## sign(src_stream, dst_stream, cert_holder, sign_Options) {#bytesio_bytesio_certificateholder_signOptions} Signs source document using given [CertificateHolder](../../certificateholder/) and [Sign......dst_stream, cert_holder, sign_options) {#bytesio_bytesio_certifi...digitalsignatures.CertificateHolder, sign_options: aspose.words.digitalsignatures...