diff options
| author | Phallacy <Dragoonmac@gmail.com> | 2019-03-04 23:58:25 -0800 |
|---|---|---|
| committer | Phallacy <Dragoonmac@gmail.com> | 2019-03-04 23:58:25 -0800 |
| commit | 2c26517172ca2c2f1df1c83d9300ad7c66667866 (patch) | |
| tree | b59504333832ad59164ce02a77aa36dd1f8bcd35 /Emby.Server.Implementations/Cryptography | |
| parent | edba82db373da8fbab8159d6ab2483052ebab231 (diff) | |
minor style fixes
Diffstat (limited to 'Emby.Server.Implementations/Cryptography')
| -rw-r--r-- | Emby.Server.Implementations/Cryptography/CryptographyProvider.cs | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs index 3c9403ba8..cf1ea6efa 100644 --- a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs +++ b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs @@ -11,17 +11,21 @@ namespace Emby.Server.Implementations.Cryptography { public class CryptographyProvider : ICryptoProvider { - private HashSet<string> SupportedHashMethods; + private HashSet<string> _supportedHashMethods; + public string DefaultHashMethod => "PBKDF2"; - private RandomNumberGenerator rng; - private int defaultiterations = 1000; + + private RandomNumberGenerator _randomNumberGenerator; + + private int _defaultIterations = 1000; + public CryptographyProvider() { //FIXME: When we get DotNet Standard 2.1 we need to revisit how we do the crypto //Currently supported hash methods from https://docs.microsoft.com/en-us/dotnet/api/system.security.cryptography.cryptoconfig?view=netcore-2.1 //there might be a better way to autogenerate this list as dotnet updates, but I couldn't find one //Please note the default method of PBKDF2 is not included, it cannot be used to generate hashes cleanly as it is actually a pbkdf with sha1 - SupportedHashMethods = new HashSet<string>() + _supportedHashMethods = new HashSet<string>() { "MD5" ,"System.Security.Cryptography.MD5" @@ -38,7 +42,7 @@ namespace Emby.Server.Implementations.Cryptography ,"SHA-512" ,"System.Security.Cryptography.SHA512" }; - rng = RandomNumberGenerator.Create(); + _randomNumberGenerator = RandomNumberGenerator.Create(); } public Guid GetMD5(string str) @@ -72,7 +76,7 @@ namespace Emby.Server.Implementations.Cryptography public IEnumerable<string> GetSupportedHashMethods() { - return SupportedHashMethods; + return _supportedHashMethods; } private byte[] PBKDF2(string method, byte[] bytes, byte[] salt, int iterations) @@ -86,12 +90,13 @@ namespace Emby.Server.Implementations.Cryptography return r.GetBytes(32); } } + throw new CryptographicException($"Cannot currently use PBKDF2 with requested hash method: {method}"); } - public byte[] ComputeHash(string HashMethod, byte[] bytes) + public byte[] ComputeHash(string hashMethod, byte[] bytes) { - return ComputeHash(HashMethod, bytes, new byte[0]); + return ComputeHash(hashMethod, bytes, new byte[0]); } public byte[] ComputeHashWithDefaultMethod(byte[] bytes) @@ -99,15 +104,15 @@ namespace Emby.Server.Implementations.Cryptography return ComputeHash(DefaultHashMethod, bytes); } - public byte[] ComputeHash(string HashMethod, byte[] bytes, byte[] salt) + public byte[] ComputeHash(string hashMethod, byte[] bytes, byte[] salt) { - if(HashMethod == DefaultHashMethod) + if(hashMethod == DefaultHashMethod) { - return PBKDF2(HashMethod, bytes, salt, defaultiterations); + return PBKDF2(hashMethod, bytes, salt, _defaultIterations); } - else if (SupportedHashMethods.Contains(HashMethod)) + else if (_supportedHashMethods.Contains(hashMethod)) { - using (var h = HashAlgorithm.Create(HashMethod)) + using (var h = HashAlgorithm.Create(hashMethod)) { if (salt.Length == 0) { @@ -121,21 +126,21 @@ namespace Emby.Server.Implementations.Cryptography } else { - throw new CryptographicException($"Requested hash method is not supported: {HashMethod}"); + throw new CryptographicException($"Requested hash method is not supported: {hashMethod}"); } } public byte[] ComputeHashWithDefaultMethod(byte[] bytes, byte[] salt) { - return PBKDF2(DefaultHashMethod, bytes, salt, defaultiterations); + return PBKDF2(DefaultHashMethod, bytes, salt, _defaultIterations); } public byte[] ComputeHash(PasswordHash hash) { - int iterations = defaultiterations; + int iterations = _defaultIterations; if (!hash.Parameters.ContainsKey("iterations")) { - hash.Parameters.Add("iterations", defaultiterations.ToString(CultureInfo.InvariantCulture)); + hash.Parameters.Add("iterations", _defaultIterations.ToString(CultureInfo.InvariantCulture)); } else { @@ -148,13 +153,14 @@ namespace Emby.Server.Implementations.Cryptography throw new InvalidDataException($"Couldn't successfully parse iterations value from string: {hash.Parameters["iterations"]}", e); } } + return PBKDF2(hash.Id, hash.HashBytes, hash.SaltBytes, iterations); } public byte[] GenerateSalt() { byte[] salt = new byte[64]; - rng.GetBytes(salt); + _randomNumberGenerator.GetBytes(salt); return salt; } } |
