TcgDxePassThroughToTpm should be able to handle all TPM12 Command & Response correctly.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chao Zhang <[email protected]> --- SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c b/SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c index 4e04299..5e154d0 100644 --- a/SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c +++ b/SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c @@ -267,6 +267,7 @@ Tpm12TisTpmCommand ( UINT32 TpmOutSize; UINT16 Data16; UINT32 Data32; + UINT16 RspTag; DEBUG_CODE ( UINTN DebugSize; @@ -367,8 +368,9 @@ Tpm12TisTpmCommand ( // Check the reponse data header (tag,parasize and returncode ) // CopyMem (&Data16, BufferOut, sizeof (UINT16)); - if (SwapBytes16 (Data16) != TPM_TAG_RSP_COMMAND) { - DEBUG ((EFI_D_ERROR, "TPM12: TPM_ST_RSP error - %x\n", TPM_TAG_RSP_COMMAND)); + RspTag = SwapBytes16 (Data16); + if (RspTag != TPM_TAG_RSP_COMMAND && RspTag != TPM_TAG_RSP_AUTH1_COMMAND && RspTag != TPM_TAG_RSP_AUTH2_COMMAND) { + DEBUG ((EFI_D_ERROR, "TPM12: Response tag error - current tag value is %x\n", RspTag)); Status = EFI_UNSUPPORTED; goto Exit; } -- 1.9.5.msysgit.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
