+static int mov_aaxc_crypto(MOVContext *c)
+{
+ if (c->audible_key_size != 16) {
+ av_log(c->fc, AV_LOG_FATAL, "[aaxc] audible_key value needs to be 16 bytes!\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (c->audible_iv_size != 16) {
+ av_log(c->fc, AV_LOG_FATAL, "[aaxc] audible_iv value needs to be 16 bytes!\n");
+ return AVERROR(EINVAL);
+ }
+
+ c->aes_decrypt = av_aes_alloc();
+ if (!c->aes_decrypt) {
+ return AVERROR(ENOMEM);
+ }
+
+ memcpy(c->file_key, c->audible_key, 16);
+ memcpy(c->file_iv, c->audible_iv, 16);
+ c->aax_mode = 1;
+
+ return 0;
+}
+