diff options
Diffstat (limited to 'core/kernel/huk_subkey.c')
| -rw-r--r-- | core/kernel/huk_subkey.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/core/kernel/huk_subkey.c b/core/kernel/huk_subkey.c index 9bf8547c..826a9fa9 100644 --- a/core/kernel/huk_subkey.c +++ b/core/kernel/huk_subkey.c @@ -11,8 +11,7 @@ static TEE_Result mac_usage(void *ctx, uint32_t usage) { - return crypto_mac_update(ctx, TEE_ALG_HMAC_SHA256, - (const void *)&usage, sizeof(usage)); + return crypto_mac_update(ctx, (const void *)&usage, sizeof(usage)); } #ifdef CFG_CORE_HUK_SUBKEY_COMPAT @@ -44,12 +43,10 @@ static TEE_Result huk_compat(void *ctx, enum huk_subkey_usage usage) return TEE_SUCCESS; case HUK_SUBKEY_SSK: get_dummy_die_id(chip_id, sizeof(chip_id)); - res = crypto_mac_update(ctx, TEE_ALG_HMAC_SHA256, - chip_id, sizeof(chip_id)); + res = crypto_mac_update(ctx, chip_id, sizeof(chip_id)); if (res) return res; - return crypto_mac_update(ctx, TEE_ALG_HMAC_SHA256, - ssk_str, sizeof(ssk_str)); + return crypto_mac_update(ctx, ssk_str, sizeof(ssk_str)); default: return mac_usage(ctx, usage); } @@ -78,8 +75,7 @@ TEE_Result huk_subkey_derive(enum huk_subkey_usage usage, if (res) goto out; - res = crypto_mac_init(ctx, TEE_ALG_HMAC_SHA256, huk.data, - sizeof(huk.data)); + res = crypto_mac_init(ctx, huk.data, sizeof(huk.data)); if (res) goto out; @@ -92,17 +88,16 @@ TEE_Result huk_subkey_derive(enum huk_subkey_usage usage, goto out; if (const_data) { - res = crypto_mac_update(ctx, TEE_ALG_HMAC_SHA256, const_data, - const_data_len); + res = crypto_mac_update(ctx, const_data, const_data_len); if (res) goto out; } - res = crypto_mac_final(ctx, TEE_ALG_HMAC_SHA256, subkey, subkey_len); + res = crypto_mac_final(ctx, subkey, subkey_len); out: if (res) memzero_explicit(subkey, subkey_len); memzero_explicit(&huk, sizeof(huk)); - crypto_mac_free_ctx(ctx, TEE_ALG_HMAC_SHA256); + crypto_mac_free_ctx(ctx); return res; } |