TPM_SIG_SCHEME
#define TPM_SS_NONE ((TPM_SIG_SCHEME) 0x0001)
#define TPM_SS_RSASSAPKCS1v15_SHA1 ((TPM_SIG_SCHEME) 0x0002)
#define TPM_SS_RSASSAPKCS1v15_DER ((TPM_SIG_SCHEME) 0x0003)
#define TPM_SS_RSASSAPKCS1v15_INFO ((TPM_SIG_SCHEME) 0x0004)
TPM_SIG_SCHEME sigScheme;