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https://gitlab.com/arnekeller/decodecovidvaccinecertificate.git
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43
decodeVaccineQR.py
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decodeVaccineQR.py
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from base45 import b45decode
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import zlib
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import cbor
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from datetime import datetime
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# scan your QR Code using e.g. zbar-tools (zbarimg)
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qr_decoded = b"HC1:DATA_OF_QR_CODE"
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step1 = b45decode(qr_decoded[4:])
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step2 = zlib.decompress(step1)
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step3 = cbor.loads(step2)
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step4 = step3.value
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step5 = step4[2]
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step6 = cbor.loads(step5)
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ISSUER_CLAIM = 1
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EXPIRATION_CLAIM = 4
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IAT_CLAIM = 6
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HCERT_CLAIM = -260
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EU_DGC_V1_CLAIM = 1
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print("Country:", step6[ISSUER_CLAIM])
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print("Issue date (UTC):", datetime.utcfromtimestamp(step6[IAT_CLAIM]).strftime('%Y-%m-%d %H:%M:%S'))
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print("Expiration date (UTC):", datetime.utcfromtimestamp(step6[EXPIRATION_CLAIM]).strftime('%Y-%m-%d %H:%M:%S'))
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step7 = step6[HCERT_CLAIM][EU_DGC_V1_CLAIM]
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print("Name:", step7["nam"])
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print("Date of birth:", step7["dob"])
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print("Schema version:", step7["ver"])
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print("Certificate info: ...")
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for step8 in step7["v"]:
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print("Unique Certificate Identifier:", step8["ci"])
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print("Country:", step8["co"])
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print("Date of vaccination:", step8["dt"])
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print("Dose number:", step8["dn"])
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print("Doses required:", step8["sd"])
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print("Targeted disease:", step8["tg"], "(expected value: COVID-19 = 840539006)")
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print("Vaccine type:", step8["vp"], "(e.g. mRNA = 1119349007)")
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print("Vaccine manufacturer:", step8["ma"], "(e.g. Biontech = ORG-100032015)")
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print("Medical product ID:", step8["mp"], "(e.g. Comirnaty = EU/1/20/1528)")
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print("Certificate issuer:", step8["is"])
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29
poetry.lock
generated
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poetry.lock
generated
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[[package]]
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name = "base45"
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version = "0.4.1"
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description = "Base45 Encoder/Decoder"
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category = "main"
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optional = false
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python-versions = ">=3.7,<4.0"
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[[package]]
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name = "cbor"
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version = "1.0.0"
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description = "RFC 7049 - Concise Binary Object Representation"
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category = "main"
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optional = false
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python-versions = "*"
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[metadata]
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lock-version = "1.1"
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python-versions = "^3.8"
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content-hash = "37666b70034bae04212d4c588e48e584f8e445517fd83d4dadb4a92caf927e33"
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[metadata.files]
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base45 = [
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{file = "base45-0.4.1-py3-none-any.whl", hash = "sha256:ba5e93482c8954583e29643ef236af8fa804383d5961e5d2630d2ed6577111a0"},
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{file = "base45-0.4.1.tar.gz", hash = "sha256:dd963b02f8933770851f7f430b952f1fb7d71e0d261df981b2d5486996ec52c1"},
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]
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cbor = [
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{file = "cbor-1.0.0.tar.gz", hash = "sha256:13225a262ddf5615cbd9fd55a76a0d53069d18b07d2e9f19c39e6acb8609bbb6"},
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]
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17
pyproject.toml
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pyproject.toml
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[tool.poetry]
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name = "decodecovidvaccinecertificate"
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version = "0.1.0"
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description = ""
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authors = ["Arne Keller <arne.keller@posteo.de>"]
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license = "GPL-3.0-or-later"
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[tool.poetry.dependencies]
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python = "^3.8"
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cbor = "^1.0.0"
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base45 = "^0.4.1"
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[tool.poetry.dev-dependencies]
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[build-system]
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requires = ["poetry-core>=1.0.0"]
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build-backend = "poetry.core.masonry.api"
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