bcrypt.net – Tarik Billa

Can someone explain how BCrypt verifies a hash?

August 18, 2023 by Tarik

A BCrypt hash string looks like: $2a$10$Ro0CUfOqk6cXEKf3dyaM7OhSCvnwM9s4wIX9JeLapehKK5YdLxKcm \__/\/ \____________________/\_____________________________/ | | Salt Hash | Cost Version Where 2a: Algorithm Identifier (BCrypt, UTF8 encoded password, null terminated) 10: Cost Factor (210 = 1,024 rounds) Ro0CUfOqk6cXEKf3dyaM7O: OpenBSD-Base64 encoded salt (16 bytes ⇒ 22 characters) hSCvnwM9s4wIX9JeLapehKK5YdLxKcm: OpenBSD-Base64 encoded hash (24 bytes ⇒ 31 characters) Edit: i just noticed … Read more

.net implementation of bcrypt

December 24, 2022 by Tarik

It sounds like you are looking for BCrypt.net: BCrypt.net is an implementation of OpenBSD’s Blowfish-based password hashing code, described in “A Future-Adaptable Password Scheme” by Niels Provos and David Mazières. It is a direct port of jBCrypt by Damien Miller, and is thus released under the same BSD-style license. The code is fully managed and … Read more

Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]

December 9, 2022 by Tarik

First, some terms that are important: Hashing – The act of taking a string and producing a sequence of characters that cannot be reverted to the original string. Symmetric Encryption – (Usually just referred to as ‘encryption’) – The act of taking a string and producing a sequence of characters that can be decrypted to … Read more