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Widevine CENC drm engine update

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bug: 8601053

This import syncs to the widevine git repository change
commit 6a99ad1b59ad39495f62954b3065ddc22b78da49

It includes the following changes from the widevine git
repository, which complete the jb-mr2 features

    Fix Unit Test Makefile
    Adds support for device certificate provisioning.
    Support application parameters
    Certificate based licensing
    Proto for client files
    Implement Property Query API
    Add Device Query For Unique ID
    Implement Generic Crypto in DrmEngine
    Do not validate Key IDs on clear playback
    Allow OEMCrypto_DecryptCTR with clear content and no key
    Add a case to the MediaDrm API test to repro b/8594163
    Implement requiresSecureDecoderComponent
    Implement Eventing API
    Add end-to-end decryption test with vectors
    Refactoring of properties class
    Refactor OEMCrypto unittest.
    Fix for b/8567853: License renewal doesn't renew license.
    Add KEY_ERROR callback to WvContentDecryptionModule() ctor.
    Merged certificate_provisioning.proto and
      client_identification.proto to license_protocol.proto.
    Fix nonce check failure after a malformed key in OEC Mock.
    asynchronize decryption
    Allow querying of control information
    make debugging AddKey & Decrypt statuses easier
    Revert "Revert "Send KEY_ERROR event to app on license
      expiration or failure""
    Revert "Send KEY_ERROR event to app on license expiration
      or failure"
    Send KEY_ERROR event to app on license expiration or failure
    remove extra session id copy
    use KeyError constants directly
    replace variable-length arrays with std::vector and fixed-sized array
    pass session ids as const references
    refactor key extraction and update keys on renewal
    Updates to enable renewals and signaling license expiration.
    fix error constant in OEMCrypto_DecryptCTR

Change-Id: I5f7236c7bdff1d5ece6115fd2893f8a1e1e07c50
This commit is contained in:
Jeff Tinker
2013-04-12 14:12:16 -07:00
parent 2f980d7d7e
commit e6b1fedc4c
63 changed files with 2885 additions and 1134 deletions
Download Patch File Download Diff File Expand all files Collapse all files

114
libwvdrmengine/level3/mips/entry_points.cpp
View File

@@ -467,7 +467,7 @@ OEMCryptoResult OEMCrypto_LoadKeys(OEMCrypto_SESSION session,
if (!RangeCheck(message, message_length, key_array[i].key_id,
key_array[i].key_id_length, false) ||
!RangeCheck(message, message_length, key_array[i].key_data,
wvcdm::KEY_SIZE, false) ||
key_array[i].key_data_length, false) ||
!RangeCheck(message, message_length, key_array[i].key_data_iv,
wvcdm::KEY_IV_SIZE, false) ||
!RangeCheck(message, message_length, key_array[i].key_control,
@@ -488,6 +488,7 @@ OEMCryptoResult OEMCrypto_LoadKeys(OEMCrypto_SESSION session,
// Decrypt and install keys in key object
// Each key will have a key control block. They will all have the same nonce.
bool status = true;
std::vector<uint8_t> key_id;
std::vector<uint8_t> enc_key_data;
std::vector<uint8_t> key_data_iv;
@@ -497,11 +498,12 @@ OEMCryptoResult OEMCrypto_LoadKeys(OEMCrypto_SESSION session,
key_id.assign(key_array[i].key_id,
key_array[i].key_id + key_array[i].key_id_length);
enc_key_data.assign(key_array[i].key_data,
key_array[i].key_data + wvcdm::KEY_SIZE);
key_array[i].key_data + key_array[i].key_data_length);
key_data_iv.assign(key_array[i].key_data_iv,
key_array[i].key_data_iv + wvcdm::KEY_IV_SIZE);
if (key_array[i].key_control == NULL) {
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
status = false;
break;
}
key_control.assign(key_array[i].key_control,
key_array[i].key_control + wvcdm::KEY_CONTROL_SIZE);
@@ -510,12 +512,13 @@ OEMCryptoResult OEMCrypto_LoadKeys(OEMCrypto_SESSION session,
if (!session_ctx->InstallKey(key_id, enc_key_data, key_data_iv, key_control,
key_control_iv)) {
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
status = false;
break;
}
}
// All keys processed. Flush nonce table
session_ctx->FlushNonces();
if (!status) return OEMCrypto_ERROR_UNKNOWN_FAILURE;
// enc_mac_key can be NULL if license renewal is not supported
if (enc_mac_key == NULL) return OEMCrypto_SUCCESS;
@@ -582,6 +585,7 @@ OEMCryptoResult OEMCrypto_RefreshKeys(OEMCrypto_SESSION session,
}
// Decrypt and refresh keys in key refresh object
bool status = true;
std::vector<uint8_t> key_id;
std::vector<uint8_t> key_control;
std::vector<uint8_t> key_control_iv;
@@ -604,9 +608,14 @@ OEMCryptoResult OEMCrypto_RefreshKeys(OEMCrypto_SESSION session,
}
if (!session_ctx->RefreshKey(key_id, key_control, key_control_iv)) {
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
status = false;
break;
}
}
session_ctx->FlushNonces();
if (!status) return OEMCrypto_ERROR_UNKNOWN_FAILURE;
session_ctx->StartTimer();
return OEMCrypto_SUCCESS;
}
@@ -693,11 +702,8 @@ OEMCryptoResult OEMCrypto_DecryptCTR(OEMCrypto_SESSION session,
return OEMCrypto_ERROR_INVALID_CONTEXT;
}
std::vector<uint8_t> iv_v(iv, iv + 16);
std::vector<uint8_t> content(data_addr, data_addr + data_length);
if (!crypto_engine->DecryptCTR(session_ctx, iv_v, (int)offset,
content, is_encrypted,
if (!crypto_engine->DecryptCTR(session_ctx, iv, (int)offset,
data_addr, data_length, is_encrypted,
destination, buffer_type)) {
LOGE("[OEMCrypto_DecryptCTR(): OEMCrypto_ERROR_INVALID_CONTEXT]");
return OEMCrypto_ERROR_INVALID_CONTEXT;
@@ -1103,7 +1109,26 @@ OEMCryptoResult OEMCrypto_Generic_Encrypt(OEMCrypto_SESSION session,
return level1.OEMCrypto_Generic_Encrypt(session, in_buffer, buffer_length,
iv, algorithm, out_buffer);
}
return OEMCrypto_ERROR_NOT_IMPLEMENTED;
if (NO_ERROR != crypto_engine->ValidateKeybox()) {
LOGE("[OEMCrypto_Generic_Enrypt(): ERROR_KEYBOX_INVALID]");
return OEMCrypto_ERROR_KEYBOX_INVALID;
}
SessionContext* session_ctx = crypto_engine->FindSession(session);
if (!session_ctx || !session_ctx->isValid()) {
LOGE("[OEMCrypto_Generic_Enrypt(): ERROR_NO_INVALID_SESSION]");
return OEMCrypto_ERROR_INVALID_SESSION;
}
if (in_buffer == NULL || buffer_length == 0 ||
iv == NULL || out_buffer == NULL) {
LOGE("[OEMCrypto_Generic_Enrypt(): OEMCrypto_ERROR_INVALID_CONTEXT]");
return OEMCrypto_ERROR_INVALID_CONTEXT;
}
if (!session_ctx->Generic_Encrypt(in_buffer, buffer_length, iv, algorithm,
out_buffer)) {
LOGE("[OEMCrypto_Generic_Enrypt(): OEMCrypto_ERROR_UNKNOWN_FAILURE]");
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
}
return OEMCrypto_SUCCESS;
}
extern "C"
@@ -1120,7 +1145,25 @@ OEMCryptoResult OEMCrypto_Generic_Decrypt(OEMCrypto_SESSION session,
return level1.OEMCrypto_Generic_Decrypt(session, in_buffer, buffer_length,
iv, algorithm, out_buffer);
}
return OEMCrypto_ERROR_NOT_IMPLEMENTED;
if (NO_ERROR != crypto_engine->ValidateKeybox()) {
LOGE("[OEMCrypto_Generic_Decrypt(): ERROR_KEYBOX_INVALID]");
return OEMCrypto_ERROR_KEYBOX_INVALID;
}
SessionContext* session_ctx = crypto_engine->FindSession(session);
if (!session_ctx || !session_ctx->isValid()) {
LOGE("[OEMCrypto_Generic_Decrypt(): ERROR_NO_INVALID_SESSION]");
return OEMCrypto_ERROR_INVALID_SESSION;
}
if (!session_ctx->Generic_Decrypt(in_buffer, buffer_length, iv, algorithm,
out_buffer)) {
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
}
if (in_buffer == NULL || buffer_length == 0 ||
iv == NULL || out_buffer == NULL) {
LOGE("[OEMCrypto_Generic_Decrypt(): OEMCrypto_ERROR_INVALID_CONTEXT]");
return OEMCrypto_ERROR_INVALID_CONTEXT;
}
return OEMCrypto_SUCCESS;
}
extern "C"
@@ -1138,7 +1181,28 @@ OEMCryptoResult OEMCrypto_Generic_Sign(OEMCrypto_SESSION session,
algorithm, signature,
signature_length);
}
return OEMCrypto_ERROR_NOT_IMPLEMENTED;
if (NO_ERROR != crypto_engine->ValidateKeybox()) {
LOGE("[OEMCrypto_Generic_Sign(): ERROR_KEYBOX_INVALID]");
return OEMCrypto_ERROR_KEYBOX_INVALID;
}
SessionContext* session_ctx = crypto_engine->FindSession(session);
if (!session_ctx || !session_ctx->isValid()) {
LOGE("[OEMCrypto_Generic_Sign(): ERROR_NO_INVALID_SESSION]");
return OEMCrypto_ERROR_INVALID_SESSION;
}
if (*signature_length < SHA256_DIGEST_LENGTH) {
*signature_length = SHA256_DIGEST_LENGTH;
return OEMCrypto_ERROR_SHORT_BUFFER;
}
if (in_buffer == NULL || buffer_length == 0 || signature == NULL) {
LOGE("[OEMCrypto_Generic_Sign(): OEMCrypto_ERROR_INVALID_CONTEXT]");
return OEMCrypto_ERROR_INVALID_CONTEXT;
}
if (!session_ctx->Generic_Sign(in_buffer, buffer_length, algorithm,
signature, signature_length)) {
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
}
return OEMCrypto_SUCCESS;
}
extern "C"
@@ -1156,7 +1220,27 @@ OEMCryptoResult OEMCrypto_Generic_Verify(OEMCrypto_SESSION session,
algorithm, signature,
signature_length);
}
return OEMCrypto_ERROR_NOT_IMPLEMENTED;
if (NO_ERROR != crypto_engine->ValidateKeybox()) {
LOGE("[OEMCrypto_Generic_Verify(): ERROR_KEYBOX_INVALID]");
return OEMCrypto_ERROR_KEYBOX_INVALID;
}
SessionContext* session_ctx = crypto_engine->FindSession(session);
if (!session_ctx || !session_ctx->isValid()) {
LOGE("[OEMCrypto_Generic_Verify(): ERROR_NO_INVALID_SESSION]");
return OEMCrypto_ERROR_INVALID_SESSION;
}
if (signature_length != SHA256_DIGEST_LENGTH) {
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
}
if (in_buffer == NULL || buffer_length == 0 || signature == NULL) {
LOGE("[OEMCrypto_Generic_Verify(): OEMCrypto_ERROR_INVALID_CONTEXT]");
return OEMCrypto_ERROR_INVALID_CONTEXT;
}
if (!session_ctx->Generic_Verify(in_buffer, buffer_length, algorithm,
signature, signature_length)) {
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
}
return OEMCrypto_SUCCESS;
}
}; // namespace wvoec_mock