508
edits
Changes
Jump to navigation
Jump to search
Added some padding, also added ending locations
Line 6:
Line 6:
|-
|-
! Start
! Start
+! End
! Length
! Length
! Description
! Description
|-
|-
−| 0x000
+| 0x0000
+| 0x0004
| 4
| 4
| Signature type (always 0x10001 for RSA-2048)
| Signature type (always 0x10001 for RSA-2048)
|-
|-
−| 0x005
+| 0x0004
+| 0x0104
| 256
| 256
| Signature by a certificate's key (everything after this field is covered by this signature)
| Signature by a certificate's key (everything after this field is covered by this signature)
|-
|-
−| 0x140
+| 0x0104
+| 0x0140
+| 60
+| Padding (Always 0)
+|-
+| 0x0140
+| 0x0180
| 64
| 64
| Signature issuer
| Signature issuer
|-
|-
−| 0x1bf
+| 0x0180
+| 0x01bf
+| 63
+| Padding (Always 0)
+|-
+| 0x01bf
+| 0x01cf
| 16
| 16
| Encrypted title key
| Encrypted title key
|-
|-
−| 0x1dc
+| 0x01cf
+| 0x01bf
+| 16
+| Unknown
+|-
+| 0x01dc
+| 0x01e4
| 8
| 8
| Title ID / [http://en.wikipedia.org/wiki/Initialization_Vector Initialization Vector] (IV) used for AES-[http://en.wikipedia.org/wiki/Cipher_Block_Chaining#Cipher-block_chaining_.28CBC.29 CBC] encryption
| Title ID / [http://en.wikipedia.org/wiki/Initialization_Vector Initialization Vector] (IV) used for AES-[http://en.wikipedia.org/wiki/Cipher_Block_Chaining#Cipher-block_chaining_.28CBC.29 CBC] encryption
|-
|-
−| 0x1f1
+| 0x01e4
+| 0x01f1
+| 13
+| Padding (Always 0)
+|-
+| 0x01f1
+| 0x01f2
| 1
| 1
| Common Key index (1 = Korean Common key, 0 = "normal" Common key)
| Common Key index (1 = Korean Common key, 0 = "normal" Common key)
|-
|-
−| 0x222
+| 0x01f2
+| 0x0222
+| 48
+| Padding (Always 0)
+|-
+| 0x0222
+| 0x0242
| 32
| 32
| Always 0xFF (?)
| Always 0xFF (?)
|-
|-
−| 0x244
+| 0x0242
+| 0x0244
+| 2
+| Padding (Always 0)
+|-
+| 0x0244
+| 0x0248
| 4
| 4
| Enable time limit (1 = Enabled, 0 = Disabled)
| Enable time limit (1 = Enabled, 0 = Disabled)
|-
|-
−| 0x248
+| 0x0248
+| 0x024a
| 4
| 4
| Time limit (Seconds)
| Time limit (Seconds)
+|-
+| 0x024a
+| 0x02a4
+| 90
+| Padding (Always 0)
|}
|}
To get the title key decrypt the 16 bytes at offset 0x1bf with the Common Key using the Title ID (offset 0x1dc) as the initialization vector (the last 8 bytes of the IV should be zero).
To get the title key decrypt the 16 bytes at offset 0x1bf with the Common Key using the Title ID (offset 0x1dc) as the initialization vector (the last 8 bytes of the IV should be zero).