public SigV4RequestSigner()

in src/SigV4RequestSigner.cs [30:40]


        public SigV4RequestSigner()
        {
            ImmutableCredentials awsCredentials = FallbackCredentialsFactory.GetCredentials().GetCredentials();
            RegionEndpoint region = FallbackRegionFactory.GetRegionEndpoint();
            
            _access_key = awsCredentials.AccessKey;
            _secret_key = awsCredentials.SecretKey;
            _token = awsCredentials.Token;
            _region = region?.SystemName ?? DefaultRegion; //ex: set via AWS_REGION env variable 
            _sha256 = SHA256.Create();
        }