Examples of EncryptionMaterials

com.amazonaws.services.s3.model.EncryptionMaterials
Stores materials to be used in encryption. These materials may be either an asymmetric key pair or a symmetric key but not both.

Examples of com.amazonaws.services.s3.model.EncryptionMaterials

            Provider p, AWSKMSClient kms, AmazonWebServiceRequest req) {
        if (!usesKMSKey() && newKEKMatDesc.equals(kekMaterialsDescription)) {
            throw new SecurityException(
                "Material description of the new KEK must differ from the current one");
        }
        final EncryptionMaterials origKEK;
        if (usesKMSKey()) {
            origKEK = new KMSEncryptionMaterials(kekMaterialsDescription.get(
                KMSEncryptionMaterials.CUSTOMER_MASTER_KEY_ID));
        } else {
            origKEK = accessor.getEncryptionMaterials(kekMaterialsDescription);
        }
        EncryptionMaterials newKEK = accessor.getEncryptionMaterials(newKEKMatDesc);
        if (newKEK == null) {
            throw new AmazonClientException(
                "No material available with the description "
                    + newKEKMatDesc
                    + " from the encryption material provider");

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

        if (!usesKMSKey()
        &&  newKEK.getMaterialsDescription().equals(kekMaterialsDescription)) {
            throw new SecurityException(
                "Material description of the new KEK must differ from the current one");
        }
        final EncryptionMaterials origKEK;
        if (usesKMSKey()) {
            origKEK = new KMSEncryptionMaterials(kekMaterialsDescription.get(
                KMSEncryptionMaterials.CUSTOMER_MASTER_KEY_ID));
        } else {
            origKEK = accessor.getEncryptionMaterials(kekMaterialsDescription);

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

            Cipher symmetricCipher = EncryptionUtils.createSymmetricCipher(
                    encryptedUploadContext.getEnvelopeEncryptionKey(),
                    Cipher.ENCRYPT_MODE, cryptoConfig.getCryptoProvider(),
                    encryptedUploadContext.getFirstInitializationVector());


            EncryptionMaterials encryptionMaterials = encryptionMaterialsProvider.getEncryptionMaterials();


            // Encrypt the envelope symmetric key
            byte[] encryptedEnvelopeSymmetricKey = EncryptionUtils.getEncryptedSymmetricKey(encryptedUploadContext.getEnvelopeEncryptionKey(), encryptionMaterials, cryptoConfig.getCryptoProvider());
            EncryptionInstruction instruction = new EncryptionInstruction(encryptionMaterials.getMaterialsDescription(), encryptedEnvelopeSymmetricKey, encryptedUploadContext.getEnvelopeEncryptionKey(), symmetricCipher);


            // Put the instruction file into S3
            super.putObject(EncryptionUtils.createInstructionPutRequest(encryptedUploadContext.getBucketName(), encryptedUploadContext.getKey(), instruction));
        }

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

        // Generate a one-time use symmetric key and initialize a cipher to encrypt object data
        SecretKey envelopeSymmetricKey = EncryptionUtils.generateOneTimeUseSymmetricKey();
        Cipher symmetricCipher = EncryptionUtils.createSymmetricCipher(envelopeSymmetricKey, Cipher.ENCRYPT_MODE, cryptoConfig.getCryptoProvider(), null);


        if (cryptoConfig.getStorageMode() == CryptoStorageMode.ObjectMetadata) {
      EncryptionMaterials encryptionMaterials = encryptionMaterialsProvider.getEncryptionMaterials();
            // Encrypt the envelope symmetric key
            byte[] encryptedEnvelopeSymmetricKey = EncryptionUtils.getEncryptedSymmetricKey(envelopeSymmetricKey, encryptionMaterials, cryptoConfig.getCryptoProvider());


            // Store encryption info in metadata
            ObjectMetadata metadata = EncryptionUtils.updateMetadataWithEncryptionInfo(initiateMultipartUploadRequest, encryptedEnvelopeSymmetricKey, symmetricCipher, encryptionMaterials.getMaterialsDescription());


            // Update the request's metadata to the updated metadata
            initiateMultipartUploadRequest.setObjectMetadata(metadata);
        }

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

        // Generate a one-time use symmetric key and initialize a cipher to encrypt object data
        SecretKey envelopeSymmetricKey = generateOneTimeUseSymmetricKey();
        CipherFactory cipherFactory = new CipherFactory(envelopeSymmetricKey, Cipher.ENCRYPT_MODE, null, cryptoProvider);


        // Encrypt the envelope symmetric key
        EncryptionMaterials materials = materialsProvider.getEncryptionMaterials();
        byte[] encryptedEnvelopeSymmetricKey = getEncryptedSymmetricKey(envelopeSymmetricKey, materials, cryptoProvider);


        // Return a new instruction with the appropriate fields.
        return new EncryptionInstruction(materials.getMaterialsDescription(), encryptedEnvelopeSymmetricKey, envelopeSymmetricKey, cipherFactory);
    }

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

                throw new AmazonClientException(
                        String.format("Necessary encryption info not found in the instruction file '%s' in bucket '%s'",
                                      instructionFile.getKey(), instructionFile.getBucketName()));
            }


            EncryptionMaterials materials = retrieveOriginalMaterials(materialsDescription, materialsProvider);
            // If we're unable to retrieve the original encryption materials, we can't decrypt the object, so
            // throw an exception.
            if (materials == null) {
                throw new AmazonClientException(
                        String.format("Unable to retrieve the encryption materials that originally " +

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

            throw new AmazonClientException(
                    String.format("Necessary encryption info not found in the headers of file '%s' in bucket '%s'",
                                  object.getKey(), object.getBucketName()));
        }


        EncryptionMaterials materials = retrieveOriginalMaterials(materialsDescription, materialsProvider);
        // If we're unable to retrieve the original encryption materials, we can't decrypt the object, so
        // throw an exception.
        if (materials == null) {
            throw new AmazonClientException(
                    String.format("Unable to retrieve the encryption materials that originally " +

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

    protected final ContentCryptoMaterial createContentCryptoMaterial(
            AmazonWebServiceRequest req) {
        if (req instanceof EncryptionMaterialsFactory) {
            // per request level encryption materials
            EncryptionMaterialsFactory f = (EncryptionMaterialsFactory)req;
            final EncryptionMaterials materials = f.getEncryptionMaterials();
            if (materials != null) {
                buildContentCryptoMaterial(materials,
                        cryptoConfig.getCryptoProvider());
            }
        }

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

     * material, material description and security providers.
     */
    private ContentCryptoMaterial newContentCryptoMaterial(
            EncryptionMaterialsProvider kekMaterialProvider,
            Map<String, String> materialsDescription, Provider provider) {
        EncryptionMaterials kekMaterials = 
            kekMaterialProvider.getEncryptionMaterials(materialsDescription);
        return buildContentCryptoMaterial(kekMaterials, provider);
    }

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Examples of com.amazonaws.services.s3.model.EncryptionMaterials

     * material and security providers.
     */
    private ContentCryptoMaterial newContentCryptoMaterial(
            EncryptionMaterialsProvider kekMaterialProvider,
            Provider provider) {
        EncryptionMaterials kekMaterials = kekMaterialProvider.getEncryptionMaterials();
        if (kekMaterials == null)
            throw new AmazonClientException("No material available from the encryption material provider");
        return buildContentCryptoMaterial(kekMaterials, provider);
    }

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