diff --git a/api/vpl/mfxcommon.h b/api/vpl/mfxcommon.h
index 47228376..a25c69da 100644
--- a/api/vpl/mfxcommon.h
+++ b/api/vpl/mfxcommon.h
@@ -148,7 +148,22 @@ typedef enum
 
 } mfxPriority;
 
-typedef struct _mfxEncryptedData mfxEncryptedData;
+typedef struct {
+    mfxU64  IV;
+    mfxU64  Count;
+} mfxAES128CipherCounter;
+
+struct mfxEncryptedData {
+    mfxEncryptedData *Next;
+    mfxHDL reserved1;
+    mfxU8  *Data;
+    mfxU32 DataOffset; /* offset, in bytes, from beginning of buffer to first byte of encrypted data*/
+    mfxU32 DataLength; /* size of plain data in bytes */
+    mfxU32 MaxLength; /*allocated  buffer size in bytes*/
+    mfxAES128CipherCounter CipherCounter;
+    mfxU32 reserved2[8];
+};
+
 MFX_PACK_BEGIN_STRUCT_W_L_TYPE()
 /*! Defines the buffer that holds compressed video data. */
 typedef struct {
diff --git a/api/vpl/mfxstructures.h b/api/vpl/mfxstructures.h
index a34548c7..e4aa1685 100644
--- a/api/vpl/mfxstructures.h
+++ b/api/vpl/mfxstructures.h
@@ -2453,6 +2453,10 @@ enum {
         See the mfxExtAlphaChannelSurface structure for more details.
     */
     MFX_EXTBUFF_ALPHA_CHANNEL_SURFACE = MFX_MAKEFOURCC('A', 'C', 'S', 'F'),
+    /*!
+        See the mfxExtEncryptionParam structure for more details.
+    */
+    MFX_EXTBUFF_ENCRYPTION_PARAM        = MFX_MAKEFOURCC('E', 'N', 'C', 'R'),
 };
 
 /* VPP Conf: Do not use certain algorithms  */
@@ -5313,6 +5317,34 @@ typedef struct {
 } mfxExtAlphaChannelSurface;
 MFX_PACK_END()
 
+typedef struct {
+    /** \brief  The offset relative to the start of the bitstream input in
+     *  bytes of the start of the segment */
+    mfxU32 segment_start_offset;
+    /** \brief  The length of the segments in bytes */
+    mfxU32 segment_length;
+    /** \brief  The length in bytes of the remainder of an incomplete block
+     *  from a previous segment*/
+    mfxU32 partial_aes_block_size;
+    /** \brief  The length in bytes of the initial clear data */
+    mfxU32 init_byte_length;
+    /** \brief  This will be AES counter for secure decode and secure encode
+     *  when numSegments equals 1, valid size is specified by
+     * \c key_blob_size */
+    mfxU8 aes_cbc_iv_or_ctr[64];
+    /** \brief Reserved bytes for future use, must be zero */
+    mfxU32 va_reserved[8];
+} EncryptionSegmentInfo;
+
+typedef struct {
+    mfxExtBuffer Header;      /*!< Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_ENCRYPTION_PARAM. */
+    mfxU32 encryption_type;
+    mfxU8 key_blob[16];
+    mfxU32 session;
+    mfxU32 uiNumSegments;
+    EncryptionSegmentInfo *pSegmentInfo;
+} mfxExtEncryptionParam;
+
 #ifdef __cplusplus
 } // extern "C"