Comments (3)
lsmith77
commented on June 3, 2024
2
I have looked through the python-json code and I think I have a working version to create a PEM from n/e values:
# Copied from https://github.com/mpdavis/python-jose/blob/master/jose/utils.py - MIT License
def int_arr_to_long(arr):
return int("".join(["%02x" % byte for byte in arr]), 16)
# Copied from https://github.com/mpdavis/python-jose/blob/master/jose/utils.py - MIT License
def base64_to_long(data):
if isinstance(data, str):
data = data.encode("ascii")
# urlsafe_b64decode will happily convert b64encoded data
_d = base64.urlsafe_b64decode(bytes(data) + b"==")
return int_arr_to_long(struct.unpack("%sB" % len(_d), _d))
# Inspired by https://github.com/mpdavis/python-jose/blob/master/jose/backends/rsa_backend.py - MIT License
def convert_to_pem(n, e):
rsa_key = pyrsa.PublicKey(e=base64_to_long(e), n=base64_to_long(n))
der = rsa_key.save_pkcs1(format="DER")
return pyrsa_pem.save_pem(der, pem_marker="RSA PUBLIC KEY")
from pyjwt.
jpmckinney
commented on June 3, 2024
get_unverified_header
from jose import jwt
jwt.get_unverified_header(token)import jwt
jwt.get_unverified_header(token)base64url_decode
from jose.utils import base64url_decodefrom jwt.utils import base64url_decodeLines 28 to 33 in 7b4bc84
JWTError
jose's JWTError's subclasses are JWTClaimsError and ExpiredSignatureError.
from jose import JWTErrorfrom jwt import InvalidTokenErrorLine 9 in 72ad55f
pyjwt has ExpiredSignatureError, and multiple errors to cover JWTClaimsError.
from pyjwt.
jpmckinney
commented on June 3, 2024
For my needs, I just haven't figured out the replacement for jwk.construct() (docs).
I probably need to do something with PyJWK?
from jose import jwk
key = jwk.construct(data)
key.verify(msg, sig)import jwt
obj = jwt.PyJWK(data)
# ???Edit: This seems to work:
import jwt
obj = jwt.PyJWK(data)
alg_obj = obj.Algorithm
prepared_key = alg_obj.prepare_key(obj.key)
alg_obj.verify(msg, prepared_key, sig)from pyjwt.
Related Issues (20)
- Why not sort_keys during json.dump ? HOT 2
- Unable to catch errors using flask @app.errorhandler HOT 1
- Add parameter for user-supplied timestamp when validating claims HOT 1
- SHA-256 not FIPS-202 compliant and a SHA-3 Update Required by NIST HOT 4
- Cryptography generated EC key is invalid HOT 1
- Ability to disable refresh & retry on `kid` mismatch HOT 4
- Security scan flags up the token being printed HOT 4
- options verify_exp not working HOT 1
- sharing namespace jwt conflict, is this possible to prevent, pip install pyJWT give no warning HOT 3
- Please stop validating that `iat <= now` by default HOT 3
- Got error: Algorithm 'ES256' could not be found. Do you have cryptography installed? HOT 3
- Remove algorithm parameter overwrite in PyJWS.encode HOT 1
- There should be a check on the type of algorithms in signature verification HOT 1
- Decoding fails with "Invalid payload string: must be a json object" when the JSON is an array HOT 1
- https://nvd.nist.gov/vuln/detail/CVE-2024-26130 update cryptography HOT 2
- When is python 3.12 expected to be released as a package on PIP? HOT 2
- Consider cryptography 42.x.x new validation HOT 2
- Make a release 2.9.0? Or create a checklist that contributors can help with? HOT 3
- Minimal example of implementation with encode and decode HOT 1
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from pyjwt.