System and method of lawful access to secure communications
US9871827B2 · kind B2 · utility
0Cited by
12References
17Claims
0Family size
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Key dates
| Filing date | Aug 1, 2016 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Aug 1, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to systems and methods for secure communications. In some aspects, a method of signalling an interception time period is described. At least one keying information used by a KMF to regenerate a key is stored. A start_interception message is signaled from an ADMF to a CSCF. A halt_message is signaled from the ADMF to the CSCF.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.