Example usage for com.amazonaws.services.s3.model KMSEncryptionMaterials KMSEncryptionMaterials

Introduction

In this page you can find the example usage for com.amazonaws.services.s3.model KMSEncryptionMaterials KMSEncryptionMaterials.

Prototype

public KMSEncryptionMaterials(String defaultCustomerMasterKeyId) 

Source Link

Usage

From source file:org.apache.nifi.processors.aws.s3.encryption.service.StandardS3ClientSideEncryptionService.java

License:Apache License

private EncryptionMaterials encryptionMaterials() {
    if (!StringUtils.isBlank(kmsCmkId)) {
        return new KMSEncryptionMaterials(kmsCmkId);
    }/*from ww  w.  j a  va2 s . c o m*/

    if (!StringUtils.isBlank(secretKey)) {
        return new EncryptionMaterials(new SecretKeySpec(secretKey.getBytes(),
                secretKeyAlgorithm != null ? publicKeyAlgorithm : "RSA"));
    }

    if (!StringUtils.isBlank(publicKey) && !StringUtils.isBlank(privateKey)) {
        try {
            KeyFactory publicKeyFactory = KeyFactory
                    .getInstance(publicKeyAlgorithm != null ? publicKeyAlgorithm : "RSA");
            KeyFactory privateKeyFactory = KeyFactory
                    .getInstance(privateKeyAlgorithm != null ? privateKeyAlgorithm : "RSA");
            X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(publicKey.getBytes());
            PKCS8EncodedKeySpec privateKeySpec = new PKCS8EncodedKeySpec(privateKey.getBytes());
            KeyPair keyPair = new KeyPair(publicKeyFactory.generatePublic(publicKeySpec),
                    privateKeyFactory.generatePrivate(privateKeySpec));
            return new EncryptionMaterials(keyPair);
        } catch (Exception e) {
            getLogger().info("Failed to create key pair based encryption materials: reason={}",
                    new Object[] { e.getMessage() });
            return null;
        }
    }

    return null;
}

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