diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 74f7a96..ccc35ed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -84,5 +84,6 @@ jobs:
           profile: minimal
           toolchain: 1.46.0 # MSRV
           components: clippy
+          override: true
       - 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 99702d7..c99eb3e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -180,7 +180,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4cccf60bb98c0fca115a581f894aed0e43fa55bf289fdac5599bec440bb4fd6"
 dependencies = [
  "nom",
- "num-bigint 0.4.0",
+ "num-bigint",
  "num-traits",
  "syn",
 ]
@@ -193,7 +193,7 @@ checksum = "120842c2385dea19347e2f6e31caa5dced5ba8afdfacaac16c59465fdd1168f2"
 dependencies = [
  "der-oid-macro",
  "nom",
- "num-bigint 0.4.0",
+ "num-bigint",
  "num-traits",
  "rusticata-macros",
 ]
@@ -225,6 +225,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
 dependencies = [
  "elliptic-curve",
+ "hmac",
  "signature",
 ]
 
@@ -235,6 +236,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2db227e61a43a34915680bdda462ec0e212095518020a88a1f91acd16092c39"
 dependencies = [
  "bitvec 0.18.5",
+ "digest",
  "ff",
  "funty",
  "generic-array",
@@ -383,9 +385,9 @@ dependencies = [
 
 [[package]]
 name = "lexical-core"
-version = "0.7.5"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21f866863575d0e1d654fbeeabdc927292fdf862873dc3c96c6f753357e13374"
+checksum = "6607c62aa161d23d17a9072cc5da0be67cdfc89d3afb1e8d9c842bebc2525ffe"
 dependencies = [
  "arrayvec",
  "bitflags",
@@ -396,9 +398,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.91"
+version = "0.2.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8916b1f6ca17130ec6568feccee27c156ad12037880833a3b842a823236502e7"
+checksum = "18794a8ad5b29321f790b55d93dfba91e125cb1a9edbd4f8e3150acc771c1a5e"
 
 [[package]]
 name = "libm"
@@ -434,17 +436,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "num-bigint"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d0a3d5e207573f948a9e5376662aa743a2ea13f7c50a554d7af443a73fbfeba"
-dependencies = [
- "autocfg 1.0.1",
- "num-integer",
- "num-traits",
-]
-
 [[package]]
 name = "num-bigint"
 version = "0.4.0"
@@ -529,12 +520,13 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "p256"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ca0196a204bb3f33305ba4a48b38f6e6e621cba8603a4e0650e6532e0949de4"
+checksum = "8adcc06fe90ec8fb2d2ad46746d2cbd639b158d4240364aa832da7e263dbee91"
 dependencies = [
  "ecdsa",
  "elliptic-curve",
+ "sha2",
 ]
 
 [[package]]
@@ -608,9 +600,9 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.24"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+checksum = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec"
 dependencies = [
  "unicode-xid",
 ]
@@ -684,9 +676,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.4.5"
+version = "1.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "957056ecddbeba1b26965114e191d2e8589ce74db242b6ea25fc4062427a5c19"
+checksum = "2a26af418b574bd56588335b3a3659a65725d4e636eb1016c2f9e3b38c7cc759"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -802,17 +794,18 @@ version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
 dependencies = [
+ "digest",
  "rand_core 0.5.1",
 ]
 
 [[package]]
 name = "simple_asn1"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db8d597fce66eb0f19dd129b9956e4054cba21aeaf97d4116595027b670fac50"
+checksum = "6e0e9076e5242ff5a58e854cb478ea9caebce01088f86d3d9c6ad336b7655263"
 dependencies = [
  "chrono",
- "num-bigint 0.3.2",
+ "num-bigint",
  "num-traits",
  "thiserror",
 ]
@@ -852,9 +845,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.67"
+version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6498a9efc342871f91cc2d0d694c674368b4ceb40f62b65a7a08c3792935e702"
+checksum = "b9505f307c872bab8eb46f77ae357c8eba1fdacead58ee5a850116b1d7f82883"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1134,18 +1127,18 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.2.0"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
+checksum = "4756f7db3f7b5574938c3eb1c117038b8e07f95ee6718c0efad4ac21508f1efd"
 dependencies = [
  "zeroize_derive",
 ]
 
 [[package]]
 name = "zeroize_derive"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3f369ddb18862aba61aa49bf31e74d29f0f162dec753063200e1dc084345d16"
+checksum = "a2c1e130bebaeab2f23886bf9acbaca14b092408c452543c857f66399cd6dab1"
 dependencies = [
  "proc-macro2",
  "quote",