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Tag: security

Java 7 support of AES-GCM in SSL/TLS?

According to Java 7 documentation as well as third party vendors, it appears Java 7 should support AES-GCM suites: ibm java 7 java 7 ssl doc I was hitting some errors in negotiation between client and server unable to negotiate a cipher due to restricting it to only the AES-GCM ciphers. After investigation I …

Are server 500 errors a security issue?

I’ve found that it’s possible to cause 500 errors on a server using curl and a faked GWT-Permutation with a POST payload. The payload is generating a java.lang.Exception on an Apache server. Does this open up a security issue? Should I report it to Google’s GWT support? To clarify the questi…

Microsoft ISA Server Authentication in Android

I have an application in Android, in which I were reading files from the remote server, code for reading file is given below; Now all the remote files are behind proxy (Microsoft ISA Server) which required authentication to access the files. Please guide me how I can pass authentication parameters from androi…

Get path from FileDescriptor in Java

Some quick background on my problem: I’m writing a compiler that converts Domain Type Enforcement specs into Java Security Manager code. In a nutshell, DTE defines “types” (objects), assigns paths to those types; then defines “domains” (subjects), and defines what permissions (rw…

PKCS#12 : DerInputStream.getLength() exception

I generate a certificate using the keytool command: Then if I try to load it using java security API, after getting the file as a byte[] : I get a DerInputStream.getLength(): lengthTag=127, too big exception. What is wrong? Answer I had this problem and I’ve searched the depths of google and still could…