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CAdES (''CMS Advanced Electronic Signatures'') is a set of extensions to Cryptographic Message Syntax (CMS) signed data making it suitable for advanced electronic signature. ==Description== While CMS is a general framework for digitally signing documents such as email (S/MIME) or PDF, CAdES specifies precise profiles of CMS signed data for use with the European Union Electronic Signatures Directive. An important property of CAdES is that electronically signed documents can remain valid for long periods, even if the signer or verifying party later attempts to deny the validity of the signature. The main document describing the format is ETSI TS 101 733 Electronic Signature and Infrastructure (ESI) – CMS Advanced Electronic Signature (CAdES). The first issue of this TS is V1.2.2 (2000-12), the latest is V2.2.1 (2013-04). At the moment (April 2014th) there are activities on creating new CAdES standard. All documents could be found at (). The ETSI TS V.1.7.4 (2008-07) is technically equivalent to RFC 5126. RFC 5126 document builds on existing standards that are widely adopted. These includes * RFC 3852 : "Cryptographic Message Syntax (CMS)" * ISO/IEC 9594-8/ITU-T Recommendation X.509 "Information technology - Open Systems Interconnection - The Directory: Authentication framework" * RFC 3280 "Internet X.509 Public Key Infrastructure (PKIX) Certificate and Certificate Revocation List (CRL) Profile" * RFC 3161 "Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP)". 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「CAdES (computing)」の詳細全文を読む スポンサード リンク
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