Apparatus, Method, System and Program for Secure Communication
First Claim
Patent Images
1. A method for secure communication which comprises:
- sending a message over a secure signalling path to a recipient, the message comprising a value indicating a key for protecting information for secure communication, or a key derivation value for deriving at least one key for protecting information for secure communication, the message further comprising an indication indicating the type of usage of the value.
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Abstract
Embodiments provide an apparatus, method, product and storage medium for secure communication, wherein a message is sent over a secure signalling path to a recipient, the message including a value indicating a key for encrypting or decrypting information for secure communication, or a key derivation value for deriving a key. The message further includes an indication indicating the type of usage of the value. The receiver of the message may return a message which also includes a key or key derivation value and an indication indicating the type of key or type of usage of the value.
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Citations
24 Claims
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1. A method for secure communication which comprises:
- sending a message over a secure signalling path to a recipient, the message comprising a value indicating a key for protecting information for secure communication, or a key derivation value for deriving at least one key for protecting information for secure communication, the message further comprising an indication indicating the type of usage of the value.
- View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 23, 24)
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2. A method for secure communication, comprising receiving a message over a secure signalling path from a sender, the message comprising a value indicating a key for protecting information for secure communication, or a key derivation value for deriving at least one key for protecting information for secure communication, the message further comprising an indication indicating the type of usage of the value.
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12. An apparatus for secure communication, comprising:
- a sender configured to send a message over a secure signalling path to a recipient, the message comprising a value indicating a key for protecting information for secure communication, or a key derivation value for deriving at least one key for protecting information for secure communication, the message further comprising an indication indicating the type of usage of the value.
- View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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13. An apparatus for secure communication, comprising a receiver configured to receive a message over a secure signalling path from a sender, the message comprising a value indicating a key for protecting information for secure communication, or a key derivation value for deriving at least one key for protecting information for secure communication, the message further comprising an indication indicating the type of usage of the value.
Specification