@Override
    public ObjectMetadata getObject(GetObjectRequest req, File dest) {
        return crypto.getObjectSecurely(req, dest);
    }
{@inheritDoc}
<p>
Use {@link EncryptedPutObjectRequest} to specify materialsDescription for the EncryptionMaterials to be used for 
this request.AmazonS3EncryptionClient would use {@link EncryptionMaterialsProvider#getEncryptionMaterials(java.util.Map)} to 
retrieve encryption materials corresponding to the materialsDescription specified in the current request.
</p>
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/AmazonS3EncryptionClient.java