public void process ( Hashtable < String , CodeSigner [ ] > signers , List manifestDigests ) throws IOException , SignatureException , NoSuchAlgorithmException , JarException , CertificateException { // calls Signature.getInstance() and MessageDigest.getInstance() // need to use local providers here, see Providers class Object obj = null ; try { obj = Providers . startJarVerification ( ) ; processImpl ( signers , manifestDigests ) ; } finally { Providers . stopJarVerification ( obj ) ; } }
process the signature block file . Goes through the . SF file and adds code signers for each section where the . SF section hash was verified against the Manifest section .