What does HRESULT 0x8009200E (CRYPT_E_NO_SIGNER) mean?

 
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CRYPT_E_BAD_MSG CRYPT_E_PENDING_CLOSE

CRYPT_E_NO_SIGNER

The signed message has no signer at the specified signer index. This is often an index or message-profile problem, not a generic certificate-chain error.

What to check for CRYPT_E_NO_SIGNER

  • Query the signer count before requesting a signer by index.
  • Confirm that the content is actually a signed CMS message and not an unsigned, enveloped, or detached data container.
  • If a signer is expected but absent, obtain the original signed message from the producer.

Microsoft: CryptVerifyMessageSignature

Microsoft: CryptMsgGetParam

Diagnostic interpretation of CRYPT_E_NO_SIGNER

CRYPT_E_NO_SIGNER has the HRESULT value 0x8009200E. AllStat records the condition as “The signed cryptographic message does not have a signer for the specified signer index.”. For CRYPT_E_NO_SIGNER, in practice, interpret that wording at the boundary owned by cryptography, certificate, trust, or key-provider processing, rather than treating the value as a generic Windows message.

Evidence to capture for CRYPT_E_NO_SIGNER

  • Record the exact COM method or Windows API, its input object, the calling thread, and the full 0x8009200E value before a wrapper converts it to an exception or Boolean result.
  • Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions CRYPT_E_NO_SIGNER or the crypt / signer operation.
  • For CRYPT_E_NO_SIGNER, check the documented return contract of the specific API because the same HRESULT can require different recovery in different interfaces.

Retry and recovery for CRYPT_E_NO_SIGNER

Retry CRYPT_E_NO_SIGNER only when the owning API documents a transient state or after the condition described as “The signed cryptographic message does not have a signer for the specified signer index.” has changed. For CRYPT_E_NO_SIGNER, configuration, policy, format, and authorization failures normally require correction first; an immediate loop can hide the original call site and add secondary errors.

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