// get the register at the given key
variable pointed to by val. An error is returned in case there is no
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В фигурном катании захотели запретить критику судейМеждународный союз конькобежцев хочет запретить критику судей в фигурном катании
The User and Issuer now run the blind signing protocol described above — here the User sets its message to SN and the employs its signing key SK. At the end of this process the user will hold a valid signature by the issuer on the message SN. The pair (SN, signature) now form the credential.