The SHA1 (Secure Hash Algorithm 1) cryptographic hash function is now officially dead and useless, after Google announced today the first ever successful collision attack. SHA1 is a cryptographic hash ...

Learn about cryptographic hash functions in ensuring secure communication and protection of sensitive information, including ...

Security researchers have achieved the first real-world collision attack against the SHA-1 hash function, producing two different PDF files with the same SHA-1 signature. This shows that the algorithm ...

The PHP development team has released version 5.3.9 of the popular Web development platform in order to address a recently disclosed denial-of-service (DoS) vulnerability, as well as other security ...

Understanding Bitcoin is a one-way hash function should make sense because a hash function cannot be reversed. Once you understand that, it is hard to go back to thinking otherwise. The secure hash ...