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In cryptography and computer security, a root certificate is a public key certificate that identifies a root certificate authority (CA). [1] Root certificates are self-signed (and it is possible for a certificate to have multiple trust paths, say if the certificate was issued by a root that was cross-signed) and form the basis of an X.509-based ...
Worldwide, the certificate authority business is fragmented, with national or regional providers dominating their home market. This is because many uses of digital certificates, such as for legally binding digital signatures, are linked to local law, regulations, and accreditation schemes for certificate authorities.
The root certificate was used to sign two intermediate certificates, [44] which are also cross-signed by the certificate authority IdenTrust. [ 7 ] [ 45 ] One of the intermediate certificates is used to sign issued certificates, while the other is kept offline as a backup in case of problems with the first intermediate certificate. [ 44 ]
Islamic University, Bangladesh: IU: 1979 Kushtia Khulna Division General Yes link: Shahjalal University of Science and Technology: SUST: 1986 Sylhet Sylhet Division STEM: Yes link: Khulna University: KU: 1991 Khulna Khulna Division General Yes link: Bangladesh Open University: BOU: 1992 Gazipur Dhaka Division General Yes link: National ...
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An offline root certificate authority is a certificate authority (as defined in the X.509 standard and RFC 5280) which has been isolated from network access, and is often kept in a powered-down state. In a public key infrastructure, the chain of trusted authorities begins with the root certificate authority (root CA).
Controller of Certifying Authority was established in May 2011 according to the Information and Communication Technology (Amended) Act, 2006. The agency is run by a government appointed controller. The agency has been given the responsibility to introduce Digital Signature and electronic signatures in government departments of Bangladesh.
Universities in Bangladesh are mainly categorized into four differential types: public (government owned and subsidized), private (private sector owned universities), international (operated and funded by international organizations such as the Organisation of Islamic Cooperation), and the latest Cross Border Higher Education (CBHE) which are either study centres or branch campuses managed by ...