Request

Index Word	Description
0	Header code [0x00010244]
1-8	SHA256 hash to sign.
9	Unused. Intended as the signature size.
10	Descriptor for static buffer (id 0)
11	RSA context buffer
12	Descriptor for mapping a write-only buffer in the target process
13	Signature buffer

Response

Index Word	Description
0	Header code
1	Result code
2	Descriptor for mapping a write-only buffer in the target process
3	Signature buffer. Size for the translate-header is hard-coded to 0x100.