Search found 2 matches

by andbna
Tue Nov 22, 2005 8:12 am
Forum: General Discussion
Topic: PSP's security
Replies: 3
Views: 3170

Ok, so the programs are encrypted with an RSA algorithm? using a key soney has, and decrypted using a key stored in the BIOS. I found a bunch of info on the RSA algorithm here: http://world.std.com/~franl/crypto/rsa-guts.html So, the BIOS has the modulus and the public exponant and uses it to decryp...
by andbna
Mon Nov 21, 2005 3:13 pm
Forum: General Discussion
Topic: PSP's security
Replies: 3
Views: 3170

PSP's security

Just wondering a few things: 1. What does the PSP use to determin weather a program is official or not. (the reason why we cant play homebre games on 1.51 or later) I heard it was a 128-bit RSA encryption am i wrong? 2. What file would contain the key (EBOOT.pbp?), and is there any documentation on ...