Problemas ao enviar MDF-e atraves do webservice da SeFaz

Question

Boa tarde Pessoal,

Estou com o seguinte problema:

Estou tentando enviar um MDF-e no ambiente de homologação da SeFaz e estou recebendo o retorno: 

Rejeição: Assinatura difere do calculado

Oque eu fiz até agora foi, gerei as classes através dos wsds disponíveis e a partir delas eu gero o XML, assinei o mesmo e crio o lote e faço a transmissão pelo webservice e obtenho o retorno: Arquivo recebido com sucesso e recebo um número de requisição.

Com o número de requisição em mãos eu utilizo outro webservice de consulta de requisição e obtenho o retorno como eu já havia mencionado: Rejeição: Assinatura difere do calculado

Uma coisa que eu estou achando estranho é que, quando eu gero o XML sem criar o Lote e tento transmiti-la através do emissor gratuito disponibilazado pela SeFaz ele é aceito e com isso eu acredito que a minha assinatura do XML está correta.

XML:

<?xml version="1.0" encoding="UTF-8"?>

-<enviMDFe xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.portalfiscal.inf.br/mdfe" versao="1.00">

<idLote>15</idLote>


-<MDFe>


-<infMDFe Id="MDFe31161025452301000934580010000000011000000012" versao="1.00">


-<ide>

<cUF>31</cUF>

<tpAmb>2</tpAmb>

<tpEmit>2</tpEmit>

<mod>58</mod>

<serie>1</serie>

<nMDF>1</nMDF>

<cMDF>00000001</cMDF>

<cDV>2</cDV>

<modal>1</modal>

<dhEmi>2016-10-05T10:40:00</dhEmi>

<tpEmis>1</tpEmis>

<procEmi>0</procEmi>

<verProc>1.00</verProc>

<UFIni>MG</UFIni>

<UFFim>SP</UFFim>


-<infMunCarrega>

<cMunCarrega>3170107</cMunCarrega>

<xMunCarrega>UBERABA</xMunCarrega>

</infMunCarrega>

</ide>


-<emit>

<CNPJ>25452301000934</CNPJ>

<IE>0010218360193</IE>

<xNome>SOCIEDADE EDUCACIONAL UBERABENSE</xNome>

<xFant>FAZENDA ESCOLA ALEXANDRE BARBOSA</xFant>


-<enderEmit>

<xLgr>ROD BR-050 KM</xLgr>

<nro>145</nro>

<xBairro>D INDUSTRIAL II</xBairro>

<cMun>3170107</cMun>

<xMun>UBERABA</xMun>

<CEP>38064750</CEP>

<UF>MG</UF>

<fone>3433196643</fone>

<email>[e-mail]</email>

</enderEmit>

</emit>


-<infModal versaoModal="1.00">


-<rodo xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.portalfiscal.inf.br/mdfe">

<RNTRC>22334455</RNTRC>

<CIOT>111222333444</CIOT>


-<veicTracao>

<cInt>1</cInt>

<placa>HDT3491</placa>

<tara>2000</tara>

<capKG>1000</capKG>

<capM3>100</capM3>


-<condutor>

<xNome>MARLON</xNome>

<CPF>09662504605</CPF>

</condutor>

<tpRod>01</tpRod>

<tpCar>00</tpCar>

<UF>MG</UF>

</veicTracao>

</rodo>

</infModal>


-<infDoc>


-<infMunDescarga>

<cMunDescarga>3500105</cMunDescarga>

<xMunDescarga>ADAMANTINA</xMunDescarga>


-<infNFe>

<chNFe>31160625452301000934550010000020651000020654</chNFe>

</infNFe>


-<infNFe>

<chNFe>31160725452301000934550010000021341000021343</chNFe>

</infNFe>

</infMunDescarga>

</infDoc>


-<tot>

<qNFe>2</qNFe>

<vCarga>17390</vCarga>

<cUnid>01</cUnid>

<qCarga>900</qCarga>

</tot>


-<lacres>

<nLacre>4545679843</nLacre>

</lacres>


-<lacres>

<nLacre>78973</nLacre>

</lacres>


-<infAdic>

<infAdFisco>Informacoes de Adcionais do Fisco. Operacao nao tributada.</infAdFisco>

<infCpl>Teste de geracao do XML do MDFe.</infCpl>

</infAdic>

</infMDFe>


-<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">


-<SignedInfo>

<CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>

<SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/>


-<Reference URI="#MDFe31161025452301000934580010000000011000000012">


-<Transforms>

<Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>

<Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>

</Transforms>

<DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>

<DigestValue>Puu3a4J3fkiLeya95HGEdWXayYo=</DigestValue>

</Reference>

</SignedInfo>

<SignatureValue>rQ2DOOsy3pRzTBrfKUHYA0ejfibHAkjXdfc0ZK816pT6ofoUHsfyhdPZ/Jv9+qoXYnHbxZ14yqMPLPAcfnju2DBh6gwhfrXmp2T7nQFo2U+Odg14qxD6N+TPCem7yoNYwMZ5aFYBJ5L+xJrcaQxr1xe9bI1+ZlsQEilMrxP4GMg35pZh/5hbjv+yJ65sSklyXPBfVJJXu5/X2aNKb/DamBVlEKQj4sgZ5cfve5aXhi/bWHuoNYSppM4qu7y8GD/5tnryTBEyYSjoaf2tINOLKSUiquM+WuxxSGwHmzebivG9069Ar+ALCaci74uz3DHMEweRfK+pabJUnfP1YmuGeQ==</SignatureValue>


-<KeyInfo>


-<X509Data>

<X509Certificate>MIIIQzCCBiugAwIBAgIQZGsvmi4L1SWotu3Smiq+VzANBgkqhkiG9w0BAQsFADB4MQswCQYDVQQGEwJCUjETMBEGA1UEChMKSUNQLUJyYXNpbDE2MDQGA1UECxMtU2VjcmV0YXJpYSBkYSBSZWNlaXRhIEZlZGVyYWwgZG8gQnJhc2lsIC0gUkZCMRwwGgYDVQQDExNBQyBDZXJ0aXNpZ24gUkZCIEc0MB4XDTE2MDcxMjAwMDAwMFoXDTE3MDcxMTIzNTk1OVowge8xCzAJBgNVBAYTAkJSMRMwEQYDVQQKFApJQ1AtQnJhc2lsMQswCQYDVQQIEwJNRzEQMA4GA1UEBxQHVUJFUkFCQTE2MDQGA1UECxQtU2VjcmV0YXJpYSBkYSBSZWNlaXRhIEZlZGVyYWwgZG8gQnJhc2lsIC0gUkZCMRYwFAYDVQQLFA1SRkIgZS1DTlBKIEExMSIwIAYDVQQLFBlBdXRlbnRpY2FkbyBwb3IgQVIgTklBTFBBMTgwNgYDVQQDEy9TT0NJRURBREUgRURVQ0FDSU9OQUwgVUJFUkFCRU5TRToyNTQ1MjMwMTAwMDE4NzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL3LCD1uQo7qe04xqPVyFO+B+SIvMeJHljMma9D8mRMCYT6yNNZJZY1hwD/uq+yAbzs4cxehnXm+xKsNgLX5ygyoP0TxTNlgfek0RiA6dUTkTnyjZBl6UYIXJ6tHCc26Zhj1HSKgagxUmOSYWaRa+gFXOKWEMiH6hSoWDSCEH0rlOAZpQAbVrRR8m2t/31O15HgtuF/aXs8Z+eaeCTyY1rBYH3vLJ19NMKylkxtSOCsZJD6ZLgrXyB0YE4y+E/ehCJ+qvaLVo3CzgkcYRJqQwycpjiY33Q135K/OlemfpBEBcWD6ypsw1Ez4M9kmpK+t/dhSfAd7zv0u+Nl2exRtknECAwEAAaOCA08wggNLMIG0BgNVHREEgawwgamgPQYFYEwBAwSgNAQyMDUxMDE5NDEwMDM3MTkwNDE1MzAwMDAwMDAwMDAwMDAwMDAwME0xMzExMTM5U1NQTUegGwYFYEwBAwKgEgQQTUFSQ0VMTyBQQUxNRVJJT6AZBgVgTAEDA6AQBA4yNTQ1MjMwMTAwMDE4N6AXBgVgTAEDB6AOBAwwMDAwMDAwMDAwMDCBF2NvbnRhYmlsaWRhZGVAdW5pdWJlLmJyMAkGA1UdEwQCMAAwHwYDVR0jBBgwFoAULpHq1m3lslmC3DiFKXY0FlY80D4wDgYDVR0PAQH/BAQDAgXgMH8GA1UdIAR4MHYwdAYGYEwBAgEMMGowaAYIKwYBBQUHAgEWXGh0dHA6Ly9pY3AtYnJhc2lsLmNlcnRpc2lnbi5jb20uYnIvcmVwb3NpdG9yaW8vZHBjL0FDX0NlcnRpc2lnbl9SRkIvRFBDX0FDX0NlcnRpc2lnbl9SRkIucGRmMIIBFgYDVR0fBIIBDTCCAQkwV6BVoFOGUWh0dHA6Ly9pY3AtYnJhc2lsLmNlcnRpc2lnbi5jb20uYnIvcmVwb3NpdG9yaW8vbGNyL0FDQ2VydGlzaWduUkZCRzQvTGF0ZXN0Q1JMLmNybDBWoFSgUoZQaHR0cDovL2ljcC1icmFzaWwub3V0cmFsY3IuY29tLmJyL3JlcG9zaXRvcmlvL2xjci9BQ0NlcnRpc2lnblJGQkc0L0xhdGVzdENSTC5jcmwwVqBUoFKGUGh0dHA6Ly9yZXBvc2l0b3Jpby5pY3BicmFzaWwuZ292LmJyL2xjci9DZXJ0aXNpZ24vQUNDZXJ0aXNpZ25SRkJHNC9MYXRlc3RDUkwuY3JsMB0GA1UdJQQWMBQGCCsGAQUFBwMCBggrBgEFBQcDBDCBmwYIKwYBBQUHAQEEgY4wgYswXwYIKwYBBQUHMAKGU2h0dHA6Ly9pY3AtYnJhc2lsLmNlcnRpc2lnbi5jb20uYnIvcmVwb3NpdG9yaW8vY2VydGlmaWNhZG9zL0FDX0NlcnRpc2lnbl9SRkJfRzQucDdjMCgGCCsGAQUFBzABhhxodHRwOi8vb2NzcC5jZXJ0aXNpZ24uY29tLmJyMA0GCSqGSIb3DQEBCwUAA4ICAQAUhEFlxSF+4hOjil71DrCXOTx1RLH/Vr2gMzwFquEN6CO/XRPuo8Ydad2LBfJZ2Xwjt3PH5bxWGIpA/tz8GqrauS5t1Zy1SHMLNWiWJpdnRlJtjNTZCBeCyLUiQUVQia9We0hSeNDYRFhXHtwsYjWAu3xOmRTOV2n0LyyL3Cr00EM8YFF6h1RdF6iPqHpZU7Yn9gNfbDMCJ2GSyEsOrR6IExAD5LOYHyMaHf1vMa+oKCx86Hl/+DHMPvyXuBT/ukeAo7n8YQWm+BlDmqIcoYS1EiJo4yLBLwhg6BhOuYD7nY1TQ49iv93XJ15br+hYpTiWFL1ZV+uvWnnYp6tdi6nN2tEEJq0Bh0A4uwDJ57+eO9yUqanBN0CeMm6bCOrx54npsrtxeo1tysRojd8rssK7Twv5Pjq5DOqeEWpU1xHXr+hptu7fsFnrshcMaHYNad3yDO8VCxOz2cXzeD7wGPExETVquco6arVyOCJr2sL6phCOoPT0bU3A3h7rUV38L4BF0u2+D+Lu42sFFLsiRhfxHplWobGiOtmKKfkOvEb62dSYVI48GqBAdpf08LxbOtKMdkwfs1Xt1AZO4RnXTR3st3v48kYDB9Wpk6Sjyh0Q36aU90cnUayJpDn0fbHxHsqFRqhhHllHZJ79oUgLDvqaKxx21ybCxhpQ0DYt4he0/g==</X509Certificate>

</X509Data>

</KeyInfo>

</Signature>

</MDFe>

</enviMDFe>

Por favor, se alguem puder me dar uma luz seria de grande ajuda. 

Penso que talvez meu erro esteja na forma que eu faço essa transmissão.

                MDFe_Homologacao_Recepcao.MDFeRecepcaoSoap12Client rec = new MDFe_Homologacao_Recepcao.MDFeRecepcaoSoap12Client();
                MDFe_Homologacao_Recepcao.mdfeRecepcaoLoteRequest recReq = new MDFe_Homologacao_Recepcao.mdfeRecepcaoLoteRequest();
                MDFe_Homologacao_Recepcao.mdfeCabecMsg cabReq = new MDFe_Homologacao_Recepcao.mdfeCabecMsg();

                System.ServiceModel.EndpointAddress end = new System.ServiceModel.EndpointAddress("https://mdfe-homologacao.svrs.rs.gov.br/ws/MDFerecepcao/MDFeRecepcao.asmx");                

                cabReq.cUF = "31";
                cabReq.versaoDados = "1.00";

                recReq.mdfeCabecMsg = cabReq;
                recReq.mdfeDadosMsg = xmlAssinado;

                rec.ClientCredentials.ClientCertificate.Certificate = X509Cert;                
                rec.Endpoint.Address = end;
                rec.Open();

                XmlNode retorno = rec.mdfeRecepcaoLote(ref recReq.mdfeCabecMsg, recReq.mdfeDadosMsg);