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a.sign seal for authorities

The secure certificate for government employees


The unique authentication of senders and the decryption of encrypted data sets is also of great importance to authorities. Therefore, A-Trust has developed an official signature specifically for members of Austrian authorities and organisations with authority status.

The official signature is part of the a.sign corporate family: the certificate allows the creation of digital signatures via data and decrypts incoming data. This electronic signature cannot be forged, but it can be verified.

The key length of the SSL certificate must be at least 2048 Bit (RSA); SHA-256 is used as hash algorithm.




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  • Unique authentication in the web
  • Protected data transfer



  • Member of an Austrian authority


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