Message Security Standards

Over the last decade, a number of different standards for messages protection have been developed. PKCS#7, PEM (Privacy Enhanced Mail), PGP (Pretty Good Privacy) and its variants, MOSS (MIME Object Security Services), different versions of S/MIME, XML Signature and XML Encryption are among the better known ones. However, not all of these enjoy the same level of adoption or have the same capabilities. In fact, some of these now have only historical significance. Others have been adopted in niche areas. We have already seen PKCS#7 used for storing certificate chains and certificate revocation lists in the chapter PKI with Java. PGP is widely used among non-business users to protect e-mail messages. S/MIME is supported ...

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