "winapi 0.2.8",
+ "ws2_32-sys",
 ]
 
 [[package]]
@@ -1345,7 +1523,18 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
 dependencies = [
- "winapi",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "net2"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -1432,7 +1621,7 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
 dependencies = [
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -1461,7 +1650,7 @@ dependencies = [
  "num-traits",
  "rand 0.8.5",
  "serde",
- "smallvec",
+ "smallvec 1.8.0",
  "zeroize",
 ]
 
@@ -1587,13 +1776,13 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e65178cc0251816d244004177f958a914579dd25150153829be47c87360d5550"
 dependencies = [
- "futures",
+ "futures 0.3.21",
  "hex",
  "lazy_static",
  "log",
  "openpgp-card",
  "sequoia-ipc",
- "tokio",
+ "tokio 1.17.0",
 ]
 
 [[package]]
@@ -1661,14 +1850,40 @@ dependencies = [
  "elliptic-curve",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
+dependencies = [
+ "lock_api 0.3.4",
+ "parking_lot_core 0.6.2",
+ "rustc_version",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "87f5ec2493a61ac0506c0f4199f99070cbe83857b0337006a30f3e6719b8ef58"
 dependencies = [
- "lock_api",
- "parking_lot_core",
+ "lock_api 0.4.7",
+ "parking_lot_core 0.9.2",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
+dependencies = [
+ "cfg-if 0.1.10",
+ "cloudabi",
+ "libc",
+ "redox_syscall 0.1.57",
+ "rustc_version",
+ "smallvec 0.6.14",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -1679,8 +1894,8 @@ checksum = "995f667a6c822200b0433ac218e05582f0e2efa1b922a3fd2fbaadc5f87bab37"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "redox_syscall",
- "smallvec",
+ "redox_syscall 0.2.13",
+ "smallvec 1.8.0",
  "windows-sys",
 ]
 
@@ -1729,9 +1944,18 @@ dependencies = [
 
 [[package]]
 name = "pem-rfc7468"
-version = "0.2.4"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84e93a3b1cc0510b03020f33f21e62acdde3dcaef432edc95bea377fbd4c2cd4"
+checksum = "8f22eb0e3c593294a99e9ff4b24cf6b752d43f193aa4415fe5077c159996d497"
+dependencies = [
+ "base64ct",
+]
+
+[[package]]
+name = "pem-rfc7468"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "973e070439aaacda48e5effad187f36d670b7635f7dcb75fa3c6f482d1b5b932"
 dependencies = [
  "base64ct",
 ]
@@ -1779,8 +2003,8 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "116bee8279d783c0cf370efa1a94632f2108e5ef0bb32df31f051647810a4e2c"
 dependencies = [
- "der",
- "pem-rfc7468",
+ "der 0.4.5",
+ "pem-rfc7468 0.2.3",
  "zeroize",
 ]
 
@@ -1790,8 +2014,8 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee3ef9b64d26bad0536099c816c6734379e45bbd5f14798def6809e5cc350447"
 dependencies = [
- "der",
- "pem-rfc7468",
+ "der 0.4.5",
+ "pem-rfc7468 0.2.3",
  "pkcs1",
  "spki",
  "zeroize",
@@ -1937,6 +2161,12 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.1.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.13"
@@ -1953,7 +2183,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
 dependencies = [
  "getrandom 0.2.6",
- "redox_syscall",
+ "redox_syscall 0.2.13",
  "thiserror",
 ]
 
@@ -1980,7 +2210,7 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
 dependencies = [
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -1995,7 +2225,7 @@ dependencies = [
  "spin",
  "untrusted 0.7.1",
  "web-sys",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2059,6 +2289,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rusticata-macros"
 version = "4.1.0"
@@ -2086,6 +2325,16 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
+[[package]]
+name = "sec1"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08da66b8b0965a5555b6bd6639e68ccba85e1e2506f5fbb089e93f8a04e1a2d1"
+dependencies = [
+ "der 0.5.1",
+ "generic-array",
+]
+
 [[package]]
 name = "secrecy"
 version = "0.8.0"
@@ -2095,6 +2344,21 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "sequoia-ipc"
 version = "0.27.0"
@@ -2107,7 +2371,7 @@ dependencies = [
  "ctor",
  "dirs",
  "fs2",
- "futures",
+ "futures 0.3.21",
  "lalrpop",
  "lalrpop-util",
  "lazy_static",
@@ -2118,9 +2382,9 @@ dependencies = [
  "socket2 0.3.19",
  "tempfile",
  "thiserror",
- "tokio",
+ "tokio 1.17.0",
  "tokio-util",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2293,6 +2557,15 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb703cfe953bccee95685111adeedb76fabe4e97549a58d16f03ea7b9367bb32"
 
+[[package]]
+name = "smallvec"
+version = "0.6.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97fcaeba89edba30f044a10c6a3cc39df9c3f17d7cd829dd1446cab35f890e0"
+dependencies = [
+ "maybe-uninit",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.8.0"
@@ -2307,7 +2580,7 @@ checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2317,7 +2590,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
 dependencies = [
  "libc",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2332,7 +2605,37 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c01a0c15da1b0b0e1494112e7af814a678fec9bd157881b49beac661e9b6f32"
 dependencies = [
- "der",
+ "der 0.4.5",
+]
+
+[[package]]
+name = "ssh-agent"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b43cbac10685c313df69148165214d3b4769b6615209ca38e28f59774a65be3f"
+dependencies = [
+ "byteorder",
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "log",
+ "serde",
+ "tokio 0.1.22",
+ "tokio-uds",
+]
+
+[[package]]
+name = "ssh-key"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6387edc9cff6c3c6572fcdcfb632a52b61e09d418a75ffa42fcbb1d6751fa3c"
+dependencies = [
+ "base64ct",
+ "pem-rfc7468 0.5.1",
+ "rand_core 0.6.3",
+ "sec1",
+ "sha2 0.10.2",
+ "signature",
+ "zeroize",
 ]
 
 [[package]]
@@ -2349,7 +2652,7 @@ checksum = "213494b7a2b503146286049378ce02b482200519accc31872ee8be91fa820a08"
 dependencies = [
  "new_debug_unreachable",
  "once_cell",
- "parking_lot",
+ "parking_lot 0.12.0",
  "phf_shared",
  "precomputed-hash",
 ]
@@ -2434,9 +2737,9 @@ dependencies = [
  "cfg-if 1.0.0",
  "fastrand",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.2.13",
  "remove_dir_all",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2447,7 +2750,7 @@ checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
 dependencies = [
  "dirs-next",
  "rustversion",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2457,7 +2760,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e4129646ca0ed8f45d09b929036bafad5377103edd06e50bf574b353d2b08d9"
 dependencies = [
  "libc",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2505,7 +2808,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 dependencies = [
  "libc",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2550,6 +2853,30 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
+[[package]]
+name = "tokio"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a09c0b5bb588872ab2f09afa13ee6e9dac11e10a0ec9e8e3ba39a5a5d530af6"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "mio 0.6.23",
+ "num_cpus",
+ "tokio-codec",
+ "tokio-current-thread",
+ "tokio-executor",
+ "tokio-fs",
+ "tokio-io",
+ "tokio-reactor",
+ "tokio-sync",
+ "tokio-tcp",
+ "tokio-threadpool",
+ "tokio-timer",
+ "tokio-udp",
+ "tokio-uds",
+]
+
 [[package]]
 name = "tokio"
 version = "1.17.0"
@@ -2559,15 +2886,68 @@ dependencies = [
  "bytes 1.1.0",
  "libc",
  "memchr",
- "mio",
+ "mio 0.8.2",
  "num_cpus",
  "once_cell",
- "parking_lot",
+ "parking_lot 0.12.0",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2 0.4.4",
  "tokio-macros",
- "winapi",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "tokio-codec"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25b2998660ba0e70d18684de5d06b70b70a3a747469af9dea7618cc59e75976b"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "tokio-io",
+]
+
+[[package]]
+name = "tokio-current-thread"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1de0e32a83f131e002238d7ccde18211c0a5397f60cbfffcb112868c2e0e20e"
+dependencies = [
+ "futures 0.1.31",
+ "tokio-executor",
+]
+
+[[package]]
+name = "tokio-executor"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
+dependencies = [
+ "crossbeam-utils",
+ "futures 0.1.31",
+]
+
+[[package]]
+name = "tokio-fs"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "297a1206e0ca6302a0eed35b700d292b275256f596e2f3fea7729d5e629b6ff4"
+dependencies = [
+ "futures 0.1.31",
+ "tokio-io",
+ "tokio-threadpool",
+]
+
+[[package]]
+name = "tokio-io"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "log",
 ]
 
 [[package]]
@@ -2581,6 +2961,111 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tokio-reactor"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
+dependencies = [
+ "crossbeam-utils",
+ "futures 0.1.31",
+ "lazy_static",
+ "log",
+ "mio 0.6.23",
+ "num_cpus",
+ "parking_lot 0.9.0",
+ "slab",
+ "tokio-executor",
+ "tokio-io",
+ "tokio-sync",
+]
+
+[[package]]
+name = "tokio-sync"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edfe50152bc8164fcc456dab7891fa9bf8beaf01c5ee7e1dd43a397c3cf87dee"
+dependencies = [
+ "fnv",
+ "futures 0.1.31",
+]
+
+[[package]]
+name = "tokio-tcp"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98df18ed66e3b72e742f185882a9e201892407957e45fbff8da17ae7a7c51f72"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "iovec",
+ "mio 0.6.23",
+ "tokio-io",
+ "tokio-reactor",
+]
+
+[[package]]
+name = "tokio-threadpool"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df720b6581784c118f0eb4310796b12b1d242a7eb95f716a8367855325c25f89"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-queue",
+ "crossbeam-utils",
+ "futures 0.1.31",
+ "lazy_static",
+ "log",
+ "num_cpus",
+ "slab",
+ "tokio-executor",
+]
+
+[[package]]
+name = "tokio-timer"
+version = "0.2.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
+dependencies = [
+ "crossbeam-utils",
+ "futures 0.1.31",
+ "slab",
+ "tokio-executor",
+]
+
+[[package]]
+name = "tokio-udp"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2a0b10e610b39c38b031a2fcab08e4b82f16ece36504988dcbd81dbba650d82"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "log",
+ "mio 0.6.23",
+ "tokio-codec",
+ "tokio-io",
+ "tokio-reactor",
+]
+
+[[package]]
+name = "tokio-uds"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab57a4ac4111c8c9dbcf70779f6fc8bc35ae4b2454809febac840ad19bd7e4e0"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "iovec",
+ "libc",
+ "log",
+ "mio 0.6.23",
+ "mio-uds",
+ "tokio-codec",
+ "tokio-io",
+ "tokio-reactor",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.6.9"
@@ -2593,7 +3078,7 @@ dependencies = [
  "futures-sink",
  "log",
  "pin-project-lite",
- "tokio",
+ "tokio 1.17.0",
 ]
 
 [[package]]
@@ -2767,6 +3252,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2777,6 +3268,12 @@ dependencies = [
  "winapi-x86_64-pc-windows-gnu",
 ]
 
+[[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
+
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
@@ -2789,7 +3286,7 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2841,6 +3338,16 @@ version = "0.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d19538ccc21819d01deaf88d6a17eae6596a12e9aafdbb97916fb49896d89de9"
 
+[[package]]
+name = "ws2_32-sys"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
+dependencies = [
+ "winapi 0.2.8",
+ "winapi-build",
+]
+
 [[package]]
 name = "wyz"
 version = "0.2.0"
diff --git a/Cargo.toml b/Cargo.toml
index 34000d2..cd7b1c8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,4 +30,6 @@ yubikey = "0.5"
 yubico_manager = "0.9"
 x509 = "0.2"
 x509-parser = "0.13"
+ssh-agent = { version = "0.2.3", features = ["agent"] }
+ssh-key = "0.4.0"
 #ctap-hid-fido2 = "2.1.3"
diff --git a/README.md b/README.md
index 412e0ac..e4965b2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # card-cli
 
-> A cli using https://github.com/mozilla/authenticator-rs
+> A OpenPGP/WebAuthn/YubiKey cli
 
 Install:
 ```
@@ -109,3 +109,8 @@ vjG+EPEF3g8ywKaS8mZQX+sCAwEAAQ==
 -----END PUBLIC KEY-----
 ```
 
+<br>
+
+Similar projects:
+* https://crates.io/crates/openpgp-card-tools
+
diff --git a/justfile b/justfile
index 6aa7bc7..d3ec81d 100644
--- a/justfile
+++ b/justfile
@@ -13,3 +13,7 @@ pgp-list:
 example-rsa-encrypt:
   cargo r --example rsa_encrypt
 
+# run example: ssh_agent
+example-ssh-agent:
+  cargo r --example ssh_agent
+