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About This Item
Full Description
The specification for TEA4 consists of the following three parts:
Part 1: Algorithm specification;The procedures described in the present document apply to Parts 1 and 2 of the specifications. Parts 1 and 2 are confidential for each of the algorithms.
Part 2: Design conformance test data;
Part 3: Algorithm input/output test data.
Part 3 of each of the specifications is not confidential and can be obtained directly from the TEA4 Custodian (see clause 5.3). There are no restrictions on the distribution of this part of the specifications.
The management structure is defined in clause 4. This structure is defined in terms of the principals involved in the management of the TEA4 (ETSI, ETSI PROJECT TETRA, TEA4 Custodian and approved recipients) together with the relationships and interactions between them.
The procedures for delivering the TEA4 to approved recipients are defined in clause 5. This clause is supplemented by annex A which specifies the items which are to be delivered.
Clause 6 is concerned with the criteria for approving an organization for receipt of the TEA4 and with the responsibilities of an approved recipient. This clause is supplemented by annex B which contains a Confidentiality and Restricted Usage Undertaking to be signed by each approved recipient.
Clause 7 is concerned with the appointment and responsibilities of the TEA4 Custodian. Furthermore in this clause the temporary role of the Interim Custodian is described.
Document History
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ETSI TR 101 053-4
viewing
Security Algorithms Group of Experts (SAGE); Rules for the management of the TETRA standard encryption algorithms; Part 4: TEA4- Most Recent
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ETSI TR 101 053-4
Security Algorithms Group of Experts (SAGE); Rules for the management of the TETRA standard encryption algorithms; Part 4: TEA4- Historical Version