Techniques for attesting to content
First Claim
Patent Images
1. A method, comprising:
- receiving content in a message from a sender;
acquiring a signed version of a message digest for the content;
validating the signed version of the message digest; and
processing policy in response to validating the signed version of the message digest.
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Abstract
Techniques for attesting to content received from an author (sender) are provided. A sender'"'"'s content is represented by a message digest. The message digest is signed by an identity service. The signed message digest represents an attestation as to the authenticity of the content from the sender. The sender transmits the signed message digest and content in a message to a recipient. The recipient verifies the signature and message digest to authenticate the content from the sender.
53 Citations
27 Claims
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1. A method, comprising:
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receiving content in a message from a sender;
acquiring a signed version of a message digest for the content;
validating the signed version of the message digest; and
processing policy in response to validating the signed version of the message digest. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method, comprising:
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submitting a message digest of content to an identity service or submitting the content, wherein if the content is submitted the identity service generates and supplies the message digest;
receiving an authorship attestation certification (AAC) from the identity service for the content; and
sending the content and the AAC to a recipient as a message. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method, comprising:
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receiving a message digest for content from a sender or receiving the content, and wherein if the content is received generating the message digest from the content;
generating a signature for the message digest;
supplying the signature and the message digest back to the sender, wherein the sender uses the message digest and the signature to attest to the authenticity of the content of the sender. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A system, comprising:
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an Authorship Attestation Certificate (AAC); and
an identity service, wherein the identity service is to create the AAC on behalf of a sender of content in response to a message digest for that content, and wherein the AAC is a signed copy of the message digest, signed by the identity service, and wherein the identity service is to supply the AAC back to the sender. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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Specification