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specific and with a clearer semantic content. (BUGONI, RIVOLTA; 2007), (RIVOLTA; 2008),
(RIVOLTA; 2010)
Standards are referred to the following components, among many other:
• Standards for encryption algorithms and hash algorithms.
• Protocols for parameters associated to the encryption algorithms and hash algorithms.
• Protocols to facilitate the access of users to public keys.
• Protocols to facilitate the access of users to revocation reports
• Standards for secure generation of pairs of keys
• Standards and protocols to support synchronization and time stamping mechanism with
probative value
• Standards for the following software and applications:
- Generation of pairs of keys
- Storage of private keys
- Storage of public keys
- Users’ access to public keys
- Generation of secure message digest
- Message encryption
- Message creation
- Request of public keys
- Verification of public keys: their validity, their expiring term, if not having been revoked
- Message decryption
- Secure digest decryption
- Comparison of decrypted digests
- Time
- Private keys protection
- Against intrusions when they are stored
- Against intrusions when they are in the main memory
- Against non-authorized invocations
• Of Directory if it is used as a public keys Repository:
- Protocols to insert data and keep data in the repository
- Protocols to access to repository data
• Of the Certification Authority certificates:
- Standards for certificate formats
- Profiles for the application of Standards in particular contexts
• Protocols for the communication of certificates to the parties that may need them
• Means through which message receivers are able to evaluate whether they check the
certificate digital signature
• Means through which message receivers can check the certificate digital signature
• Means through which message receivers can evaluate the extension of the statements
contained in the certificate
• If certificates are signed by Certification Authorities
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