commit 5828f1f50c1c1724d9174549badf69fa75f20b0b
Author: Arne Keller <arne.keller@posteo.de>
Date:   Wed Jul 28 15:33:51 2021 +0200

    Initial commit

diff --git a/decodeVaccineQR.py b/decodeVaccineQR.py
new file mode 100644
index 0000000..b583e4c
--- /dev/null
+++ b/decodeVaccineQR.py
@@ -0,0 +1,43 @@
+from base45 import b45decode
+import zlib
+import cbor
+from datetime import datetime
+
+# scan your QR Code using e.g. zbar-tools (zbarimg)
+
+qr_decoded = b"HC1:DATA_OF_QR_CODE"
+step1 = b45decode(qr_decoded[4:])
+step2 = zlib.decompress(step1)
+step3 = cbor.loads(step2)
+step4 = step3.value
+step5 = step4[2]
+step6 = cbor.loads(step5)
+
+ISSUER_CLAIM = 1
+EXPIRATION_CLAIM = 4
+IAT_CLAIM = 6
+
+HCERT_CLAIM = -260
+EU_DGC_V1_CLAIM = 1
+
+print("Country:", step6[ISSUER_CLAIM])
+print("Issue date (UTC):", datetime.utcfromtimestamp(step6[IAT_CLAIM]).strftime('%Y-%m-%d %H:%M:%S'))
+print("Expiration date (UTC):", datetime.utcfromtimestamp(step6[EXPIRATION_CLAIM]).strftime('%Y-%m-%d %H:%M:%S'))
+
+step7 = step6[HCERT_CLAIM][EU_DGC_V1_CLAIM]
+
+print("Name:", step7["nam"])
+print("Date of birth:", step7["dob"])
+print("Schema version:", step7["ver"])
+print("Certificate info: ...")
+for step8 in step7["v"]:
+	print("Unique Certificate Identifier:", step8["ci"])
+	print("Country:", step8["co"])
+	print("Date of vaccination:", step8["dt"])
+	print("Dose number:", step8["dn"])
+	print("Doses required:", step8["sd"])
+	print("Targeted disease:", step8["tg"], "(expected value: COVID-19 = 840539006)")
+	print("Vaccine type:", step8["vp"], "(e.g. mRNA = 1119349007)")
+	print("Vaccine manufacturer:", step8["ma"], "(e.g. Biontech = ORG-100032015)")
+	print("Medical product ID:", step8["mp"], "(e.g. Comirnaty = EU/1/20/1528)")
+	print("Certificate issuer:", step8["is"])
\ No newline at end of file
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..4cdbccf
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,29 @@
+[[package]]
+name = "base45"
+version = "0.4.1"
+description = "Base45 Encoder/Decoder"
+category = "main"
+optional = false
+python-versions = ">=3.7,<4.0"
+
+[[package]]
+name = "cbor"
+version = "1.0.0"
+description = "RFC 7049 - Concise Binary Object Representation"
+category = "main"
+optional = false
+python-versions = "*"
+
+[metadata]
+lock-version = "1.1"
+python-versions = "^3.8"
+content-hash = "37666b70034bae04212d4c588e48e584f8e445517fd83d4dadb4a92caf927e33"
+
+[metadata.files]
+base45 = [
+    {file = "base45-0.4.1-py3-none-any.whl", hash = "sha256:ba5e93482c8954583e29643ef236af8fa804383d5961e5d2630d2ed6577111a0"},
+    {file = "base45-0.4.1.tar.gz", hash = "sha256:dd963b02f8933770851f7f430b952f1fb7d71e0d261df981b2d5486996ec52c1"},
+]
+cbor = [
+    {file = "cbor-1.0.0.tar.gz", hash = "sha256:13225a262ddf5615cbd9fd55a76a0d53069d18b07d2e9f19c39e6acb8609bbb6"},
+]
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..cc535e2
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,17 @@
+[tool.poetry]
+name = "decodecovidvaccinecertificate"
+version = "0.1.0"
+description = ""
+authors = ["Arne Keller <arne.keller@posteo.de>"]
+license = "GPL-3.0-or-later"
+
+[tool.poetry.dependencies]
+python = "^3.8"
+cbor = "^1.0.0"
+base45 = "^0.4.1"
+
+[tool.poetry.dev-dependencies]
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"