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a.sign seal qualified signature interface

To communicate with the A-Trust server a REST interface (HTTP POST and HTTP GET) is used.

Get certificate information​

This call downloads the seal certificate for the specified serial number.

Sign hash value​

This call performs a signature with the seal private key. The data to be signed has to be hashed by the client before transmission to the A-Trust server.

See Values and constants for the ECDSA signature format.

Sign a list of hash values​

This call performs a signature with the seal private key for a list of hash values. The data to be signed has to be hashed by the client before transmission to the A-Trust server.

See Values and constants for the ECDSA signature format.

Test call​

This call serves only as a connection test and always returns with HTTP state 200 - OK if the server is available.