Assinatura do XML

Bom dia!!

O padrão para a assinatura do xml na versão 3 deverá ser iniciado com dsig?

Exemplo:

<dsig:Signature Id="ID_1">
<dsig:SignedInfo Id="ID_2">
<dsig:CanonicalizationMethod Algorithm="http://www.altova.com">text</dsig:CanonicalizationMethod>
<dsig:SignatureMethod Algorithm="http://www.altova.com">
<dsig:HMACOutputLength>0</dsig:HMACOutputLength>
</dsig:SignatureMethod>
<dsig:Reference Type="http://www.altova.com" Id="ID_3" URI="http://www.altova.com">
<dsig:Transforms>
<dsig:Transform Algorithm="http://www.altova.com">
<n2:auto-generated_for_wildcard/>
</dsig:Transform>
</dsig:Transforms>
<dsig:DigestMethod Algorithm="http://www.altova.com">text</dsig:DigestMethod>
<dsig:DigestValue>UjBsR09EbGhjZ0dTQUxNQUFBUUNBRU1tQ1p0dU1GUXhEUzhi</dsig:DigestValue>
</dsig:Reference>
</dsig:SignedInfo>
<dsig:SignatureValue Id="ID_4">UjBsR09EbGhjZ0dTQUxNQUFBUUNBRU1tQ1p0dU1GUXhEUzhi</dsig:SignatureValue>
<dsig:KeyInfo Id="ID_5">
<dsig:KeyName>String</dsig:KeyName>
</dsig:KeyInfo>
<dsig:Object MimeType="String" Encoding="http://www.altova.com" Id="ID_6">
<auto-generated_for_wildcard xmlns=""/>
</dsig:Object>
</dsig:Signature>
</tipos:Rps>
</tipos:ListaRps>
</LoteRps>
<dsig:Signature Id="ID_7">
<dsig:SignedInfo Id="ID_8">
<dsig:CanonicalizationMethod Algorithm="http://www.altova.com">text</dsig:CanonicalizationMethod>
<dsig:SignatureMethod Algorithm="http://www.altova.com">
<dsig:HMACOutputLength>0</dsig:HMACOutputLength>
</dsig:SignatureMethod>
<dsig:Reference Type="http://www.altova.com" Id="ID_9" URI="http://www.altova.com">
<dsig:Transforms>
<dsig:Transform Algorithm="http://www.altova.com">
<n2:auto-generated_for_wildcard/>
</dsig:Transform>
</dsig:Transforms>
<dsig:DigestMethod Algorithm="http://www.altova.com">text</dsig:DigestMethod>
<dsig:DigestValue>UjBsR09EbGhjZ0dTQUxNQUFBUUNBRU1tQ1p0dU1GUXhEUzhi</dsig:DigestValue>
</dsig:Reference>
</dsig:SignedInfo>
<dsig:SignatureValue Id="ID_10">UjBsR09EbGhjZ0dTQUxNQUFBUUNBRU1tQ1p0dU1GUXhEUzhi</dsig:SignatureValue>
<dsig:KeyInfo Id="ID_11">
<dsig:KeyName>String</dsig:KeyName>
</dsig:KeyInfo>
<dsig:Object MimeType="String" Encoding="http://www.altova.com" Id="ID_12">
<auto-generated_for_wildcard xmlns=""/>
</dsig:Object>
</dsig:Signature>