diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 87de06b..ab674bb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,4 +16,4 @@ jobs:
       - run: shellcheck usr/lib/cryptographic_id/* usr/bin/*
              usr/lib/initcpio/install/cryptographic-id
              usr/lib/dracut/modules.d/90cryptographic-id/module-setup.sh
-      - run: dbus-run-session bash tests/run_test.sh
+      - run: dbus-run-session bash tests/run_test.sh -- --include-ignored
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 38fd62e..450eb82 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ test:
     - shellcheck usr/lib/cryptographic_id/* usr/bin/*
       usr/lib/initcpio/install/cryptographic-id
       usr/lib/dracut/modules.d/90cryptographic-id/module-setup.sh
-    - dbus-run-session bash tests/run_test.sh
+    - dbus-run-session bash tests/run_test.sh -- --include-ignored
 
 codespell:
   image: ubuntu
diff --git a/Cargo.lock b/Cargo.lock
index 80c4903..e67eb0c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,18 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "ab_glyph_rasterizer"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c71b1793ee61086797f5c80b6efa2b8ffa6d5dd703f118545808a7f2e27f7046"
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -11,12 +23,36 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
+[[package]]
+name = "approx"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab112f0a86d568ea0e627cc1d6be74a1e9cd55214684db5561995f6dad897c6"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "asn1-rs"
 version = "0.5.2"
@@ -79,6 +115,50 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
+[[package]]
+name = "bindgen"
+version = "0.65.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfdf7b466f9a4903edc73f95d6d2bcd5baf8ae620638762244d3f60143643cc5"
+dependencies = [
+ "bitflags 1.3.2",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "log",
+ "peeking_take_while",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 2.0.39",
+ "which",
+]
+
+[[package]]
+name = "bit-set"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0700ddab506f33b20a03b13996eccd309a48e5ff77d0d95926aa0210fb4e95f1"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
+
+[[package]]
+name = "bit_field"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
+
 [[package]]
 name = "bitfield"
 version = "0.13.2"
@@ -106,12 +186,48 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
+
+[[package]]
+name = "bytemuck"
+version = "1.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "374d28ec25809ee0e23827c2ab573d729e293f281dfe393500e7ad618baa61c6"
+
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
 
+[[package]]
+name = "cc"
+version = "1.0.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -124,12 +240,89 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17cc5e6b5ab06331c33589842070416baa137e8b0eb912b008cfd4a78ada7919"
 
+[[package]]
+name = "chrono"
+version = "0.4.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-targets",
+]
+
+[[package]]
+name = "chrono-tz"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e23185c0e21df6ed832a12e2bda87c7d1def6842881fb634a8511ced741b0d76"
+dependencies = [
+ "chrono",
+ "chrono-tz-build",
+ "phf",
+]
+
+[[package]]
+name = "chrono-tz-build"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "433e39f13c9a060046954e0592a8d0a4bcb1040125cbf91cb8ee58964cfb350f"
+dependencies = [
+ "parse-zoneinfo",
+ "phf",
+ "phf_codegen",
+]
+
+[[package]]
+name = "clang-sys"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c688fc74432808e3eb684cae8830a86be1d66a2bd58e1f248ed0960a590baf6f"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
+[[package]]
+name = "codepage-437"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e40c1169585d8d08e5675a39f2fc056cd19a258fc4cba5e3bbf4a9c1026de535"
+dependencies = [
+ "csv",
+]
+
+[[package]]
+name = "color_quant"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+
 [[package]]
 name = "const-oid"
 version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28c122c3980598d243d63d9a704629a2d748d101f278052ff068be5a4423ab6f"
 
+[[package]]
+name = "conv"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ff10625fd0ac447827aa30ea8b861fead473bb60aeb73af6c1c58caf0d1299"
+dependencies = [
+ "custom_derive",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.11"
@@ -139,6 +332,53 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc32fast"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fca89a0e215bab21874660c67903c5f143333cab1da83d041c7ded6053774751"
+dependencies = [
+ "cfg-if",
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d2fe95351b870527a5d09bf563ed3c97c0cffb87cf1c78a591bf48bb218d9aa"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "crossbeam-utils",
+ "memoffset",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c06d96137f14f244c37f989d9fff8f95e6c18b918e71f36638f8c49112e4c78f"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
 [[package]]
 name = "crypto-bigint"
 version = "0.5.5"
@@ -146,7 +386,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
 dependencies = [
  "generic-array",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
  "zeroize",
 ]
@@ -168,16 +408,39 @@ dependencies = [
  "asn1-rs",
  "base64",
  "ed25519-dalek",
+ "nix",
  "p256",
  "prost",
  "prost-build",
  "qrcode",
- "rand",
+ "qrcode_scanner",
+ "rand 0.8.5",
  "sha2",
  "tempfile",
  "tss-esapi",
 ]
 
+[[package]]
+name = "csv"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac574ff4d437a7b5ad237ef331c17ccca63c46479e5b5453eb8e10bb99a759fe"
+dependencies = [
+ "csv-core",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "csv-core"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5efa2b3d7902f4b634a20cae3c9c4e6209dc4779feb6863329607560143efa70"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "curve25519-dalek"
 version = "4.1.1"
@@ -206,6 +469,12 @@ dependencies = [
  "syn 2.0.39",
 ]
 
+[[package]]
+name = "custom_derive"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef8ae57c4978a2acd8b869ce6b9ca1dfe817bff704c220209fdef2c0b75a01b9"
+
 [[package]]
 name = "der"
 version = "0.7.8"
@@ -272,7 +541,7 @@ checksum = "1f628eaec48bfd21b865dc2950cfa014450c01d2fa2b69a86c2fd5844ec523c0"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand_core",
+ "rand_core 0.6.4",
  "serde",
  "sha2",
  "subtle",
@@ -299,12 +568,76 @@ dependencies = [
  "group",
  "pem-rfc7468",
  "pkcs8",
- "rand_core",
+ "rand_core 0.6.4",
  "sec1",
  "subtle",
  "zeroize",
 ]
 
+[[package]]
+name = "encoding"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
+dependencies = [
+ "encoding-index-japanese",
+ "encoding-index-korean",
+ "encoding-index-simpchinese",
+ "encoding-index-singlebyte",
+ "encoding-index-tradchinese",
+]
+
+[[package]]
+name = "encoding-index-japanese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04e8b2ff42e9a05335dbf8b5c6f7567e5591d0d916ccef4e0b1710d32a0d0c91"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-korean"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dc33fb8e6bcba213fe2f14275f0963fd16f0a02c878e3095ecfdf5bee529d81"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-simpchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d87a7194909b9118fc707194baa434a4e3b0fb6a5a757c73c3adb07aa25031f7"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-singlebyte"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3351d5acffb224af9ca265f435b859c7c01537c0849754d3db3fdf2bfe2ae84a"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-tradchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd0e20d5688ce3cab59eb3ef3a2083a5c77bf496cb798dc6fcdb75f323890c18"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding_index_tests"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
+
 [[package]]
 name = "enumflags2"
 version = "0.7.8"
@@ -341,22 +674,76 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "exr"
+version = "1.71.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "832a761f35ab3e6664babfbdc6cef35a4860e816ec3916dcfd0882954e98a8a8"
+dependencies = [
+ "bit_field",
+ "flume",
+ "half",
+ "lebe",
+ "miniz_oxide",
+ "rayon-core",
+ "smallvec",
+ "zune-inflate",
+]
+
+[[package]]
+name = "fancy-regex"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b95f7c0680e4142284cf8b22c14a476e87d61b004a3a0861872b32ef7ead40a2"
+dependencies = [
+ "bit-set",
+ "regex",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
 
+[[package]]
+name = "fdeflate"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64d6dafc854908ff5da46ff3f8f473c6984119a2876a383a860246dd7841a868"
+dependencies = [
+ "simd-adler32",
+]
+
 [[package]]
 name = "ff"
 version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
+[[package]]
+name = "ffimage"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed0a72fa07ae1c1c2d50f9caeb30890b23596b73d1c2f6cd229a2ae658a15d36"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "ffimage_yuv"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2cf7ab943a8157f1f133a07ae728d5844b30d982e43f24c1098d6dc6cf38efb3"
+dependencies = [
+ "ffimage",
+ "num-traits",
+]
+
 [[package]]
 name = "fiat-crypto"
 version = "0.2.5"
@@ -369,6 +756,31 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
+[[package]]
+name = "flate2"
+version = "1.0.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46303f565772937ffe1d394a4fac6f411c6013172fadde9dcdb1e147a086940e"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
+name = "flume"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55ac459de2512911e4b674ce33cf20befaba382d05b62b008afc1c8b57cbf181"
+dependencies = [
+ "spin",
+]
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -380,6 +792,17 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi 0.9.0+wasi-snapshot-preview1",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.11"
@@ -388,9 +811,25 @@ checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "gif"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80792593675e051cf94a4b111980da2ba60d4a83e43e0048c5693baab3977045"
+dependencies = [
+ "color_quant",
+ "weezl",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.1"
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+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "group"
 version = "0.13.0"
@@ -398,10 +837,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
+[[package]]
+name = "half"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02b4af3693f1b705df946e9fe5631932443781d0aabb423b62fcd4d73f6d2fd0"
+dependencies = [
+ "crunchy",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.2"
@@ -438,6 +886,66 @@ version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f558a64ac9af88b5ba400d99b579451af0d39c6d360980045b91aac966d705e2"
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8326b86b6cff230b97d0d312a6c40a60726df3332e721f72a1b035f451663b20"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "image"
+version = "0.24.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f3dfdbdd72063086ff443e297b61695500514b1e41095b6fb9a5ab48a70a711"
+dependencies = [
+ "bytemuck",
+ "byteorder",
+ "color_quant",
+ "exr",
+ "gif",
+ "jpeg-decoder",
+ "num-rational",
+ "num-traits",
+ "png",
+ "qoi",
+ "tiff",
+]
+
+[[package]]
+name = "imageproc"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aee993351d466301a29655d628bfc6f5a35a0d062b6160ca0808f425805fd7"
+dependencies = [
+ "approx",
+ "conv",
+ "image",
+ "itertools 0.10.5",
+ "nalgebra",
+ "num",
+ "rand 0.7.3",
+ "rand_distr",
+ "rayon",
+ "rusttype",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.1.0"
@@ -448,6 +956,15 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itertools"
 version = "0.11.0"
@@ -457,24 +974,96 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
+
+[[package]]
+name = "jpeg-decoder"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc0000e42512c92e31c2252315bda326620a4e034105e900c98ec492fa077b3e"
+dependencies = [
+ "rayon",
+]
+
+[[package]]
+name = "js-sys"
+version = "0.3.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cee9c64da59eae3b50095c18d3e74f8b73c0b86d2792824ff01bbce68ba229ca"
+dependencies = [
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "lazycell"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+
+[[package]]
+name = "lebe"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
+
 [[package]]
 name = "libc"
 version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
+[[package]]
+name = "libloading"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f"
+dependencies = [
+ "cfg-if",
+ "winapi",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "969488b55f8ac402214f3f5fd243ebb7206cf82de60d3172994707a4bcc2b829"
 
+[[package]]
+name = "lock_api"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c168f8615b12bc01f9c17e2eb0cc07dcae1940121185446edc3744920e8ef45"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
+[[package]]
+name = "matrixmultiply"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7574c1cf36da4798ab73da5b215bbf444f50718207754cb522201d78d1cd0ff2"
+dependencies = [
+ "autocfg",
+ "rawpointer",
+]
+
 [[package]]
 name = "mbox"
 version = "0.6.0"
@@ -492,18 +1081,72 @@ version = "2.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
 
+[[package]]
+name = "memoffset"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
+dependencies = [
+ "adler",
+ "simd-adler32",
+]
+
 [[package]]
 name = "multimap"
 version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
 
+[[package]]
+name = "multimap"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1a5d38b9b352dbd913288736af36af41c48d61b1a8cd34bcecd727561b7d511"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "nalgebra"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fb2d0de08694bed883320212c18ee3008576bfe8c306f4c3c4a58b4876998be"
+dependencies = [
+ "approx",
+ "matrixmultiply",
+ "num-complex",
+ "num-rational",
+ "num-traits",
+ "simba",
+ "typenum",
+]
+
+[[package]]
+name = "nix"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
+dependencies = [
+ "bitflags 2.4.1",
+ "cfg-if",
+ "libc",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -514,6 +1157,40 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "num"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b05180d69e3da0e530ba2a1dae5110317e49e3b7f3d41be227dc5f92e49ee7af"
+dependencies = [
+ "num-bigint",
+ "num-complex",
+ "num-integer",
+ "num-iter",
+ "num-rational",
+ "num-traits",
+]
+
+[[package]]
+name = "num-bigint"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ba157ca0885411de85d6ca030ba7e2a83a28636056c7c699b07c8b6f7383214"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "num-derive"
 version = "0.3.3"
@@ -525,6 +1202,39 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-iter"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d03e6c028c5dc5cac6e2dec0efda81fc887605bb3d884578bb6d6bf7514e252"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
+dependencies = [
+ "autocfg",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.17"
@@ -549,6 +1259,15 @@ version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
+[[package]]
+name = "owned_ttf_parser"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05e6affeb1632d6ff6a23d2cd40ffed138e82f1532571a26f527c8a284bb2fbb"
+dependencies = [
+ "ttf-parser",
+]
+
 [[package]]
 name = "p256"
 version = "0.13.2"
@@ -561,6 +1280,27 @@ dependencies = [
  "sha2",
 ]
 
+[[package]]
+name = "parse-zoneinfo"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c705f256449c60da65e11ff6626e0c16a0a0b96aaa348de61376b249bc340f41"
+dependencies = [
+ "regex",
+]
+
+[[package]]
+name = "paste"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
+
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -591,6 +1331,44 @@ dependencies = [
  "indexmap",
 ]
 
+[[package]]
+name = "phf"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ade2d8b8f33c7333b51bcf0428d37e217e9f32192ae4772156f65063b8ce03dc"
+dependencies = [
+ "phf_shared",
+]
+
+[[package]]
+name = "phf_codegen"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8d39688d359e6b34654d328e262234662d16cc0f60ec8dcbe5e718709342a5a"
+dependencies = [
+ "phf_generator",
+ "phf_shared",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48e4cc64c2ad9ebe670cb8fd69dd50ae301650392e81c05f9bfcb2d5bdbc24b0"
+dependencies = [
+ "phf_shared",
+ "rand 0.8.5",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90fcb95eef784c2ac79119d1dd819e162b5da872ce6f3c3abe1e8ca1c082f72b"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "picky-asn1"
 version = "0.8.0"
@@ -648,6 +1426,19 @@ version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14e6ab3f592e6fb464fc9712d8d6e6912de6473954635fd76a589d832cffcbb0"
 
+[[package]]
+name = "png"
+version = "0.17.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd75bf2d8dd3702b9707cdbc56a5b9ef42cec752eb8b3bafc01234558442aa64"
+dependencies = [
+ "bitflags 1.3.2",
+ "crc32fast",
+ "fdeflate",
+ "flate2",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -700,9 +1491,9 @@ checksum = "1fa3d084c8704911bfefb2771be2f9b6c5c0da7343a71e0021ee3c665cada738"
 dependencies = [
  "bytes",
  "heck",
- "itertools",
+ "itertools 0.11.0",
  "log",
- "multimap",
+ "multimap 0.8.3",
  "once_cell",
  "petgraph",
  "prettyplease",
@@ -721,7 +1512,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "065717a5dfaca4a83d2fe57db3487b311365200000551d7a364e715dbf4346bc"
 dependencies = [
  "anyhow",
- "itertools",
+ "itertools 0.11.0",
  "proc-macro2",
  "quote",
  "syn 2.0.39",
@@ -736,6 +1527,15 @@ dependencies = [
  "prost",
 ]
 
+[[package]]
+name = "qoi"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f6d64c71eb498fe9eae14ce4ec935c555749aef511cca85b5568910d6e48001"
+dependencies = [
+ "bytemuck",
+]
+
 [[package]]
 name = "qrcode"
 version = "0.12.0"
@@ -745,6 +1545,20 @@ dependencies = [
  "checked_int_cast",
 ]
 
+[[package]]
+name = "qrcode_scanner"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38025598469028aa0e4fb862878e44bfbbea6a2d5dc4cf1b494793665372f25a"
+dependencies = [
+ "ffimage",
+ "ffimage_yuv",
+ "image",
+ "log",
+ "rxing",
+ "v4l",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.33"
@@ -754,6 +1568,19 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
+dependencies = [
+ "getrandom 0.1.16",
+ "libc",
+ "rand_chacha 0.2.2",
+ "rand_core 0.5.1",
+ "rand_hc",
+]
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -761,8 +1588,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha",
- "rand_core",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.5.1",
 ]
 
 [[package]]
@@ -772,7 +1609,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+dependencies = [
+ "getrandom 0.1.16",
 ]
 
 [[package]]
@@ -781,7 +1627,51 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.11",
+]
+
+[[package]]
+name = "rand_distr"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96977acbdd3a6576fb1d27391900035bf3863d4a16422973a409b488cf29ffb2"
+dependencies = [
+ "rand 0.7.3",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+dependencies = [
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rawpointer"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60a357793950651c4ed0f3f52338f53b2f809f32d83a07f72909fa13e4c6c1e3"
+
+[[package]]
+name = "rayon"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c27db03db7734835b3f53954b534c91069375ce6ccaa2e065441e07d9b6cdb1"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ce3fb6ad83f861aac485e76e1985cd109d9a3713802152be56c3b1f0e0658ed"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-utils",
 ]
 
 [[package]]
@@ -832,6 +1722,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustc_version"
 version = "0.3.3"
@@ -872,6 +1768,71 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "rusttype"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ff8374aa04134254b7995b63ad3dc41c7f7236f69528b28553da7d72efaa967"
+dependencies = [
+ "ab_glyph_rasterizer",
+ "owned_ttf_parser",
+]
+
+[[package]]
+name = "rxing"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2053f6ad096825a54510c3002a9077ae6604dd95361cbf08ed21f18fd6e33a04"
+dependencies = [
+ "chrono",
+ "chrono-tz",
+ "codepage-437",
+ "encoding",
+ "fancy-regex",
+ "image",
+ "imageproc",
+ "multimap 0.9.1",
+ "num",
+ "once_cell",
+ "regex",
+ "rxing-one-d-proc-derive",
+ "thiserror",
+ "unicode-segmentation",
+ "uriparse",
+ "urlencoding",
+]
+
+[[package]]
+name = "rxing-one-d-proc-derive"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "110aacbea4a739b897ea5eb9ee6b14309ebc62bf5059138f9fd80d52a29ed11f"
+dependencies = [
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
+
+[[package]]
+name = "safe_arch"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f398075ce1e6a179b46f51bd88d0598b92b00d3551f1a2d4ac49e771b56ac354"
+dependencies = [
+ "bytemuck",
+]
+
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
 [[package]]
 name = "sec1"
 version = "0.7.3"
@@ -950,6 +1911,12 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7cee0529a6d40f580e7a5e6c495c8fbfe21b7b52795ed4bb5e62cdf92bc6380"
+
 [[package]]
 name = "signature"
 version = "2.2.0"
@@ -957,7 +1924,47 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
  "digest",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "simba"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f3fd720c48c53cace224ae62bef1bbff363a70c68c4802a78b5cc6159618176"
+dependencies = [
+ "approx",
+ "num-complex",
+ "num-traits",
+ "paste",
+ "wide",
+]
+
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
+[[package]]
+name = "siphasher"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
+
+[[package]]
+name = "smallvec"
+version = "1.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
+
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+dependencies = [
+ "lock_api",
 ]
 
 [[package]]
@@ -1055,6 +2062,17 @@ dependencies = [
  "syn 2.0.39",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d172b0f4d3fba17ba89811858b9d3d97f928aece846475bbda076ca46736211"
+dependencies = [
+ "flate2",
+ "jpeg-decoder",
+ "weezl",
+]
+
 [[package]]
 name = "tss-esapi"
 version = "7.1.0"
@@ -1087,6 +2105,12 @@ dependencies = [
  "target-lexicon",
 ]
 
+[[package]]
+name = "ttf-parser"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b3e06c9b9d80ed6b745c7159c40b311ad2916abb34a49e9be2653b90db0d8dd"
+
 [[package]]
 name = "typenum"
 version = "1.17.0"
@@ -1105,24 +2129,132 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "uriparse"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0200d0fc04d809396c2ad43f3c95da3582a2556eba8d453c1087f4120ee352ff"
+dependencies = [
+ "fnv",
+ "lazy_static",
+]
+
+[[package]]
+name = "urlencoding"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
+
+[[package]]
+name = "v4l"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8fbfea44a46799d62c55323f3c55d06df722fbe577851d848d328a1041c3403"
+dependencies = [
+ "bitflags 1.3.2",
+ "libc",
+ "v4l2-sys-mit",
+]
+
+[[package]]
+name = "v4l2-sys-mit"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6779878362b9bacadc7893eac76abe69612e8837ef746573c4a5239daf11990b"
+dependencies = [
+ "bindgen",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ed0d4f68a3015cc185aff4db9506a015f4b96f95303897bfa23f846db54064e"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b56f625e64f3a1084ded111c4d5f477df9f8c92df113852fa5a374dbda78826"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0162dbf37223cd2afce98f3d0785506dcb8d266223983e4b5b525859e6e182b2"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0eb82fcb7930ae6219a7ecfd55b217f5f0893484b7a13022ebb2b2bf20b5283"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ab9b36309365056cd639da3134bf87fa8f3d86008abf99e612384a6eecd459f"
+
+[[package]]
+name = "weezl"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"
+
 [[package]]
 name = "which"
 version = "4.4.2"
@@ -1135,6 +2267,47 @@ dependencies = [
  "rustix",
 ]
 
+[[package]]
+name = "wide"
+version = "0.7.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c68938b57b33da363195412cfc5fc37c9ed49aa9cfe2156fde64b8d2c9498242"
+dependencies = [
+ "bytemuck",
+ "safe_arch",
+]
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-core"
+version = "0.51.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1f8cf84f35d2db49a46868f947758c7a1138116f7fac3bc844f43ade1292e64"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -1220,3 +2393,12 @@ dependencies = [
  "quote",
  "syn 2.0.39",
 ]
+
+[[package]]
+name = "zune-inflate"
+version = "0.2.54"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02"
+dependencies = [
+ "simd-adler32",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 930d8e6..9f0251a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,9 +8,11 @@ edition = "2021"
 asn1-rs = "0.5"
 base64 = "0.21"
 ed25519-dalek = { version = "2.0", features = ["rand_core"] }
+nix = { version = "0.27", features = ["signal"] }
 p256 = "0.13"
 prost = "0.12"
 qrcode = { version = "0.12", default-features = false }
+qrcode_scanner = "0.3"
 rand = "0.8"
 sha2 = "0.10"
 tss-esapi = { git = "https://github.com/parallaxsecond/rust-tss-esapi.git", rev = "21d426354a8f3cf40f3727388f9c74cd8828e0cd" }
diff --git a/Readme.md b/Readme.md
index 314ed98..a255b21 100644
--- a/Readme.md
+++ b/Readme.md
@@ -26,6 +26,14 @@ B3:0B:43:3D:7F:21:95:31
 86:59:43:68:54:D9:BA:C7
 ```
 
+
+TODO document measure (environment variables, config file, add config file to Makefile)
+what it does, how to enable, how it works
+
+Document apt-get install libtss2-dev dependency
+
+
+
 If you don't want to store the sensitive portion of the tpm2-object, you can only save a handle. Keep in mind, if another tool removes the handle from the tpm2, the private-key is lost.
 ```bash
 # cryptographic_id_add_initramfs tpm2 KEY_NAME2 --handle-only
diff --git a/src/actions.rs b/src/actions.rs
new file mode 100644
index 0000000..99adde2
--- /dev/null
+++ b/src/actions.rs
@@ -0,0 +1,46 @@
+use crate::scan;
+use crate::tpm2;
+use rand;
+use rand::Rng;
+use std::sync::atomic::AtomicBool;
+
+pub fn tpm2_scan_and_measure(
+	cam_path: String,
+	pcr_str: String,
+	stopper: &AtomicBool,
+) -> i32 {
+	let pcr = match tpm2::str_to_pcrhandle(&pcr_str) {
+		Ok(p) => p,
+		Err(e) => {
+			println!("Failed to parse pcr {}: {}", pcr_str, e);
+			return -3;
+		}
+	};
+	let mut camera = match scan::create_camera(cam_path) {
+		Ok(c) => c,
+		Err(e) => {
+			println!("{}", e);
+			return -1;
+		}
+	};
+	let mut context = match tpm2::create_context() {
+		Ok(c) => c,
+		Err(e) => {
+			println!("Failed to open tpm2: {}", e);
+			return -1;
+		}
+	};
+	match scan::scan_and_measure(
+		&mut camera,
+		&mut context,
+		pcr,
+		stopper,
+		|x| rand::thread_rng().gen_range(x),
+	) {
+		Ok(_) => return 0,
+		Err(e) => {
+			println!("Failed to scan and measure: {}", e);
+			return -4;
+		}
+	};
+}
diff --git a/src/main.rs b/src/main.rs
index 53461a9..0a8f547 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,22 +1,35 @@
 use std::env;
 use std::path::PathBuf;
+use std::sync::atomic::{AtomicBool, Ordering};
 
+use nix::libc;
+use nix::sys::signal;
+
+mod actions;
 mod conv;
 mod ed25519;
 mod error;
 mod fs;
 mod message;
 mod qrcode;
+mod scan;
 mod sign;
 mod time;
 mod tpm2;
 use message::cryptographic_id::PublicKeyType;
 mod prime256v1;
 
+static RECEIVED_SIGNAL: AtomicBool = AtomicBool::new(false);
+
+extern "C" fn handle_signal(_signal: libc::c_int) {
+	RECEIVED_SIGNAL.store(true, Ordering::Relaxed);
+}
+
 enum Action {
 	CreateKey(PathBuf),
 	ShowPublicKey(PathBuf),
 	SignWithKey(PathBuf, String),
+	TPM2ScanAndMeasure,
 }
 
 fn print_help() {
@@ -30,17 +43,28 @@ fn print_help() {
 		\tcreate          Create a private key\n\
 		\tsign            Sign own id with message\n\
 		\tshow            Show public key in hex format\n\
+		\tscan_and_measure\n\
+		\t                Scans a QR-code and measures it into a PCR\n\
+		\t                Environment variables:\n\
+		\t                EXTEND_PCR: PCR to use\n\
+		\t                VIDEO: camera to use (/dev/video0)\n\
 		",
 		exe = args[0]
 	);
 }
 
 fn parse_args(args: &Vec<String>) -> Result<Action, ()> {
-	if args.len() < 3 {
+	if args.len() < 2 {
 		return Err(());
 	}
-	let key_path = fs::to_path_buf(&args[2]);
 	let action = &args[1];
+	if args.len() == 2 {
+		if action == "scan_and_measure" {
+			return Ok(Action::TPM2ScanAndMeasure);
+		}
+		return Err(());
+	}
+	let key_path = fs::to_path_buf(&args[2]);
 	if args.len() == 3 {
 		if action == "create" {
 			return Ok(Action::CreateKey(key_path));
@@ -163,6 +187,40 @@ fn parse_args_and_execute(args: &Vec<String>) -> i32 {
 				}
 			};
 		}
+		Action::TPM2ScanAndMeasure => {
+			let handler =
+				signal::SigHandler::Handler(handle_signal);
+			match unsafe {
+				signal::signal(signal::Signal::SIGINT, handler)
+			} {
+				Ok(_) => {}
+				Err(e) => {
+					println!(
+						"Failed to setup signal \
+						handler: {}",
+						e
+					);
+					return 6;
+				}
+			};
+
+			let pcr_str = match env::var("EXTEND_PCR") {
+				Ok(s) => s,
+				Err(e) => {
+					println!("EXTEND_PCR not set: {}", e);
+					return 5;
+				}
+			};
+			let cam = match env::var("VIDEO") {
+				Ok(s) => s,
+				Err(_) => "/dev/video0".to_string(),
+			};
+			return actions::tpm2_scan_and_measure(
+				cam,
+				pcr_str,
+				&RECEIVED_SIGNAL,
+			);
+		}
 	};
 }
 
diff --git a/src/scan.rs b/src/scan.rs
new file mode 100644
index 0000000..0b3b36d
--- /dev/null
+++ b/src/scan.rs
@@ -0,0 +1,305 @@
+use crate::error::DynError;
+use crate::message;
+use crate::message::CryptographicId;
+use crate::time;
+use crate::tpm2;
+
+use std::{
+	io,
+	io::Write,
+	ops::Range,
+	sync::atomic::{AtomicBool, Ordering},
+};
+
+use qrcode_scanner::QRScanStream;
+
+const MESSAGE_VALID: u64 = time::ONE_MINUTE_IN_MILLIS;
+
+pub fn create_camera<'a>(path: String) -> Result<QRScanStream<'a>, DynError> {
+	return Ok(qrcode_scanner::QRScanStream::new(path)?);
+}
+
+pub fn scan_id(
+	qr_stream: &mut QRScanStream,
+	stopper: &AtomicBool,
+	mut gen_range: impl FnMut(Range<u64>) -> u64,
+	output: &mut impl Write,
+) -> Result<CryptographicId, DynError> {
+	let mut exp_msg = "".to_string();
+	let mut msg_timestamp = 0;
+	let mut print = |msg: String| {
+		output.write_all(msg.as_bytes())?;
+		return Ok::<(), io::Error>(());
+	};
+	loop {
+		if stopper.load(Ordering::Relaxed) {
+			return Err("Scan aborted".into());
+		}
+		let now = time::now()?;
+		if msg_timestamp + MESSAGE_VALID < now {
+			msg_timestamp = now;
+			let exp_num = gen_range(0..1000000);
+			exp_msg = format!("{:0>6}", exp_num);
+			print(format!("Send message: {}\n", exp_msg))?;
+		}
+		let results = match qr_stream.decode_next() {
+			Ok(r) => r,
+			Err(e) => {
+				print(format!(
+					"Failed to decode image: {}\n",
+					e
+				))?;
+				continue;
+			}
+		};
+		for res in results {
+			let msg = match message::from_base64(res) {
+				Ok(b) => b,
+				Err(e) => {
+					print(format!(
+						"Failed to decode: \
+							{:?}\n",
+						e
+					))?;
+					continue;
+				}
+			};
+			match message::verify_current_with_msg(&msg, &exp_msg) {
+				Ok(()) => (),
+				Err(s) => {
+					print(format!("{}\n", s))?;
+					continue;
+				}
+			};
+			return Ok(msg);
+		}
+	}
+}
+
+pub fn scan_and_measure<'a>(
+	qr_stream: &mut QRScanStream<'a>,
+	tpm2_ctx: &mut tpm2::Context,
+	pcr: tpm2::PcrHandle,
+	stopper: &AtomicBool,
+	mut gen_range: impl FnMut(Range<u64>) -> u64,
+) -> Result<(), DynError> {
+	let (hash, err) = match scan_id(
+		qr_stream,
+		stopper,
+		&mut gen_range,
+		&mut io::stdout(),
+	) {
+		Ok(msg) => match message::fingerprint(&msg) {
+			Ok(f) => (f, Ok(())),
+			// Error case should not happen, the signing key
+			// is correct, since the signature was checked
+			Err(e) => (vec![0xf0; 32], Err(e)),
+		},
+		Err(e) => {
+			println!("Failed to scan id: {}", e);
+			(vec![0xf0; 32], Err(e))
+		}
+	};
+	tpm2::pcr_extend(tpm2_ctx, pcr, hash)?;
+	// always meassure something in case of error
+	err?;
+	return Ok(());
+}
+
+#[cfg(test)]
+mod tests {
+	use crate::error::DynError;
+	use crate::fs;
+	use crate::message;
+	use crate::sign::SigningConfig;
+	use crate::time;
+	use crate::tpm2;
+	use qrcode_scanner::QRScanStream;
+	use std::collections::VecDeque;
+	use std::sync::atomic::{AtomicBool, Ordering};
+	use std::{thread, time::Duration};
+	use tss_esapi::structures::{Digest, PcrSlot};
+
+	fn load_test_key() -> Result<SigningConfig, DynError> {
+		let file = fs::to_path_buf("tests/files/scan/signing_key");
+		return Ok(SigningConfig::load(&file)?);
+	}
+
+	fn example_msg() -> message::CryptographicId {
+		let key_type = crate::PublicKeyType::Ed25519 as i32;
+		return message::CryptographicId {
+			public_key: vec![],
+			timestamp: 0,
+			msg: "Testmessage".as_bytes().to_vec(),
+			public_key_type: key_type,
+			signature: Vec::new(),
+			personal_information: Vec::new(),
+		};
+	}
+
+	#[test]
+	#[ignore]
+	fn scan_id() -> Result<(), DynError> {
+		let mut key = load_test_key()?;
+		let mut output: Vec<u8> = Vec::new();
+		let mut msg = example_msg();
+		let code1 = 444444;
+		let code2 = 123456;
+		let sleep = super::MESSAGE_VALID;
+		let after_sleep = time::now()? + sleep;
+
+		// correct code 2, when code 1
+		msg.msg = code2.to_string().as_bytes().to_vec();
+		msg.timestamp = after_sleep - 1;
+		message::sign(&mut msg, &mut key)?;
+		let res1 = message::to_base64(&msg)?;
+		// message in the past
+		msg.timestamp = after_sleep - super::MESSAGE_VALID - 1;
+		msg.msg = code2.to_string().as_bytes().to_vec();
+		message::sign(&mut msg, &mut key)?;
+		let res2 = message::to_base64(&msg)?;
+		// correct mesage
+		msg.timestamp = after_sleep - 1;
+		message::sign(&mut msg, &mut key)?;
+		let res3 = message::to_base64(&msg)?;
+
+		let data = VecDeque::from([
+			Ok(vec![res1.clone(), "broken qrcode".to_string()]),
+			Ok(vec![res1.clone(), res2.clone()]),
+			Ok(vec![res2.clone(), res3.clone()]),
+		]);
+		let mut scanner = QRScanStream::with_test_results(data)?;
+		let mut first_run = true;
+
+		let result = super::scan_id(
+			&mut scanner,
+			&super::AtomicBool::new(false),
+			|_| {
+				if first_run {
+					first_run = false;
+					thread::sleep(Duration::from_millis(
+						sleep + 1,
+					));
+					code1
+				} else {
+					code2
+				}
+			},
+			&mut output,
+		)?;
+		assert_eq!(result, msg);
+		assert_eq!(
+			std::str::from_utf8(&output)?,
+			"Send message: 444444\n\
+			Wrong message, please share 444444\n\
+			Failed to decode: Base64Error(InvalidLength)\n\
+			Send message: 123456\n"
+		);
+		return Ok(());
+	}
+
+	static SCAN_ID_TEST_BOOL: AtomicBool = AtomicBool::new(false);
+
+	#[test]
+	fn scan_id_stopper() -> Result<(), DynError> {
+		let mut output: Vec<u8> = Vec::new();
+		let msg = example_msg();
+		let res1 = message::to_base64(&msg)?;
+
+		let data = VecDeque::from([
+			Ok(vec![res1.clone()]),
+			Ok(vec![res1.clone()]),
+			Ok(vec![res1.clone()]),
+		]);
+		let mut scanner = QRScanStream::with_test_results(data)?;
+
+		let result = super::scan_id(
+			&mut scanner,
+			&SCAN_ID_TEST_BOOL,
+			|_| {
+				SCAN_ID_TEST_BOOL
+					.store(true, Ordering::Relaxed);
+				987654
+			},
+			&mut output,
+		);
+		assert!(matches!(
+			result,
+			Err(e) if format!("{}", e) == "Scan aborted"));
+		assert_eq!(
+			std::str::from_utf8(&output)?,
+			"Send message: 987654\n\
+			Wrong message, please share 987654\n"
+		);
+		return Ok(());
+	}
+
+	#[test]
+	fn scan_and_measure() -> Result<(), DynError> {
+		let mut key = load_test_key()?;
+		let mut msg = example_msg();
+		let code = 765432;
+		msg.msg = code.to_string().as_bytes().to_vec();
+		msg.timestamp = time::now()?;
+		message::sign(&mut msg, &mut key)?;
+		let res = message::to_base64(&msg)?;
+
+		let data = VecDeque::from([Ok(vec![res.clone()])]);
+		let mut scanner = QRScanStream::with_test_results(data)?;
+		let mut tpm2_ctx = tpm2::create_context()?;
+		super::scan_and_measure(
+			&mut scanner,
+			&mut tpm2_ctx,
+			super::tpm2::PcrHandle::Pcr8,
+			&AtomicBool::new(false),
+			|_| code,
+		)?;
+		let sha1 = Digest::try_from(vec![
+			211, 76, 155, 19, 129, 231, 47, 147, 60, 85, 161, 27,
+			224, 255, 120, 56, 136, 122, 161, 212,
+		])?;
+		let sha256 = Digest::try_from(vec![
+			69, 118, 210, 215, 174, 24, 252, 210, 145, 250, 146,
+			34, 123, 169, 90, 53, 251, 122, 191, 11, 29, 10, 50, 3,
+			3, 57, 167, 67, 255, 241, 250, 51,
+		])?;
+		tpm2::tests::assert_pcr_bank(
+			&mut tpm2_ctx,
+			PcrSlot::Slot8,
+			vec![sha1, sha256],
+		)?;
+		return Ok(());
+	}
+
+	#[test]
+	fn scan_and_measure_error() -> Result<(), DynError> {
+		let data = VecDeque::from([Ok(vec![])]);
+		let mut scanner = QRScanStream::with_test_results(data)?;
+		let mut tpm2_ctx = tpm2::create_context()?;
+		let result = super::scan_and_measure(
+			&mut scanner,
+			&mut tpm2_ctx,
+			super::tpm2::PcrHandle::Pcr9,
+			&AtomicBool::new(true),
+			|_| 555,
+		);
+		assert!(matches!(
+			result,
+			Err(e) if format!("{}", e) == "Scan aborted"));
+		let sha1 = Digest::try_from(vec![
+			55, 2, 26, 169, 90, 41, 122, 229, 93, 119, 203, 95,
+			120, 25, 36, 2, 150, 209, 87, 179,
+		])?;
+		let sha256 = Digest::try_from(vec![
+			69, 181, 67, 179, 102, 148, 197, 253, 15, 144, 223,
+			198, 7, 191, 146, 161, 115, 87, 16, 48, 7, 86, 67, 251,
+			31, 177, 224, 221, 19, 171, 117, 141,
+		])?;
+		tpm2::tests::assert_pcr_bank(
+			&mut tpm2_ctx,
+			PcrSlot::Slot9,
+			vec![sha1, sha256],
+		)?;
+		return Ok(());
+	}
+}
diff --git a/src/tpm2/common.rs b/src/tpm2/common.rs
index b06f58f..7db9b95 100644
--- a/src/tpm2/common.rs
+++ b/src/tpm2/common.rs
@@ -2,11 +2,9 @@ use crate::conv;
 use crate::error::DynError;
 use crate::prime256v1;
 use std::path::PathBuf;
-pub use tss_esapi::Error;
 use tss_esapi::{
 	attributes::ObjectAttributesBuilder,
 	constants::{CapabilityType, SessionType},
-	handles::PcrHandle,
 	interface_types::{
 		algorithm::{HashingAlgorithm, PublicAlgorithm, SymmetricMode},
 		ecc::EccCurve,
@@ -17,12 +15,13 @@ use tss_esapi::{
 	structures::{
 		CapabilityData, CreatePrimaryKeyResult, Digest, DigestValues,
 		EccPoint, EccScheme, KeyDerivationFunctionScheme, MaxBuffer,
-		PcrSelectionListBuilder, PcrSlot, Public, PublicBuilder,
+		PcrSelectionListBuilder, Public, PublicBuilder,
 		PublicEccParametersBuilder, SymmetricDefinition,
 		SymmetricDefinitionObject,
 	},
-	Context, TctiNameConf, WrapperErrorKind,
+	TctiNameConf, WrapperErrorKind,
 };
+pub use tss_esapi::{handles::PcrHandle, structures::PcrSlot, Context, Error};
 
 pub fn to_private_file(dir: &PathBuf) -> PathBuf {
 	let mut p = dir.clone();
@@ -233,7 +232,7 @@ pub fn pcr_extend(
 }
 
 #[cfg(test)]
-mod tests {
+pub mod tests {
 	use crate::error::DynError;
 	use crate::fs;
 	use crate::tpm2;
@@ -503,7 +502,7 @@ mod tests {
 		return Ok(());
 	}
 
-	fn assert_pcr_bank(
+	pub fn assert_pcr_bank(
 		context: &mut Context,
 		slot: PcrSlot,
 		exp_res: Vec<Digest>,
diff --git a/tests/files/scan/signing_key b/tests/files/scan/signing_key
new file mode 100644
index 0000000..2841892
--- /dev/null
+++ b/tests/files/scan/signing_key
@@ -0,0 +1 @@
+/®9Œ¶Ãï%·N	I#Å#&b“çÒz½áàòÃÉVµGœ"ögbë‚~ò	m°Vvß™Ù!!öRs
\ No newline at end of file