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Vendor defined mechanism in MechanismWithParam #217

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6730146
Expand ATTRIBUTE_TYPES for GOSTR support.
Aug 14, 2025
911aff7
Allow vendor defined mechanism in MechanismWithParam
Aug 22, 2025
0239fcd
Merge branch 'pyauth:master' into master
ChikenL00p Aug 22, 2025
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8 changes: 7 additions & 1 deletion pkcs11/_pkcs11.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -162,7 +162,7 @@ cdef class MechanismWithParam:
raise ArgumentsBad("No default mechanism for this key type. "
"Please specify `mechanism`.")

if not isinstance(mechanism, Mechanism):
if not (isinstance(mechanism, Mechanism) or mechanism & Mechanism._VENDOR_DEFINED):
raise ArgumentsBad("`mechanism` must be a Mechanism.")
# Possible types of parameters we might need to allocate
# These are used to make assigning to the object we malloc() easier
Expand Down Expand Up @@ -298,6 +298,12 @@ cdef class MechanismWithParam:
aes_ctr_params.ulCounterBits = (16 - len(param.nonce)) * 8
aes_ctr_params.cb = param.nonce + b"\x00" * (15 - len(param.nonce)) + b"\x01"

elif mechanism & Mechanism._VENDOR_DEFINED and param:
if not isinstance(param, bytes):
raise ArgumentsBad("'mechanism_param' type must be bytes")
self.data.pParameter = <CK_BYTE *> param
paramlen = len(param)

elif param is None:
self.data.pParameter = NULL
paramlen = 0
Expand Down
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