search

vn-tools / arc_unpacker

CLI tool for extracting images and sounds from visual novels.
GNU General Public License v3.0
561 stars 83 forks source link

JAST ver 1.00 English Song of Saya #175

Open deathzombee opened 4 years ago

deathzombee commented 4 years ago

plugin added based on AES 256 observed in process Compiled and decrypts

font.npk script.npk system.npk voice.npk

Invalid byte sequence on all other .npk in folder

[000000000114EC20] Found AES-256 decryption key: d0b71f3c4e24cecfddeea91d24b0403229a3e5330d2951826051d6c94af5af54 [000000000356BABC] Found AES-128 encryption key: 300100000700000058ac000058ac0000 [000000000356BB5C] Found AES-128 decryption key: 300100000700000058ac000058ac0000 [000000000375BB0C] Found AES-128 encryption key: 300100000700000058ac000058ac0000 [000000000375BBAC] Found AES-128 decryption key: 300100000700000058ac000058ac0000 [000000000B77F390] Found AES-256 decryption key: d0b71f3c4e24cecfddeea91d24b0403229a3e5330d2951826051d6c94af5af54

deathzombee commented 4 years ago

at least as far as I have tested the files font.npk script.npk system.npk voice.npk use the iv: 00000000000000000000000000000000 and the files cg.npk N4_sys.npk sound.npk

they use the iv: 300100000700000058ac000058ac0000