Avatar

Level 4

Hi All,

I am using pdf signature verification process for validating the signature in PDF.

The output for signature verification is giving signer status - unknown

Please find PDF verification Result which will illustrate the issue for you.

<com.adobe.livecycle.signatures.client.types.PDFSignatureVerificationResult>
  <signerName>Abhishek Bhandari</signerName>
  <signatureStatus>VALIDANDUNMODIFIED</signatureStatus>
  <signerStatus>UNKNOWN</signerStatus>
  <certPaths>
    <com.adobe.livecycle.signatures.client.types.SignerCertificatePath>
      <certificateDER>
        <byte-array>MIIEZzCCA0+gAwIBAgIQCuAoSgAAASisyEfvAAA4uTANBgkqhkiG9w0BAQUFADBIMRIwEAYDVQQdDH9dRA</byte-array>
        <byte-array>ChIhW6rg==</byte-array>
      </certificateDER>
      <status reference="../../../signerStatus"/>
      <failureReason>NO_FAILURE</failureReason>
      <certificateInformation>
        <com.adobe.livecycle.signatures.client.types.CertificateInformation>
          <certificate reference="../../../certificateDER/byte-array"/>
          <isTrusted>false</isTrusted>
          <revocationInformation>
            <status>Trouble</status>
            <statusMessage>ALC-DSS-111-008: OCSP response parsing error: PKI Generic Exception:  could not decode ocsp response (in the operation : decode)
Caused By: OCSP_STATUS_UNAUTHORIZED(OCSPResponse.java446)</statusMessage>
          </revocationInformation>
        </com.adobe.livecycle.signatures.client.types.CertificateInformation>
        <com.adobe.livecycle.signatures.client.types.CertificateInformation>
          <certificate reference="../../../certificateDER/byte-array[2]"/>
          <isTrusted>false</isTrusted>
          <revocationInformation>
            <status>Trouble</status>
            <statusMessage>ALC-DSS-111-008: OCSP response parsing error: PKI Generic Exception:  could not decode ocsp response (in the operation : decode)
Caused By: OCSP_STATUS_UNAUTHORIZED(OCSPResponse.java446)
</statusMessage>
          </revocationInformation>
        </com.adobe.livecycle.signatures.client.types.CertificateInformation>
        <com.adobe.livecycle.signatures.client.types.CertificateInformation>
          <certificate reference="../../../certificateDER/byte-array[3]"/>
          <isTrusted>true</isTrusted>
        </com.adobe.livecycle.signatures.client.types.CertificateInformation>
      </certificateInformation>
    </com.adobe.livecycle.signatures.client.types.SignerCertificatePath>
  </certPaths>
  <revision>1</revision>
  <numRevisions>1</numRevisions>
  <permissions>ALL</permissions>
  <policyQualifierList/>
  <dateSigned>2010-05-25 09:55:40.0 EDT</dateSigned>
  <isSigningDateTimestamped>false</isSigningDateTimestamped>
  <tsaStatus reference="../signerStatus"/>
</com.adobe.livecycle.signatures.client.types.PDFSignatureVerificationResult>

Please friends do reply for this issue.