1. A system of encrypting plaintext information securely, comprising:
a transmitting agent comprising a central processing unit, a memory, and a transceiver to generate and synchronize a first cipher stream using the plaintext information and a first key, to generate and synchronize a second cipher stream using a second key and a randomizing function to randomize a controllable plaintext stream to form a second synchronized cipher stream, and to operate on the plurality of first and second cipher streams using an exclusive disjunction operator to obtain a ciphertext stream, the controllable plaintext stream being longer than the plaintext information; and
a receiving agent to decrypt the ciphertext stream.
2. The system of claim 1, wherein the transmitting agent processes the plaintext information and, where desired, decrypts a received ciphertext stream.
3. The system of claim 2, wherein the transceiver transmits the ciphertext stream and the controllable plaintext stream to the receiving agent separately.
4. The system of claim 1, wherein the system comprises a data entry station and a database server linked via a Wide Area NetworkLocal Area Network or a combination thereof.
5. A device to encrypt plaintext information securely comprising:
a data entry station comprising
a first cipher stream generator generating and synchronizing a first cipher stream using the plaintext information and a first key;
a second cipher stream generator generating and synchronizing a second cipher stream using a second key and a randomizing function to randomize and synchronize a controllable plaintext stream, the controllable plaintext stream being longer than the plaintext information; and
an exclusive disjunction operator operating on the first and second synchronized cipher streams to obtain a ciphertext stream.
6. The device of claim 5, wherein the first cipher stream generator comprises:
a block cipher encryption unit arranged to generate and synchronize the first cipher stream upon input of the plaintext information and the first key, wherein the block cipher encryption unit comprises one of:
a block cipher encryption device to generate the first cipher stream and a first synchronization unit to synchronize the first cipher stream; or
a block cipher encryptionsynchronization unit that generates and synchronizes the first cipher stream.
7. The device of claim 5, wherein the second cipher stream generator comprises:
a random function generator arranged to randomize, then synchronize, the controllable plaintext stream upon input of the second key and the controllable plaintext stream to output the second cipher stream, wherein the random function generator comprises one of:
a random function generator device to randomize the controllable plaintext stream and a second synchronization unit to synchronize the randomized second cipher stream; or
a random function generatorsynchronization unit that randomizes and then synchronizes the second cipher stream.
8. The device of claim 5, wherein the exclusive disjunction operator is an exclusive OR logical operator.
9. A method to encrypt plaintext information securely, comprising:
generating and synchronizing a first cipher stream using the plaintext information and a first key with a computer processor;
generating and synchronizing a second cipher stream using a second key and a randomizing function to randomize a controllable plaintext stream to form a second cipher stream, the controllable plaintext stream being longer than the plaintext information; and
operating on the plurality of synchronized first and second cipher streams using an exclusive disjunction operator to obtain a ciphertext stream.
10. A method to encrypt plaintext information securely, comprising:
generating a plurality of synchronized cipher streams with a computer processor, wherein at least a first cipher stream is generated and synchronized by encrypting plaintext information using a first keyword and at least a second cipher stream is generated and synchronized by a random function operating on a controllable plaintext and a second keyword, the controllable plaintext being longer than the plaintext information; and
operating on the synchronized plurality of cipher streams using an exclusive disjunction operator to obtain a ciphertext stream.
11. A non-transitory computer readable storage medium having recorded thereon computer readable instructions causing a computer processor to encrypt plaintext information securely, the computer readable instructions comprising:
generating and synchronizing a first cipher stream using the plaintext information and a first key with the computer processor;
randomizing and then synchronizing a second cipher stream formed from a controllable plaintext stream using a second key and a randomizing function, the controllable plaintext stream being longer than the plaintext information; and
operating on the synchronized plurality of first and second cipher streams using an exclusive disjunction operator to obtain a ciphertext stream.
12. A non-transitory computer readable storage medium having recorded thereon computer readable instructions causing a computer processor to encrypt plaintext information securely, the computer readable instructions comprising:
using an exclusive disjunction operator on the computer processor to generate a ciphertext stream from
a first cipher stream generated and synchronized from the plaintext information and a first key, and
a second cipher stream randomized and then synchronized from a controllable plaintext stream using a second key and a randomizing function, the controllable plaintext stream being longer than the plaintext information.
13. A non-transitory computer readable storage medium having recorded thereon computer readable instructions causing a computer processor to encrypt plaintext information securely, the computer readable instructions comprising:
generating a synchronized plurality of cipher streams with the computer processor, wherein at least a first synchronized cipher stream is generated by encrypting plaintext information using a first keyword and at least a second synchronized cipher stream is generated by a random function operating on a controllable plaintext and a second keyword, the controllable plaintext being longer than the plaintext information; and
operating on the synchronized plurality of cipher streams using an exclusive disjunction operator to obtain a ciphertext stream.
14. A method of encrypting plaintext information securely, comprising:
assigning a first keyword K1, a second keyword K2, a controllable plaintext stream F, and a randomizing function R to user input;
sending K1, K2, F and R to a receiving agent via a secure mode; and
encrypting a plaintext stream using K1, K2, F and R in accordance with a predetermined scheme to form a ciphertext stream and transmitting the ciphertext stream to the receiving agent,
wherein encrypting a plaintext stream using K1, K2, F and R in accordance with a predetermined scheme comprises:
using a block cipher and K1 to convert the plaintext stream into a first cipher stream;
randomizing F using R to form a second cipher stream;
synchronizing the first cipher stream and the second cipher stream; and
operating on the synchronized first and second cipher streams using an exclusive disjunction operator to obtain a ciphertext stream.
15. The method of claim 14, further including using a vector function to provide header information to the ciphertext stream from the synchronized first cipher stream.
16. The method of claim 14, further including using a vector function to operate on the synchronized second cipher stream to provide header information to the ciphertext stream.
17. A method of decrypting plaintext information encrypted in accordance with claim 14, comprising:
using K1, K2, F and R in a reverse process of claim 14 to decrypt the ciphertext stream.
18. The method of claim 14, wherein the method is implemented in one of the following transactions:
a credit card transaction, a cash machine transaction, a charging transaction on the Internet, or an on-line banking transaction.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-21. (canceled)
22. A method for transport of toner material from a reservoir arrangement, comprising the steps of:
providing the reservoir arrangement containing the toner material with a removal opening for removal of the toner material;
transporting the toner material away from the removal opening with aid of a tube-shaped conduit connected at least with the removal opening, the toner material being transported in the conduit via an air current;
generating a negative pressure relative to environment pressure at the removal opening via the air current in the conduit;
providing the reservoir arrangement with at least one air-permeable and toner-tight region through which air is sucked into the reservoir arrangement upon application of the negative pressure; and
partitioning at least the air-permeable and toner-tight region airtight from the environment, environment air being supplied to the partitioned region via a dosing nozzle.
23. A method according to claim 22 wherein the reservoir arrangement comprises a toner reservoir and a sealing device.
24. A method according to claim 22 wherein the air current in the conduit is generated via at least one of a negative pressure and via an overpressure respectively applied at one end of the conduit.
25. A method according to claim 22 wherein the air-permeable section is arranged in proximity to the removal opening.
26. A method according to claim 22 wherein air is drawn into the toner material through the air-permeable section via the air current, whereby a toner material-air mixture is generated at least in one part of the reservoir arrangement with the aid of the supplied air.
27. A method according to claim 22 wherein the removal opening is arranged in a section of the reservoir arrangement lying at a lower part of a reservoir at a removal location.
28. A method according to claim 22 wherein the toner material slides towards the removal opening via reservoir walls arranged like a funnel.
29. A method according to claim 22 wherein the removal opening is arranged above a reservoir at a removal location, and the toner material is siphoned upwards through the reservoir.
30. A method according to claim 22 wherein the air-permeable section comprises at least one sinter material made from at least one of steel, iron and bronze.
31. A method according to claim 22 wherein the air-permeable section comprises at least one of a sieve and a filter unit.
32. A device for transport of toner material, comprising:
a reservoir arrangement that contains toner material that is removed from the reservoir arrangement via a removal opening;
a tube-shaped conduit connected at least with the removal opening and via which the toner material is transported away from the removal opening;
an air current in the conduit via which the toner material is transported through the conduit, the air current generating a negative pressure relative to environment pressure at the removal opening;
the reservoir arrangement having at least one air-permeable and toner-tight region through which air is sucked into the reservoir arrangement upon application of the negative pressure;
at least the air-permeable and toner-tight region being partitioned airtight from the environment; and
the partitioned region being supplied with environment air via a dosing nozzle.
33. A device according to claim 32 wherein the conduit for the transport of toner material comprises a first tube-shaped element whose wall is at least partially air-permeable, and
a second tube-shaped element inside which the first tube-shaped element is arranged, the second tube-shaped element being essentially airtight.
34. A device of claim 33 wherein the conduit comprises a separation present between the outer wall of the first tube-shaped element and the inner wall of the second tube-shaped element.
35. A device of claim 34 wherein the conduit comprises at least one spacer between the outer wall of the first tube-shaped element and the inner wall of the second tube-shaped element.
36. A device of claim 33 wherein the conduit comprises pressurized air supplied to the second tube-shaped element.
37. A device of claim 33 wherein the conduit comprises the pressurized air supplied to the second tube-shaped element being supplied into a separation between the first and second tube-shaped elements, the pressurized air entering into the inside of the first tube-shaped element through a wall of the first tube-shaped element.
38. A device of claim 33 wherein toner material is conveyed inside the first tube-shaped element.
39. A toner reservoir with a device to seal a toner reservoir, comprising:
a removal opening arranged in a lower section of a toner reservoir;
at least one section of the reservoir wall designed conical towards the removal opening;
a plug-shaped sealing element in the reservoir that has essentially a same conicity as at least one section of the reservoir wall;
the plug-shaped sealing element in a first position lying on the reservoir wall near the removal opening such that it seals the reservoir at the removal opening;
in a second position of the sealing element, a gap through which toner material present in the toner reservoir is removed is present between the canted reservoir wall and sealing element; and
the plug-shaped sealing element having facing the reservoir at least one air-permeable and toner-tight section through which pressurized air is supplied inside the reservoir.
40. A toner reservoir according to claim 39 wherein the sealing element is pushed against the inner side of the reservoir wall with aid of a spring force.
41. A toner reservoir according to claim 40 wherein the sealing element has an opening facing the removal opening through which pressurized air is supplied to the sealing element, and the sealing element facing the toner reservoir having at least one air-permeable section through which the supplied pressurized air is supplied into the inside of the toner reservoir, a free-flowing toner material-air mixture being generated at least in one region with the toner material present in the toner reservoir.
42. A toner reservoir according to claim 40 wherein a pressurized air connection element is present that in an operating state is connected airtight with the sealing element, the pressurized air connection element pushing the sealing element into the second position.
43. A method for transport of toner material from a reservoir arrangement, comprising the steps of:
providing the reservoir arrangement containing the toner material with a removal opening for removal of the toner material;
transporting the toner material away from the removal opening with aid of a conduit connected at least with the removal opening, the toner material being transported in the conduit via an air current;
generating a negative pressure relative to environment pressure at the removal opening via the air current in the conduit;
providing the reservoir arrangement with at least one air-permeable region through which air is sucked into the reservoir arrangement upon application of the negative pressure; and
partitioning at least the air-permeable and toner-tight region airtight from the environment, environment air being supplied to the partitioned region.
44. A toner reservoir for providing toner for a printer or copier, comprising:
a housing having a top surface with an aperture therein for removal of the toner; and
a bottom of the housing connecting to a discharge device, said discharge device having inner funnel-shaped walls which are air permeable and an outer wall with at least one aperture through which atmosphere enters.
45. A reservoir of claim 44 wherein a discharge tube is provided from said opening in the top of said housing down to a region where said funnel-shaped inner walls converge.
46. A reservoir of claim 44 wherein the housing and the outer wall are rectangular.
47. A reservoir of claim 44 wherein the outer wall has a first aperture adjacent to one of said permeable inner walls and another aperture adjacent to another of said permeable inner walls.
48. A reservoir of claim 44 wherein the bottom of the housing connects to said discharge device with a coupling device.
49. A toner reservoir for providing toner for a printer or copier, comprising:
a housing having a top surface with an aperture therein for removal of the toner; and
a bottom of the housing connecting to a discharge device, said discharge device having at least one inner wall which is air permeable and an outer wall with at least one aperture through which atmosphere enters.