Abstract: HMAC is a shared-key security algorithm that uses hash functions for message authentication and data integrity. The most popular hash functions used with HMAC are MD5, SHA-1, and RIPEMD-160, ...

Abstract: As technology-related test portals become more popular, ensuring user security becomes increasingly important. In this research work, a new approach is proposed for email OTP verification ...

Implementation of the TOTP authentication algorithm written in C, suitable for Embedded application or other enviroments where a low memory impact is required. The ...

When using HMAC algorithms (HS256, HS384, HS512), python-jose and PyJWT exhibit different signature validation behavior compared to Node's jsonwebtoken library. Multiple valid signature endings are ...

I recently found a security flaw in the Google Keyczar crypto library. The impact was that an attacker could forge signatures for data that was “signed” with the SHA-1 HMAC algorithm (the default ...

ABSTRACT: When developing programs or websites, it is very convenient to use relational databases, which contain powerful and convenient tools that allow to work with data very flexibly and get the ...