Example usage for com.itextpdf.text.pdf.security PdfPKCS7 PdfPKCS7

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf.security PdfPKCS7 PdfPKCS7.

Prototype

@SuppressWarnings({ "unchecked" })
public PdfPKCS7(byte[] contentsKey, PdfName filterSubtype, String provider) 

Source Link

Document

Use this constructor if you want to verify a signature.

Usage

From source file:org.opencps.pki.Pksc7SignatureContainer.java

License:Open Source License

/**
 * Produces the container with the signature.
 * @param data the data to sign/*from   w w w.j  a va2s .com*/
 * @return a container with the signature and other objects, like CRL and OCSP. The container will generally be a PKCS7 one.
 * @throws GeneralSecurityException 
 */
@Override
public byte[] sign(InputStream is) throws GeneralSecurityException {
    X509Certificate cert = signer.getCertificate();
    PdfPKCS7 sgn = new PdfPKCS7(encodedPkcs7, PdfName.ADBE_PKCS7_DETACHED, null);
    X509Certificate signingCert = sgn.getSigningCertificate();

    if (!signingCert.getSerialNumber().equals(cert.getSerialNumber())) {
        throw new SignatureException(
                "Encoded pkcs7 is invalid. The certificate from signer not equal pkcs7's certificate");
    }

    return encodedPkcs7;
}

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