GroupDocs.Signature का उपयोग करके जावा में एन्क्रिप्शन के साथ छवि मेटाडेटा हस्ताक्षर को कार्यान्वित करें

<dependency>
    <groupId>com.groupdocs</groupId>
    <artifactId>groupdocs-signature</artifactId>
    <version>23.12</version>
</dependency>

implementation 'com.groupdocs:groupdocs-signature:23.12'

import com.groupdocs.signature.Signature;

public class InitializeSignature {
    public static void main(String[] args) {
        // दस्तावेज़ का पथ
        String filePath = "path/to/your/document.jpg";
        
        // हस्ताक्षर का एक नया उदाहरण बनाएँ
        Signature signature = new Signature(filePath);

        System.out.println("GroupDocs.Signature initialized successfully.");
    }
}

import java.math.BigDecimal;
import java.util.Date;

class DocumentSignatureData {
    private String ID;
    private String Author;
    private Date Signed = new Date();
    private BigDecimal DataFactor = new BigDecimal(0.01);

    public String getID() { return ID; }
    public void setID(String value) { ID = value; }

    @FormatAttribute(propertyName = "SignID")
    public final String getAuthor() { return Author; }
    public final void setAuthor(String value) { Author = value; }

    @FormatAttribute(propertyName = "SAuth")
    public final Date getSigned() { return Signed; }
    public final void setSigned(Date value) { Signed = value; }

    @FormatAttribute(propertyName = "SDate", propertyFormat = "yyyy-MM-dd")
    public final BigDecimal getDataFactor() { return DataFactor; }
    public final void setDataFactor(BigDecimal value) { DataFactor = value; }
}

import com.groupdocs.signature.Signature;
import com.groupdocs.signature.domain.extensions.encryption.IDataEncryption;
import com.groupdocs.signature.domain.extensions.encryption.SymmetricAlgorithmType;
import com.groupdocs.signature.domain.extensions.encryption.SymmetricEncryption;
import com.groupdocs.signature.domain.signatures.metadata.ImageMetadataSignature;
import com.groupdocs.signature.exception.GroupDocsSignatureException;
import com.groupdocs.signature.options.sign.MetadataSignOptions;

import java.io.File;
import java.nio.file.Paths;
import java.util.UUID;

public class SignMetadataWithCustomObject {
    // प्लेसहोल्डर्स के साथ फ़ाइल पथ आरंभ करें
    String filePath = "YOUR_DOCUMENT_DIRECTORY/SampleImage.jpg";
    String outputFilePath = new File("YOUR_OUTPUT_DIRECTORY", 
                                       "SignedImageWithCustomMetadata/SampleImage_signed.jpg").getPath();

    public void run() throws Exception {
        Signature signature = new Signature(filePath);

        // एन्क्रिप्शन के लिए कुंजी और पासफ़्रेज़ सेट करें
        String key = "1234567890";
        String salt = "1234567890";
        IDataEncryption encryption = new SymmetricEncryption(
            SymmetricAlgorithmType.Rijndael, key, salt);

        MetadataSignOptions options = new MetadataSignOptions();
        DocumentSignatureData documentSignature = new DocumentSignatureData();
        
        // कस्टम मेटाडेटा गुण सेट करें
        documentSignature.setID(UUID.randomUUID().toString());
        documentSignature.setAuthor(System.getenv("USERNAME"));
        documentSignature.setSigned(new Date());
        documentSignature.setDataFactor(new BigDecimal("11.22"));

        ImageMetadataSignature mdDocument = new ImageMetadataSignature(41996, documentSignature);
        mdDocument.setDataEncryption(encryption);

        // विकल्पों में मेटाडेटा हस्ताक्षर जोड़ें
        options.getSignatures().add(mdDocument);

        signature.sign(outputFilePath, options);
    }
}

import com.groupdocs.signature.Signature;
import com.groupdocs.signature.domain.extensions.encryption.IDataEncryption;
import com.groupdocs.signature.domain.extensions.encryption.SymmetricAlgorithmType;
import com.groupdocs.signature.domain.extensions.encryption.SymmetricEncryption;
import com.groupdocs.signature.exception.GroupDocsSignatureException;
import com.groupdocs.signature.options.sign.MetadataSignOptions;

import java.io.File;
import java.nio.file.Paths;
import java.util.UUID;

public class SignMetadataWithEncryption {
    // प्लेसहोल्डर्स के साथ फ़ाइल पथ आरंभ करें
    String filePath = "YOUR_DOCUMENT_DIRECTORY/SampleImage.jpg";
    String outputFilePath = new File("YOUR_OUTPUT_DIRECTORY", 
                                       "SignedImageWithEncryption/SampleImage_signed.jpg").getPath();

    public void run() throws Exception {
        Signature signature = new Signature(filePath);

        // एन्क्रिप्शन के लिए कुंजी और पासफ़्रेज़ सेट करें
        String key = "1234567890";
        String salt = "1234567890";
        IDataEncryption encryption = new SymmetricEncryption(
            SymmetricAlgorithmType.Rijndael, key, salt);

        MetadataSignOptions options = new MetadataSignOptions();
        DocumentSignatureData documentSignature = new DocumentSignatureData();
        
        // कस्टम मेटाडेटा गुण सेट करें
        documentSignature.setID(UUID.randomUUID().toString());
        documentSignature.setAuthor(System.getenv("USERNAME"));
        documentSignature.setSigned(new Date());
        documentSignature.setDataFactor(new BigDecimal("11.22"));

        ImageMetadataSignature mdDocument = new ImageMetadataSignature(41996, documentSignature);
        mdDocument.setDataEncryption(encryption);

        // विकल्पों में मेटाडेटा हस्ताक्षर जोड़ें
        options.getSignatures().add(mdDocument);

        signature.sign(outputFilePath, options);
    }
}