[FFmpeg-devel] [PATCH] avformat/mov: add support for multiple decryption keys
Kacper Michajlow
kasper93 at gmail.com
Thu Aug 1 03:53:29 EEST 2024
On Mon, 13 Nov 2023 at 09:40, Adrien Guinet <adrien at guinet.me> wrote:
>
> This commit introduces new options to support more than one decryption
> keys:
> * add a decryption_keys option to MOV, that supports a dictionnary of
> KID=>key (in hex), using AV_OPT_TYPE_DICT
> * add the corresponding cenc_decryption_keys option to DASH
> ---
> doc/demuxers.texi | 12 +++-
> libavformat/dashdec.c | 6 +-
> libavformat/isom.h | 5 +-
> libavformat/mov.c | 80 ++++++++++++++++++----
> tests/fate/mov.mak | 12 ++++
> tests/ref/fate/mov-3elist-encrypted-kid | 57 +++++++++++++++
> tests/ref/fate/mov-frag-encrypted-kid | 57 +++++++++++++++
> tests/ref/fate/mov-tenc-only-encrypted-kid | 57 +++++++++++++++
> 8 files changed, 269 insertions(+), 17 deletions(-)
> create mode 100644 tests/ref/fate/mov-3elist-encrypted-kid
> create mode 100644 tests/ref/fate/mov-frag-encrypted-kid
> create mode 100644 tests/ref/fate/mov-tenc-only-encrypted-kid
>
> diff --git a/doc/demuxers.texi b/doc/demuxers.texi
> index ca1563abb0..9d0ab6025c 100644
> --- a/doc/demuxers.texi
> +++ b/doc/demuxers.texi
> @@ -281,7 +281,11 @@ This demuxer accepts the following option:
> @table @option
>
> @item cenc_decryption_key
> -16-byte key, in hex, to decrypt files encrypted using ISO Common Encryption (CENC/AES-128 CTR; ISO/IEC 23001-7).
> +Default 16-byte key, in hex, to decrypt files encrypted using ISO Common Encryption (CENC/AES-128 CTR; ISO/IEC 23001-7).
> +
> + at item cenc_decryption_keys
> +Dictionary of 16-byte key ID => 16-byte key, both in hex, to decrypt files encrypted using ISO Common Encryption
> +(CENC/AES-128 CTR; ISO/IEC 23001-7).
>
> @end table
>
> @@ -769,7 +773,11 @@ Fixed key used for handling Audible AAX/AAX+ files. It has been pre-set so shoul
> specify.
>
> @item decryption_key
> -16-byte key, in hex, to decrypt files encrypted using ISO Common Encryption (CENC/AES-128 CTR; ISO/IEC 23001-7).
> +Default 16-byte key, in hex, to decrypt files encrypted using ISO Common Encryption (CENC/AES-128 CTR; ISO/IEC 23001-7).
> +
> + at item decryption_keys
> +Dictionary of 16-byte key ID => 16-byte key, both in hex, to decrypt files encrypted using ISO Common Encryption
> +(CENC/AES-128 CTR; ISO/IEC 23001-7).
>
> @item max_stts_delta
> Very high sample deltas written in a trak's stts box may occasionally be intended but usually they are written in
> diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
> index 1215407f3c..091deac854 100644
> --- a/libavformat/dashdec.c
> +++ b/libavformat/dashdec.c
> @@ -153,6 +153,7 @@ typedef struct DASHContext {
> AVDictionary *avio_opts;
> int max_url_size;
> char *cenc_decryption_key;
> + char *cenc_decryption_keys;
>
> /* Flags for init section*/
> int is_init_section_common_video;
> @@ -1903,6 +1904,8 @@ static int reopen_demux_for_component(AVFormatContext *s, struct representation
>
> if (c->cenc_decryption_key)
> av_dict_set(&in_fmt_opts, "decryption_key", c->cenc_decryption_key, 0);
> + if (c->cenc_decryption_keys)
> + av_dict_set(&in_fmt_opts, "decryption_keys", c->cenc_decryption_keys, 0);
>
> // provide additional information from mpd if available
> ret = avformat_open_input(&pls->ctx, "", in_fmt, &in_fmt_opts); //pls->init_section->url
> @@ -2344,7 +2347,8 @@ static const AVOption dash_options[] = {
> OFFSET(allowed_extensions), AV_OPT_TYPE_STRING,
> {.str = "aac,m4a,m4s,m4v,mov,mp4,webm,ts"},
> INT_MIN, INT_MAX, FLAGS},
> - { "cenc_decryption_key", "Media decryption key (hex)", OFFSET(cenc_decryption_key), AV_OPT_TYPE_STRING, {.str = NULL}, INT_MIN, INT_MAX, .flags = FLAGS },
> + { "cenc_decryption_key", "Media default decryption key (hex)", OFFSET(cenc_decryption_key), AV_OPT_TYPE_STRING, {.str = NULL}, INT_MIN, INT_MAX, .flags = FLAGS },
> + { "cenc_decryption_keys", "Media decryption keys by KID (hex)", OFFSET(cenc_decryption_keys), AV_OPT_TYPE_STRING, {.str = NULL}, INT_MIN, INT_MAX, .flags = FLAGS },
> {NULL}
> };
>
> diff --git a/libavformat/isom.h b/libavformat/isom.h
> index 3d375d7a46..83bacb96a1 100644
> --- a/libavformat/isom.h
> +++ b/libavformat/isom.h
> @@ -312,8 +312,8 @@ typedef struct MOVContext {
> void *audible_iv;
> int audible_iv_size;
> struct AVAES *aes_decrypt;
> - uint8_t *decryption_key;
> - int decryption_key_len;
> + uint8_t *decryption_default_key;
> + int decryption_default_key_len;
> int enable_drefs;
> int32_t movie_display_matrix[3][3]; ///< display matrix from mvhd
> int have_read_mfra_size;
> @@ -328,6 +328,7 @@ typedef struct MOVContext {
> } *avif_info;
> int avif_info_size;
> int interleaved_read;
> + AVDictionary* decryption_keys;
> } MOVContext;
>
> int ff_mp4_read_descr_len(AVIOContext *pb);
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index 34ca8095c2..550bce86f5 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -7118,19 +7118,62 @@ static int mov_read_dfla(MOVContext *c, AVIOContext *pb, MOVAtom atom)
> return 0;
> }
>
> +static int get_key_from_kid(uint8_t* out, int len, MOVContext *c, AVEncryptionInfo *sample) {
> + AVDictionaryEntry *key_entry_hex;
> + char kid_hex[16*2+1];
> +
> + if (c->decryption_default_key && c->decryption_default_key_len != len) {
> + av_log(c->fc, AV_LOG_ERROR, "invalid default decryption key length: got %d, expected %d\n", c->decryption_default_key_len, len);
> + return -1;
> + }
> +
> + if (!c->decryption_keys) {
> + av_assert0(c->decryption_default_key);
> + memcpy(out, c->decryption_default_key, len);
> + return 0;
> + }
> +
> + if (sample->key_id_size != 16) {
> + av_log(c->fc, AV_LOG_ERROR, "invalid key ID size: got %u, expected 16\n", sample->key_id_size);
> + return -1;
> + }
> +
> + ff_data_to_hex(kid_hex, sample->key_id, 16, 1);
> + key_entry_hex = av_dict_get(c->decryption_keys, kid_hex, NULL, AV_DICT_DONT_STRDUP_KEY|AV_DICT_DONT_STRDUP_VAL);
> + if (!key_entry_hex) {
> + if (!c->decryption_default_key) {
> + av_log(c->fc, AV_LOG_ERROR, "unable to find KID %s\n", kid_hex);
> + return -1;
> + }
> + memcpy(out, c->decryption_default_key, len);
> + return 0;
> + }
> + if (strlen(key_entry_hex->value) != len*2) {
> + return -1;
> + }
> + ff_hex_to_data(out, key_entry_hex->value);
> + return 0;
> +}
> +
> static int cenc_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryptionInfo *sample, uint8_t *input, int size)
> {
> int i, ret;
> int bytes_of_protected_data;
> + uint8_t decryption_key[AES_CTR_KEY_SIZE];
>
> if (!sc->cenc.aes_ctr) {
> + ret = get_key_from_kid(decryption_key, sizeof(decryption_key), c, sample);
> + if (ret < 0) {
> + return ret;
> + }
> +
> /* initialize the cipher */
> sc->cenc.aes_ctr = av_aes_ctr_alloc();
> if (!sc->cenc.aes_ctr) {
> return AVERROR(ENOMEM);
> }
>
> - ret = av_aes_ctr_init(sc->cenc.aes_ctr, c->decryption_key);
> + ret = av_aes_ctr_init(sc->cenc.aes_ctr, decryption_key);
> if (ret < 0) {
> return ret;
> }
> @@ -7176,15 +7219,21 @@ static int cbc1_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryption
> int i, ret;
> int num_of_encrypted_blocks;
> uint8_t iv[16];
> + uint8_t decryption_key[16];
>
> if (!sc->cenc.aes_ctx) {
> + ret = get_key_from_kid(decryption_key, sizeof(decryption_key), c, sample);
> + if (ret < 0) {
> + return ret;
> + }
> +
> /* initialize the cipher */
> sc->cenc.aes_ctx = av_aes_alloc();
> if (!sc->cenc.aes_ctx) {
> return AVERROR(ENOMEM);
> }
>
> - ret = av_aes_init(sc->cenc.aes_ctx, c->decryption_key, 16 * 8, 1);
> + ret = av_aes_init(sc->cenc.aes_ctx, decryption_key, 16 * 8, 1);
> if (ret < 0) {
> return ret;
> }
> @@ -7235,15 +7284,21 @@ static int cens_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryption
> {
> int i, ret, rem_bytes;
> uint8_t *data;
> + uint8_t decryption_key[AES_CTR_KEY_SIZE];
>
> if (!sc->cenc.aes_ctr) {
> + ret = get_key_from_kid(decryption_key, sizeof(decryption_key), c, sample);
> + if (ret < 0) {
> + return ret;
> + }
> +
> /* initialize the cipher */
> sc->cenc.aes_ctr = av_aes_ctr_alloc();
> if (!sc->cenc.aes_ctr) {
> return AVERROR(ENOMEM);
> }
>
> - ret = av_aes_ctr_init(sc->cenc.aes_ctr, c->decryption_key);
> + ret = av_aes_ctr_init(sc->cenc.aes_ctr, decryption_key);
> if (ret < 0) {
> return ret;
> }
> @@ -7301,15 +7356,21 @@ static int cbcs_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryption
> int i, ret, rem_bytes;
> uint8_t iv[16];
> uint8_t *data;
> + uint8_t decryption_key[16];
>
> if (!sc->cenc.aes_ctx) {
> + ret = get_key_from_kid(decryption_key, sizeof(decryption_key), c, sample);
> + if (ret < 0) {
> + return ret;
> + }
> +
> /* initialize the cipher */
> sc->cenc.aes_ctx = av_aes_alloc();
> if (!sc->cenc.aes_ctx) {
> return AVERROR(ENOMEM);
> }
>
> - ret = av_aes_init(sc->cenc.aes_ctx, c->decryption_key, 16 * 8, 1);
> + ret = av_aes_init(sc->cenc.aes_ctx, decryption_key, 16 * 8, 1);
> if (ret < 0) {
> return ret;
> }
> @@ -7452,7 +7513,7 @@ static int cenc_filter(MOVContext *mov, AVStream* st, MOVStreamContext *sc, AVPa
> return AVERROR_INVALIDDATA;
> }
>
> - if (mov->decryption_key) {
> + if (mov->decryption_keys || mov->decryption_default_key) {
> return cenc_decrypt(mov, sc, encrypted_sample, pkt->data, pkt->size);
> } else {
> size_t size;
> @@ -8601,12 +8662,6 @@ static int mov_read_header(AVFormatContext *s)
> MOVAtom atom = { AV_RL32("root") };
> int i;
>
> - if (mov->decryption_key_len != 0 && mov->decryption_key_len != AES_CTR_KEY_SIZE) {
> - av_log(s, AV_LOG_ERROR, "Invalid decryption key len %d expected %d\n",
> - mov->decryption_key_len, AES_CTR_KEY_SIZE);
> - return AVERROR(EINVAL);
> - }
> -
> mov->fc = s;
> mov->trak_index = -1;
> /* .mov and .mp4 aren't streamable anyway (only progressive download if moov is before mdat) */
> @@ -9305,7 +9360,8 @@ static const AVOption mov_options[] = {
> "Fixed key used for handling Audible AAX files", OFFSET(audible_fixed_key),
> AV_OPT_TYPE_BINARY, {.str="77214d4b196a87cd520045fd20a51d67"},
> .flags = AV_OPT_FLAG_DECODING_PARAM },
> - { "decryption_key", "The media decryption key (hex)", OFFSET(decryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_DECODING_PARAM },
> + { "decryption_key", "The default media decryption key (hex)", OFFSET(decryption_default_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_DECODING_PARAM },
> + { "decryption_keys", "The media decryption keys by KID (hex)", OFFSET(decryption_keys), AV_OPT_TYPE_DICT, .flags = AV_OPT_FLAG_DECODING_PARAM },
> { "enable_drefs", "Enable external track support.", OFFSET(enable_drefs), AV_OPT_TYPE_BOOL,
> {.i64 = 0}, 0, 1, FLAGS },
> { "max_stts_delta", "treat offsets above this value as invalid", OFFSET(max_stts_delta), AV_OPT_TYPE_INT, {.i64 = UINT_MAX-48000*10 }, 0, UINT_MAX, .flags = AV_OPT_FLAG_DECODING_PARAM },
> diff --git a/tests/fate/mov.mak b/tests/fate/mov.mak
> index 6cb493ceab..c420d8ab10 100644
> --- a/tests/fate/mov.mak
> +++ b/tests/fate/mov.mak
> @@ -8,6 +8,9 @@ FATE_MOV = fate-mov-3elist \
> fate-mov-3elist-encrypted \
> fate-mov-frag-encrypted \
> fate-mov-tenc-only-encrypted \
> + fate-mov-3elist-encrypted-kid \
> + fate-mov-frag-encrypted-kid \
> + fate-mov-tenc-only-encrypted-kid \
> fate-mov-invalid-elst-entry-count \
> fate-mov-gpmf-remux \
> fate-mov-440hz-10ms \
> @@ -57,6 +60,15 @@ fate-mov-frag-encrypted: CMD = framemd5 -decryption_key 123456789012345678901234
> # Full-sample encryption and constant IV using only tenc atom (no senc/saio/saiz).
> fate-mov-tenc-only-encrypted: CMD = framemd5 -decryption_key 12345678901234567890123456789012 -i $(TARGET_SAMPLES)/mov/mov-tenc-only-encrypted.mp4
>
> +# Edit list with encryption, using the decryption_keys option.
> +fate-mov-3elist-encrypted-kid: CMD = framemd5 -decryption_keys 12345678901234567890123456789012=12345678901234567890123456789012 -i $(TARGET_SAMPLES)/mov/mov-3elist-encrypted.mov
> +
> +# Fragmented encryption with senc boxes in movie fragments, using the decryption_keys option.
> +fate-mov-frag-encrypted-kid: CMD = framemd5 -decryption_keys abba271e8bcf552bbd2e86a434a9a5d9=12345678901234567890123456789012 -i $(TARGET_SAMPLES)/mov/mov-frag-encrypted.mp4
> +
> +# Full-sample encryption and constant IV using only tenc atom (no senc/saio/saiz), using the decryption_keys option.
> +fate-mov-tenc-only-encrypted-kid: CMD = framemd5 -decryption_keys abba271e8bcf552bbd2e86a434a9a5d9=12345678901234567890123456789012 -i $(TARGET_SAMPLES)/mov/mov-tenc-only-encrypted.mp4
> +
> # Makes sure that the CTTS is also modified when we fix avindex in mov.c while parsing edit lists.
> fate-mov-elist-starts-ctts-2ndsample: CMD = framemd5 -i $(TARGET_SAMPLES)/mov/mov-elist-starts-ctts-2ndsample.mov
>
> diff --git a/tests/ref/fate/mov-3elist-encrypted-kid b/tests/ref/fate/mov-3elist-encrypted-kid
> new file mode 100644
> index 0000000000..daf4927e0f
> --- /dev/null
> +++ b/tests/ref/fate/mov-3elist-encrypted-kid
> @@ -0,0 +1,57 @@
> +#format: frame checksums
> +#version: 2
> +#hash: MD5
> +#tb 0: 1/24
> +#media_type 0: video
> +#codec_id 0: rawvideo
> +#dimensions 0: 640x480
> +#sar 0: 0/1
> +#stream#, dts, pts, duration, size, hash
> +0, 0, 0, 1, 460800, 80fbbdec589e15e6c493b44d243f92a9
> +0, 1, 1, 1, 460800, f4b23293bb2ecf69cc3570853d8c56a1
> +0, 2, 2, 1, 460800, 0c03ce2c1c6ec405d7455465ecd559a3
> +0, 3, 3, 1, 460800, 7921791695537fba2c3c123da4834cb9
> +0, 4, 4, 1, 460800, 30c8e2903a561b84d4cbaf95c668d236
> +0, 5, 5, 1, 460800, 7ff42e998217c17592ddf6b584f26cef
> +0, 6, 6, 1, 460800, 5e402c48bf097db2d31b82bb4194a382
> +0, 7, 7, 1, 460800, 824c49e92c8ae6d99a0207b514dd756c
> +0, 8, 8, 1, 460800, 24f189216a1d9cf2313b2d6dbe3dbdd3
> +0, 9, 9, 1, 460800, 519179a8e74275d26b183374637e003f
> +0, 10, 10, 1, 460800, f18331ddcef0adf5b069bfa98baf8db4
> +0, 11, 11, 1, 460800, 081f61688690d47dbdddd5384e5d5a70
> +0, 12, 12, 1, 460800, 90dbf019b9035433371a8df41a9268b7
> +0, 13, 13, 1, 460800, bb5adfb9c66732898b34186eca1667ba
> +0, 14, 14, 1, 460800, cc08cfd64f37783ecddaf143f6ad78bc
> +0, 15, 15, 1, 460800, b8ae21d024fe4df903d56f4521993c72
> +0, 16, 16, 1, 460800, b45a99907f045dcadf0a2befc11555e3
> +0, 17, 17, 1, 460800, 603ba935845e65ab6cccbbec88bbf60d
> +0, 18, 18, 1, 460800, df80c8d3e6a77258a306903f17995a18
> +0, 19, 19, 1, 460800, 4b7e90c0a5fd0e0cd958d47f0afac636
> +0, 20, 20, 1, 460800, 9feb6e36182f1745be6387edea240eb6
> +0, 21, 21, 1, 460800, 86e6de4bd0a5ff7558f4cf6c1ec3930d
> +0, 22, 22, 1, 460800, 726b69df77edbe7b503d4698656d1320
> +0, 23, 23, 1, 460800, d282fb7a953ac205b0a43d00c2d60a33
> +0, 24, 24, 1, 460800, eece3daa70cc20208dd75d91ac84c8fd
> +0, 25, 25, 1, 460800, c86d23e73bcce351fc315fb1f13348da
> +0, 26, 26, 1, 460800, 93497b4f7c5ad9d61212239b7c9d2770
> +0, 27, 27, 1, 460800, eb217d2c12de67903835a8c58f620488
> +0, 28, 28, 1, 460800, d966480867bb54c8cd044f18388ed486
> +0, 29, 29, 1, 460800, 3ea6207942b3181fdd8e8aa6cae1062a
> +0, 30, 30, 1, 460800, 2620df54aca086ec0fb9527c6e6f5135
> +0, 31, 31, 1, 460800, 43bb7320f0bb583188dc965ddbfade90
> +0, 32, 32, 1, 460800, 0cddaa04645f804e02f65b0836412113
> +0, 33, 33, 1, 460800, 83b2dc95807289d7f4a4632bf18c2e97
> +0, 34, 34, 1, 460800, 98134d0e41e6dd12827049ccf33b4669
> +0, 35, 35, 1, 460800, 56f55631731fa39c7acbab0afeb2eb1b
> +0, 36, 36, 1, 460800, 379c1105be09d836a515dc909455ddf4
> +0, 37, 37, 1, 460800, 1df87c47e9d98731faf1c3885b77e5da
> +0, 38, 38, 1, 460800, 9a8734bcbfdb4d97e530683b8b556a26
> +0, 39, 39, 1, 460800, c7a7990d0cddc5adfbe27da7a42e025e
> +0, 40, 40, 1, 460800, 0c81e46011e03be410feaf056207fd55
> +0, 41, 41, 1, 460800, ca76e4e63016ff29d8aeeb9cb053bb6c
> +0, 42, 42, 1, 460800, cebfbe299c17c1f8fc1e6b189555c3c2
> +0, 43, 43, 1, 460800, 4f002c5feca5e75f07089e0df47507dd
> +0, 44, 44, 1, 460800, c5fd83fc4a745abee9b3d9a6eec9dd3e
> +0, 45, 45, 1, 460800, 57d9bad9b45aa2746de5d8bdc2c24969
> +0, 46, 46, 1, 460800, 9831673ad7dec167af4a959f64258949
> +0, 47, 47, 1, 460800, 77a1cb208f70f51bcb01e28d8cba73b4
> diff --git a/tests/ref/fate/mov-frag-encrypted-kid b/tests/ref/fate/mov-frag-encrypted-kid
> new file mode 100644
> index 0000000000..e6c109b566
> --- /dev/null
> +++ b/tests/ref/fate/mov-frag-encrypted-kid
> @@ -0,0 +1,57 @@
> +#format: frame checksums
> +#version: 2
> +#hash: MD5
> +#tb 0: 1/24
> +#media_type 0: video
> +#codec_id 0: rawvideo
> +#dimensions 0: 120x52
> +#sar 0: 544/545
> +#stream#, dts, pts, duration, size, hash
> +0, 0, 0, 1, 9360, 920bdc277a6a31c1daed9aca44b10caf
> +0, 1, 1, 1, 9360, f1c0b61fef593de57cb97be7fa846569
> +0, 2, 2, 1, 9360, 6ef32d9d4398355aebf6d3fb11d51d3f
> +0, 3, 3, 1, 9360, d38fd3ef1e5a92fc109b8dd9eb6dadeb
> +0, 4, 4, 1, 9360, 54cc0c8a25d2f14f32663837d5e646f1
> +0, 5, 5, 1, 9360, b4b6829726dc3decb8b80ba0c35bcf30
> +0, 6, 6, 1, 9360, fca3f941e60a2f0a4ce30d5e0efbec3c
> +0, 7, 7, 1, 9360, cda6e26b6c1039ff3d229b262c9210c3
> +0, 8, 8, 1, 9360, f0d69255e3a27a8b4ae8a4b7b210929d
> +0, 9, 9, 1, 9360, 12cb23dd4e32af9c3b35f943714e3fdd
> +0, 10, 10, 1, 9360, 082aaf3216124ddcecb422fe5c832e82
> +0, 11, 11, 1, 9360, ff37bb8cd6bd0412a3b3cb45db54afc9
> +0, 12, 12, 1, 9360, dfb9085441575732844b6c2f05d5f542
> +0, 13, 13, 1, 9360, 0017100feaaa9fc7eacd2447d50d7542
> +0, 14, 14, 1, 9360, 4e2f1b8c4e04c59934c2f58541e62613
> +0, 15, 15, 1, 9360, 27a44dfea7cd2d30e488194c34ab473c
> +0, 16, 16, 1, 9360, fc7b56bd95e990a33cf575d1ef820902
> +0, 17, 17, 1, 9360, fa2d1609e69714dffc410e65f3c8b755
> +0, 18, 18, 1, 9360, 705d7429f447cb13febe202d567795f2
> +0, 19, 19, 1, 9360, 234802ce86e868faaf2cd40a286846ea
> +0, 20, 20, 1, 9360, 2f0354b40d211d0a4ade4568bea4f85e
> +0, 21, 21, 1, 9360, e96af3b6c0cc931463ca77d6be0f1148
> +0, 22, 22, 1, 9360, 04a904d798361959971361401879c7e4
> +0, 23, 23, 1, 9360, 2f119642340df6d25362b5590ded46b7
> +0, 24, 24, 1, 9360, 5993fca2e60050706f857ac76e48f386
> +0, 25, 25, 1, 9360, 2ff3b5775fed3d527bfbbeea786787fe
> +0, 26, 26, 1, 9360, 42024dbe23d3fb5b0d8987ae1ce390a8
> +0, 27, 27, 1, 9360, d804204f0bd9db5f6a758e2c934d9e38
> +0, 28, 28, 1, 9360, e322712e6e34c58ec1a2ab5e2c1e3bfe
> +0, 29, 29, 1, 9360, 3975bd1a5f6a6b6260276777f9de611e
> +0, 30, 30, 1, 9360, 4388f0412efc6310706a7cdedc859ea9
> +0, 31, 31, 1, 9360, b4b9a11b0b86635267345a569640e8d4
> +0, 32, 32, 1, 9360, 31879c7b8d6b67a4209ffde786bb8cb4
> +0, 33, 33, 1, 9360, 4b6dc02d7c889fe4abd4e013b25f585a
> +0, 34, 34, 1, 9360, dc73aae82bd39a1220d1106c8d3e8252
> +0, 35, 35, 1, 9360, 54c7dfbd49f312806f6c1a89f7c2c36f
> +0, 36, 36, 1, 9360, 150abc64f8994d444a521ea90570443c
> +0, 37, 37, 1, 9360, d277cdc7dcadbe0016f2e950459e7ebf
> +0, 38, 38, 1, 9360, 2196bf338ead90ea54687b85c73c8229
> +0, 39, 39, 1, 9360, 53ce5da5365abc0bd3217dd98e7c465d
> +0, 40, 40, 1, 9360, 34ee9832aea55c0c4e6f4381c413c10e
> +0, 41, 41, 1, 9360, 1769c7b5849e4681119067a06ac29a4f
> +0, 42, 42, 1, 9360, 71f53df739ef283a5184c91ef4b158e8
> +0, 43, 43, 1, 9360, d2d394739e9a59c06f0354c16843cb63
> +0, 44, 44, 1, 9360, d8e458e92ae29344505a24a3059fc584
> +0, 45, 45, 1, 9360, 0f1b11a09911851b798df2ef76253a7f
> +0, 46, 46, 1, 9360, 5c4a9f22baecf4e749c0d5c65a4f1007
> +0, 47, 47, 1, 9360, 3e2b7e7262fdca08d9d1ef6070125c4b
> diff --git a/tests/ref/fate/mov-tenc-only-encrypted-kid b/tests/ref/fate/mov-tenc-only-encrypted-kid
> new file mode 100644
> index 0000000000..1d57aa6a80
> --- /dev/null
> +++ b/tests/ref/fate/mov-tenc-only-encrypted-kid
> @@ -0,0 +1,57 @@
> +#format: frame checksums
> +#version: 2
> +#hash: MD5
> +#tb 0: 1/24
> +#media_type 0: video
> +#codec_id 0: rawvideo
> +#dimensions 0: 1024x436
> +#sar 0: 1/1
> +#stream#, dts, pts, duration, size, hash
> +0, 0, 0, 1, 669696, f48f296a85eda5ba069dc851a3228bef
> +0, 1, 1, 1, 669696, a50c5f69bfa3387d49b5bdf738e6529c
> +0, 2, 2, 1, 669696, 05061299003760f6a4795b408f72aa31
> +0, 3, 3, 1, 669696, 2572119f0b0cdd83f8a7e06252cecd3b
> +0, 4, 4, 1, 669696, 29fe6a6bdb4a69018e318886a297f07e
> +0, 5, 5, 1, 669696, e8233c7fbaecfbff965c7dfdd3982b1b
> +0, 6, 6, 1, 669696, d9259df9880ff5d4a4b38282e67f407b
> +0, 7, 7, 1, 669696, 3e8d795195038993503ea9ab6984c915
> +0, 8, 8, 1, 669696, bc4e2d253b715a34f85aae1b080e3460
> +0, 9, 9, 1, 669696, 09aba8b3a96f53f9268e7420a10bfab6
> +0, 10, 10, 1, 669696, 179447977dd580da8b35fb5310a809ca
> +0, 11, 11, 1, 669696, 7a0eea9d54577990345f5705ab9882be
> +0, 12, 12, 1, 669696, 5bb96eb76f461825740e5938456df759
> +0, 13, 13, 1, 669696, bd4ac4a760ead774b9422a27dc071964
> +0, 14, 14, 1, 669696, 1cc05f760a9b751fc89e77f2bcc97259
> +0, 15, 15, 1, 669696, 825d0dee6f0174ba7102892c7de30b4d
> +0, 16, 16, 1, 669696, d26a2ef5267f6bb03c4e1d8514eee0df
> +0, 17, 17, 1, 669696, c916ffdeadca76596a8f7fd47914b5ef
> +0, 18, 18, 1, 669696, 6e085acfa7fee0658ea0ae6188274c17
> +0, 19, 19, 1, 669696, 1e95fa5b3561283f05bf0bd44cb91721
> +0, 20, 20, 1, 669696, 37e3d135aba9dfb8b87e441753115374
> +0, 21, 21, 1, 669696, 9c398310e8564491de624393c16265ce
> +0, 22, 22, 1, 669696, c87209e4d2617bc2ab40a75f455f09da
> +0, 23, 23, 1, 669696, 2679c2f8d1d1af21982e245945c1ee60
> +0, 24, 24, 1, 669696, 6151ab4781f31c5beb66b356ad547122
> +0, 25, 25, 1, 669696, f7ef6293bfb3a6a329061cb6a5ed5a38
> +0, 26, 26, 1, 669696, 2f6e666d14dfc407ca0c0f347b13eb08
> +0, 27, 27, 1, 669696, 3454fa1730d79b1aa8dbbc865dc150f4
> +0, 28, 28, 1, 669696, e93dc683e2453419a0419ab9af0f8f95
> +0, 29, 29, 1, 669696, 031eb3154f7f83cf86d42bee66be9cf7
> +0, 30, 30, 1, 669696, 1205c36723e88811206c68892d3aaed6
> +0, 31, 31, 1, 669696, 7dd7a8a19dcd73b31ddc6a6d0c597a42
> +0, 32, 32, 1, 669696, 7c91115368ea2531262a1197468bc3f4
> +0, 33, 33, 1, 669696, 3cf6d9ba385e0fff76da33299ed5380c
> +0, 34, 34, 1, 669696, 859fc8c3ef049e3c1175a85fb0a90a3d
> +0, 35, 35, 1, 669696, 1d09ce6c7027103d99a4d5799f6e72ab
> +0, 36, 36, 1, 669696, 3dcb8357408ac88abd734128d8f5dd6f
> +0, 37, 37, 1, 669696, 4dafce137a0a5178f6efaec878e64d36
> +0, 38, 38, 1, 669696, 44c478f29a1399ed03275a7357f57d48
> +0, 39, 39, 1, 669696, 6e9edaac7414c0e14591ac3d4d0b1ac4
> +0, 40, 40, 1, 669696, 522e4aaeea0825da27f631a9e690d654
> +0, 41, 41, 1, 669696, 85f2502a718440834c40051d30f8a65e
> +0, 42, 42, 1, 669696, ae8816f7bd4645ef1a17ee6d09b4c8d2
> +0, 43, 43, 1, 669696, 914b006fa92f1eb3e590245749f6810d
> +0, 44, 44, 1, 669696, 9406901542e94c429dff46108782ed69
> +0, 45, 45, 1, 669696, 324c13641c39eef5c476023e358c0391
> +0, 46, 46, 1, 669696, 4058e886e17c22e4eb9da1dd0d6ad891
> +0, 47, 47, 1, 669696, 9edf9cd15eea985b42fd1f5035b1d693
> --
> 2.42.0
Works as advertised, thanks. Hope it can be merged one day.
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