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ERROR_RWRAW_ENCRYPTED_INVALID_EDATAINFO_PARAMETER
An encrypted-data metadata field is invalid
ERROR_RWRAW_ENCRYPTED_INVALID_EDATAINFO_PARAMETER is a broader validation failure for the metadata supplied to raw encrypted-file I/O. A field other than the separately reported offset or range can be malformed, unsupported, or inconsistent.
What to inspect
- Structure size and version.
- Flags and reserved fields.
- Algorithm or format identifiers.
- Block counts, lengths, and pointer ownership.
- Whether the metadata belongs to the same file and Windows implementation.
Diagnosis
Zero-initialize structures, set documented sizes explicitly, and validate every field before the call. Compare failing metadata with output produced by the same API on the same system. Be alert to packing differences across languages or architectures.
Handling
Do not guess unsupported field values. Regenerate the metadata through the documented export path or reject the artifact as incompatible. Keep the underlying error and metadata version in support logs.
Interoperability note
Raw encrypted-file formats are not a substitute for a portable application-level encryption format. Cross-version transfer must follow Microsoft's supported contract.
References
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