Christian Heimes <[email protected]> added the comment:
We don't need libkcapi. I added AF_ALG support a while ago:
import binascii
import os
import socket
with socket.socket(socket.AF_ALG, socket.SOCK_SEQPACKET, 0) as cfgsock:
cfgsock.bind(("hash", "sha256"))
opsock, _ = cfgsock.accept()
with opsock:
with open("/etc/os-release") as f:
st = os.fstat(f.fileno())
# blindly assumes that sendfile() exhausts the fd.
os.sendfile(
opsock.fileno(), f.fileno(), offset=0, count=st.st_size
)
res = opsock.recv(512)
print(binascii.hexlify(res))
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<https://bugs.python.org/issue47102>
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