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Revert "Limit output buffer size during decrypt fallback"

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Revert submission 28914157

Reason for revert: b/372348308

Reverted changes: /q/submissionid:28914157

Change-Id: Ib77156ffe6abed0f8feee5d9f60f24a90e749ff8
This commit is contained in:
Kyle Zhang
2024-10-14 18:15:37 +00:00
parent f1da7b637d
commit d73997bc0b
2 changed files with 2 additions and 34 deletions
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16
libwvdrmengine/oemcrypto/test/oec_decrypt_fallback_chain.cpp
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@@ -17,6 +17,7 @@ void advance_dest_buffer(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;
break;
case OEMCrypto_BufferType_Secure:
@@ -98,11 +99,6 @@ OEMCryptoResult DecryptFallbackChain::DecryptSample(
const size_t length =
subsample.num_bytes_clear + subsample.num_bytes_encrypted;
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 = &subsample;
fake_sample.subsamples_length = 1;
@@ -148,11 +144,6 @@ OEMCryptoResult DecryptFallbackChain::DecryptSubsample(
if (subsample.num_bytes_clear > 0) {
fake_sample.buffers.input_data_length = subsample.num_bytes_clear;
if (fake_sample.buffers.output_descriptor.type ==
OEMCrypto_BufferType_Clear) {
fake_sample.buffers.output_descriptor.buffer.clear.clear_buffer_length =
subsample.num_bytes_clear;
}
fake_subsample.num_bytes_clear = subsample.num_bytes_clear;
fake_subsample.num_bytes_encrypted = 0;
fake_subsample.block_offset = 0;
@@ -176,11 +167,6 @@ OEMCryptoResult DecryptFallbackChain::DecryptSubsample(
if (subsample.num_bytes_encrypted > 0) {
fake_sample.buffers.input_data_length = subsample.num_bytes_encrypted;
if (fake_sample.buffers.output_descriptor.type ==
OEMCrypto_BufferType_Clear) {
fake_sample.buffers.output_descriptor.buffer.clear.clear_buffer_length =
subsample.num_bytes_encrypted;
}
fake_subsample.num_bytes_clear = 0;
fake_subsample.num_bytes_encrypted = subsample.num_bytes_encrypted;
fake_subsample.block_offset = subsample.block_offset;