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Unit Test for OEMCrypto_ERROR_KEY_EXPIRED

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Merge from widevine repo of http://go/wvgerrit/21141

All of the decrypt calls and the SelectKey call should return
OEMCrypto_ERROR_KEY_EXPIRED on error.  This CL updates the oemcrypto
unit tests, reference mock, and level 3 code.

b/28294273

Change-Id: I7ac6a3652e0b2fe5a46071e1c2eda00daeed7a33
This commit is contained in:
Fred Gylys-Colwell
2016-11-28 21:52:11 -08:00
parent 7214064635
commit 47f454839e
4 changed files with 31 additions and 10 deletions
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13
libwvdrmengine/oemcrypto/mock/src/oemcrypto_engine_mock.cpp
View File

@@ -1145,7 +1145,7 @@ bool SessionContext::QueryKeyControlBlock(const KeyId& key_id, uint32_t* data) {
return true;
}
bool SessionContext::SelectContentKey(const KeyId& key_id) {
OEMCryptoResult SessionContext::SelectContentKey(const KeyId& key_id) {
const Key* content_key = session_keys_.Find(key_id);
if (LogCategoryEnabled(kLoggingTraceDecryption)){
@@ -1157,10 +1157,17 @@ bool SessionContext::SelectContentKey(const KeyId& key_id) {
if (NULL == content_key) {
LOGE("[SelectContentKey(): No key matches key id]");
return false;
return OEMCrypto_ERROR_NO_CONTENT_KEY;
}
current_content_key_ = content_key;
return true;
const KeyControlBlock& control = current_content_key()->control();
if (control.duration() > 0) {
if (control.duration() < CurrentTimer()) {
LOGE("[SelectContentKey(): KEY_EXPIRED]");
return OEMCrypto_ERROR_KEY_EXPIRED;
}
}
return OEMCrypto_SUCCESS;
}
void SessionContext::AddNonce(uint32_t nonce) {

2
libwvdrmengine/oemcrypto/mock/src/oemcrypto_engine_mock.h
View File

@@ -166,7 +166,7 @@ class SessionContext {
bool UpdateMacKeys(const std::vector<uint8_t>& mac_keys,
const std::vector<uint8_t>& iv);
bool QueryKeyControlBlock(const KeyId& key_id, uint32_t* data);
bool SelectContentKey(const KeyId& key_id);
OEMCryptoResult SelectContentKey(const KeyId& key_id);
const Key* current_content_key(void) { return current_content_key_; }
void set_mac_key_server(const std::vector<uint8_t>& mac_key_server) {
mac_key_server_ = mac_key_server;

7
libwvdrmengine/oemcrypto/mock/src/oemcrypto_mock.cpp
View File

@@ -556,12 +556,7 @@ OEMCryptoResult OEMCrypto_SelectKey(const OEMCrypto_SESSION session,
const std::vector<uint8_t> key_id_str =
std::vector<uint8_t>(key_id, key_id + key_id_length);
if (!session_ctx->SelectContentKey(key_id_str)) {
LOGE("[OEMCrypto_SelectKey(): FAIL]");
return OEMCrypto_ERROR_NO_CONTENT_KEY;
}
return OEMCrypto_SUCCESS;
return session_ctx->SelectContentKey(key_id_str);
}
OEMCryptoResult SetDestination(OEMCrypto_DestBufferDesc* out_buffer,