M6.29 When validating digital 13.5 × signatures, consumers shall verify the content type and the digest contained in each <Reference> descendant element of the <SignedInfo> element, and validate the signature calculated using the <SignedInfo> element. M6.30 13.5 × M6.31 Streaming consumers that 13.5.1 × maintain signatures shall be able to cache the parts necessary for detecting and processing signatures. M6.32 The package implementer 13.6.2 × shall not use the Markup Compatibility namespace, as specified in Annex H, Namespaces and “Standard Content Types,” within the package-specific <Object> element. The package implementer shall consider the use of the Markup Compatibility namespace within the package-specific <Object> element to be an error.
M6.29 When validating digital signatures, consumers shall verify the content type and the digest contained in each <Reference> descendant element of the <SignedInfo> element, and validate the signature calculated using the <SignedInfo> element. 13.5 × M6.30 13.5 × M6.31 Streaming consumers that maintain signatures shall be able to cache the parts necessary for detecting and processing signatures. 13.5.1 × M6.32 The package implementer shall not use the Markup Compatibility namespace, as specified in Annex H, “Standard Namespaces and Content Types,” within the package-specific <Object> element. The package implementer shall consider the use of the Markup Compatibility namespace within the package-specific <Object> element to be an error. 13.6.2 ×
Office%20Open%20XML%20Part%202%20-%20Open%20Packaging%20Conventions.docx