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ETSI EG 201 057
- Telecommunications security; Trusted Third Parties (TTP); Requirements for TTP services
- standard by European Telecommunications Standards Institute, 07/01/1997
- Publisher: ETSI
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To describe the requirements for TTP services to safeguard the confidentiality of electronic information including key certification, key escrow/recovery, authentication, access control and non-repudiation services.
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