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OEMCrypto v16.2

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Merge from Widevine repo of http://go/wvgerrit/93404

This is the unit tests, reference code, and documentation for
OEMCrypto v16.2. Backwards compatibility should work for a v15
OEMCrypto.

Some review comments will be addressed in future CLs.

Bug: 141247171
Test: Unit tests
Test: Media GTS tests on bonito
Change-Id: I9d427c07580e180c0a4cfdc4a68f538d351c0ddd
This commit is contained in:
Fred Gylys-Colwell
2020-01-18 10:18:50 -08:00
parent 7665614b2e
commit db2050dff1
62 changed files with 2947 additions and 2286 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
libwvdrmengine/oemcrypto/odk/src/serialization_base.c
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@@ -51,6 +51,26 @@ static void PackBytes(Message* message, const uint8_t* ptr, size_t count) {
}
}
void Pack_enum(Message* message, int value) {
uint32_t v32 = value;
Pack_uint32_t(message, &v32);
}
void Pack_bool(Message* message, const bool* value) {
if (!ValidMessage(message)) return;
uint8_t data[4] = {0};
data[3] = *value ? 1 : 0;
PackBytes(message, data, sizeof(data));
}
void Pack_uint16_t(Message* message, const uint16_t* value) {
if (!ValidMessage(message)) return;
uint8_t data[2] = {0};
data[0] = *value >> 8;
data[1] = *value >> 0;
PackBytes(message, data, sizeof(data));
}
void Pack_uint32_t(Message* message, const uint32_t* value) {
if (!ValidMessage(message)) return;
uint8_t data[4] = {0};
@@ -90,6 +110,27 @@ static void UnpackBytes(Message* message, uint8_t* ptr, size_t count) {
}
}
int Unpack_enum(Message* message) {
uint32_t v32;
Unpack_uint32_t(message, &v32);
return v32;
}
void Unpack_bool(Message* message, bool* value) {
if (!ValidMessage(message)) return;
uint8_t data[4] = {0};
UnpackBytes(message, data, sizeof(data));
*value = (0 != data[3]);
}
void Unpack_uint16_t(Message* message, uint16_t* value) {
if (!ValidMessage(message)) return;
uint8_t data[2] = {0};
UnpackBytes(message, data, sizeof(data));
*value = data[0];
*value = *value << 8 | data[1];
}
void Unpack_uint32_t(Message* message, uint32_t* value) {
if (!ValidMessage(message)) return;
uint8_t data[4] = {0};
@@ -195,7 +236,8 @@ size_t GetSize(Message* message) {
void SetSize(Message* message, size_t size) {
if (message == NULL) return;
if (size > message->capacity) message->status = MESSAGE_STATUS_OVERFLOW_ERROR;
message->size = size;
else
message->size = size;
}
MessageStatus GetStatus(Message* message) { return message->status; }