diff options
| -rw-r--r-- | lib/tpm_tcg2.c | 42 |
1 files changed, 7 insertions, 35 deletions
diff --git a/lib/tpm_tcg2.c b/lib/tpm_tcg2.c index 9e63204f24c..6c72688b806 100644 --- a/lib/tpm_tcg2.c +++ b/lib/tpm_tcg2.c @@ -207,37 +207,17 @@ static int tcg2_log_append_check(struct tcg2_event_log *elog, u32 pcr_index, static int tcg2_log_init(struct udevice *dev, struct tcg2_event_log *elog) { + struct tpm_chip_priv *priv = dev_get_uclass_priv(dev); struct tcg_efi_spec_id_event *ev; struct tcg_pcr_event *log; u32 event_size; u32 count = 0; u32 log_size; - u32 active; size_t i; u16 len; - int rc; - - rc = tcg2_get_active_pcr_banks(dev, &active); - if (rc) - return rc; + count = priv->active_bank_count; event_size = offsetof(struct tcg_efi_spec_id_event, digest_sizes); - for (i = 0; i < ARRAY_SIZE(hash_algo_list); ++i) { - if (!(active & hash_algo_list[i].hash_mask)) - continue; - - switch (hash_algo_list[i].hash_alg) { - case TPM2_ALG_SHA1: - case TPM2_ALG_SHA256: - case TPM2_ALG_SHA384: - case TPM2_ALG_SHA512: - count++; - break; - default: - continue; - } - } - event_size += 1 + (sizeof(struct tcg_efi_spec_id_event_algorithm_size) * count); log_size = offsetof(struct tcg_pcr_event, event) + event_size; @@ -264,19 +244,11 @@ static int tcg2_log_init(struct udevice *dev, struct tcg2_event_log *elog) ev->uintn_size = sizeof(size_t) / sizeof(u32); put_unaligned_le32(count, &ev->number_of_algorithms); - count = 0; - for (i = 0; i < ARRAY_SIZE(hash_algo_list); ++i) { - if (!(active & hash_algo_list[i].hash_mask)) - continue; - - len = hash_algo_list[i].hash_len; - if (!len) - continue; - - put_unaligned_le16(hash_algo_list[i].hash_alg, - &ev->digest_sizes[count].algorithm_id); - put_unaligned_le16(len, &ev->digest_sizes[count].digest_size); - count++; + for (i = 0; i < count; ++i) { + len = tpm2_algorithm_to_len(priv->active_banks[i]); + put_unaligned_le16(priv->active_banks[i], + &ev->digest_sizes[i].algorithm_id); + put_unaligned_le16(len, &ev->digest_sizes[i].digest_size); } *((u8 *)ev + (event_size - 1)) = 0; |