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 > > > > > -- All that is necessary for evil to succeed is for good people to do nothing. _______________________________________________ Cryptography-dev mailing list Cryptography-dev@python.org https://mail.python.org/mailman/listinfo/cryptography-dev
