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authorLibravatar vnugent <public@vaughnnugent.com>2024-10-18 22:10:17 -0400
committerLibravatar vnugent <public@vaughnnugent.com>2024-10-18 22:10:17 -0400
commit44044eb0fb28b774773e3284fd147c91d59d64e3 (patch)
tree429860e6ced91b02b7062f86c74120be5d5f0c11 /wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCUtil.cs
parent6a4a464d9fdc7821cd5c5695656a3fe385497cc5 (diff)
refactor: Wire up unit testing and refactor c# api
Diffstat (limited to 'wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCUtil.cs')
-rw-r--r--wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCUtil.cs193
1 files changed, 0 insertions, 193 deletions
diff --git a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCUtil.cs b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCUtil.cs
deleted file mode 100644
index 307bbc1..0000000
--- a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/NCUtil.cs
+++ /dev/null
@@ -1,193 +0,0 @@
-// Copyright (C) 2024 Vaughn Nugent
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
-
-using System;
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-using static VNLib.Utils.Cryptography.Noscrypt.NoscryptLibrary;
-
-using NCResult = System.Int64;
-
-namespace VNLib.Utils.Cryptography.Noscrypt
-{
-
- public static class NCUtil
- {
- /// <summary>
- /// Gets a span of bytes from the current secret key
- /// structure
- /// </summary>
- /// <param name="key"></param>
- /// <returns>The secret key data span</returns>
- public unsafe static Span<byte> AsSpan(this ref NCSecretKey key)
- {
- //Safe to cast secret key to bytes, then we can make a span to its memory
- ref byte asBytes = ref Unsafe.As<NCSecretKey, byte>(ref key);
- return MemoryMarshal.CreateSpan(ref asBytes, sizeof(NCSecretKey));
- }
-
- /// <summary>
- /// Gets a span of bytes from the current public key
- /// structure
- /// </summary>
- /// <param name="key"></param>
- /// <returns>The public key data as a data span</returns>
- public unsafe static Span<byte> AsSpan(this ref NCPublicKey key)
- {
- //Safe to cast secret key to bytes, then we can make a span to its memory
- ref byte asBytes = ref Unsafe.As<NCPublicKey, byte>(ref key);
- return MemoryMarshal.CreateSpan(ref asBytes, sizeof(NCPublicKey));
- }
-
- /// <summary>
- /// Casts a span of bytes to a secret key reference. Note that
- /// the new structure reference will point to the same memory
- /// as the span.
- /// </summary>
- /// <param name="span">The secret key data</param>
- /// <returns>A mutable secret key reference</returns>
- /// <exception cref="ArgumentOutOfRangeException"></exception>
- public unsafe static ref NCSecretKey AsSecretKey(Span<byte> span)
- {
- ArgumentOutOfRangeException.ThrowIfLessThan(span.Length, sizeof(NCSecretKey), nameof(span));
-
- ref byte asBytes = ref MemoryMarshal.GetReference(span);
- return ref Unsafe.As<byte, NCSecretKey>(ref asBytes);
- }
-
- /// <summary>
- /// Casts a span of bytes to a public key reference. Note that
- /// the new structure reference will point to the same memory
- /// as the span.
- /// </summary>
- /// <param name="span">The public key data span</param>
- /// <returns>A mutable reference to the public key structure</returns>
- /// <exception cref="ArgumentOutOfRangeException"></exception>
- public unsafe static ref NCPublicKey AsPublicKey(Span<byte> span)
- {
- ArgumentOutOfRangeException.ThrowIfLessThan(span.Length, sizeof(NCPublicKey), nameof(span));
-
- ref byte asBytes = ref MemoryMarshal.GetReference(span);
- return ref Unsafe.As<byte, NCPublicKey>(ref asBytes);
- }
-
- /// <summary>
- /// Casts a read-only span of bytes to a secret key reference. Note that
- /// the new structure reference will point to the same memory as the span.
- /// </summary>
- /// <param name="span">The secret key data span</param>
- /// <returns>A readonly refernce to the secret key structure</returns>
- /// <exception cref="ArgumentOutOfRangeException"></exception>
- public unsafe static ref readonly NCSecretKey AsSecretKey(ReadOnlySpan<byte> span)
- {
- ArgumentOutOfRangeException.ThrowIfLessThan(span.Length, sizeof(NCSecretKey), nameof(span));
-
- ref byte asBytes = ref MemoryMarshal.GetReference(span);
- return ref Unsafe.As<byte, NCSecretKey>(ref asBytes);
- }
-
- /// <summary>
- /// Casts a read-only span of bytes to a public key reference. Note that
- /// the new structure reference will point to the same memory as the span.
- /// </summary>
- /// <param name="span">The public key data span</param>
- /// <returns>A readonly reference to the public key structure</returns>
- /// <exception cref="ArgumentOutOfRangeException"></exception>
- public unsafe static ref readonly NCPublicKey AsPublicKey(ReadOnlySpan<byte> span)
- {
- ArgumentOutOfRangeException.ThrowIfLessThan(span.Length, sizeof(NCPublicKey), nameof(span));
-
- ref byte asBytes = ref MemoryMarshal.GetReference(span);
- return ref Unsafe.As<byte, NCPublicKey>(ref asBytes);
- }
-
- internal static void CheckResult<T>(NCResult result, bool raiseOnFailure) where T : Delegate
- {
- //Only negative values are errors
- if (result >= NC_SUCCESS)
- {
- return;
- }
-
- NCResult asPositive = -result;
-
- // Error code are only 8 bits, if an argument error occured, the
- // argument number will be in the next upper 8 bits
- NCErrorCodes errorCode = (NCErrorCodes)(asPositive & 0xFF);
- byte argNumber = (byte)((asPositive >> 8) & 0xFF);
-
- switch (errorCode)
- {
- case NCErrorCodes.E_NULL_PTR:
- RaiseNullArgExceptionForArgumentNumber<T>(argNumber);
- break;
- case NCErrorCodes.E_INVALID_ARG:
- RaiseArgExceptionForArgumentNumber<T>(argNumber);
- break;
- case NCErrorCodes.E_ARGUMENT_OUT_OF_RANGE:
- RaiseOORExceptionForArgumentNumber<T>(argNumber);
- break;
- case NCErrorCodes.E_INVALID_CTX:
- throw new InvalidOperationException("The library context object is null or invalid");
- case NCErrorCodes.E_OPERATION_FAILED:
- RaiseOperationFailedException(raiseOnFailure);
- break;
- case NCErrorCodes.E_VERSION_NOT_SUPPORTED:
- throw new NotSupportedException("The requested version is not supported");
-
- default:
- if(raiseOnFailure)
- {
- throw new InvalidOperationException($"The operation failed with error, code: {errorCode} for arugment {argNumber:x}");
- }
- break;
- }
- }
-
- private static void RaiseOperationFailedException(bool raise)
- {
- if (raise)
- {
- throw new InvalidOperationException("The operation failed for an unknown reason");
- }
- }
-
- private static void RaiseNullArgExceptionForArgumentNumber<T>(int argNumber) where T : Delegate
- {
- //Get delegate parameters
- Type type = typeof(T);
- ParameterInfo arg = type.GetMethod("Invoke")!.GetParameters()[argNumber];
- throw new ArgumentNullException(arg.Name, "Argument is null or invalid cannot continue");
- }
-
- private static void RaiseArgExceptionForArgumentNumber<T>(int argNumber) where T : Delegate
- {
- //Get delegate parameters
- Type type = typeof(T);
- ParameterInfo arg = type.GetMethod("Invoke")!.GetParameters()[argNumber];
- throw new ArgumentException("Argument is null or invalid cannot continue", arg.Name);
- }
-
- private static void RaiseOORExceptionForArgumentNumber<T>(int argNumber) where T : Delegate
- {
- //Get delegate parameters
- Type type = typeof(T);
- ParameterInfo arg = type.GetMethod("Invoke")!.GetParameters()[argNumber];
- throw new ArgumentOutOfRangeException(arg.Name, "Argument is out of range of acceptable values");
- }
- }
-}