In the context of the Ukrainian Ministry of Finance, "instruktsiia" often refers to the official procedural manuals for the Systema Logica AIS, which manages budget processes. A "key transformation" here would involve the technical process of re-encrypting or updating digital keys used for secure interbank payment operations. Linking the new key to a specific user
It can refer to a Key Transformation Function (KTF) , where a master key or passphrase is mathematically modified (transformed) into a specific session key. In Eastern European regulatory standards (like DSTU), these "instructions" define exactly how bit-shifting and XOR operations must be performed to meet legal security requirements.
Linking the new key to a specific user identity within a state or corporate registry. DIGITAL TECHNOLOGIES IN OPTIMIZATION OF THE ... - OUCI