From: Martin Storsjö Date: Wed, 11 Nov 2015 20:11:19 +0000 (+0200) Subject: rtmpcrypt: Do the xtea decryption in little endian mode X-Git-Tag: android-x86-7.1-r1~252^2~1779 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=588b6215b4c74945994eb9636b0699028c069ed2;p=android-x86%2Fexternal-ffmpeg.git rtmpcrypt: Do the xtea decryption in little endian mode The XTEA algorithm operates on 32 bit numbers, not on byte sequences. The XTEA implementation in libavutil is written assuming big endian numbers, while the rtmpe signature encryption assumes little endian. This fixes rtmpe communication with rtmpe servers that use signature type 8 (XTEA), e.g. crunchyroll. Signed-off-by: Martin Storsjö --- diff --git a/libavformat/rtmpcrypt.c b/libavformat/rtmpcrypt.c index 887427d205..829c280776 100644 --- a/libavformat/rtmpcrypt.c +++ b/libavformat/rtmpcrypt.c @@ -186,7 +186,7 @@ static void rtmpe8_sig(const uint8_t *in, uint8_t *out, int key_id) struct AVXTEA ctx; av_xtea_init(&ctx, rtmpe8_keys[key_id]); - av_xtea_crypt(&ctx, out, in, 1, NULL, 0); + av_xtea_le_crypt(&ctx, out, in, 1, NULL, 0); } static void rtmpe9_sig(const uint8_t *in, uint8_t *out, int key_id)