{"id":23281,"date":"2023-09-26T11:38:48","date_gmt":"2023-09-26T09:38:48","guid":{"rendered":"https:\/\/mailcommsgroup.com\/blog\/advanced-electronic-signature-electronic-signature-advanced-2\/"},"modified":"2025-11-27T15:09:11","modified_gmt":"2025-11-27T14:09:11","slug":"advanced-electronic-signature-electronic-signature-advanced-2","status":"publish","type":"post","link":"https:\/\/mailcommsgroup.com\/pt\/blog\/advanced-electronic-signature-electronic-signature-advanced-2\/","title":{"rendered":"Assinatura eletr\u00f3nica avan\u00e7ada: Base jur\u00eddica, funcionamento e seguran\u00e7a"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_single_image image=&#8221;23056&#8243; img_size=&#8221;full&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;80px&#8221; css=&#8221;.vc_custom_1761755351194{margin-top: -70px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755264276{padding-top: 50px !important;padding-right: 50px !important;padding-bottom: 50px !important;padding-left: 50px !important;background-color: #F2F2F2 !important;}&#8221;]<span style=\"font-size: 20px\"><strong>\u00cdndice  <\/strong><\/span><\/p>\n<ol>\n<li><a href=\"#uno\">Base jur\u00eddica para as assinaturas electr\u00f3nicas avan\u00e7adas: legisla\u00e7\u00e3o aplic\u00e1vel<\/a><\/li>\n<li><a href=\"#dos\">Carater\u00edsticas da assinatura eletr\u00f3nica avan\u00e7ada<\/a><\/li>\n<li><a href=\"#tres\">Carater\u00edsticas da assinatura eletr\u00f3nica qualificada<\/a><\/li>\n<li><a href=\"#cuatro\">Pol\u00edtica de assinaturas<\/a><\/li>\n<li><a href=\"#cinco\">Sistema Nacional de Interoperabilidade (SNI)<\/a><\/li>\n<li><a href=\"#seis\">Regime Nacional de Seguran\u00e7a (ENS)<\/a><\/li>\n<li><a href=\"#siete\">Notas pol\u00edticas adicionais<\/a><\/li>\n<li><a href=\"#ocho\">Assinaturas electr\u00f3nicas: como escolher um fornecedor<\/a><\/li>\n<li><a href=\"#nueve\">Conclus\u00e3o<\/a><\/li>\n<\/ol>\n<p>[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; css=&#8221;.vc_custom_1761755357450{margin-top: -100px !important;}&#8221;][vc_column_text]Com o seu n\u00edvel superior de seguran\u00e7a jur\u00eddica, a <strong>assinatura eletr\u00f3nica avan\u00e7ada<\/strong> \u00e9 uma ferramenta fundamental no mundo digital atual, pois garante a autenticidade, a integridade e a confidencialidade dos documentos electr\u00f3nicos e das transac\u00e7\u00f5es em linha, bem como a sua combina\u00e7\u00e3o com a assinatura de uma pessoa, organiza\u00e7\u00e3o ou administra\u00e7\u00e3o. Neste artigo, vamos explorar a base jur\u00eddica da assinatura eletr\u00f3nica avan\u00e7ada, a legisla\u00e7\u00e3o aplic\u00e1vel e os aspectos de seguran\u00e7a que a rodeiam.[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; css=&#8221;.vc_custom_1761755370754{margin-top: -100px !important;}&#8221; el_id=&#8221;uno&#8221;][vc_column_text css=&#8221;.vc_custom_1761755378707{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Base jur\u00eddica para as assinaturas electr\u00f3nicas avan\u00e7adas: legisla\u00e7\u00e3o aplic\u00e1vel<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text]A <a href=\"https:\/\/mailcommsgroup.com\/pt\/recrutamento-eletronica\/firma-eletronica\/\" target=\"_blank\" rel=\"noopener\">assinatura eletr\u00f3nica<\/a> avan\u00e7ada \u00e9 regulada pela Lei 6\/2020 e pelo Regulamento (UE) n.\u00ba 910\/2014, ou seja, o regulamento europeu eIDAS. Estes regulamentos estabelecem os quadros jur\u00eddicos necess\u00e1rios para garantir a validade e a seguran\u00e7a das assinaturas electr\u00f3nicas no ambiente jur\u00eddico e empresarial.<\/p>\n<p>A Lei 6\/2020, que substituiu a Lei 59\/2003, \u00e9 a principal legisla\u00e7\u00e3o espanhola que regula os servi\u00e7os de confian\u00e7a electr\u00f3nicos. Esta lei visa evitar lacunas regulamentares e refor\u00e7ar a seguran\u00e7a das transac\u00e7\u00f5es electr\u00f3nicas.<\/p>\n<p>Por seu lado, o Regulamento (UE) n.\u00ba 910\/2014 do Parlamento Europeu e do Conselho, tamb\u00e9m conhecido como Regulamento eIDAS, estabelece um quadro jur\u00eddico para a identifica\u00e7\u00e3o eletr\u00f3nica e os servi\u00e7os de confian\u00e7a no mercado interno. Por outras palavras, define as regras para o com\u00e9rcio e as transac\u00e7\u00f5es electr\u00f3nicas a n\u00edvel da UE. Al\u00e9m disso, regulamenta o prestador de servi\u00e7os electr\u00f3nicos qualificado e de confian\u00e7a. Estamos acreditados como tal, sob a forma de entrega eletr\u00f3nica certificada.<\/p>\n<p>Esta legisla\u00e7\u00e3o \u00e9 diretamente aplic\u00e1vel em todos os Estados-Membros da UE.<\/p>\n<p>\u00c9 importante notar que a assinatura eletr\u00f3nica avan\u00e7ada deve cumprir os requisitos estabelecidos no Regulamento eIDAS para ser considerada v\u00e1lida e ter o mesmo valor jur\u00eddico que uma assinatura manuscrita. Este regulamento garante a interoperabilidade e a confian\u00e7a nas transac\u00e7\u00f5es electr\u00f3nicas em toda a Uni\u00e3o Europeia.<br \/>\n[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; el_id=&#8221;dos&#8221; css=&#8221;.vc_custom_1761755389770{margin-top: -100px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755396955{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Carater\u00edsticas da assinatura eletr\u00f3nica avan\u00e7ada<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text]O artigo 26.\u00ba do Regulamento eIDAS regula os requisitos das assinaturas electr\u00f3nicas avan\u00e7adas. Resume-os em:<\/p>\n<ul>\n<li>Deve vincular inequivocamente o signat\u00e1rio e permitir a identifica\u00e7\u00e3o do mesmo.<\/li>\n<li>E basear-se em &#8220;dados de autoria que o signat\u00e1rio pode utilizar, com um elevado n\u00edvel de confian\u00e7a, sob o seu controlo exclusivo&#8221;.<\/li>\n<li>Deve ser capaz de controlar que n\u00e3o sejam feitas altera\u00e7\u00f5es p\u00f3s-assinatura no processo.<\/li>\n<\/ul>\n<p>Este tipo de assinatura oferece vantagens claras em termos de seguran\u00e7a, taxas de convers\u00e3o, confian\u00e7a do utilizador, fiabilidade jur\u00eddica, possibilidades de integra\u00e7\u00e3o, agilidade nos processos de assinatura e garantia de inviolabilidade do documento assinado.<br \/>\n[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; el_id=&#8221;tres&#8221; css=&#8221;.vc_custom_1761755444562{margin-top: -100px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755452043{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Carater\u00edsticas da assinatura eletr\u00f3nica qualificada<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text]O quadro jur\u00eddico das assinaturas electr\u00f3nicas inclui as assinaturas electr\u00f3nicas qualificadas. Trata-se de uma categoria especial de assinatura eletr\u00f3nica que cumpre os requisitos adicionais estabelecidos no Regulamento eIDAS, que estabelece: &#8220;Uma assinatura eletr\u00f3nica qualificada tem um efeito jur\u00eddico equivalente ao de uma assinatura manuscrita&#8221;.<\/p>\n<p>A assinatura eletr\u00f3nica qualificada tem um elevado n\u00edvel de seguran\u00e7a e, tal como a assinatura avan\u00e7ada, \u00e9 tamb\u00e9m emitida por um prestador de servi\u00e7os de confian\u00e7a qualificado. Da mesma forma, esta assinatura \u00e9 capaz de garantir a identidade do signat\u00e1rio.<\/p>\n<p>\u00c9 a assinatura eletr\u00f3nica que oferece a maior garantia jur\u00eddica e exige a maior garantia para a sua utiliza\u00e7\u00e3o:<\/p>\n<ul>\n<li>O signat\u00e1rio deve possuir um certificado digital oficial ou uma identifica\u00e7\u00e3o eletr\u00f3nica (com o respetivo leitor).<\/li>\n<li>Que a solu\u00e7\u00e3o de processamento incorpora sistemas que podem processar os dados envolvidos na assinatura.<\/li>\n<\/ul>\n<p>As assinaturas electr\u00f3nicas oferecem vantagens como a presun\u00e7\u00e3o de validade jur\u00eddica, um n\u00edvel extraordinariamente elevado de confian\u00e7a entre as partes e, por vezes, a sua utiliza\u00e7\u00e3o obrigat\u00f3ria nas rela\u00e7\u00f5es electr\u00f3nicas com as administra\u00e7\u00f5es p\u00fablicas.<\/p>\n<p>Por outro lado, h\u00e1 que ter em conta que se trata de uma assinatura complexa que, para a sua integra\u00e7\u00e3o e utiliza\u00e7\u00e3o, requer a participa\u00e7\u00e3o de um fornecedor especializado, como o MailComms Group, que oferece garantias na implementa\u00e7\u00e3o e assegura a sua validade em qualquer momento.<br \/>\n[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; el_id=&#8221;cuatro&#8221; css=&#8221;.vc_custom_1761755478530{margin-top: -100px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755486923{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Pol\u00edtica de assinaturas<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text]A implementa\u00e7\u00e3o de uma pol\u00edtica de assinatura \u00e9 essencial para garantir a seguran\u00e7a e a validade da assinatura eletr\u00f3nica avan\u00e7ada. Esta pol\u00edtica define os procedimentos e normas a seguir quando se utilizam assinaturas electr\u00f3nicas numa organiza\u00e7\u00e3o.<\/p>\n<p>A pol\u00edtica de assinaturas deve abranger aspectos como a autentica\u00e7\u00e3o do signat\u00e1rio, a integridade do documento assinado, a confidencialidade da informa\u00e7\u00e3o e os requisitos t\u00e9cnicos necess\u00e1rios para a gera\u00e7\u00e3o e verifica\u00e7\u00e3o da assinatura eletr\u00f3nica. Respeita rigorosamente o regulamento eIDAS e a Lei 6\/2020 para garantir a sua validade na atividade quotidiana, em caso de reclama\u00e7\u00e3o e em caso de lit\u00edgio.<br \/>\n[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; el_id=&#8221;cinco&#8221; css=&#8221;.vc_custom_1761755498746{margin-top: -100px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755510051{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Sistema Nacional de Interoperabilidade (SNI)<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text]O Esquema Nacional de Interoperabilidade (ENI) \u00e9 um quadro regulamentar que estabelece os crit\u00e9rios e as normas para garantir a interoperabilidade dos sistemas e servi\u00e7os electr\u00f3nicos na Administra\u00e7\u00e3o P\u00fablica em Espanha.<\/p>\n<p>O ENI inclui a regulamenta\u00e7\u00e3o das assinaturas electr\u00f3nicas avan\u00e7adas e estabelece os requisitos t\u00e9cnicos e de seguran\u00e7a a cumprir pelos prestadores de servi\u00e7os de confian\u00e7a para garantir a validade e a integridade das assinaturas electr\u00f3nicas na esfera p\u00fablica.<br \/>\n[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; el_id=&#8221;seis&#8221; css=&#8221;.vc_custom_1761755519978{margin-top: -100px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755527659{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Regime Nacional de Seguran\u00e7a (ENS)<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text]O <a href=\"https:\/\/mailcommsgroup.com\/pt\/nos\/certificacoes\/\" target=\"_blank\" rel=\"noopener\">Sistema Nacional de Seguran\u00e7a (SNS<\/a> ) \u00e9 um conjunto de medidas e pol\u00edticas de seguran\u00e7a a adotar pelas administra\u00e7\u00f5es p\u00fablicas e pelos fornecedores de servi\u00e7os electr\u00f3nicos para proteger a informa\u00e7\u00e3o e os sistemas.<\/p>\n<p>A ENS inclui crit\u00e9rios de seguran\u00e7a relacionados com assinaturas electr\u00f3nicas avan\u00e7adas, como a autentica\u00e7\u00e3o de signat\u00e1rios, a prote\u00e7\u00e3o de chaves criptogr\u00e1ficas e a gest\u00e3o de certificados digitais.<\/p>\n<p>Na MailComms, obtivemos a certifica\u00e7\u00e3o ENS de n\u00edvel m\u00e9dio depois de passarmos por uma auditoria complexa do Centro Nacional de Criptologia. Esta certifica\u00e7\u00e3o descreve os nossos sistemas como optimizados em todos os aspectos de seguran\u00e7a, ciberseguran\u00e7a e privacidade da informa\u00e7\u00e3o, e \u00e9 combinada com as normas ISO 27001 e ISO 27701, que tamb\u00e9m possu\u00edmos.<br \/>\n[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; el_id=&#8221;siete&#8221; css=&#8221;.vc_custom_1761755610290{margin-top: -100px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755605427{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Notas pol\u00edticas adicionais<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text]Para al\u00e9m da Lei 6\/2020 e do Regulamento eIDAS, existem outras notas normativas que complementam a base jur\u00eddica das assinaturas electr\u00f3nicas avan\u00e7adas. Estes resumos de pol\u00edticas podem incluir disposi\u00e7\u00f5es sectoriais espec\u00edficas ou aspectos t\u00e9cnicos relacionados com a seguran\u00e7a das assinaturas electr\u00f3nicas.<\/p>\n<p>\u00c9 importante consultar estas notas de pol\u00edtica adicionais para garantir o cumprimento de todos os requisitos legais e t\u00e9cnicos ao utilizar assinaturas electr\u00f3nicas avan\u00e7adas.<br \/>\n[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; el_id=&#8221;ocho&#8221; css=&#8221;.vc_custom_1761755825099{margin-top: -100px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755815707{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Assinaturas electr\u00f3nicas: como escolher um fornecedor<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text]Ao procurar um fornecedor para implementar um processo de assinatura eletr\u00f3nica, h\u00e1 alguns pontos que qualquer empresa deve ter em conta. O fornecedor tem de:<\/p>\n<ul>\n<li>S\u00ea rigoroso no cumprimento do regulamento eIDAS.<\/li>\n<li>Ter acredita\u00e7\u00e3o como <a href=\"https:\/\/mailcommsgroup.com\/pt\/blog\/somos-um-prestador-de-servicos-fiavel-qualificado-em-entregas-electronicas-certificado-queres-saber-o-que-isso-significa\/\" target=\"_blank\" rel=\"noopener\">prestador qualificado de servi\u00e7os de confian\u00e7a<\/a>. Isto faz a diferen\u00e7a em termos de seguran\u00e7a e de garantia jur\u00eddica.<\/li>\n<li>Oferecer-te uma solu\u00e7\u00e3o que te permite assinar documentos com um certificado digital e uma <a href=\"https:\/\/mailcommsgroup.com\/pt\/recrutamento-eletronica\/firma-eletronica\/\" target=\"_blank\" rel=\"noopener\">assinatura eletr\u00f3nica<\/a>.<\/li>\n<li>E diferentes possibilidades de <a href=\"https:\/\/mailcommsgroup.com\/pt\/identificacao-certificada-digital\/autenticacao-de-identidade\/\" target=\"_blank\" rel=\"noopener\">autentica\u00e7\u00e3o<\/a> e<a href=\"https:\/\/mailcommsgroup.com\/pt\/digital-digital-certified-identification\/verificacao-de-identidade\/\" target=\"_blank\" rel=\"noopener\"> verifica\u00e7\u00e3o da identidade digital<\/a>.<\/li>\n<li>Recolhe as provas e guarda-as durante o tempo necess\u00e1rio num ambiente seguro.<\/li>\n<li>Garante a integridade e a inviolabilidade dos documentos envolvidos no processo de assinatura.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_empty_space height=&#8221;120px&#8221; el_id=&#8221;nueve&#8221; css=&#8221;.vc_custom_1761755810266{margin-top: -100px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755730243{padding-top: 15px !important;padding-right: 15px !important;padding-bottom: 15px !important;padding-left: 15px !important;background-color: #46d6ac !important;}&#8221;]<\/p>\n<h2 style=\"margin-top: 0px\"><strong>Conclus\u00e3o<\/strong><\/h2>\n<p>[\/vc_column_text][vc_column_text css=&#8221;&#8221;]Em conclus\u00e3o, as assinaturas electr\u00f3nicas avan\u00e7adas s\u00e3o apoiadas por uma base jur\u00eddica e regulamentar s\u00f3lida que garante a sua validade e seguran\u00e7a. A Lei 6\/2020 e o Regulamento eIDAS estabelecem os requisitos e as normas necess\u00e1rias para garantir a autenticidade, a integridade e a confidencialidade dos documentos electr\u00f3nicos e das transac\u00e7\u00f5es em linha. A implementa\u00e7\u00e3o de pol\u00edticas de assinatura, o cumprimento dos crit\u00e9rios ENI e ENS e o acompanhamento de notas normativas adicionais s\u00e3o aspectos fundamentais para maximizar os benef\u00edcios das assinaturas electr\u00f3nicas avan\u00e7adas.  <\/p>\n<p>Se est\u00e1s interessado neste conte\u00fado, convidamos-te a ler tamb\u00e9m o nosso artigo sobre os diferentes <a href=\"https:\/\/mailcommsgroup.com\/pt\/blog\/tipos-de-certificados-digitais\/\">tipos de certificados digitais<\/a> e as suas utiliza\u00e7\u00f5es.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_single_image image=&#8221;23056&#8243; img_size=&#8221;full&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;80px&#8221; css=&#8221;.vc_custom_1761755351194{margin-top: -70px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1761755264276{padding-top: 50px !important;padding-right: 50px !important;padding-bottom: 50px !important;padding-left: 50px !important;background-color: #F2F2F2 !important;}&#8221;]\u00cdndice Base jur\u00eddica para as assinaturas electr\u00f3nicas avan\u00e7adas: legisla\u00e7\u00e3o aplic\u00e1vel Carater\u00edsticas da assinatura eletr\u00f3nica avan\u00e7ada Carater\u00edsticas da assinatura eletr\u00f3nica qualificada Pol\u00edtica de assinaturas Sistema Nacional de Interoperabilidade (SNI) Regime Nacional de Seguran\u00e7a (ENS) Notas pol\u00edticas adicionais Assinaturas electr\u00f3nicas: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23056,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[628],"class_list":["post-23281","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-assinatura-eletronica"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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