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

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


            EncryptionMaterials encryptionMaterials;
            if (encryptedUploadContext.getMaterialsDescription() != null) {
                encryptionMaterials = kekMaterialsProvider.getEncryptionMaterials(encryptedUploadContext.getMaterialsDescription());
            } else {
                encryptionMaterials = kekMaterialsProvider.getEncryptionMaterials();
            }


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


            // Put the instruction file into S3
            s3.putObject(EncryptionUtils.createInstructionPutRequest(encryptedUploadContext.getBucketName(), encryptedUploadContext.getKey(), instruction));
        }

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


        if (cryptoConfig.getStorageMode() == ObjectMetadata) {
            EncryptionMaterials encryptionMaterials = null;
            if (initiateMultipartUploadRequest instanceof EncryptedInitiateMultipartUploadRequest) {
                encryptionMaterials = kekMaterialsProvider.getEncryptionMaterials(((EncryptedInitiateMultipartUploadRequest) initiateMultipartUploadRequest).getMaterialsDescription());
            } else {
                encryptionMaterials = kekMaterialsProvider.getEncryptionMaterials();
            }
            // Encrypt the envelope symmetric key
            byte[] encryptedEnvelopeSymmetricKey = 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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    private EncryptionInstruction encryptionInstructionOf(
            AmazonWebServiceRequest req) {
        if (req instanceof EncryptionMaterialsFactory) {
            EncryptionMaterialsFactory f = (EncryptionMaterialsFactory)req;
            EncryptionMaterials materials = f.getEncryptionMaterials();
            if (materials != null) {
                return buildInstruction(materials,
                        cryptoConfig.getCryptoProvider());
            }
        }

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    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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     * 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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     * 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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                throw new SecurityException(
                    "Lowering the protection of encryption material is not allowed");
            }
            securityCheck(origCCM, wrapped);
            // Re-ecnrypt the CEK in a new content crypto material
            final EncryptionMaterials newKEK = req.getEncryptionMaterials();
            final ContentCryptoMaterial newCCM;
            if (newKEK == null) {
                newCCM = origCCM.recreate(req.getMaterialsDescription(),
                        this.kekMaterialsProvider,
                        cryptoScheme,

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            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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        // 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);
        }

View Full Code Here

            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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