1 // This file was extracted from the TCG Published 2 // Trusted Platform Module Library 3 // Part 3: Commands 4 // Family "2.0" 5 // Level 00 Revision 01.16 6 // October 30, 2014 7 8 #include "InternalRoutines.h" 9 #include "GetRandom_fp.h" 10 TPM_RC 11 TPM2_GetRandom( 12 GetRandom_In *in, // IN: input parameter list 13 GetRandom_Out *out // OUT: output parameter list 14 ) 15 { 16 // Command Output 17 18 // if the requested bytes exceed the output buffer size, generates the 19 // maximum bytes that the output buffer allows 20 if(in->bytesRequested > sizeof(TPMU_HA)) 21 out->randomBytes.t.size = sizeof(TPMU_HA); 22 else 23 out->randomBytes.t.size = in->bytesRequested; 24 25 CryptGenerateRandom(out->randomBytes.t.size, out->randomBytes.t.buffer); 26 27 return TPM_RC_SUCCESS; 28 } 29
