Communication with non-repudiation
AssigneeNovell, Inc.
InventorsGosukonda Naga Venkata Satya Sudhakar, Stephen R. Carter
Life of this patent
Estimating the term…
Abstract
Apparatus, systems, and methods may operate to compare a first hashed value of at least a first decryption key, the first decryption key received from a sender, to a second hashed value of at least a second decryption key that has been received as a signed value from a receiver. Further operations may include sending the first decryption key to the receiver and sending the signed value to the sender upon determining that the first hashed value matches the second hashed value. Additional apparatus, systems, and methods are disclosed.
Claims24
A method comprising:
- comparing a first hashed value of at least a first decryption key, the first decryption key received from a sender, to a second hashed value of at least a second decryption key that has been received as a signed value from a receiver;
- and
- sending the first decryption key to the receiver and sending the signed value to the sender upon determining that the first hashed value matches the second hashed value to verify that the first decryption key is the same as the second decryption key.
A method comprising:
- sending a signed hashed value of an encrypted message from a receiver to a sender;
- receiving, at the receiver, a hashed value of a decryption key;
- signing the hashed value of the decryption key to provide a signed version of the hashed value of the decryption key;
- and
- sending the signed version to a trusted third party.
An apparatus comprising:
- one or more processors;
- a memory to store an encrypted message and instructions which, when executed by the one or more processors, results in the one or more processors operating to send a signed hashed value of the encrypted message to a sender, to receive a hashed value of a decryption key, to sign the hashed value of the decryption key to provide a signed version of the hashed value of the decryption key, and to send the signed version to a trusted third party;
- and
- a display device to display a decrypted form of the encrypted message in human-perceptible format.
A machine-readable medium having instructions stored thereon that, when executed by a machine, cause the machine to perform a method comprising:
- comparing a first hashed value of at least a first decryption key, the first decryption key received from a sender, to a second hashed value of at least a second decryption key that has been received as a signed value from a receiver;
- and
- sending the first decryption key to the receiver and sending the signed value to the sender upon determining that the first hashed value matches the second hashed value to verify that the first decryption key is the same as the second decryption key.
Dependencies are inferred from the claim text.