diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3bf43b2..897c70d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,13 +36,13 @@ jobs:
             toolchain: stable
             deps: true
           - platform: ubuntu-latest
-            toolchain: 1.44.0 # MSRV
+            toolchain: 1.46.0 # MSRV
             deps: sudo apt-get install libpcsclite-dev
           - platform: windows-latest
-            toolchain: 1.44.0 # MSRV
+            toolchain: 1.46.0 # MSRV
             deps: true
           - platform: macos-latest
-            toolchain: 1.44.0 # MSRV
+            toolchain: 1.46.0 # MSRV
             deps: true
     runs-on: ${{ matrix.platform }}
     steps:
@@ -82,7 +82,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.44.0 # MSRV
+          toolchain: 1.46.0 # MSRV
           components: clippy
       - run: sudo apt-get install libpcsclite-dev
       - run: cargo clippy --all --exclude crypto_box --all-features -- -D warnings
diff --git a/Cargo.lock b/Cargo.lock
index 8f33a3a..6409dc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,18 +2,18 @@
 # It is not intended for manual editing.
 [[package]]
 name = "aho-corasick"
-version = "0.7.14"
+version = "0.7.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b476ce7103678b0c6d3d395dbbae31d48ff910bd28be979ba5d48c6351131d0d"
+checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
 name = "arrayvec"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "atty"
@@ -38,12 +38,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
-[[package]]
-name = "base64"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
-
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -96,15 +90,15 @@ checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
 name = "byteorder"
-version = "1.3.4"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
+checksum = "ae44d1a3d5a19df61dd0c8beb138458ac2a53a7ac09eba97d55592540004306b"
 
 [[package]]
 name = "cc"
-version = "1.0.65"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95752358c8f7552394baf48cd82695b345628ad3f170d607de3ca03b8dacca15"
+checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
 
 [[package]]
 name = "cfg-if"
@@ -133,18 +127,18 @@ dependencies = [
 
 [[package]]
 name = "cipher"
-version = "0.2.1"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1f7954ae5588102b35257639b1c36a2e7425cc6540fcdb4de19dcb91055d659"
+checksum = "12f8e7987cbd042a63249497f41aed09f8e65add917ea6566effbc56578d6801"
 dependencies = [
  "generic-array",
 ]
 
 [[package]]
 name = "const-oid"
-version = "0.1.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2d9162b7289a46e86208d6af2c686ca5bfde445878c41a458a9fac706252d0b"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
 
 [[package]]
 name = "cookie-factory"
@@ -170,20 +164,17 @@ dependencies = [
 
 [[package]]
 name = "data-encoding"
-version = "2.3.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4d0e2d24e5ee3b23a01de38eefdcd978907890701f08ffffd4cb457ca4ee8d6"
+checksum = "993a608597367c6377b258c25d7120740f00ed23a2252b729b1932dd7866f908"
 
 [[package]]
-name = "der-oid-macro"
-version = "0.2.0"
+name = "der"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e66558629d772c3be040566b7be07be8c8f5aecee95e4a092dfe2efc313277ad"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
 dependencies = [
- "nom 5.1.2",
- "num-bigint 0.3.0",
- "num-traits",
- "proc-macro-hack",
+ "const-oid",
 ]
 
 [[package]]
@@ -192,38 +183,24 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd17d13ecf875e704369fdbde242483ac769fc18f6af21e43d5a692a079732fc"
 dependencies = [
- "nom 6.0.1",
- "num-bigint 0.3.0",
+ "nom",
+ "num-bigint 0.3.1",
  "num-traits",
  "proc-macro-hack",
 ]
 
-[[package]]
-name = "der-parser"
-version = "4.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caca07c50eaae94d43e21f4d14eca5543b6f5f5ce64715e9b7665ac5f5185b4e"
-dependencies = [
- "der-oid-macro 0.2.0",
- "nom 5.1.2",
- "num-bigint 0.3.0",
- "num-traits",
- "proc-macro-hack",
- "rusticata-macros 2.1.0",
-]
-
 [[package]]
 name = "der-parser"
 version = "5.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb4b1e27396f46037881c39d821660f2ff48797aaa7152a45ded7a93b368a819"
 dependencies = [
- "der-oid-macro 0.3.0",
- "nom 6.0.1",
- "num-bigint 0.3.0",
+ "der-oid-macro",
+ "nom",
+ "num-bigint 0.3.1",
  "num-traits",
  "proc-macro-hack",
- "rusticata-macros 3.0.1",
+ "rusticata-macros",
 ]
 
 [[package]]
@@ -248,24 +225,25 @@ dependencies = [
 
 [[package]]
 name = "elliptic-curve"
-version = "0.6.6"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "396db09c483e7fca5d4fdb9112685632b3e76c9a607a2649c1bf904404a01366"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
 dependencies = [
  "bitvec 0.18.4",
- "const-oid",
  "ff",
  "generic-array",
  "group",
+ "pkcs8",
  "rand_core",
  "subtle",
+ "zeroize",
 ]
 
 [[package]]
 name = "env_logger"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54532e3223c5af90a6a757c90b5c5521564b07e5e7a958681bcd2afad421cdcd"
+checksum = "f26ecb66b4bdca6c1409b40fb255eefc2bd4f6d135dab3c3124f80ffa2a9661e"
 dependencies = [
  "atty",
  "humantime",
@@ -287,9 +265,9 @@ dependencies = [
 
 [[package]]
 name = "funty"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ba62103ce691c2fd80fbae2213dfdda9ce60804973ac6b6e97de818ea7f52c8"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
 
 [[package]]
 name = "generic-array"
@@ -303,11 +281,11 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.1.15"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc587bc0ec293155d5bfa6b9891ec18a1e330c234f896ea47fbada4cadbe47e6"
+checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
  "wasi 0.9.0+wasi-snapshot-preview1",
 ]
@@ -370,9 +348,9 @@ checksum = "3c1ad908cc71012b7bea4d0c53ba96a8cba9962f048fa68d143376143d863b7a"
 
 [[package]]
 name = "js-sys"
-version = "0.3.45"
+version = "0.3.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca059e81d9486668f12d455a4ea6daa600bd408134cd17e3d3fb5a32d1f016f8"
+checksum = "cf3d7383929f7c9c7c2d0fa596f325832df98c3704f2c60553080f7127a58175"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -401,9 +379,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.79"
+version = "0.2.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2448f6066e80e3bfc792e9c98bf705b4b0fc6e8ef5b43e5889aff0eaa9c58743"
+checksum = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
 
 [[package]]
 name = "libm"
@@ -422,20 +400,9 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.3.3"
+version = "2.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
-
-[[package]]
-name = "nom"
-version = "5.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
-dependencies = [
- "lexical-core",
- "memchr",
- "version_check",
-]
+checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
 [[package]]
 name = "nom"
@@ -462,9 +429,9 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7f3fc75e3697059fb1bc465e3d8cca6cf92f56854f201158b3f9c77d5a3cfa0"
+checksum = "5e9a41747ae4633fce5adffb4d2e81ffc5e89593cb19917f8fb2cc5ff76507bf"
 dependencies = [
  "autocfg 1.0.1",
  "num-integer",
@@ -473,9 +440,9 @@ dependencies = [
 
 [[package]]
 name = "num-bigint-dig"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d03c330f9f7a2c19e3c0b42698e48141d0809c78cd9b6219f85bd7d7e892aa"
+checksum = "5d51546d704f52ef14b3c962b5776e53d5b862e5790e40a350d366c209bd7f7a"
 dependencies = [
  "autocfg 0.1.7",
  "byteorder",
@@ -502,9 +469,9 @@ dependencies = [
 
 [[package]]
 name = "num-iter"
-version = "0.1.41"
+version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e6b7c748f995c4c29c5f5ae0248536e04a5739927c74ec0fa564805094b9f"
+checksum = "b2021c8337a54d21aca0d59a92577a029af9431cb59b909b03252b9c164fad59"
 dependencies = [
  "autocfg 1.0.1",
  "num-integer",
@@ -526,7 +493,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2508c8f170e55be68508b1113956a760a82684f42022f8834fb16ca198621211"
 dependencies = [
- "der-parser 5.0.0",
+ "der-parser",
 ]
 
 [[package]]
@@ -543,18 +510,18 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "p256"
-version = "0.5.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "280ed58e7e5f3052b6e2f596fa40c7eff4c27c4b6b6deecb5d685ba5c2080980"
+checksum = "39f37a291d378ba3291c1fa4e925edb6729c8593d4c6064be79e4a4c12fa2d97"
 dependencies = [
  "elliptic-curve",
 ]
 
 [[package]]
 name = "p384"
-version = "0.4.1"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06de0548166c258c22bb6bdcff3074eac4b07125040aa74db3f61db87fe5f275"
+checksum = "ea33960aac2200d19a5c9ab06a11ebd48a37a23144496632c358182e6765d80b"
 dependencies = [
  "elliptic-curve",
 ]
@@ -565,7 +532,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3b8c0d71734018084da0c0354193a5edfb81b20d2d57a92c5b154aefc554a4a"
 dependencies = [
- "base64 0.13.0",
+ "base64",
  "crypto-mac",
  "hmac",
  "rand",
@@ -595,15 +562,24 @@ dependencies = [
 
 [[package]]
 name = "pem"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59698ea79df9bf77104aefd39cc3ec990cb9693fb59c3b0a70ddf2646fdffb4b"
+checksum = "f4c220d01f863d13d96ca82359d1e81e64a7c6bf0637bcde7b2349630addf0c6"
 dependencies = [
- "base64 0.12.3",
+ "base64",
  "once_cell",
  "regex",
 ]
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.19"
@@ -612,15 +588,15 @@ checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c36fa947111f5c62a733b652544dd0016a43ce89619538a8ef92724a6f501a20"
+checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.18"
+version = "0.5.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99c605b9a0adc77b7211c6b1f722dcb613d68d66859a44f3d485a6da332b0598"
+checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
 [[package]]
 name = "proc-macro2"
@@ -633,9 +609,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
 dependencies = [
  "proc-macro2",
 ]
@@ -695,9 +671,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.4.1"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8963b85b8ce3074fecffde43b4b0dded83ce2f367dc8d363afc56679f3ee820b"
+checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -707,15 +683,15 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.20"
+version = "0.6.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cab7a364d15cde1e505267766a2d3c4e22a843e1a601f0fa7564c0f82ced11c"
+checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
 
 [[package]]
 name = "ring"
-version = "0.16.18"
+version = "0.16.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70017ed5c555d79ee3538fc63ca09c70ad8f317dcadc1adc2c496b60c22bb24f"
+checksum = "024a1e66fea74c66c66624ee5622a7ff0e4b73a13b4f5c326ddb50c708944226"
 dependencies = [
  "cc",
  "libc",
@@ -748,34 +724,20 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "rusticata-macros"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8a9050636e8a1b487ba1fbe99114021cd7594dde3ce6ed95bfc1691e5b5367b"
-dependencies = [
- "nom 5.1.2",
-]
-
 [[package]]
 name = "rusticata-macros"
 version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7390af60e66c44130b4c5ea85f2555b7ace835d73b4b889c704dc3cb4c0468c8"
 dependencies = [
- "nom 6.0.1",
+ "nom",
 ]
 
 [[package]]
 name = "rustversion"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9bdc5e856e51e685846fb6c13a1f5e5432946c2c90501bdc76a1319f19e29da"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
+checksum = "cb5d2a036dc6d2d8fd16fde3498b04306e29bd193bf306a57427019b823d5acd"
 
 [[package]]
 name = "ryu"
@@ -794,9 +756,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.117"
+version = "1.0.118"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b88fa983de7720629c9387e9f517353ed404164b1e482c970a90c1a4aaf7dc1a"
+checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
 
 [[package]]
 name = "sha-1"
@@ -837,9 +799,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.4.2"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
+checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
 [[package]]
 name = "spin"
@@ -855,9 +817,9 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "subtle"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "343f3f510c2915908f155e94f17220b19ccfacf2a64a2a5d8004f2c3e311e7fd"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
 
 [[package]]
 name = "subtle-encoding"
@@ -870,9 +832,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.45"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea9c5432ff16d6152371f808fb5a871cd67368171b09bb21b43df8e4a47a3556"
+checksum = "cc60a3d73ea6594cd712d830cc1f0390fd71542d8c8cd24e70cc54cdfd5e05d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -908,18 +870,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.21"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "318234ffa22e0920fe9a40d7b8369b5f649d490980cf7aadcf1eb91594869b42"
+checksum = "76cc616c6abf8c8928e2fdcc0dbfab37175edd8fb49a4641066ad1364fdab146"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.21"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cae2447b6282786c3493999f40a9be2a6ad20cb8bd268b0a0dbf5a065535c0ab"
+checksum = "9be73a2caec27583d0046ef3796c3794f868a5bc813db689eed00c7631275cd1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -928,9 +890,9 @@ dependencies = [
 
 [[package]]
 name = "thread_local"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
+checksum = "bb9bc092d0d51e76b2b19d9d85534ffc9ec2db959a2523cdae0697e2972cd447"
 dependencies = [
  "lazy_static",
 ]
@@ -984,19 +946,19 @@ checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ac64ead5ea5f05873d7c12b545865ca2b8d28adfc50a49b84770a3a97265d42"
+checksum = "3cd364751395ca0f68cafb17666eee36b63077fb5ecd972bbcd74c90c4bf736e"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f22b422e2a757c35a73774860af8e112bff612ce6cb604224e8e47641a9e4f68"
+checksum = "1114f89ab1f4106e5b55e688b828c0ab0ea593a1ea7c094b141b14cbaaec2d62"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -1009,9 +971,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b13312a745c08c469f0b292dd2fcd6411dba5f7160f593da6ef69b64e407038"
+checksum = "7a6ac8995ead1f084a8dea1e65f194d0973800c7f571f6edd70adf06ecf77084"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1019,9 +981,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f249f06ef7ee334cc3b8ff031bfc11ec99d00f34d86da7498396dc1e3b1498fe"
+checksum = "b5a48c72f299d80557c7c62e37e7225369ecc0c963964059509fbafe917c7549"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1032,15 +994,15 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d649a3145108d7d3fbcde896a468d1bd636791823c9921135218ad89be08307"
+checksum = "7e7811dd7f9398f14cc76efd356f98f03aa30419dea46aa810d71e819fc97158"
 
 [[package]]
 name = "web-sys"
-version = "0.3.45"
+version = "0.3.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bf6ef87ad7ae8008e15a355ce696bed26012b7caa21605188cfd8214ab51e2d"
+checksum = "222b1ef9334f92a21d3fb53dc3fd80f30836959a90f9274a626d7e06315ba3c3"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -1093,41 +1055,22 @@ dependencies = [
  "cookie-factory",
 ]
 
-[[package]]
-name = "x509-parser"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76245c48460d72a3e17ad3a01855c3cae98601bb992091c1c1421c77d1cb27c"
-dependencies = [
- "base64 0.13.0",
- "chrono",
- "data-encoding",
- "der-oid-macro 0.2.0",
- "der-parser 4.1.0",
- "lazy_static",
- "nom 5.1.2",
- "num-bigint 0.3.0",
- "rusticata-macros 2.1.0",
- "rustversion",
- "thiserror",
-]
-
 [[package]]
 name = "x509-parser"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b22c80f083d860f8e77f44762e9df8c92de7defeb70219ec37f32968cab53e90"
 dependencies = [
- "base64 0.13.0",
+ "base64",
  "chrono",
  "data-encoding",
- "der-oid-macro 0.3.0",
- "der-parser 5.0.0",
+ "der-oid-macro",
+ "der-parser",
  "lazy_static",
- "nom 6.0.1",
- "num-bigint 0.3.0",
+ "nom",
+ "num-bigint 0.3.1",
  "oid-registry",
- "rusticata-macros 3.0.1",
+ "rusticata-macros",
  "rustversion",
  "thiserror",
 ]
@@ -1143,7 +1086,7 @@ dependencies = [
  "sha2",
  "subtle-encoding",
  "termcolor",
- "x509-parser 0.8.2",
+ "x509-parser",
  "yubikey-piv",
 ]
 
@@ -1153,7 +1096,7 @@ version = "0.1.0"
 dependencies = [
  "chrono",
  "cookie-factory",
- "der-parser 5.0.0",
+ "der-parser",
  "des",
  "elliptic-curve",
  "env_logger",
@@ -1161,7 +1104,7 @@ dependencies = [
  "hmac",
  "lazy_static",
  "log",
- "nom 6.0.1",
+ "nom",
  "num-bigint-dig",
  "num-integer",
  "num-traits",
@@ -1177,15 +1120,15 @@ dependencies = [
  "subtle",
  "subtle-encoding",
  "x509",
- "x509-parser 0.9.0",
+ "x509-parser",
  "zeroize",
 ]
 
 [[package]]
 name = "zeroize"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05f33972566adbd2d3588b0491eb94b98b43695c4ef897903470ede4f3f5a28a"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
 dependencies = [
  "zeroize_derive",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index cdb106e..d587bfc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ chrono = "0.4"
 cookie-factory = "0.3"
 der-parser = "5"
 des = "0.6"
-elliptic-curve = "0.6"
+elliptic-curve = "0.8"
 getrandom = "0.1"
 hmac = "0.10"
 log = "0.4"
@@ -35,8 +35,8 @@ num-bigint = { version = "0.6", features = ["rand"], package = "num-bigint-dig"
 num-traits = "0.2"
 num-integer = "0.1"
 pbkdf2 = "0.6"
-p256 = "0.5"
-p384 = "0.4"
+p256 = "0.7"
+p384 = "0.6"
 pcsc = "2"
 rsa = "0.3"
 secrecy = "0.7"
diff --git a/README.md b/README.md
index f62bd84..363eb2e 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ endorsed by Yubico.
 
 ## Minimum Supported Rust Version
 
-- Rust **1.44** or newer
+- Rust **1.46** or newer
 
 ## Supported YubiKeys
 
@@ -194,7 +194,7 @@ or conditions.
 [docs-link]: https://docs.rs/yubikey-piv/
 [license-image]: https://img.shields.io/badge/license-BSD-blue.svg
 [license-link]: https://github.com/iqlusioninc/yubikey-piv.rs/blob/develop/COPYING
-[rustc-image]: https://img.shields.io/badge/rustc-1.44+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.46+-blue.svg
 [maintenance-image]: https://img.shields.io/badge/maintenance-experimental-blue.svg
 [safety-image]: https://img.shields.io/badge/unsafe-forbidden-success.svg
 [safety-link]: https://github.com/rust-secure-code/safety-dance/
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 37ddbeb..01231b4 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -21,5 +21,5 @@ log = "0.4"
 sha2 = "0.9"
 subtle-encoding = "0.5"
 termcolor = "1"
-x509-parser = "0.8"
+x509-parser = "0.9"
 yubikey-piv = { version = "0.1", path = ".." }
diff --git a/cli/src/lib.rs b/cli/src/lib.rs
index 58f1d6d..9864388 100644
--- a/cli/src/lib.rs
+++ b/cli/src/lib.rs
@@ -19,7 +19,7 @@ use std::io::{self, Write};
 use std::str;
 use subtle_encoding::hex;
 use termcolor::{ColorSpec, StandardStreamLock, WriteColor};
-use x509_parser::parse_x509_der;
+use x509_parser::parse_x509_certificate;
 use yubikey_piv::{certificate::Certificate, key::*, YubiKey};
 
 ///Write information about certificate found in slot a la yubico-piv-tool output.
@@ -41,7 +41,7 @@ pub fn print_cert_info(
         let fingerprint = Sha256::digest(&buf);
         let slot_id: u8 = slot.into();
         print_cert_attr(stream, "Slot", format!("{:x}", slot_id))?;
-        match parse_x509_der(&buf) {
+        match parse_x509_certificate(&buf) {
             Ok((_rem, cert)) => {
                 print_cert_attr(
                     stream,