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from __future__ import annotations
import re
from dataclasses import dataclass
from functools import cached_property
from sec_certs.cert_rules import rules
def _parse_year(year: str | None) -> int | None:
if year is None:
return None
y = int(year)
if y < 50:
return y + 2000
elif y < 100:
return y + 1900
else:
return y
def FR(meta) -> str:
year = _parse_year(meta["year"])
counter = meta["counter"]
doc = meta.get("doc")
version = meta.get("version")
type = meta.get("type")
cert_id = "ANSSI-CC-"
if type:
cert_id += f"{type}-"
cert_id += f"{year}/{counter}"
if doc:
cert_id += f"-{doc}"
if version:
cert_id += f"v{version}"
return cert_id
def DE(meta) -> str:
s = meta.get("s")
counter = meta["counter"]
version = meta.get("version")
year = _parse_year(meta.get("year"))
doc = meta.get("doc")
cert_id = "BSI-DSZ-CC"
if s:
cert_id += f"-{s}"
cert_id += f"-{counter}"
if version:
cert_id += f"-{version.upper()}"
if year:
cert_id += f"-{year}"
if doc:
cert_id += f"-{doc}"
return cert_id
def US(meta) -> str:
counter = meta["counter"]
cc = meta.get("cc")
vid = meta.get("VID")
year = _parse_year(meta.get("year"))
cert_id = "CCEVS-VR"
if cc:
cert_id += f"-{cc}"
if vid:
cert_id += f"-{vid}"
cert_id += f"-{counter}"
if year:
cert_id += f"-{year}"
return cert_id
def MY(meta) -> str:
digit = meta["digit"]
counter = meta["counter"]
version = meta["version"]
return f"ISCB-{digit}-RPT-C{counter}-CR-{version.lower()}"
def ES(meta) -> str:
year = _parse_year(meta["year"])
project = meta["project"]
counter = meta["counter"]
# Version is intentionally cut here, as it seems to refer to an internal version of the report.
# version = groups["version"]
return f"{year}-{project}-INF-{counter}"
def IN(meta) -> str:
lab = meta["lab"]
vendor = meta["vendor"]
level = meta["level"]
number1, number2 = meta["number1"], meta["number2"]
return f"IC3S/{lab}/{vendor}/{level}/{number1}/{number2}"
def SE(meta) -> str:
year = _parse_year(meta["year"])
counter = int(meta["counter"])
return f"CSEC{year}{counter:03}"
def UK(meta) -> str:
counter = meta["counter"]
return f"CRP{counter}"
def CA(meta) -> str:
if "lab" in meta:
year = _parse_year(meta.get("year"))
number = meta["number"]
lab = meta["lab"]
cert_id = f"{number}-{lab}"
if year:
cert_id += f"-{year}"
return cert_id
else:
number1 = meta["number1"]
digit = meta["digit"]
number2 = meta["number2"]
return f"{number1}-{digit}-{number2}"
def JP(meta) -> str:
counter = meta["counter"]
digit = meta.get("digit")
year = _parse_year(meta.get("year"))
cert_id = f"JISEC-CC-CRP-C{counter}"
if digit:
cert_id += f"-{digit}"
if year:
cert_id += f"-{year}"
return cert_id
def KR(meta) -> str:
word = meta["word"]
counter = int(meta["counter"])
year = _parse_year(meta["year"])
return f"KECS-{word}-{counter:04}-{year}"
def TR(meta) -> str:
prefix = meta["prefix"]
number = meta["number"]
return f"{prefix}/TSE-CCCS-{number}"
def NO(meta) -> str:
counter = int(meta["counter"])
return f"SERTIT-{counter:03}"
def NL(meta) -> str:
core = meta["core"]
doc = meta.get("doc")
if doc is None:
doc = "CR"
return f"NSCIB-CC-{core}-{doc}"
def AU(meta) -> str:
counter = meta["counter"]
year_s = meta["year"]
if len(year_s) < len(counter):
# Hack for some mistakes in their ordering
year_s, counter = counter, year_s
year = _parse_year(year_s)
return f"Certificate Number: {year}/{counter}"
def SG(meta) -> str:
year = meta["year"]
counter = meta["counter"]
return f"CSA_CC_{year}{counter}"
def IT(meta) -> str:
lab = meta.get("lab")
counter = meta["counter"]
year = _parse_year(meta["year"])
cert_id = "OCSI/CERT/"
if lab:
cert_id += f"{lab}/"
cert_id += f"{counter}/{year}/RC"
return cert_id
def PL(meta) -> str:
number = meta["number"]
ac = meta.get("ac")
year = meta["year"]
cert_id = f"{number}/PC1/"
if ac:
cert_id += f"{ac}/"
cert_id += f"{year}"
return cert_id
# We have rules for some schemes to make canonical cert_ids.
schemes = {
"FR": FR,
"DE": DE,
"US": US,
"MY": MY,
"ES": ES,
"IN": IN,
"SE": SE,
"UK": UK,
"CA": CA,
"JP": JP,
"NO": NO,
"NL": NL,
"AU": AU,
"KR": KR,
"TR": TR,
"SG": SG,
"IT": IT,
"PL": PL,
}
@dataclass(frozen=True)
class CertificateId:
"""
A Common Criteria certificate id.
"""
scheme: str
raw: str
@cached_property
def meta(self):
for rule in rules["cc_cert_id"][self.scheme]:
if match := re.match(rule, self.clean):
return match.groupdict()
return {}
@property
def clean(self) -> str:
"""
The clean version of this certificate id.
"""
return self.raw.replace("\N{HYPHEN}", "-").strip()
@property
def canonical(self) -> str:
"""
The canonical version of this certificate id.
"""
clean = self.clean
if self.scheme in schemes:
return schemes[self.scheme](self.meta)
else:
return clean
def __str__(self):
return self.canonical
def __hash__(self):
return hash((self.scheme, self.raw))
def __eq__(self, other):
if isinstance(other, str):
return self.canonical == other
if not isinstance(other, CertificateId):
return False
return self.canonical == other.canonical and self.scheme == other.scheme
def canonicalize(cert_id_str: str, scheme: str) -> str:
return CertificateId(scheme, cert_id_str).canonical
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