S-63 DIGITAL CERTIFICATES-s63电子海图证书:iho.crt

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S-63 DIGITAL CERTIFICATES-s63电子海图证书:iho.crt

Digital Certificates are files that bind a specific public key together with other information to an individual or organisation. The S-63 standard uses a 2-level chain of certificates to operate the data protection scheme.

The IHB operates as the Scheme Administrator and has issued the root Digital Certificate for use within the protection scheme. The SA certificate used by IHB will be a self-signed certificate. It is available both as a X-509 compliant file IHO.CRT and as a text file Scheme Administrator Public Key.txt. Both files are contained in an SA Certificate compressed file.

The SA will issue Data Server Certificates to all Data Servers participating in the protection scheme. The Data Server Certificate contains the Data Server Public Key and the SA signature of this Key. Since only the SA can issue Data Server Certificates, the chain of trust can be established by authenticating the SA signature on the Data Server Public Key.

The protection scheme requires the SA public key to be installed on end user systems by all users of the protection scheme. The Data Server Certificate is contained within each signature file and the Data Server Public Key can be trusted if the SA certificate is valid. The installation of the SA certificate (and the public key held within) should be carried out as a separate, independent operation and be subject to carefully controlled operating procedures.http://www.landho.cn