widevine-partner/media_cas_packager_sdk_source
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Adds 'virtual' and 'const' modifiers to methods in wv_cas_ecm.

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Expose header files under export/exported_root/util in media_cas_packager_sdk because util::Status is used in wv_cas_ecm.h

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=218632176
This commit is contained in:
Fang Yu
2018-10-24 22:12:07 -07:00
parent 7652549f65
commit d2f5df0c9f
3 changed files with 18 additions and 13 deletions
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5
media_cas_packager_sdk/public/wv_cas_ecm.cc
View File

@@ -83,7 +83,8 @@ util::Status WvCasEcm::GenerateEcm(const std::string& even_key,
const std::string& odd_key,
const std::string& odd_content_iv,
const std::string& entitlement_key_id,
const std::string& entitlement_key, std::string* ecm) {
const std::string& entitlement_key,
std::string* ecm) const {
DCHECK(ecm);
if (!initialized_) {
return util::Status(util::error::INTERNAL,
@@ -159,7 +160,7 @@ util::Status WvCasEcm::GenerateSingleKeyEcm(const std::string& even_key,
const std::string& even_content_iv,
const std::string& entitlement_key_id,
const std::string& entitlement_key,
std::string* ecm) {
std::string* ecm) const {
if (!initialized_) {
DCHECK(ecm);
return util::Status(util::error::INTERNAL,

25
media_cas_packager_sdk/public/wv_cas_ecm.h
View File

@@ -51,8 +51,8 @@ class WvCasEcm {
//
// Note:
// - 'even'/'odd' key in the ECM will be be encrypted using AEC_CBC
util::Status Initialize(int content_iv_size, bool key_rotation_enabled,
int crypto_mode);
virtual util::Status Initialize(int content_iv_size,
bool key_rotation_enabled, int crypto_mode);
// Generate an ECM containing two keys (even and odd). Can be called when
// |key_rotation_enabled| is initialized to 'true'.
@@ -74,11 +74,13 @@ class WvCasEcm {
// and |odd_key| in the ECM
// - Size of |even_content_iv| and |odd_content_iv| must match
// |content_iv_size| set during initialization
util::Status GenerateEcm(const std::string& even_key,
const std::string& even_content_iv, const std::string& odd_key,
const std::string& odd_content_iv,
const std::string& entitlement_key_id,
const std::string& entitlement_key, std::string* ecm);
virtual util::Status GenerateEcm(const std::string& even_key,
const std::string& even_content_iv,
const std::string& odd_key,
const std::string& odd_content_iv,
const std::string& entitlement_key_id,
const std::string& entitlement_key,
std::string* ecm) const;
// Generate an ECM containing only a singe even key. Can be called when
// |key_rotation_enabled| is initialized to 'false'.
@@ -96,10 +98,11 @@ class WvCasEcm {
// Note:
// - Size of |even_content_iv| and |odd_content_iv| must match
// |content_iv_size| set during initialization
util::Status GenerateSingleKeyEcm(const std::string& even_key,
const std::string& even_content_iv,
const std::string& entitlement_key_id,
const std::string& entitlement_key, std::string* ecm);
virtual util::Status GenerateSingleKeyEcm(const std::string& even_key,
const std::string& even_content_iv,
const std::string& entitlement_key_id,
const std::string& entitlement_key,
std::string* ecm) const;
private:
bool initialized_ = false;