Ashish Gupta

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Wirelesses Local Area Networks (WLANs) have become more prevalent and are widely deployed and used in many popular places like university campuses, airports, residences, cafes etc. With this growing popularity, the security of wireless network is also very important. In this study we present the security mechanisms available for WLANs. These security(More)
There has been a lot of interest in the embedded systems community on architectures and design methods that are targeted towards multimedia applications. This trend is pri marily motivated by the proliferation of resource and power-constrained portable devices (such as mobile phones and PDAs), a major portion of whose workload is made up of multimedia(More)
The DNS Security Extensions (DNSSEC) were developed to add origin authentication and integrity. DNSSEC defined a public key infrastructure over DNS tree hierarchy for the public key validation. In DNSSEC, a parent zone authenticates public keys of its child zones. The authentication hierarchy is broken when a parent does not support DNSSEC. This paper(More)
BACKGROUND Anal fissure is one of the commonest proctological diseases with considerable national variation in sequential treatment. We aimed to audit our compliance of chronic anal fissure (CAF) management with national guidance provided by the Association of Coloproctology of Great Britain and Ireland (ACPGBI). METHODS We retrospectively audited(More)
Acute urinary retention secondary to vasculitic penile swelling in children is extremely rare. Henoch-Schönlein purpura is a self-limiting IgA-mediated cutaneous vasculitis, which can cause soft tissue edema. Acute urinary retention requires urgent intervention to prevent obstructive uropathy. Suprapubic catheterization provides an effective management(More)
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