HRESULT 0x8028009A (TPM_20_E_INSUFFICIENT): meaning and diagnosis

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Description:

The TPM command buffer ends before a value can be decoded.

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TPM_20_E_SELECTOR	TPM_20_E_SIGNATURE

TPM_20_E_INSUFFICIENT

TPM_20_E_INSUFFICIENT maps to TPM_RC_INSUFFICIENT. The TPM ran out of input octets while unmarshaling a value. This points to truncation or inconsistent nested length fields, rather than a semantic rejection of a complete field.

What to verify

Compare the transmitted byte count with the command header and every enclosing TPM2B_* length.
Verify that no transport, marshaling layer, or buffer slicing step removed the final bytes.
Use TPM_20_E_COMMAND_SIZE for a mismatch in the top-level command-size field; use this code for a shortage encountered while decoding an inner value.

TCG TPM 2.0 Part 2: TPM_RC_INSUFFICIENT · TCG TPM 2.0 Part 3: unmarshaling errors

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