Clearsign
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clearsign file is located in sce_sys/ folder. It is NEVER PFS encrypted. It is related to PFS decryption and NPDRM SELFs decryption.
Structure
All values are in big endian format.
typedef struct {
u32 magic; // 7F 44 52 4D ".DRM"
u16 pkg_revision; // same as in PKG
u16 pkg_type; // same as in PKG
u32 drm_type; // same as in PKG
u32 unk; // same as in PKG
u8 contentid[0x30];
u8 padding[0x88];
u8 signature[0x138];
} CLEARSIGN;
Examples
Clearsign of Uncharted Theme
Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 00000000 7F 44 52 4D 80 00 00 01 00 00 00 02 00 00 00 00 .DRM€........... 00000010 45 50 39 30 30 30 2D 50 43 53 46 30 30 30 31 32 EP9000-PCSF00012 00000020 5F 30 30 2D 55 47 41 56 49 54 41 54 48 45 4D 45 _00-UGAVITATHEME 00000030 30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00 0000............ 00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000090 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 000000A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 000000B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 000000C0 00 00 00 00 00 00 00 00 21 9D 10 3B 16 A6 9E 47 ........!..;.¦žG 000000D0 7E F0 79 FD C6 9C D8 18 34 6A 7F 77 AC 04 56 15 ~ðyýÆœØ.4j.w¬.V. 000000E0 6A 9A E2 46 37 88 3C 30 AD 65 8E 91 19 22 EE 66 jšâF7ˆ<0-eŽ‘."îf 000000F0 F3 29 54 5A 4F 9D 0F 25 D8 71 CD 2B FA 36 75 91 ó)TZO..%ØqÍ+ú6u‘ 00000100 0A AE 9B AA 72 7C 38 C9 28 34 5A 8F 6F CE 63 B2 .®›ªr|8É(4Z.oÎc² 00000110 C9 3B 1D 14 D3 15 FC 36 32 0C AE 73 8A 9F E0 73 É;..Ó.ü62.®sŠŸàs 00000120 7E 20 BE D5 8C 08 58 60 38 B7 CE 9A 2D E5 BD 6C ~.¾ÕŒ.X`8·Îš-å½l 00000130 23 75 4A E8 AE CB 9C C4 23 3A B2 20 29 5D 8E 42 #uJè®ËœÄ#:².)]ŽB 00000140 88 79 8B 65 ED 2A D4 5E 28 FA 03 68 8E 66 69 05 ˆy‹eí*Ô^(ú.hŽfi. 00000150 2D A1 94 E3 F1 24 9F 2B 79 31 96 01 71 7C F0 CE -¡”ãñ$Ÿ+y1–.q|ðÎ 00000160 5B 8C 9F B1 28 A5 F6 9B 82 D8 8C EC 56 0F 27 83 [ŒŸ±(¥ö›‚ØŒìV.'ƒ 00000170 CD 8A 07 B7 0B C0 3F 83 40 78 0B 59 13 6A 8B E9 ÍŠ.·.À?ƒ@x.Y.j‹é 00000180 77 4A 93 DA 4D 28 54 95 04 3F 25 7A ED 27 4D FC wJ“ÚM(T•.?%zí'Mü 00000190 A9 39 B5 26 14 6A 6D 53 84 F5 C0 A6 01 DE 5D 71 ©9µ&.jmS„õÀ¦.Þ]q 000001A0 37 50 26 88 AB DE 7F CA 5C E8 4D A6 37 6C 29 CD 7P&ˆ«Þ.Ê\èM¦7l)Í 000001B0 70 4C 19 51 BB 7F 17 D7 18 65 D8 2E C0 76 8E 0C pL.Q»..×.eØ.ÀvŽ. 000001C0 F4 09 6F D0 DE AC 67 54 75 B9 F5 A2 48 DC 17 3E ô.oÐÞ¬gTu¹õ¢HÜ.> 000001D0 01 94 0C 3E 6A 92 65 AE 53 DC F8 C5 E7 57 B9 21 .”.>j’e®SÜøÅçW¹! 000001E0 40 29 18 08 8A 8F F7 4D 9B 08 05 F4 5E 46 95 37 @)..Š.÷M›..ô^F•7 000001F0 7F 10 44 9C A8 4B 3D F6 12 42 FD 0F 25 E6 DC A1 ..Dœ¨K=ö.Bý.%æÜ¡