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Recreate usage tables on error

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am: 4228e2327e

Change-Id: I66140b35d3b992aaedb15c8e2dd2167127183eb3
This commit is contained in:
Rahul Frias
2017-06-09 23:47:01 +00:00
committed by android-build-merger
parent 2efd7d71fa 4228e2327e
commit fcc1c1a54d
3 changed files with 20 additions and 5 deletions
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4
libwvdrmengine/cdm/core/src/crypto_session.cpp
View File

@@ -710,6 +710,10 @@ CdmResponseType CryptoSession::LoadKeys(
} else if (OEMCrypto_ERROR_TOO_MANY_KEYS == sts) {
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = INSUFFICIENT_CRYPTO_RESOURCES;
} else if (OEMCrypto_ERROR_USAGE_TABLE_UNRECOVERABLE == sts) {
// Handle vendor specific error
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = NEED_PROVISIONING;
} else {
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = LOAD_KEY_ERROR;

20
libwvdrmengine/cdm/core/src/oemcrypto_adapter_dynamic.cpp
View File

@@ -41,6 +41,8 @@ using wvcdm::kLevel3;
namespace {
static const size_t kMaxGenericEncryptChunkSize = 100*1024;
OEMCryptoResult kOemCryptoResultVendorSpecificError1 =
static_cast<OEMCryptoResult>(10008);
typedef struct {
const uint8_t* key_id;
@@ -1156,18 +1158,26 @@ extern "C" OEMCryptoResult OEMCrypto_LoadKeys(
} else {
if (pair.fcn->LoadKeys_V9_or_V10 == NULL)
return OEMCrypto_ERROR_NOT_IMPLEMENTED;
return pair.fcn->LoadKeys_V9_or_V10(pair.session, message, message_length,
signature, signature_length,
enc_mac_key_iv, enc_mac_key, num_keys,
&key_array_v10[0], pst, pst_length);
OEMCryptoResult result = pair.fcn->LoadKeys_V9_or_V10(
pair.session, message, message_length, signature, signature_length,
enc_mac_key_iv, enc_mac_key, num_keys, &key_array_v10[0], pst,
pst_length);
// Convert a vendor specific error, to make it actionable
if (result == kOemCryptoResultVendorSpecificError1)
result = OEMCrypto_ERROR_USAGE_TABLE_UNRECOVERABLE;
return result;
}
} else {
if (pair.fcn->version < 13) {
if (pair.fcn->LoadKeys_V11_or_V12 == NULL)
return OEMCrypto_ERROR_NOT_IMPLEMENTED;
return pair.fcn->LoadKeys_V11_or_V12(
OEMCryptoResult result = pair.fcn->LoadKeys_V11_or_V12(
pair.session, message, message_length, signature, signature_length,
enc_mac_key_iv, enc_mac_key, num_keys, key_array, pst, pst_length);
// Convert a vendor specific error, to make it actionable
if (result == kOemCryptoResultVendorSpecificError1)
result = OEMCrypto_ERROR_USAGE_TABLE_UNRECOVERABLE;
return result;
} else {
if (pair.fcn->LoadKeys == NULL) return OEMCrypto_ERROR_NOT_IMPLEMENTED;
return pair.fcn->LoadKeys(pair.session, message, message_length,

1
libwvdrmengine/oemcrypto/include/OEMCryptoCENC.h
View File

@@ -78,6 +78,7 @@ typedef enum OEMCryptoResult {
OEMCrypto_ERROR_LICENSE_INACTIVE = 47,
OEMCrypto_ERROR_ENTRY_NEEDS_UPDATE = 48,
OEMCrypto_ERROR_ENTRY_IN_USE = 49,
OEMCrypto_ERROR_USAGE_TABLE_UNRECOVERABLE = 50, // Reserved. Do not use.
} OEMCryptoResult;
/*