morgan/UxPlay
1
0
Fork 0
mirror of https://github.com/morgan9e/UxPlay synced 2026-04-15 00:34:05 +09:00
Code Issues Packages Projects Releases Wiki Activity

mirror_buffer.c: further aes cleanup

Browse Source
This commit is contained in:
fduncanh
2022-01-21 17:18:36 -05:00
parent 1ac3876b44
commit baa926cb09
1 changed files with 9 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
lib/mirror_buffer.c
View File

@@ -31,29 +31,30 @@ struct mirror_buffer_s {
aes_ctx_t *aes_ctx;
int nextDecryptCount;
uint8_t og[16];
/* AES key and IV */
// Need secondary processing to use
unsigned char aeskey[RAOP_AESKEY_LEN];
/* audio aes key is used in a hash for the video aes key and iv */
unsigned char aeskey_audio[RAOP_AESKEY_LEN];
};
void
mirror_buffer_init_aes(mirror_buffer_t *mirror_buffer, uint64_t *streamConnectionID)
{
unsigned char aeskey_audio[16];
unsigned char aeskey_video[64];
unsigned char aesiv_video[64];
memcpy(aeskey_audio, mirror_buffer->aeskey, 16);
/* AES key and IV */
// Need secondary processing to use
sprintf((char*) aeskey_video, "AirPlayStreamKey%" PRIu64, *streamConnectionID);
sprintf((char*) aesiv_video, "AirPlayStreamIV%" PRIu64, *streamConnectionID);
sha_ctx_t *ctx = sha_init();
sha_update(ctx, aeskey_video, strlen((char*) aeskey_video));
sha_update(ctx, aeskey_audio, 16);
sha_update(ctx, mirror_buffer->aeskey_audio, RAOP_AESKEY_LEN);
sha_final(ctx, aeskey_video, NULL);
sha_reset(ctx);
sha_update(ctx, aesiv_video, strlen((char*) aesiv_video));
sha_update(ctx, aeskey_audio, 16);
sha_update(ctx, mirror_buffer->aeskey_audio, RAOP_AESKEY_LEN);
sha_final(ctx, aesiv_video, NULL);
sha_destroy(ctx);
@@ -78,10 +79,9 @@ mirror_buffer_init(logger_t *logger, const unsigned char *aeskey)
if (!mirror_buffer) {
return NULL;
}
memcpy(mirror_buffer->aeskey, aeskey, RAOP_AESKEY_LEN);
memcpy(mirror_buffer->aeskey_audio, aeskey, RAOP_AESKEY_LEN);
mirror_buffer->logger = logger;
mirror_buffer->nextDecryptCount = 0;
//mirror_buffer_init_aes(mirror_buffer, aeskey, streamConnectionID);
return mirror_buffer;
}