We are creating a encryption filter driver and we need to allocate a buffer
to be used for the encryption process. To give an idea, if we receive a
IRP_MJ_READ, demanding an access of 1Mb, and need to decrypt the data we
would need to allocate a 1Mb buffer because the decryption algorithm needs
an output buffer different from the input buffer. The problem is we should
not allocate non-pageable memory because there isn’t a lot of it. Is there
anyway to use pageable memory?
Thanks!
P. Valério
R. Ramalho
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