PS3: file SHA-1 + QA digest + ECDSA signature. Usually NPDRM packages are signed with two signatures - one for the header and the other for the entry table. pkg consists in some hashes and signatures.Īll NPDRM packages are signed with an ECDSA signature. spkg, a sort of Certified File.Ī System Update package contains 3 segments: System Software Update files are packed into. 2.5.1.10 PSN Package NPDRM by DEL1GHT Team (2010).2.5.1.9 Force Package NPDRM by DEL1GHT Team (2010).