PBKDF2, which stands for Password-Based Key Derivation Function 2, is a widely used algorithm for securely deriving cryptographic keys from passwords. It is commonly used in various applications such as password hashing and storage. However, it is important to note that the implementation of PBKDF2 can vary depending on the specific system or provider.
In the case of the SimpleMembershipProvider (also known as UniversalProvider) in ASP.NET 2.0, it uses PBKDF2 as its default algorithm for password hashing. However, it is crucial to understand that the PBKDF2 implementation in this particular provider is not FIPS (Federal Information Processing Standards) compliant.
FIPS compliance refers to adherence to a set of security standards established by the National Institute of Standards and Technology (NIST) in the United States. These standards are designed to ensure the security and integrity of cryptographic systems used by government agencies and organizations dealing with sensitive information.
The reason why PBKDF2 in SimpleMembershipProvider is not FIPS compliant is that it does not meet the specific requirements outlined in the FIPS 140-2 standard. The FIPS 140-2 standard defines the security requirements for cryptographic modules, including key derivation functions.
One of the key requirements for FIPS compliance is the use of approved cryptographic algorithms. PBKDF2 itself is an approved algorithm, but the specific implementation in SimpleMembershipProvider may not meet all the necessary requirements outlined in the FIPS 140-2 standard.
It is worth mentioning that FIPS compliance is not always a strict requirement for all applications or organizations. It primarily applies to systems that handle sensitive government or regulated data. If your application does not fall into these categories, FIPS compliance may not be a mandatory requirement.
However, if FIPS compliance is a requirement for your application or organization, it is recommended to use a different password hashing algorithm or a FIPS-compliant implementation of PBKDF2. There are other algorithms, such as bcrypt or scrypt, that are considered more secure and can be used as alternatives to PBKDF2.
The PBKDF2 algorithm used in the SimpleMembershipProvider (UniversalProvider) in ASP.NET 2.0 is not FIPS compliant. If FIPS compliance is a requirement for your application or organization, it is advisable to explore alternative password hashing algorithms or FIPS-compliant implementations of PBKDF2.