> For the complete documentation index, see [llms.txt](https://idthrivo.gitbook.io/thrivosign-remote-signing-solution/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://idthrivo.gitbook.io/thrivosign-remote-signing-solution/thrivosign-remote-signing-solution-t-rss-documentation/introduction/solution-overview.md).
# Solution Overview
PKI technology has the advantages to enable end-to-end digital transactions through secured authentication of the signatory to fulfil requirements of confidentiality, identity authentication and integrity of information involving public sector online services.
The T-RSS services consist of several key components as in the above diagram to authenticate the signer users and associate them with signing keys residing in CM via SAM.
● SAM to ensure the keys are protected and under users’ sole control over his signature keys.
● T-SSA to provide authorization request and response, signature request.
● Certificate issuance service to provide integration interface between EJBCA and T-RSS solution.
● T-SIC to ensure the user can use a mobile app device to communicate with the server signing application (T-SSA) via a secure communication channel.
Solution Overview diagram
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