Book of the Month – Android in Action

February 21, 2011
Lately I was looking for the best & latest book on Android programming and after stumbling through many of the Android books on Amazon I finally got exactly what I was looking for! . The [...]

No Comments » | Computer Security, Mobile Security, Secure Coding, Security Books | Permalink
Posted by Nagareshwar Talekar

CryptoCode: Create SHA256 Hash using OpenSSL

November 23, 2010
In the previous CryptoCode series articles, I had written about generating MD5/SHA1/SHA256 hashes, encryption/decryption algorithms using Windows Cryptography functions. Today I am writing about creating SHA256 hash using OpenSSL’s Cryptography Library. . OpenSSL is very popular library providing SSL & Cryptography based functions which is consumed by top softwares. OpenSSL library is FREE to use [...]

No Comments » | Computer Security, Cryptography, Secure Coding | Permalink
Posted by Nagareshwar Talekar

CryptoCode: Index of All Crypto Articles

November 17, 2010
Recently I had been writing about code samples for demonstrating the usage of various Cryptography functions such as generating MD5/SHA256 hash generation, encryption of password based on the key, BASE 64 encoder/decoder etc. . Here I have put all of  these Crypto Articles together for easy reference CryptoCode: Generate MD5 Hash using Windows Cryptography Library [...]

No Comments » | Computer Security, Cryptography, Secure Coding | Permalink
Posted by Nagareshwar Talekar

Crypto Code: Base64 Encoder

November 17, 2010
In previous posts I had written about Base64 decoder and other hashing algorithms using Windows Cryptography functions.  In this post I will write simple C program for BASE64 Encoder. . Due to its simplicity BASE64 has become very popular choice for  simple encoding of the passwords or other sensitive data.  But due to its trivial [...]

No Comments » | Computer Security, Cryptography, Secure Coding | Permalink
Posted by Nagareshwar Talekar

CryptoCode: Base64 Decoder

November 2, 2010
In previous blog posts I had written about MD5 & SHA256 Hash generation algorithms as well as DES Encryption/Decryption methods using Windows Cryptography Functions.  Today I am going to present a crypto program for Base64 Decoder – very popular encoding algorithm. . Base64 is commonly used along side the encryption/decryption algorithms as a double layer [...]

No Comments » | Computer Security, Cryptography, Secure Coding | Permalink
Posted by Nagareshwar Talekar

CryptoCode: DES Encryption & Decryption using SHA1 Hash Key

October 22, 2010
In previous posts, I wrote example code for generating MD5 Hash & SHA1 Hash using Windows Cryptography Functions. Here I am going to write about DES encryption/decryption algorithm with SHA1 based Hash key generated using Password.  This is most common way of generating password where in unique data is used to generate a Hash Key [...]

No Comments » | Computer Security, Cryptography, Secure Coding | Permalink
Posted by Nagareshwar Talekar

CryptoCode: Generate SHA1/SHA256 Hash using Windows Cryptography Library

October 22, 2010
In my previous blog post on ‘Generating MD5 Hash’,  I wrote code example on creating MD5 hash.  Today I will be presenting the direct code sample for generating SHA1 hash using Windows Cryptography functions. Due to various collision problems with MD5 Hash, now a days SHA256 hash is used more extensively for unique identification. The [...]

No Comments » | Computer Security, Cryptography, Secure Coding | Permalink
Posted by Nagareshwar Talekar

CryptoCode: Generate MD5 Hash using Windows Cryptography Library

October 22, 2010
Here I have decided to put together series of Crypto sample using Windows Cryptography functions as well as OpenSSL library. This is to make it easier for myself as well as others to find ready to use cryptography code examples. Though some of these code samples are present some where on the net, I am [...]

No Comments » | Computer Security, Cryptography, Secure Coding | Permalink
Posted by Nagareshwar Talekar

DLL Hijacking Exploit – All at One Place

August 24, 2010
The web is full of recent DLL Hijacking Exploit after HDMoore and other security researchers have reported about numerous Windows applications suffering  from these flaws.  Here I have decided to put together simple version with all the relevant links at one place so that one gets the complete picture. . What is DLL Hijacking Vulnerability [...]

No Comments » | Computer Security, Hacking, Hidden Myths, Pen Testing, Secure Coding, Security Tools, Security Vulnerability, Vulnerability Research | Permalink
Posted by Nagareshwar Talekar

Book of the Month – SQL Injection Attacks and Defense

February 22, 2010
SQL Injection is one of the most popular web attacks that the security world has ever witnessed since the evolution of Internet. Till date it remains one of the less understood vulnerability from web security perspective as indicated by growing number of SQL injection attacks. In this direction, this book is set to clear apart [...]

No Comments » | Computer Security, Hacking, Pen Testing, Secure Coding, Security Books, Security Vulnerability, web security | Permalink
Posted by Nagareshwar Talekar

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