public_key is a method on your csr object that returns the public_key, not an attribute.
-Paul On Thu, Aug 29, 2024 at 8:36 PM Robert Moskowitz <r...@htt-consult.com> wrote: > > I tried that and: > > public_bytes = public_key.public_bytes( > encoding=serialization.Encoding.Raw, > format=serialization.PublicFormat.Raw) > > public_bytes = public_key.public_bytes( > ^^^^^^^^^^ > NameError: name 'public_key' is not defined > > so I tried > > public_bytes = csr.public_key.public_bytes( > encoding=serialization.Encoding.Raw, > format=serialization.PublicFormat.Raw) > > public_bytes = csr.public_key.public_bytes( > ^^^^^^^^^^^^^^^^^^^^^^^^^^^ > AttributeError: 'builtin_function_or_method' object has no attribute > 'public_bytes' > > then > > public_bytes = csr.public_bytes( > encoding=serialization.Encoding.DER) > > b'0\x81\x8f0C\x02\x01\x000\x101\x0e0\x0c\x06\x03U\x04\x05\x13\x05x12240*0\x05\x06\x03+ep\x03!\x00*,\xeb\xfb\xde\x01|8\xc4\xfdv\xf5\xc8j-\x07;<\xa8OI\x16\x93\x0c\xe2\xb8\xf3\x9b\x9d\xbf\x8fm\xa0\x000\x05\x06\x03+ep\x03A\x00\xc6\xe4~\xbd\xf8\xe0\x01\x9b\xd8\xd1\xcc$\xe9;\x85Gd\x9eb\x98\xdds\xab\x00\xa2\x13-\xb14_\x93bK\x17\xecg\xca/,n\x12\x9eb\x04\x13\xce\xad\xe6\x95\x9fh\xf0\x05\x84\x9f-\xfa3\x06%L\xd0^\x03' > > Which looks more like the whole csr, being to large to be 32 bytes. > > > > > On 8/29/24 23:15, Alex Gaynor wrote: > > All of our public key types have a public_bytes() method that can be > > used to serialize the key as you wish: > > https://cryptography.io/en/latest/hazmat/primitives/asymmetric/ed25519/#cryptography.hazmat.primitives.asymmetric.ed25519.Ed25519PublicKey.public_bytes > > > > Alex > > > > On Thu, Aug 29, 2024 at 11:12 PM Robert Moskowitz <r...@htt-consult.com> > > wrote: > >> I want a variable that is the bits of the public key so that if I print > >> it, I get something like: > >> > >> 0xf32938f7ff6918d5bbdc52483f31e3725875456a9aeb83f915461a5ea629acda > >> > >> or whatever type that I can then change to what I need elsewhere. > >> > >> On 8/29/24 23:02, Alex Gaynor wrote: > >>> You're getting back the public key object for that CSR. When you say > >>> you want the "public key itself" what do you mean? > >>> > >>> Alex > >>> > >>> On Thu, Aug 29, 2024 at 10:54 PM Robert Moskowitz <r...@htt-consult.com> > >>> wrote: > >>>> I have a csr with an eddsa25519 key: > >>>> > >>>> -----BEGIN CERTIFICATE REQUEST----- > >>>> MIGPMEMCAQAwEDEOMAwGA1UEBRMFeDEyMjQwKjAFBgMrZXADIQAqLOv73gF8OMT9 > >>>> dvXIai0HOzyoT0kWkwziuPObnb+PbaAAMAUGAytlcANBAMbkfr344AGb2NHMJOk7 > >>>> hUdknmKY3XOrAKITLbE0X5NiSxfsZ8ovLG4SnmIEE86t5pWfaPAFhJ8t+jMGJUzQ > >>>> XgM= > >>>> -----END CERTIFICATE REQUEST----- > >>>> > >>>> I want the Pbkey of > >>>> > >>>> Subject Public Key Info: > >>>> Public Key Algorithm: ED25519 > >>>> ED25519 Public-Key: > >>>> pub: > >>>> e7:3f:5c:a1:b7:78:8a:75:e4:7b:91:4c:0c:1c:48: > >>>> d7:f8:06:c1:f1:9d:58:b0:4d:c9:48:7f:3d:1d:bc: > >>>> ac:16 > >>>> > >>>> I am following > >>>> > >>>> https://cryptography.io/en/3.4.7/x509/reference.html#loading-certificate-signing-requests > >>>> and > >>>> https://cryptography.io/en/3.4.7/x509/reference.html#x-509-csr-certificate-signing-request-builder-object > >>>> > >>>> I tried the following to get the key: > >>>> > >>>> from cryptography.hazmat.primitives import serialization > >>>> from cryptography.hazmat.primitives.asymmetric import ed25519 > >>>> from cryptography import x509 > >>>> from cryptography.x509.oid import NameOID > >>>> from cryptography.hazmat.primitives.serialization import > >>>> load_pem_private_key > >>>> > >>>> with open(uacsr, "rb") as f: > >>>> pem_req_data = f.read() > >>>> csr = x509.load_pem_x509_csr(pem_req_data) > >>>> csr_pbkey = csr.public_key() > >>>> print(csr_pbkey) > >>>> > >>>> and get: > >>>> > >>>> <cryptography.hazmat.backends.openssl.ed25519._Ed25519PublicKey object > >>>> at 0x7f513f0d39d0> > >>>> > >>>> not the public key itself. > >>>> > >>>> What am I missing here? > >>>> > >>>> thanks > >>>> > >>>> _______________________________________________ > >>>> Cryptography-dev mailing list > >>>> Cryptography-dev@python.org > >>>> https://mail.python.org/mailman/listinfo/cryptography-dev > >>> > > > > _______________________________________________ > Cryptography-dev mailing list > Cryptography-dev@python.org > https://mail.python.org/mailman/listinfo/cryptography-dev _______________________________________________ Cryptography-dev mailing list Cryptography-dev@python.org https://mail.python.org/mailman/listinfo/cryptography-dev
