Source release 18.7.0

This commit is contained in:
John W. Bruce
2024-09-05 07:06:37 +00:00
parent 20c0587dcb
commit 4420a6f812
34 changed files with 979 additions and 200 deletions

View File

@@ -151,7 +151,6 @@ void AdvanceDestBuffer(OEMCrypto_DestBufferDesc* dest_buffer, size_t bytes) {
switch (dest_buffer->type) {
case OEMCrypto_BufferType_Clear:
dest_buffer->buffer.clear.clear_buffer += bytes;
dest_buffer->buffer.clear.clear_buffer_length -= bytes;
return;
case OEMCrypto_BufferType_Secure:
@@ -2511,6 +2510,17 @@ bool CryptoSession::GetBuildInformation(RequestedSecurityLevel security_level,
return false;
}
info->resize(info_length);
// Some OEMCrypto implementations may include trailing null
// bytes in the output. Trim them here.
while (!info->empty() && info->back() == '\0') {
info->pop_back();
}
if (info->empty()) {
LOGE("BuildInformation() returned corrupted data: length = %zu",
info_length);
return false;
}
return true;
}
@@ -3219,6 +3229,11 @@ OEMCryptoResult CryptoSession::DecryptSample(
}
fake_sample.buffers.input_data_length = length;
if (fake_sample.buffers.output_descriptor.type ==
OEMCrypto_BufferType_Clear) {
fake_sample.buffers.output_descriptor.buffer.clear
.clear_buffer_length = length;
}
fake_sample.subsamples = &clear_subsample;
fake_sample.subsamples_length = 1;
@@ -3246,6 +3261,11 @@ OEMCryptoResult CryptoSession::DecryptSample(
}
fake_sample.buffers.input_data_length = length;
if (fake_sample.buffers.output_descriptor.type ==
OEMCrypto_BufferType_Clear) {
fake_sample.buffers.output_descriptor.buffer.clear
.clear_buffer_length = length;
}
fake_sample.subsamples = &encrypted_subsample;
fake_sample.subsamples_length = 1;
@@ -3338,6 +3358,10 @@ OEMCryptoResult CryptoSession::LegacyCopyBufferInChunks(
// Calculate the size of the next chunk.
const size_t chunk_size = std::min(remaining_input_data, max_chunk_size);
if (output_descriptor.type == OEMCrypto_BufferType_Clear) {
output_descriptor.buffer.clear.clear_buffer_length = chunk_size;
}
// Re-add "last subsample" flag if this is the last subsample.
if (chunk_size == remaining_input_data) {
subsample_flags |= OEMCrypto_LastSubsample;
@@ -3385,6 +3409,11 @@ OEMCryptoResult CryptoSession::LegacyDecryptInChunks(
// Calculate the size of the next chunk.
const size_t chunk_size = std::min(remaining_input_data, max_chunk_size);
fake_sample.buffers.input_data_length = chunk_size;
if (fake_sample.buffers.output_descriptor.type ==
OEMCrypto_BufferType_Clear) {
fake_sample.buffers.output_descriptor.buffer.clear.clear_buffer_length =
chunk_size;
}
if (is_protected) {
fake_subsample.num_bytes_encrypted = chunk_size;
} else {