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.

        // 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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                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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            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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            throw new AmazonClientException("Content encrypting key or IV not found.");
        }
        // Material description
        String matdescStr = userMeta.get(Headers.MATERIALS_DESCRIPTION);
        Map<String, String> matdesc = matdescFromJson(matdescStr);
        EncryptionMaterials materials = kekMaterialAccessor == null
            ? null
            : kekMaterialAccessor.getEncryptionMaterials(matdesc)
            ;
        if (materials == null) {
            throw new AmazonClientException(

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                            + map);
        }
        // Material description
        String matdescStr = map.get(Headers.MATERIALS_DESCRIPTION);
        Map<String, String> matdesc = matdescFromJson(matdescStr);
        EncryptionMaterials materials = kekMaterialAccessor == null
            ? null
            : kekMaterialAccessor.getEncryptionMaterials(matdesc)
            ;
        if (materials == null) {
            throw new AmazonClientException(

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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) {
                return buildContentCryptoMaterial(materials,
                        cryptoConfig.getCryptoProvider(), req);
            }
        }

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     */
    private ContentCryptoMaterial newContentCryptoMaterial(
            EncryptionMaterialsProvider kekMaterialProvider,
            Map<String, String> materialsDescription, Provider provider,
            AmazonWebServiceRequest req) {
        EncryptionMaterials kekMaterials = 
            kekMaterialProvider.getEncryptionMaterials(materialsDescription);
        return buildContentCryptoMaterial(kekMaterials, provider, req);
    }

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

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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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                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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Related Classes of com.amazonaws.services.s3.model.EncryptionMaterials

com.amazonaws.AmazonWebServiceRequest

com.amazonaws.auth.AWSCredentials

com.amazonaws.ClientConfiguration

com.amazonaws.event.ProgressListener

com.amazonaws.event.ProgressListenerChain

com.amazonaws.http.HttpRequest

com.amazonaws.services.glacier.transfer.ArchiveTransferManager

com.amazonaws.services.s3.AmazonS3Client

com.amazonaws.services.s3.AmazonS3EncryptionClient

com.amazonaws.services.s3.internal.crypto.ContentCryptoMaterial

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