mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-22 22:38:08 +00:00
77 lines
1.8 KiB
Python
Executable File
77 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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from base64 import b64decode
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from hashlib import sha256
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import requests
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REPO = "certifi/python-certifi"
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def fetch_certdata():
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r = requests.get("https://api.github.com/repos/%s/git/refs/heads/master" % REPO)
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assert r.status_code == 200
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commithash = r.json()["object"]["sha"]
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r = requests.get(
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"https://raw.githubusercontent.com/%s/%s/certifi/cacert.pem"
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% (REPO, commithash)
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)
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assert r.status_code == 200
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certdata = r.text
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return commithash, certdata
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def process_certdata(data):
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certs = {}
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lines = [x.strip() for x in data.split("\n")]
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label = None
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value = None
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for line in lines:
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if line.startswith("# Label: "):
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assert label is None
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assert value is None
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label = line.split('"')[1]
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elif line == "-----BEGIN CERTIFICATE-----":
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assert label is not None
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assert value is None
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value = ""
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elif line == "-----END CERTIFICATE-----":
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assert label is not None
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assert value is not None
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certs[label] = b64decode(value)
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label, value = None, None
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else:
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if value is not None:
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value += line
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return certs
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def main():
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commithash, certdata = fetch_certdata()
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print("# fetched from https://github.com/%s" % REPO)
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print("# commit %s" % commithash)
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certs = process_certdata(certdata)
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size = sum([len(x) for x in certs.values()])
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print(
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"# certs: %d | digests size: %d | total size: %d"
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% (len(certs), len(certs) * 32, size)
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)
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print("cert_bundle = [")
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for k, v in certs.items():
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h = sha256(v)
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print(" # %s" % k)
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print(" # %s" % h.hexdigest())
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print(" %s," % h.digest())
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print("]")
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if __name__ == "__main__":
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main()
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