diff options
Diffstat (limited to 'firmware/lib/tpm2_lite/marshaling.c')
| -rw-r--r-- | firmware/lib/tpm2_lite/marshaling.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/firmware/lib/tpm2_lite/marshaling.c b/firmware/lib/tpm2_lite/marshaling.c index 037e696d..fd94a51e 100644 --- a/firmware/lib/tpm2_lite/marshaling.c +++ b/firmware/lib/tpm2_lite/marshaling.c @@ -516,6 +516,23 @@ struct tpm2_response *tpm_unmarshal_response(TPM_CC command, return &tpm2_resp; } +uint32_t tpm_get_packet_size(const uint8_t *packet) +{ + /* 0: tag (16 bit) + * 2: size (32 bit) + */ + return read_be32(packet + 2); +} + +uint32_t tpm_get_packet_response_code(const uint8_t *packet) +{ + /* 0: tag (16 bit) + * 2: size (32 bit) + * 6: resp code (32 bit) + */ + return read_be32(packet + 6); +} + void tpm_set_ph_disabled(int flag) { ph_disabled = flag; |