diff options
Diffstat (limited to 'board/cr50/tpm2/virtual_nvmem.c')
| -rw-r--r-- | board/cr50/tpm2/virtual_nvmem.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/board/cr50/tpm2/virtual_nvmem.c b/board/cr50/tpm2/virtual_nvmem.c index 196f4c0416..aa4ce95724 100644 --- a/board/cr50/tpm2/virtual_nvmem.c +++ b/board/cr50/tpm2/virtual_nvmem.c @@ -290,11 +290,14 @@ BUILD_ASSERT(VIRTUAL_NV_INDEX_SN_DATA_SIZE == sizeof(struct sn_data)); static void GetG2fCert(BYTE *to, size_t offset, size_t size) { uint8_t cert[G2F_ATTESTATION_CERT_MAX_LEN] = { 0 }; + size_t certificate_len; - if (!g2f_attestation_cert(cert)) - memset(cert, 0, G2F_ATTESTATION_CERT_MAX_LEN); + certificate_len = g2f_attestation_cert(cert); - memcpy(to, ((BYTE *) cert) + offset, size); + if (certificate_len == 0) + memset(cert, 0, sizeof(cert)); + + memcpy(to, ((BYTE *)cert) + offset, size); } BUILD_ASSERT(VIRTUAL_NV_INDEX_G2F_CERT_SIZE == G2F_ATTESTATION_CERT_MAX_LEN); |