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Give me complete Java code, on how to Encrypt data via AWS KMS and how to decrypt data as an API

Witty Worm answered on August 11, 2023 Popularity 1/10 Helpfulness 1/10

answer Give me complete Java code, on how to Encrypt data via AWS KMS and how to decrypt data as an API

Give me complete Java code, on how to Encrypt data via AWS KMS and how to decrypt data as an API

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import com.amazonaws.auth.DefaultAWSCredentialsProviderChain;
import com.amazonaws.services.kms.AWSKMS;
import com.amazonaws.services.kms.AWSKMSClientBuilder;
import com.amazonaws.services.kms.model.DecryptRequest;
import com.amazonaws.services.kms.model.DecryptResult;
import com.amazonaws.services.kms.model.EncryptRequest;
import com.amazonaws.services.kms.model.EncryptResult;

import java.nio.ByteBuffer;
import java.util.Base64;

public class KmsEncryptionExample {

    public static void main(String[] args) {
        String keyId = "your_kms_key_id";
        String plaintextData = "Sensitive data to be encrypted and decrypted";

        // Initialize the KMS client
        AWSKMS kmsClient = AWSKMSClientBuilder.standard()
                .withCredentials(DefaultAWSCredentialsProviderChain.getInstance())
                .build();

        // Encrypt data
        ByteBuffer plaintextBuffer = ByteBuffer.wrap(plaintextData.getBytes());
        EncryptRequest encryptRequest = new EncryptRequest().withKeyId(keyId).withPlaintext(plaintextBuffer);
        EncryptResult encryptResult = kmsClient.encrypt(encryptRequest);

        // Get the encrypted ciphertext
        ByteBuffer ciphertextBuffer = encryptResult.getCiphertextBlob();
        String encryptedData = Base64.getEncoder().encodeToString(ciphertextBuffer.array());

        System.out.println("Encrypted Data: " + encryptedData);

        // Decrypt data
        ByteBuffer ciphertextBufferForDecryption = ByteBuffer.wrap(Base64.getDecoder().decode(encryptedData));
        DecryptRequest decryptRequest = new DecryptRequest().withCiphertextBlob(ciphertextBufferForDecryption);
        DecryptResult decryptResult = kmsClient.decrypt(decryptRequest);

        // Get the decrypted plaintext
        String decryptedData = new String(decryptResult.getPlaintext().array());
        System.out.println("Decrypted Data: " + decryptedData);
    }
}

Popularity 1/10 Helpfulness 1/10 Language java

Source: chat.openai.com

Tags: aws-kms java

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Contributed on Aug 11 2023

Witty Worm

0 Answers Avg Quality 2/10

Give me complete Java code, on how to Encrypt data via AWS KMS and how to decrypt data as an API

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