arnekeller/decodecovidvaccinecertificate
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Arne Keller 2021-07-28 15:33:51 +02:00
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43
decodeVaccineQR.py Normal file
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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"])

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poetry.lock generated Normal file
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[[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"},
]

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pyproject.toml Normal file
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[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"