import typing as t
if t.TYPE_CHECKING:
from gssapi.raw.ext_dce import IOV
from gssapi.raw.sec_contexts import SecurityContext
[docs]
def get_mic_iov(
context: "SecurityContext",
message: "IOV",
qop: t.Optional[int] = None,
) -> None:
"""Generate MIC tokens for the given IOV message.
This method generates a MIC token for the given IOV message, and places it
in the :attr:`~gssapi.raw.ext_dce.IOVBufferType.mic_token` buffer in the
IOV. This method operates entirely in-place, and returns nothing.
Warning:
This modifies the input :class:`~gssapi.raw.ext_dce.IOV`.
Args:
context (~gssapi.raw.sec_contexts.SecurityContext): the current
security context
message (IOV): the :class:`~gssapi.raw.ext_dce.IOV` containing the
message
qop (int): the desired Quality of Protection
(or None for the default QoP)
Returns:
None
Raises:
~gssapi.exceptions.GSSError
"""
[docs]
def get_mic_iov_length(
context: "SecurityContext",
message: "IOV",
qop: t.Optional[int] = None,
) -> None:
"""Allocate space for the MIC buffer in the given IOV message.
This method allocates space for the MIC token buffer
(:attr:`~gssapi.raw.ext_dce.IOVBufferType.mic_token`) in the given IOV
message.
Warning:
This modifies the input :class:`~gssapi.raw.ext_dce.IOV`.
Args:
context (~gssapi.raw.sec_contexts.SecurityContext): the current
security context
message (IOV): the :class:`~gssapi.raw.ext_dce.IOV` containing the
message
qop (int): the desired Quality of Protection
(or None for the default QoP)
Returns:
None
Raises:
~gssapi.exceptions.GSSError
"""
[docs]
def verify_mic_iov(
context: "SecurityContext",
message: "IOV",
qop: t.Optional[int] = None,
) -> int:
"""Verify that the MIC matches the data in the given IOV message.
This method verifies that the MIC token in the MIC buffer
(:attr:`~gssapi.raw.ext_dce.IOVBufferType.mic_token`) match the data
buffer(s) in the given IOV method.
Args:
context (~gssapi.raw.sec_contexts.SecurityContext): the current
security context
message (IOV): the :class:`~gssapi.raw.ext_dce.IOV` containing the
message
Returns:
int: the QoP used to generate the MIC token
Raises:
~gssapi.exceptions.GSSError
"""
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