Based on PSARDumper's sources.
Recompiled and optimized by mc707.
How to use
1. Copy EDecrypt folder to ms0:/PSP/GAME
2. Copy encrypted file(s) to ms0:/enc/
3. Execute EDecrypt v1.3 on PSP
4. Press X to decrypt file(s) or  to decrypt and patch file(s) for m33
- added many keys
- added 6.10 key
- patching routine
- logging to file ms0:/enc/done/log.txt
- multiple files processing
-added keys for 0xC0CB167C tag
-added 6.0 FW keys
1. Reorganizing to get rid pspdecrypt.prx
2. Encrypting routine
3. Possible: patching Custom Firmware checking
4. Expanding non-encrypted files
Dark_AleX, Team Noobz, Team C+D, M33 Team, Red Bull PSP team, GEN team, jas0nuk, Yoshihiro,
ErikPshat, and one man who deserved it.
REVENGE Crew, all their ex-members and all russian coders.