QuickCrypt Library

C++ Interface

CGOST

CGOST class does not have a base class.

CGOST class assists you in performing GOST encryption/decryption.

To encrypt/decrypt one or more continuous memory block(s) of fixed CGOST::BLOCKSIZE  size, perform the following:

• Instantiate a CGOST object passing to the constructor the secret key and the cipher direction (SLC_ENCRYPT or SLC_DECRYPT).

• Call the ProcessBlock member function for each memory block to perform encryption/decryption.

• Call the Init member function to initialize the CGOST object with another secret key and/or to change its cipher direction.

Note. The above algorithm corresponds to ECB mode of operation. QuickCrypt Library supports also CBC, CFB, OFB and Counter modes of operation.

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