diff --git a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs index de83b023d..a037415a9 100644 --- a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs +++ b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs @@ -31,7 +31,7 @@ namespace Emby.Server.Implementations.Cryptography private RandomNumberGenerator _randomNumberGenerator; - private bool _disposed = false; + private bool _disposed; /// /// Initializes a new instance of the class. @@ -56,15 +56,13 @@ namespace Emby.Server.Implementations.Cryptography { // downgrading for now as we need this library to be dotnetstandard compliant // with this downgrade we'll add a check to make sure we're on the downgrade method at the moment - if (method == DefaultHashMethod) + if (method != DefaultHashMethod) { - using (var r = new Rfc2898DeriveBytes(bytes, salt, iterations)) - { - return r.GetBytes(32); - } + throw new CryptographicException($"Cannot currently use PBKDF2 with requested hash method: {method}"); } - throw new CryptographicException($"Cannot currently use PBKDF2 with requested hash method: {method}"); + using var r = new Rfc2898DeriveBytes(bytes, salt, iterations); + return r.GetBytes(32); } /// @@ -74,25 +72,22 @@ namespace Emby.Server.Implementations.Cryptography { return PBKDF2(hashMethod, bytes, salt, DefaultIterations); } - else if (_supportedHashMethods.Contains(hashMethod)) + + if (!_supportedHashMethods.Contains(hashMethod)) { - using (var h = HashAlgorithm.Create(hashMethod)) - { - if (salt.Length == 0) - { - return h.ComputeHash(bytes); - } - else - { - byte[] salted = new byte[bytes.Length + salt.Length]; - Array.Copy(bytes, salted, bytes.Length); - Array.Copy(salt, 0, salted, bytes.Length, salt.Length); - return h.ComputeHash(salted); - } - } + throw new CryptographicException($"Requested hash method is not supported: {hashMethod}"); } - throw new CryptographicException($"Requested hash method is not supported: {hashMethod}"); + using var h = HashAlgorithm.Create(hashMethod); + if (salt.Length == 0) + { + return h.ComputeHash(bytes); + } + + byte[] salted = new byte[bytes.Length + salt.Length]; + Array.Copy(bytes, salted, bytes.Length); + Array.Copy(salt, 0, salted, bytes.Length, salt.Length); + return h.ComputeHash(salted); } ///