Examples with AmazonS3Encryption com.amazonaws.services.s3.AmazonS3Encryption used on opensource projects

Example 6 with AmazonS3Encryption

use of com.amazonaws.services.s3.AmazonS3Encryption in project aws-doc-sdk-examples by awsdocs.

the class S3Encrypt method strictAuthenticatedEncryption_CustomerManagedKey.

/**
 * Uses AES/GCM with AESWrap key wrapping to encrypt the key. Uses v2 metadata schema. The only difference between this and
 * {@link #authenticatedEncryption_CustomerManagedKey()} is that attempting to retrieve an object non
 * encrypted with AES/GCM will thrown an exception instead of falling back to encryption only or plaintext GET.
 */
// snippet-start:[s3.java1.s3_encrypt.strict_authenticated_encryption]
public void strictAuthenticatedEncryption_CustomerManagedKey() throws NoSuchAlgorithmException {
    // snippet-start:[s3.java1.s3_encrypt.strict_authenticated_encryption_build]
    SecretKey secretKey = KeyGenerator.getInstance("AES").generateKey();
    AmazonS3Encryption s3Encryption = AmazonS3EncryptionClientBuilder.standard().withRegion(Regions.US_WEST_2).withCryptoConfiguration(new CryptoConfiguration(CryptoMode.StrictAuthenticatedEncryption)).withEncryptionMaterials(new StaticEncryptionMaterialsProvider(new EncryptionMaterials(secretKey))).build();
    AmazonS3 s3NonEncrypt = AmazonS3ClientBuilder.standard().withRegion(Regions.DEFAULT_REGION).build();
    // snippet-end:[s3.java1.s3_encrypt.strict_authenticated_encryption_build]
    s3Encryption.putObject(BUCKET_NAME, ENCRYPTED_KEY, "some contents");
    s3NonEncrypt.putObject(BUCKET_NAME, NON_ENCRYPTED_KEY, "some other contents");
    System.out.println(s3Encryption.getObjectAsString(BUCKET_NAME, ENCRYPTED_KEY));
    try {
        s3Encryption.getObjectAsString(BUCKET_NAME, NON_ENCRYPTED_KEY);
    } catch (SecurityException e) {
        // Strict authenticated encryption will throw an exception if an object is not encrypted with AES/GCM
        System.err.println(NON_ENCRYPTED_KEY + " was not encrypted with AES/GCM");
    }
}

Example 7 with AmazonS3Encryption

use of com.amazonaws.services.s3.AmazonS3Encryption in project aws-doc-sdk-examples by awsdocs.

the class S3Encrypt method encryptionOnly_CustomerManagedKey.

/**
 * Uses AES/CBC algorithm, no key wrapping.
 */
public void encryptionOnly_CustomerManagedKey() throws NoSuchAlgorithmException {
    SecretKey secretKey = KeyGenerator.getInstance("AES").generateKey();
    AmazonS3Encryption s3Encryption = AmazonS3EncryptionClientBuilder.standard().withRegion(Regions.US_WEST_2).withCryptoConfiguration(new CryptoConfiguration(CryptoMode.EncryptionOnly)).withEncryptionMaterials(new StaticEncryptionMaterialsProvider(new EncryptionMaterials(secretKey))).build();
    AmazonS3 s3NonEncrypt = AmazonS3ClientBuilder.standard().withRegion(Regions.DEFAULT_REGION).build();
    s3Encryption.putObject(BUCKET_NAME, ENCRYPTED_KEY, "some contents");
    s3NonEncrypt.putObject(BUCKET_NAME, NON_ENCRYPTED_KEY, "some other contents");
    System.out.println(s3Encryption.getObjectAsString(BUCKET_NAME, ENCRYPTED_KEY));
    System.out.println(s3Encryption.getObjectAsString(BUCKET_NAME, NON_ENCRYPTED_KEY));
}

Example 8 with AmazonS3Encryption

use of com.amazonaws.services.s3.AmazonS3Encryption in project aws-doc-sdk-examples by awsdocs.

the class S3Encrypt method encryptionOnly_KmsManagedKey.

// snippet-end:[s3.java1.s3_encrypt.encryption_only_asymetric_key]
/**
 * This uses the V2 metadata schema with a key wrap algorithm of 'kms' and a CEK algorithm of AES/CBC/PKCS5Padding.
 */
// snippet-start:[s3.java1.s3_encrypt.kms_encryption_only]
public void encryptionOnly_KmsManagedKey() throws NoSuchAlgorithmException {
    // snippet-start:[s3.java1.s3_encrypt.kms_encryption_only_build]
    AmazonS3Encryption s3Encryption = AmazonS3EncryptionClientBuilder.standard().withRegion(Regions.US_WEST_2).withCryptoConfiguration(new CryptoConfiguration(CryptoMode.EncryptionOnly).withAwsKmsRegion(Region.getRegion(Regions.US_WEST_2))).withEncryptionMaterials(new KMSEncryptionMaterialsProvider("alias/s3-kms-key")).build();
    AmazonS3 s3NonEncrypt = AmazonS3ClientBuilder.standard().withRegion(Regions.DEFAULT_REGION).build();
    // snippet-end:[s3.java1.s3_encrypt.kms_encryption_only_build]
    // snippet-start:[s3.java1.s3_encrypt.kms_encryption_only_put_object]
    s3Encryption.putObject(BUCKET_NAME, ENCRYPTED_KEY, "some contents");
    s3NonEncrypt.putObject(BUCKET_NAME, NON_ENCRYPTED_KEY, "some other contents");
    // snippet-end:[s3.java1.s3_encrypt.kms_encryption_only_put_object]
    // snippet-start:[s3.java1.s3_encrypt.kms_encryption_only_retrieve]
    System.out.println(s3Encryption.getObjectAsString(BUCKET_NAME, ENCRYPTED_KEY));
    System.out.println(s3Encryption.getObjectAsString(BUCKET_NAME, NON_ENCRYPTED_KEY));
// snippet-end:[s3.java1.s3_encrypt.kms_encryption_only_retrieve]
}

Example 9 with AmazonS3Encryption

use of com.amazonaws.services.s3.AmazonS3Encryption in project aws-doc-sdk-examples by awsdocs.

the class UploadObjectKMSKey method main.

public static void main(String[] args) throws IOException {
    String bucketName = "*** Bucket name ***";
    String keyName = "*** Object key name ***";
    Regions clientRegion = Regions.DEFAULT_REGION;
    String kms_cmk_id = "*** AWS KMS customer master key ID ***";
    int readChunkSize = 4096;
    try {
        // Optional: If you don't have a KMS key (or need another one),
        // create one. This example creates a key with AWS-created
        // key material.
        AWSKMS kmsClient = AWSKMSClientBuilder.standard().withRegion(clientRegion).build();
        CreateKeyResult keyResult = kmsClient.createKey();
        kms_cmk_id = keyResult.getKeyMetadata().getKeyId();
        // Create the encryption client.
        KMSEncryptionMaterialsProvider materialProvider = new KMSEncryptionMaterialsProvider(kms_cmk_id);
        CryptoConfiguration cryptoConfig = new CryptoConfiguration().withAwsKmsRegion(RegionUtils.getRegion(clientRegion.toString()));
        AmazonS3Encryption encryptionClient = AmazonS3EncryptionClientBuilder.standard().withCredentials(new ProfileCredentialsProvider()).withEncryptionMaterials(materialProvider).withCryptoConfiguration(cryptoConfig).withRegion(clientRegion).build();
        // Upload an object using the encryption client.
        String origContent = "S3 Encrypted Object Using KMS-Managed Customer Master Key.";
        int origContentLength = origContent.length();
        encryptionClient.putObject(bucketName, keyName, origContent);
        // Download the object. The downloaded object is still encrypted.
        S3Object downloadedObject = encryptionClient.getObject(bucketName, keyName);
        S3ObjectInputStream input = downloadedObject.getObjectContent();
        // Decrypt and read the object and close the input stream.
        byte[] readBuffer = new byte[readChunkSize];
        ByteArrayOutputStream baos = new ByteArrayOutputStream(readChunkSize);
        int bytesRead = 0;
        int decryptedContentLength = 0;
        while ((bytesRead = input.read(readBuffer)) != -1) {
            baos.write(readBuffer, 0, bytesRead);
            decryptedContentLength += bytesRead;
        }
        input.close();
        // Verify that the original and decrypted contents are the same size.
        System.out.println("Original content length: " + origContentLength);
        System.out.println("Decrypted content length: " + decryptedContentLength);
    } catch (AmazonServiceException e) {
        // The call was transmitted successfully, but Amazon S3 couldn't process
        // it, so it returned an error response.
        e.printStackTrace();
    } catch (SdkClientException e) {
        // Amazon S3 couldn't be contacted for a response, or the client
        // couldn't parse the response from Amazon S3.
        e.printStackTrace();
    }
}

Example 10 with AmazonS3Encryption

use of com.amazonaws.services.s3.AmazonS3Encryption in project aws-doc-sdk-examples by awsdocs.

the class S3Encrypt method authenticatedEncryption_CustomerManagedAsymmetricKey.

/**
 * Same as {@link #authenticatedEncryption_CustomerManagedKey()} except uses an asymmetric key pair and
 * RSA/ECB/OAEPWithSHA-256AndMGF1Padding as the key wrapping algorithm.
 */
public void authenticatedEncryption_CustomerManagedAsymmetricKey() throws NoSuchAlgorithmException {
    KeyPair keyPair = KeyPairGenerator.getInstance("RSA").generateKeyPair();
    AmazonS3Encryption s3Encryption = AmazonS3EncryptionClientBuilder.standard().withRegion(Regions.US_WEST_2).withCryptoConfiguration(new CryptoConfiguration(CryptoMode.AuthenticatedEncryption)).withEncryptionMaterials(new StaticEncryptionMaterialsProvider(new EncryptionMaterials(keyPair))).build();
    AmazonS3 s3NonEncrypt = AmazonS3ClientBuilder.standard().withRegion(Regions.DEFAULT_REGION).build();
    s3Encryption.putObject(BUCKET_NAME, ENCRYPTED_KEY, "some contents");
    s3NonEncrypt.putObject(BUCKET_NAME, NON_ENCRYPTED_KEY, "some other contents");
    System.out.println(s3Encryption.getObjectAsString(BUCKET_NAME, ENCRYPTED_KEY));
    System.out.println(s3Encryption.getObjectAsString(BUCKET_NAME, NON_ENCRYPTED_KEY));
}