diff options
Diffstat (limited to 'wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal')
3 files changed, 192 insertions, 0 deletions
diff --git a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/FunctionTable.cs b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/FunctionTable.cs new file mode 100644 index 0000000..aa916eb --- /dev/null +++ b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/FunctionTable.cs @@ -0,0 +1,127 @@ +// 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 VNLib.Utils.Native; +using VNLib.Utils.Extensions; + +using NCResult = System.Int64; + +namespace VNLib.Utils.Cryptography.Noscrypt.@internal +{ + + internal unsafe readonly struct FunctionTable + { + + public readonly NCGetContextStructSizeDelegate NCGetContextStructSize; + public readonly NCInitContextDelegate NCInitContext; + public readonly NCReInitContextDelegate NCReInitContext; + public readonly NCDestroyContextDelegate NCDestroyContext; + public readonly NCGetPublicKeyDelegate NCGetPublicKey; + public readonly NCValidateSecretKeyDelegate NCValidateSecretKey; + public readonly NCSignDataDelegate NCSignData; + public readonly NCVerifyDataDelegate NCVerifyData; + public readonly NCEncryptDelegate NCEncrypt; + public readonly NCDecryptDelegate NCDecrypt; + public readonly NCVerifyMacDelegate NCVerifyMac; + public readonly NCComputeMacDelegate NCComputeMac; + +#if DEBUG + public readonly NCGetConversationKeyDelegate NCGetConversationKey; +#endif + + private FunctionTable(SafeLibraryHandle library) + { + //Load the required high-level api functions + NCGetContextStructSize = library.DangerousGetFunction<NCGetContextStructSizeDelegate>(); + NCInitContext = library.DangerousGetFunction<NCInitContextDelegate>(); + NCReInitContext = library.DangerousGetFunction<NCReInitContextDelegate>(); + NCDestroyContext = library.DangerousGetFunction<NCDestroyContextDelegate>(); + NCGetPublicKey = library.DangerousGetFunction<NCGetPublicKeyDelegate>(); + NCValidateSecretKey = library.DangerousGetFunction<NCValidateSecretKeyDelegate>(); + NCSignData = library.DangerousGetFunction<NCSignDataDelegate>(); + NCVerifyData = library.DangerousGetFunction<NCVerifyDataDelegate>(); + NCSignData = library.DangerousGetFunction<NCSignDataDelegate>(); + NCVerifyData = library.DangerousGetFunction<NCVerifyDataDelegate>(); + NCEncrypt = library.DangerousGetFunction<NCEncryptDelegate>(); + NCDecrypt = library.DangerousGetFunction<NCDecryptDelegate>(); + NCVerifyMac = library.DangerousGetFunction<NCVerifyMacDelegate>(); + NCComputeMac = library.DangerousGetFunction<NCComputeMacDelegate>(); + +#if DEBUG + NCGetConversationKey = library.DangerousGetFunction<NCGetConversationKeyDelegate>(); +#endif + } + + /// <summary> + /// Initialize a new function table from the specified library + /// </summary> + /// <param name="library"></param> + /// <returns>The function table structure</returns> + /// <exception cref="MissingMemberException"></exception> + /// <exception cref="EntryPointNotFoundException"></exception> + public static FunctionTable BuildFunctionTable(SafeLibraryHandle library) => new (library); + + /* + * ################################################ + * + * Functions match the noscrypt.h header file + * + * ################################################ + */ + + //FUCNTIONS + [SafeMethodName("NCGetContextStructSize")] + internal delegate uint NCGetContextStructSizeDelegate(); + + [SafeMethodName("NCInitContext")] + internal delegate NCResult NCInitContextDelegate(IntPtr ctx, byte* entropy32); + + [SafeMethodName("NCReInitContext")] + internal delegate NCResult NCReInitContextDelegate(IntPtr ctx, byte* entropy32); + + [SafeMethodName("NCDestroyContext")] + internal delegate NCResult NCDestroyContextDelegate(IntPtr ctx); + + [SafeMethodName("NCGetPublicKey")] + internal delegate NCResult NCGetPublicKeyDelegate(IntPtr ctx, NCSecretKey* secKey, NCPublicKey* publicKey); + + [SafeMethodName("NCValidateSecretKey")] + internal delegate NCResult NCValidateSecretKeyDelegate(IntPtr ctx, NCSecretKey* secKey); + + [SafeMethodName("NCSignData")] + internal delegate NCResult NCSignDataDelegate(IntPtr ctx, NCSecretKey* sk, byte* random32, byte* data, uint dataSize, byte* sig64); + + [SafeMethodName("NCVerifyData")] + internal delegate NCResult NCVerifyDataDelegate(IntPtr ctx, NCPublicKey* sk, byte* data, uint dataSize, byte* sig64); + + [SafeMethodName("NCEncrypt")] + internal delegate NCResult NCEncryptDelegate(IntPtr ctx, NCSecretKey* sk, NCPublicKey* pk, NCEncryptionArgs* data); + + [SafeMethodName("NCDecrypt")] + internal delegate NCResult NCDecryptDelegate(IntPtr ctx, NCSecretKey* sk, NCPublicKey* pk, NCEncryptionArgs* data); + + [SafeMethodName("NCVerifyMac")] + internal delegate NCResult NCVerifyMacDelegate(IntPtr ctx, NCSecretKey* sk, NCPublicKey* pk, NCMacVerifyArgs* args); + + [SafeMethodName("NCComputeMac")] + internal delegate NCResult NCComputeMacDelegate(IntPtr ctx, byte* hmacKey32, byte* payload, uint payloadSize, byte* hmacOut32); + + [SafeMethodName("NCGetConversationKey")] + internal delegate NCResult NCGetConversationKeyDelegate(nint ctx, NCSecretKey* sk, NCPublicKey* pk, byte* keyOut32); + + } +} diff --git a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/NCEncryptionArgs.cs b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/NCEncryptionArgs.cs new file mode 100644 index 0000000..a63d3b3 --- /dev/null +++ b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/NCEncryptionArgs.cs @@ -0,0 +1,31 @@ +// 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.Runtime.InteropServices; + +namespace VNLib.Utils.Cryptography.Noscrypt.@internal +{ + [StructLayout(LayoutKind.Sequential)] + internal unsafe struct NCEncryptionArgs + { + public byte* nonce32; + public byte* hmacKeyOut32; + public byte* inputData; + public byte* outputData; + public uint dataSize; + public uint version; + } +} diff --git a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/NCMacVerifyArgs.cs b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/NCMacVerifyArgs.cs new file mode 100644 index 0000000..8a9ba1f --- /dev/null +++ b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/internal/NCMacVerifyArgs.cs @@ -0,0 +1,34 @@ +// 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; + +namespace VNLib.Utils.Cryptography.Noscrypt.@internal +{ + internal unsafe struct NCMacVerifyArgs + { + /* The message authentication code certifying the Nip44 payload */ + public byte* mac32; + + /* The nonce used for the original message encryption */ + public byte* nonce32; + + /* The message payload data */ + public byte* payload; + + /* The size of the payload data */ + public uint payloadSize; + } +} |