XML Encryption
W3C specification for XML element encryption From Wikipedia, the free encyclopedia
XML Encryption (XML-Enc) is a specification governed by a World Wide Web Consortium (W3C) recommendation, that defines how to encrypt the contents of an XML element.
Specification
Although XML Encryption can be used to encrypt any kind of data, it is nonetheless known as "XML Encryption" because an XML element (either an EncryptedData
or EncryptedKey
element) contains or refers to the cipher text, keying information, and algorithms.[1]
Both XML Signature and XML Encryption use the KeyInfo
element, which appears as the child of a SignedInfo
, EncryptedData
, or EncryptedKey
element and provides information to a recipient about what keying material to use in validating a signature or decrypting encrypted data.
The KeyInfo
element is optional: it can be attached in the message, or be delivered through a secure channel.
XML Encryption is different from and unrelated to Transport Layer Security (TLS), which is used to send encrypted messages (including XML content, both encrypted and otherwise) over the internet.
Jager & Somorovsky (2011) reported that this specification has severe security concerns. In response to this,[2] the specification of XML Encryption 1.1 published in 2013 included a Galois/Counter Mode block cypher algorithm.[3][clarification needed]
References
External links
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