What does Intel IPP status -121 (ippStsPaddingSchemeErr) mean?

 
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ippStsCFBSizeErr ippStsInvalidCryptoKeyErr

ippStsPaddingSchemeErr

This status is a mode-selection error. The caller selected a padding scheme that the primitive does not support or that is inconsistent with the surrounding operation.

It differs from ippStsPaddingErr: here the scheme itself is not acceptable, while ippStsPaddingErr means a selected scheme failed validation against actual data.

Diagnostic focus

  • Check the padding enum or mode argument passed to the IPP function.
  • Verify that the algorithm, block size and padding policy are meant to be used together.
  • For protocols with authenticated encryption, confirm whether padding should exist at all.

CMS padding rules · IPP error reporting


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