Python/cryptography: ValueError: Could not deserialize key data












0















I am trying to encoded a JWT payload using "RS256", but I'm getting ValueError: Could not deserialize key data. error from the cryptography library.



import jwt
private_key = b'-----BEGIN PRIVATE KEY-----nMIGEAgEAMBAGByqGSM49AgEGBS...'
public_key = b'-----BEGIN PUBLIC KEY-----nMHYwEAYHKoZIzj0CAQYFK4EEAC...'
encoded = jwt.encode({'some': 'payload'}, private_key, algorithm='RS256')


But I'm getting the following error.



Traceback (most recent call last):
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/algorithms.py", line 205, in prepare_key
key = load_pem_private_key(key, password=None, backend=default_backend())
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/primitives/serialization.py", line 20, in load_pem_private_key
return backend.load_pem_private_key(data, password)
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1016, in load_pem_private_key
password,
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1235, in _load_key
self._handle_key_loading_error()
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1293, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/api_jwt.py", line 65, in encode
json_payload, key, algorithm, headers, json_encoder
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/api_jws.py", line 113, in encode
key = alg_obj.prepare_key(key)
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/algorithms.py", line 207, in prepare_key
key = load_pem_public_key(key, backend=default_backend())
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/primitives/serialization.py", line 24, in load_pem_public_key
return backend.load_pem_public_key(data)
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1042, in load_pem_public_key
self._handle_key_loading_error()
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1293, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.









share|improve this question























  • Possibly only include the private key data after the newline (n)?

    – Sam Hollenbach
    Jan 18 at 17:42











  • @SamHollenbach Can you show code example please?

    – user1187968
    Jan 18 at 17:45











  • Just private_key = b'MIGEAgEAMBAGByqGSM49AgEGBS...'. Not sure if this will work, but just a thought.

    – Sam Hollenbach
    Jan 18 at 17:46











  • Try this thread too: github.com/jpadilla/pyjwt/issues/257

    – Sam Hollenbach
    Jan 18 at 17:47











  • It works for me. My guess is your private_key is simply malformed.

    – James K Polk
    Jan 18 at 20:00


















0















I am trying to encoded a JWT payload using "RS256", but I'm getting ValueError: Could not deserialize key data. error from the cryptography library.



import jwt
private_key = b'-----BEGIN PRIVATE KEY-----nMIGEAgEAMBAGByqGSM49AgEGBS...'
public_key = b'-----BEGIN PUBLIC KEY-----nMHYwEAYHKoZIzj0CAQYFK4EEAC...'
encoded = jwt.encode({'some': 'payload'}, private_key, algorithm='RS256')


But I'm getting the following error.



Traceback (most recent call last):
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/algorithms.py", line 205, in prepare_key
key = load_pem_private_key(key, password=None, backend=default_backend())
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/primitives/serialization.py", line 20, in load_pem_private_key
return backend.load_pem_private_key(data, password)
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1016, in load_pem_private_key
password,
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1235, in _load_key
self._handle_key_loading_error()
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1293, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/api_jwt.py", line 65, in encode
json_payload, key, algorithm, headers, json_encoder
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/api_jws.py", line 113, in encode
key = alg_obj.prepare_key(key)
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/algorithms.py", line 207, in prepare_key
key = load_pem_public_key(key, backend=default_backend())
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/primitives/serialization.py", line 24, in load_pem_public_key
return backend.load_pem_public_key(data)
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1042, in load_pem_public_key
self._handle_key_loading_error()
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1293, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.









share|improve this question























  • Possibly only include the private key data after the newline (n)?

    – Sam Hollenbach
    Jan 18 at 17:42











  • @SamHollenbach Can you show code example please?

    – user1187968
    Jan 18 at 17:45











  • Just private_key = b'MIGEAgEAMBAGByqGSM49AgEGBS...'. Not sure if this will work, but just a thought.

    – Sam Hollenbach
    Jan 18 at 17:46











  • Try this thread too: github.com/jpadilla/pyjwt/issues/257

    – Sam Hollenbach
    Jan 18 at 17:47











  • It works for me. My guess is your private_key is simply malformed.

    – James K Polk
    Jan 18 at 20:00
















0












0








0








I am trying to encoded a JWT payload using "RS256", but I'm getting ValueError: Could not deserialize key data. error from the cryptography library.



import jwt
private_key = b'-----BEGIN PRIVATE KEY-----nMIGEAgEAMBAGByqGSM49AgEGBS...'
public_key = b'-----BEGIN PUBLIC KEY-----nMHYwEAYHKoZIzj0CAQYFK4EEAC...'
encoded = jwt.encode({'some': 'payload'}, private_key, algorithm='RS256')


But I'm getting the following error.



Traceback (most recent call last):
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/algorithms.py", line 205, in prepare_key
key = load_pem_private_key(key, password=None, backend=default_backend())
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/primitives/serialization.py", line 20, in load_pem_private_key
return backend.load_pem_private_key(data, password)
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1016, in load_pem_private_key
password,
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1235, in _load_key
self._handle_key_loading_error()
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1293, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/api_jwt.py", line 65, in encode
json_payload, key, algorithm, headers, json_encoder
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/api_jws.py", line 113, in encode
key = alg_obj.prepare_key(key)
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/algorithms.py", line 207, in prepare_key
key = load_pem_public_key(key, backend=default_backend())
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/primitives/serialization.py", line 24, in load_pem_public_key
return backend.load_pem_public_key(data)
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1042, in load_pem_public_key
self._handle_key_loading_error()
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1293, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.









share|improve this question














I am trying to encoded a JWT payload using "RS256", but I'm getting ValueError: Could not deserialize key data. error from the cryptography library.



import jwt
private_key = b'-----BEGIN PRIVATE KEY-----nMIGEAgEAMBAGByqGSM49AgEGBS...'
public_key = b'-----BEGIN PUBLIC KEY-----nMHYwEAYHKoZIzj0CAQYFK4EEAC...'
encoded = jwt.encode({'some': 'payload'}, private_key, algorithm='RS256')


But I'm getting the following error.



Traceback (most recent call last):
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/algorithms.py", line 205, in prepare_key
key = load_pem_private_key(key, password=None, backend=default_backend())
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/primitives/serialization.py", line 20, in load_pem_private_key
return backend.load_pem_private_key(data, password)
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1016, in load_pem_private_key
password,
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1235, in _load_key
self._handle_key_loading_error()
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1293, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/api_jwt.py", line 65, in encode
json_payload, key, algorithm, headers, json_encoder
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/api_jws.py", line 113, in encode
key = alg_obj.prepare_key(key)
File "/Users/user1/venv_1/lib/python3.7/site-packages/jwt/algorithms.py", line 207, in prepare_key
key = load_pem_public_key(key, backend=default_backend())
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/primitives/serialization.py", line 24, in load_pem_public_key
return backend.load_pem_public_key(data)
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1042, in load_pem_public_key
self._handle_key_loading_error()
File "/Users/user1/venv_1/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1293, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.






python python-3.x encryption cryptography jwt






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Jan 18 at 17:39









user1187968user1187968

98342252




98342252













  • Possibly only include the private key data after the newline (n)?

    – Sam Hollenbach
    Jan 18 at 17:42











  • @SamHollenbach Can you show code example please?

    – user1187968
    Jan 18 at 17:45











  • Just private_key = b'MIGEAgEAMBAGByqGSM49AgEGBS...'. Not sure if this will work, but just a thought.

    – Sam Hollenbach
    Jan 18 at 17:46











  • Try this thread too: github.com/jpadilla/pyjwt/issues/257

    – Sam Hollenbach
    Jan 18 at 17:47











  • It works for me. My guess is your private_key is simply malformed.

    – James K Polk
    Jan 18 at 20:00





















  • Possibly only include the private key data after the newline (n)?

    – Sam Hollenbach
    Jan 18 at 17:42











  • @SamHollenbach Can you show code example please?

    – user1187968
    Jan 18 at 17:45











  • Just private_key = b'MIGEAgEAMBAGByqGSM49AgEGBS...'. Not sure if this will work, but just a thought.

    – Sam Hollenbach
    Jan 18 at 17:46











  • Try this thread too: github.com/jpadilla/pyjwt/issues/257

    – Sam Hollenbach
    Jan 18 at 17:47











  • It works for me. My guess is your private_key is simply malformed.

    – James K Polk
    Jan 18 at 20:00



















Possibly only include the private key data after the newline (n)?

– Sam Hollenbach
Jan 18 at 17:42





Possibly only include the private key data after the newline (n)?

– Sam Hollenbach
Jan 18 at 17:42













@SamHollenbach Can you show code example please?

– user1187968
Jan 18 at 17:45





@SamHollenbach Can you show code example please?

– user1187968
Jan 18 at 17:45













Just private_key = b'MIGEAgEAMBAGByqGSM49AgEGBS...'. Not sure if this will work, but just a thought.

– Sam Hollenbach
Jan 18 at 17:46





Just private_key = b'MIGEAgEAMBAGByqGSM49AgEGBS...'. Not sure if this will work, but just a thought.

– Sam Hollenbach
Jan 18 at 17:46













Try this thread too: github.com/jpadilla/pyjwt/issues/257

– Sam Hollenbach
Jan 18 at 17:47





Try this thread too: github.com/jpadilla/pyjwt/issues/257

– Sam Hollenbach
Jan 18 at 17:47













It works for me. My guess is your private_key is simply malformed.

– James K Polk
Jan 18 at 20:00







It works for me. My guess is your private_key is simply malformed.

– James K Polk
Jan 18 at 20:00














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