1. A method for encrypting data packets in a multimedia stream, each data packet comprising a header portion and a payload portion, the method comprising:
selecting one or more data packets from an incoming multimedia stream;
selecting at least one of a header portion and a payload portion within the one or more data packets; and
encrypting at least one region in the selected at least one of the header portion and the payload portion using an encryption algorithm.
2. The method of claim 1, wherein encrypting the at least one region in the at least one selected portion using the encryption algorithm comprises at least one of:
encrypting at least one region in the header portion within the one or more data packets; and
encrypting at least one region in the payload portion within the one or more data packets, such that the one or more data packets cannot be utilized using unencrypted regions in the associated payload portion.
3. The method of claim 1, further comprising:
embedding encryption information associated with the one or more data packets in the multimedia stream to enable decryption by a receiving unit.
4. The method of claim 3, wherein embedding the encryption information associated with the at least, one encrypted region in the multimedia stream comprises:
adding a custom stream to the multimedia stream; and
embedding the encryption information associated with the one or more data packets in packets associated with the custom stream.
5. The method of claim 4, wherein the packets associated with the custom stream are added before each of the selected one or more data packets.
6. The method of claim 3, wherein the encryption information comprises information selected from the group consisting of the at least one selected portion, start of the at least one encrypted region, size of the at least one encrypted region, an encryption algorithm and key information (KI) associated with encryption keys used to encrypt the at least one region.
7. The method of claim 1, wherein the one or more data packets are selected from the group consisting of a video packet, an audio packet, a closed caption data packet, an image packet and a metadata packet.
8. The method of claim 1, wherein the encryption algorithm comprises a symmetric encryption algorithm.
9. The method of claim 1, wherein the at least one region in each of the one or more data packets is encrypted using same or different encryption keys.
10. The method of claim 1, wherein the at least one region in each of the one or more data packets is encrypted using same or different encryption algorithms.
11. A system for encrypting data packets in a multimedia stream, each data packet comprising a header portion and a payload portion, the system comprising:
a key sever; and
a transmitting unit communicatively connected to the key server; wherein the transmitting unit comprises a multimedia stream encryption engine to:
select one or more data packets from an incoming multimedia stream;
select at least one of a header portion and a payload portion within the one or more data packets;
obtain one or more encryption keys from the key server; and
encrypt at least one region in the selected at least one of the header portion and the payload portion using an encryption algorithm.
12. The system of claim 11, wherein the multimedia stream encryption module is configured to perform at least one of:
encrypting at least one region in the header portion within the one or more data packets; and
encrypting at least one region in the payload portion within the one or more data packets, such that the one or more data packets cannot be utilized using unencrypted regions in the associated payload portion.
13. The system of claim 11, wherein the multimedia stream encryption module is further configured to:
embed encryption information associated with the one or more data packets in the multimedia stream to enable decryption by a receiving unit.
14. The system of claim 13, wherein the multimedia stream encryption module is configured to:
add a custom stream to the multimedia stream; and
embed the encryption information associated with the one or more data packets in packets associated with the custom stream.
15. The system of claim 14, wherein the packets associated with the custom stream are added before each of the selected one or more data packets.
16. The system of claim 13, wherein the encryption information comprises information selected from the group consisting of the at least one selected portion, start of the at least one encrypted region, size of the at least one encrypted region, an encryption algorithm and key information (KI) associated with encryption keys used to encrypt the at least one region.
17. The system of claim 11, wherein the key server comprises a key generation module to:
generate the one or more encryption keys for each of the one or more data packets.
18. The system of claim 11, wherein the one or more data packets are selected from the group consisting of a video packet, an audio packet, a closed caption data packet, an image packet and a metadata packet.
19. A non-transitory computer-readable storage medium including instructions executable by a computing device to:
select one or more data packets from an incoming multimedia stream;
selecting at least one of a header portion and a payload portion within the one or more data packets; and
encrypting at least one region in the selected at least one of the header portion and the payload portion using an encryption algorithm.
20. The non-transitory computer-readable storage medium of claim 19, wherein encrypting the at least one region in the at least one selected portion using the encryption algorithm comprises at least one of:
encrypting at least one region in the header portion within the one or more data packets; and
encrypting at least one region in the payload portion within the one or more data packets, such that the one or more data packets cannot be utilized using unencrypted regions in the associated payload portion.
21. The non-transitory computer-readable storage medium of claim 19, further comprising:
embedding encryption information associated with the one or more data packets in the multimedia stream to enable decryption by a receiving unit.
22. The non-transitory computer-readable storage medium of claim 21, wherein embedding the encryption information associated with the at least one encrypted region in the multimedia stream comprises:
adding a custom stream to the multimedia stream; and
embedding the encryption information associated with the one or more data packets in packets associated with the custom stream.
23. The non-transitory computer-readable storage medium of claim 22, wherein the packets associated with the custom stream are added before each of the selected one or more data packets.
24. The non-transitory computer-readable storage medium of claim 21, wherein the encryption information comprises information selected from the group consisting of the at least one selected portion, start of the at least one encrypted region, size of the at least one encrypted region, an encryption algorithm and key information (KI) associated with encryption keys used to encrypt the at least one region.
25. The non-transitory computer-readable storage medium of claim 19, wherein the one or more data packets are selected from the group consisting of a video packet, an audio packet, a closed caption data packet, an image packet and a metadata packet.
26. The non-transitory computer-readable storage medium of claim 19, wherein the encryption algorithm comprises a symmetric encryption algorithm.
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. A charcoal igniting device comprising:
an envelope having an envelope height and an envelope width, the envelope height being greater than the envelope width, the envelope having;
an envelope sidewall defining a series of holes;
an upper envelope rim; and
a lower envelope rim;
a chimney disposed co-axially within the envelope, the chimney having;
an n-faceted sidewall impregnated with wax;
an upper chimney rim;
an ignition element disposed proximate the upper chimney rim; and
a lower chimney rim; and
a base defining a series of holes, the base having an outer base perimeter mated to the lower envelope rim and an inner base perimeter mated to the lower chimney rim.
2. The charcoal igniting device according to claim 1, wherein the chimney is shaped as a frustum of a hexagonal pyramid.
3. The charcoal igniting device according to claim 1, wherein the chimney includes a fiber-based paperboard.
4. The charcoal igniting device according to claim 1, further comprising an envelope volume defined by an interior of the envelope sidewall, an upper surface of the base, and an exterior surface of the sidewall, wherein in response to ignition of the ignition element, the wax impregnated sidewall burns and draws air upwardly through the chimney and inwardly and upwardly through the series of holes in the sidewall and wherein a flame front proceeds in an inverted cone downwardly through a supply of charcoal disposed in the envelope volume.
5. The charcoal igniting device according to claim 4, wherein the supply of charcoal is about 0.5 kilograms (Kg) to about 4 Kg.
6. The charcoal igniting device according to claim 1, wherein the chimney further comprises:
a tab;
a slot to receive the tab; and
an opening configured to allow the tab to pass through the sidewall.
7. The charcoal igniting device according to claim 1, further comprising:
a wrapper encasing the envelope.
8. The charcoal igniting device according to claim 7, further comprising:
a handle disposed on an upper surface of the wrapper, the handle having a storage conformation being in a plane substantially parallel to a plane described by the upper envelope rim.
9. The charcoal igniting device according to claim 7, further comprising:
a tear away opener to release the wrapper from the envelope.
10. The charcoal igniting device according to claim 1, wherein the ignition element includes a series of slits cut into the upper chimney rim.
11. In a charcoal igniting device comprising:
a container, the container having a container sidewall, an upper container rim, and a lower container rim;
a chimney disposed co-axially within the container, the chimney having a chimney sidewall, an upper chimney rim, and a lower chimney rim;
a base defining:
an outer base perimeter mated to the lower container rim; and
a centrally located orifice having an edge mated to the lower chimney rim, wherein a container volume is defined by the container sidewall, the base, and an exterior surface of the cone sidewall;
the improvement comprising:
a series of holes defined by the container sidewall to facilitate an ingress of air therein;
wherein the chimney is an n-faceted frustum;
a plurality of tabs and corresponding mating slots to retain an assembled shape of the container and chimney;
a supply of wax impregnated in the chimney sidewall to provide a fuel to ignite the supply of charcoal; and
an ignition element disposed on the upper chimney rim, wherein in response to ignition of the ignition element, the wax impregnated chimney sidewall burns and draws air upwardly through the chimney and inwardly and upwardly through the series of holes in the container sidewall, and a flame front proceeds in an inverted cone downwardly through the container volume.
12. The improved charcoal igniting device according to claim 11, wherein the chimney includes a fiber-based paperboard.
13. The improved charcoal igniting device according to claim 11, wherein the chimney includes a frustum of a hexagonal pyramid.
14. The improved charcoal igniting device according to claim 11, wherein the supply of charcoal is about 1 Kg to about 2 Kg.
15. The improved charcoal igniting device according to claim 11, further comprising:
a wrapper incasing the outer container.
16. The improved charcoal igniting device according to claim 15, further comprising:
a handle disposed on an upper surface of the wrapper, the handle having a storage conformation being in a plane substantially parallel to a plane described by the upper container rim.
17. The improved charcoal igniting device according to claim 15, further comprising:
a tear away opener to release the wrapper from the outer container.
18. The improved charcoal igniting device according to claim 11, further comprising:
a series of holes disposed through the base to facilitate an ingress of air into the container volume.
19. The improved charcoal igniting device according to claim 11, wherein the ignition element includes a series of slits cut into the upper chimney rim.
20. A method of fabricating a charcoal igniting device, the method comprising:
generating an envelope from a envelope pattern, the envelope including mating tabs and corresponding slots to retain the envelope in an assembled shape;
generating an n-faceted frustum from a frustum pattern, wherein the frustum includes an ignition element disposed at an upper opening of the frustum;
infusing the frustum with wax;
affixing a bottom panel to the envelope, the bottom panel including an outer diameter corresponding to a bottom rim of the envelope, the bottom panel including an inner orifice having a diameter corresponding to a width of a lower rim of the frustum; and
affixing the lower rim of the frustum to the inner orifice of the bottom panel.
21. The method according to claims 20, further comprising:
inserting a plurality of tabs into a corresponding plurality of slot to retain the envelope in a predetermined shape.
22. The method according to claim 20, further comprising:
filling the charcoal igniting device with charcoal.
23. The method according to claim 22, further comprising:
incasing the filled charcoal igniting device with a wrapper.