Series encryption in a quantum cryptographic system
First Claim
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1. A method, comprising:
- obtaining first encryption key material using quantum cryptographic mechanisms;
obtaining second encryption key material using non-quantum cryptographic mechanisms;
encrypting data using the first encryption key material to produce first encrypted data; and
encrypting the first encrypted data using the second encryption key material to produce second encrypted data.
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Abstract
A system obtains first encryption key material using quantum cryptographic mechanisms and obtains second encryption key material using non-quantum cryptographic mechanisms. The system encrypts data using the first encryption key material to produce first encrypted data and encrypts the first encrypted data using the second encryption key material to produce second encrypted data.
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Citations
19 Claims
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1. A method, comprising:
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obtaining first encryption key material using quantum cryptographic mechanisms;
obtaining second encryption key material using non-quantum cryptographic mechanisms;
encrypting data using the first encryption key material to produce first encrypted data; and
encrypting the first encrypted data using the second encryption key material to produce second encrypted data. - View Dependent Claims (2, 3)
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4. A system, comprising:
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a device configured to obtain first encryption key material using quantum cryptographic mechanisms;
a first encryptor configured to encrypt data using the first encryption key material to produce first encrypted data;
a second encryptor configured to;
obtain second encryption key material using non-quantum cryptographic mechanisms, and encrypt the first encrypted data using the second encryption key material to produce second encrypted data.
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5. A system, comprising:
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a first encryptor configured to;
obtain first encryption key material using non-quantum cryptographic mechanisms, and encrypt data using the first encryption key material to produce first encrypted data; and
a device configured to obtain second encryption key material using quantum cryptographic mechanisms; and
a second encryptor configured to encrypt the first encrypted data using the second encryption key material to produce second encrypted data.
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6. A method, comprising:
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obtaining first encryption key material using non-quantum cryptographic mechanisms;
obtaining second encryption key material using quantum cryptographic mechanisms;
encrypting data using the first encryption key material to produce first encrypted data; and
encrypting the first encrypted data using the second encryption key material to produce second encrypted data.
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7. A method, comprising:
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communicating a sequence of encryption key symbols between endpoints via a quantum channel using quantum cryptographic mechanisms;
obtaining first encryption key material using non-quantum cryptographic mechanisms; and
discussing the sequence of encryption key symbols via a non-quantum channel to obtain second encryption key material that comprises a subset of the sequence of encryption key symbols, wherein the discussion is encrypted using the first encryption key material. - View Dependent Claims (8, 9)
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10. A system, comprising:
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an encryptor configured to obtain first encryption key material using non-quantum cryptographic mechanisms;
a first quantum cryptographic key distributor configured to;
communicate a sequence of encryption key symbols to or from a second quantum cryptographic key distributor using quantum cryptographic mechanisms via a quantum channel, and discuss the sequence of encryption key symbols with the second quantum cryptographic key distributor via a non-quantum channel to obtain second encryption key material that comprises a subset of the sequence of encryption key symbols, wherein the encryptor is further configured to encrypt the discussion using the first encryption key material.
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11. A method, comprising:
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discussing, over a network, a sequence of symbols obtained using quantum cryptographic mechanisms to derive first encryption key material; and
communicating traffic over the network based on the first encryption key material, wherein the communicated traffic is cryptographically isolated from the discussion. - View Dependent Claims (12, 13)
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14. A system, comprising:
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a first encryptor configured to obtain first encryption key material using quantum cryptographic techniques; and
a second encryptor configured to obtain second encryption key material using non-quantum cryptographic techniques, wherein data is encrypted using the first encryptor and second encryptor connected in series. - View Dependent Claims (15, 16, 17)
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18. A system, comprising:
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an encryptor;
a device configured to;
derive encryption key material using quantum cryptographic techniques, and implement a key fill interface for injecting the encryption key material into the encryptor, wherein the key fill interface includes one of a DS-101 or DS-102 key fill interface.
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19. A system, comprising:
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means for obtaining first encryption key material using quantum cryptographic mechanisms;
means for obtaining second encryption key material using non-quantum cryptographic mechanisms;
means for encrypting data using the first encryption key material to produce first encrypted data; and
means for encrypting the first encrypted data using the second encryption key material to produce second encrypted data.
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Specification