public static async Task <byte[]> EncryptData(string toEncrypt, AccountCredentials credentials, string region, CancellationToken token = default)
{
try
{
var jsonMemStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(toEncrypt ?? ""));
var cmk = credentials.cmk;
var kmsClient = new AmazonKeyManagementServiceClient(credentials.AWSCredentials, RegionEndpoint.GetBySystemName(region));
kmsClient.ExceptionEvent += KmsClient_ExceptionEvent;
var dataKeyRequest = new GenerateDataKeyRequest()
{
KeyId = cmk, //"alias/console-test1846939174-user1846939660"
KeySpec = DataKeySpec.AES_128
};
GenerateDataKeyResponse dataKeyResponse = kmsClient.GenerateDataKey(dataKeyRequest);
var plaintextKey = await StreamToByteArray(dataKeyResponse.Plaintext);
var encryptedKey = await StreamToByteArray(dataKeyResponse.CiphertextBlob);
var key = encryptedKey;
var encryptedResponse = await kmsClient.EncryptAsync(new EncryptRequest()
{
KeyId = cmk,
Plaintext = jsonMemStream,
}, token);
var dataBytes = await GetByteDataPackage(encryptedResponse, key);
//var dataBytes = Encoding.ASCII.GetBytes(dataPack);
return(dataBytes);
}
catch (Exception exc) //took just over 15 seconds
{
}
return(null);
}
public static async Task PutFile(int cnt, Settings settings, AccountCredentials credentials)
{
try
{
AmazonS3Client s3Client = new AmazonS3Client(credentials.AWSCredentials,
RegionEndpoint.GetBySystemName(settings.S3Region)
);
var str = $"Hello world {cnt} from {settings.ParticipantId} on {settings.DeviceId} at {DateTime.Now.ToShortDateString()}";
var dataBytes = await EncryptData(str, credentials, settings.S3Region);
using (MemoryStream encryptedStream = new MemoryStream(dataBytes))
{
var toPut = new PutObjectRequest()
{
BucketName = settings.S3Bucket,
Key = $"{settings.ParticipantId}-{cnt}- byte cypher-test3.bin",
ContentType = "text/plain",
InputStream = encryptedStream
};
await s3Client.PutObjectAsync(toPut);
}
}
catch (WebException exc)
{
var c = exc;
}
//catch(AmazonS3Exception exc)
//{
// if(exc.ErrorCode == "InvalidAccessKeyId" || exc.ErrorCode == "SignatureDoesNotMatch" || exc.ErrorCode == "InvalidToken")
// {
// var t = "retry";
// }
//}
catch (Exception exc)
{
throw;
}
}
