1. A method for storing a security key in a mobile communication terminal, comprising the steps of:
generating the security key randomly;
encrypting the generated security key; and
storing the encrypted security key,
wherein encrypting the generated security key comprises:
converting the generated security key into a bit-format; and
spreading the bit-format security key by a Walsh code to generate random data, and
wherein storing the encrypted security key comprises storing the encrypted security key and a Walsh code index corresponding to the Walsh code within a character string that is stored in a memory of the mobile terminal.
2. An apparatus for storing a security key in a mobile communication terminal, comprising:
a controller for generating the security key randomly and encrypting the generated security key; and
a memory unit for storing the encrypted security key,
wherein the controller comprises:
a security key generator for generating the security key randomly; and
an encryptor for encrypting the generated security key,
wherein the encryptor encrypts the generated security key by converting the generated security key into a bit-format, and spreading the bit-format security key by a Walsh code to generate random data, and
wherein storing the encrypted security key comprises storing the encrypted security key and a Walsh code index corresponding to the Walsh code within a character string that is stored in a memory of the mobile terminal.
3. The apparatus of claim 2, wherein the encrypted security key is stored in a nonvolatile area of the memory unit.
4. A method for storing a control key for disabling personalization in a mobile communication terminal with a Subscriber Identity Module (SIM) card, comprising the steps of:
generating the control key randomly;
encrypting the generated control key; and
storing the encrypted control key,
wherein encrypting the generated control key comprises:
converting the generated control key into a bit-format; and
spreading the bit-format control key by a Walsh code to generate random data, and
wherein storing the encrypted control key comprises storing the encrypted control key and a Walsh code index corresponding to the Walsh code within a character string that is stored in a memory of the mobile terminal.
5. A method for disabling personalization in a mobile communication terminal with a Subscriber Identity Module (SIM) card, comprising the steps of:
detecting an encrypted control key that is stored and a character string for Walsh covering;
decrypting the encrypted control key using a Walsh code index contained in the character string;
comparing the decrypted control key with a control key contained in the character string; and
depersonalizing the personalization if the decrypted control key is identical to the control key contained in the character string,
wherein the encrypted control key is encrypted by a Walsh code spreading.
6. A mobile communication terminal for storing a security key comprising:
program process for generating the security key randomly;
means for encrypting the generated security key; and
means for storing the encrypted security key,
wherein the means for encrypting the generated security key includes means for converting the generated control key into a bit-format; and means for spreading the bit-format control key by a Walsh code to generate random data, and
wherein the means for storing the encrypted security key includes means for storing the encrypted security key and a Walsh code index corresponding to the Walsh code within a character string that is stored in a memory of the mobile terminal.
7. A mobile communication terminal with a Subscriber Identity Module (SIM) card for disabling personalization comprising:
software for identifying an encrypted control key that is stored and a character string for Walsh covering;
software for decrypting the encrypted control key using a Walsh code index contained in the character string; and
software for comparing the decrypted control key with a control key contained in the character string,
wherein the encrypted control key is encrypted by a Walsh code spreading.
8. The mobile communication terminal of claim 7, further comprising software for depersonalizing the personalization if the decrypted control key is identical to the control key contained in the character string.
9. The mobile communication terminal of claim 7, further comprising software for maintaining the personalization if the decrypted control key is not identical to the control key contained in the character string.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A method for forming a multilayer circuit structure, the method comprising:
aligning an aperture in a first circuit substrate and an aperture in a second circuit substrate, wherein the first circuit substrate is flexible;
inserting a tooth from a roller element into the aligned apertures of the first and the second circuit substrates;
rotating the roller element; and
laminating the first circuit substrate to the second circuit substrate.
2. The method of claim 1 wherein laminating the first circuit substrate to the second circuit substrate comprises laminating the first and second circuit substrates together with a material disposed between the first and second circuit substrates.
3. The method of claim 2 wherein the material comprises a dielectric material.
4. The method of claim 2 wherein the material comprises a conductive material.
5. The method of claim 2 wherein the material comprises solder.
6. The method of claim 1 wherein laminating the first circuit substrate to the second circuit substrate comprises passing the first and second circuit substrate through a nip formed by the roller element and a body.
7. The method of claim 6 wherein the body is has a flat surface.
8. The method of claim 6 wherein the body has a curved surface.
9. The method of claim 1 further comprising heating the first and second circuit substrates.
10. The method of claim 1 wherein laminating the first circuit substrate to the second circuit substrate comprises applying pressure to the first and second circuit substrates.
11. The method of claim 1 further comprising:
depositing a material on the second circuit substrate before laminating.
12. The method of claim 11 wherein the material is a liquid dielectric material.
13. The method of claim 11 wherein the material is a curable liquid dielectric material.
14. The method of claim 11 wherein the material is an adhesive film.
15. The method of claim 11 wherein the material is curable.
16. The method of claim 11 wherein the material comprises a dielectric layer having discrete conductive deposits therein to provide communication between the first and second circuit substrates.
17. The method of claim 1 wherein the first circuit substrate has plural apertures at opposite edge regions of the first circuit substrate.
18. The method of claim 1 wherein the first circuit substrate has plural apertures at opposing edge regions and the second circuit substrate has plural apertures at opposing edge regions, and wherein the apertures on the first circuit substrate and the apertures on the second circuit substrate are mirror images.
19. The method of claim 1 wherein the first circuit substrate comprises a flexible thermoplastic material.
20. The method of claim 1 wherein the second circuit substrate is rigid.