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Send the frame number in the encrypted video header

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Cameron Gutman
2024-01-24 19:04:24 -06:00
parent 65851407b1
commit 9dfe97d405
1 changed files with 2 additions and 2 deletions
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4
src/stream.cpp
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@@ -128,7 +128,7 @@ namespace stream {
} }
std::uint8_t iv[12]; // 12-byte IV is ideal for AES-GCM std::uint8_t iv[12]; // 12-byte IV is ideal for AES-GCM
std::uint32_t unused; std::uint32_t frameNumber;
std::uint8_t tag[16]; std::uint8_t tag[16];
}; };
@@ -1419,7 +1419,7 @@ namespace stream {
// Encrypt the target buffer in place // Encrypt the target buffer in place
auto *prefix = (video_packet_enc_prefix_t *) shards.prefix(x); auto *prefix = (video_packet_enc_prefix_t *) shards.prefix(x);
prefix->unused = 0; prefix->frameNumber = packet->frame_index();
std::copy(std::begin(iv), std::end(iv), prefix->iv); std::copy(std::begin(iv), std::end(iv), prefix->iv);
session->video.cipher->encrypt(std::string_view { (char *) inspect, (size_t) blocksize }, prefix->tag, &iv); session->video.cipher->encrypt(std::string_view { (char *) inspect, (size_t) blocksize }, prefix->tag, &iv);
} }