Editing Sealedkey / pfsSKKey
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This key can be found on different places and will be used for eg. | This key can be found on different places and will be used for eg. SaveGame or Trophy Data decryption and encryption. | ||
==== Paths ==== | |||
==== | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Kind !! Path | ! Kind !! Path | ||
|- | |- | ||
| | | Trophys || /user/home/[[User ID|user Id]]/trophy/data/[[sce_trop]]/sealedkey | ||
|- | |- | ||
| | | SaveGames || /user/home/[[User ID|user Id]]/[[NP Title ID|title Id]]/[[save data directory]]/[[sce_sys]]/ | ||
|} | |} | ||
== Structure == | == Structure == | ||
- size always 96 bytes | |||
- size | |||
{| class="wikitable" | {| class="wikitable" | ||
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| 00 || 07 || MAGIC ("pfsSKKey") (?playstation file system sealed key key?) | | 00 || 07 || MAGIC ("pfsSKKey") (?playstation file system sealed key key?) | ||
|- | |- | ||
| 08 || | | 08 || 0F || Category (game=1 or version ?) | ||
|- | |- | ||
| 10 || 1F || IV (16 bytes) | | 10 || 1F || IV (16 bytes) | ||
Line 35: | Line 30: | ||
'''C''' | '''C''' | ||
<source lang="c"> | <source lang="c"> | ||
typedef struct | typedef struct sealedkey { | ||
const unsigned char MAGIC | const unsigned char MAGIC; | ||
const unsigned char | const unsigned char CAT; | ||
const unsigned char IV; | |||
const unsigned char IV | const unsigned char KEY; | ||
const unsigned char KEY | const unsigned char SHA256; | ||
const unsigned char SHA256 | } selaedkey; | ||
} | |||
</source> | </source> | ||
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protected internal struct sealedkey { | protected internal struct sealedkey { | ||
internal static byte[] MAGIC = new byte[8]; | internal static byte[] MAGIC = new byte[8]; | ||
internal static byte[] CAT = new byte[8]; | |||
internal static byte[] | |||
internal static byte[] IV = new byte[16]; | internal static byte[] IV = new byte[16]; | ||
internal static byte[] KEY = new byte[32]; | internal static byte[] KEY = new byte[32]; | ||
Line 57: | Line 50: | ||
</source> | </source> | ||
Note: You | Note: You can't use a const byte[] defination in C#. It need to be a static byte[]. | ||
== De/En -Crypting == | == De/En -Crypting == | ||
Can be decrypted by frindly asking the OS to do it for you. You will need kernel rights to be able to ask the PS4 for it. | |||
Can be decrypted by | |||
<source lang="c"> | <source lang="c"> | ||
/* Decryption */ | /* Decryption */ | ||
#define | #define USER1 10000000 | ||
#define usb0 "/mnt/usb0/" | |||
#define usb1 "/mnt/usb1/" | |||
#define pfs "decrypted_pfsSKKey.key" | |||
typedef unsigned char byte; /* byte defination for c/c++ */ | typedef unsigned char byte; /* byte defination for c/c++ */ | ||
char usb_error = "[-] ERROR: Can't access usb0 nor usb1!\n[-] Will return now to caller.\n" | char usb_error = "[-] ERROR: Can't access usb0 nor usb1!\n[-] Will return now to caller.\n" | ||
char usb0path | char usb0path, usb1path; | ||
byte pfsSKKey[96]; | |||
/* Get's the encrypted sealed key based on user id */ | /* Get's the encrypted sealed key based on user id */ | ||
byte get_pfsSKKey(char userID) { | |||
FILE *pfskey = fopen("/user/home/" + userID + "/trophy/data/sce_trop/sealedkey", "rb"); | |||
if (pfskey == NULL) return 0; | |||
FILE *pfskey = fopen( | |||
if ( | |||
fread( | byte pfsSKKey[96]; | ||
fread(pfsSKKey, 96, 1, pfskey); | |||
fclose(pfskey); | fclose(pfskey); | ||
return | return pfsSKKey; | ||
} | } | ||
/* Dump the sealedkey. Send over tcp and save to file */ | /* Dump the sealedkey. Send over tcp and save to file */ | ||
int dumpDecryptedSealedKey(int to) { | int dumpDecryptedSealedKey(int to) { | ||
if (to | if (to != 0 || to != 1) return -2; | ||
byte pfsSKKey; | |||
if (sizeof((pfsSKKey = get_pfsSKKey(USER1))) != 96) { | |||
if ( | knet_printf("[-] Can not load the sealed key!\n"); | ||
printf("[-] Can not load the sealed key!\n"); | kernel.printf("[-] Can not load the sealed key!\n"); | ||
return -1; | return -1; | ||
} | } | ||
/* | /* Now decrpyt the key */ | ||
byte decyrpted_pfsSKKey[16]; | |||
int i = kernel.sceSblSsDecryptSealedKey(pfsSKKey, decrpyted_pfsSKKey); | |||
knet_printf("[+] sceSblSsDecryptSealedKey returned %d\n", i); | |||
kernel.printf("[+] sceSblSsDecryptSealedKey returned %d\n", i); | |||
/* Sending over tcp */ | |||
if (i) { | |||
if (to == 0) { | |||
knet_printf("[+] Your decrypted sealedkey = "); | |||
kernel.printf("[+] Your decrypted sealedkey = "); | |||
for(int x =0; x < 0x10; x++) { | |||
knet_printf("%02X", dec_pfsSKKey[x]); | |||
kernel.printf("%02X", dec_pfsSKKey[x]); | |||
} | |||
knet_printf("\n"); | |||
kernel.printf("\n"); | |||
return 1; | |||
} /* Saving to file */ | |||
else { | |||
knet_printf("[+] Will try to save to file..."); | |||
kernel.printf("[+] Will try to save to file..."); | |||
usb0path = usb0 + pfs; | |||
usb1path = usb1 + pfs; | |||
FILE *dump = fopen(usb0path, "wb"); | |||
if (dump == NULL) { | |||
dump = fopen(usb1path, "wb"); | |||
if (dump == NULL) { | |||
knet_printf("fail!\n" + usb_error); | |||
kernel.printf("fail!\n" + usb_error); | |||
return -3; | |||
} | |||
} | } | ||
fwrite(dec_pfsSKKey, 16, 1, dump); | |||
knet_printf("done!\n"); | |||
kernel.printf("done!\n"); | |||
fclose(dump); | |||
return 1; | |||
} | } | ||
} | } | ||
else { | |||
knet_printf("[+] Error!\n"); | |||
kernel.printf("[+] Error!\n"); | |||
} | |||
return -1; | |||
} | } | ||
</source> | </source> | ||