diff options
Diffstat (limited to 'ext/hls/gsthlsdemux.c')
| -rw-r--r-- | ext/hls/gsthlsdemux.c | 49 |
1 files changed, 36 insertions, 13 deletions
diff --git a/ext/hls/gsthlsdemux.c b/ext/hls/gsthlsdemux.c index 6854263bb..32e1b7b69 100644 --- a/ext/hls/gsthlsdemux.c +++ b/ext/hls/gsthlsdemux.c @@ -47,8 +47,7 @@ #include <string.h> #include <gst/glib-compat-private.h> -#include <gnutls/gnutls.h> -#include <gnutls/crypto.h> +#include <gcrypt.h> #include "gsthlsdemux.h" static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src_%u", @@ -1247,8 +1246,8 @@ gst_hls_demux_decrypt_fragment (GstHLSDemux * demux, GstFragment *key_fragment, *ret = NULL; GstBuffer *key_buffer, *encrypted_buffer, *decrypted_buffer; GstMapInfo key_info, encrypted_info, decrypted_info; - gnutls_cipher_hd_t aes_ctx; - gnutls_datum_t key_d, iv_d; + gcry_cipher_hd_t aes_ctx = NULL; + gcry_error_t err = 0; gsize unpadded_size; GST_INFO_OBJECT (demux, "Fetching key %s", key); @@ -1266,15 +1265,21 @@ gst_hls_demux_decrypt_fragment (GstHLSDemux * demux, gst_buffer_map (encrypted_buffer, &encrypted_info, GST_MAP_READ); gst_buffer_map (decrypted_buffer, &decrypted_info, GST_MAP_WRITE); - key_d.data = key_info.data; - key_d.size = 16; - iv_d.data = (unsigned char *) iv; - iv_d.size = 16; - gnutls_cipher_init (&aes_ctx, gnutls_cipher_get_id ("AES-128-CBC"), &key_d, - &iv_d); - gnutls_cipher_decrypt2 (aes_ctx, encrypted_info.data, encrypted_info.size, - decrypted_info.data, decrypted_info.size); - gnutls_cipher_deinit (aes_ctx); + err = + gcry_cipher_open (&aes_ctx, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CBC, 0); + if (err) + goto gcry_error; + err = gcry_cipher_setkey (aes_ctx, key_info.data, 16); + if (err) + goto gcry_error; + err = gcry_cipher_setiv (aes_ctx, iv, 16); + if (err) + goto gcry_error; + err = gcry_cipher_decrypt (aes_ctx, decrypted_info.data, decrypted_info.size, + encrypted_info.data, encrypted_info.size); + if (err) + goto gcry_error; + gcry_cipher_close (aes_ctx); /* Handle pkcs7 unpadding here */ unpadded_size = @@ -1296,6 +1301,24 @@ gst_hls_demux_decrypt_fragment (GstHLSDemux * demux, key_failed: g_object_unref (encrypted_fragment); return ret; + +gcry_error: + GST_ERROR_OBJECT (demux, "Failed to decrypt fragment: %s", + gpg_strerror (err)); + + if (aes_ctx) + gcry_cipher_close (aes_ctx); + + gst_buffer_unref (key_buffer); + gst_buffer_unref (encrypted_buffer); + gst_buffer_unref (decrypted_buffer); + + gst_buffer_unmap (decrypted_buffer, &decrypted_info); + gst_buffer_unmap (encrypted_buffer, &encrypted_info); + gst_buffer_unmap (key_buffer, &key_info); + + g_object_unref (encrypted_fragment); + return ret; } static gboolean |