35 lines
1.1 KiB
C#
35 lines
1.1 KiB
C#
using System;
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using Sodium;
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using System.IO;
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using System.Collections.Generic;
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namespace rinseoff
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{
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public class RinseOff
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{
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public static void generateKeyFile(string path){
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var key = Sodium.SodiumCore.GetRandomBytes(32);
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File.WriteAllBytes(path, key);
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}
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public static byte[] encrypt_secret_bytes(byte[] secret, byte[] key){
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byte[] nonce = Sodium.SecretBox.GenerateNonce();
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var ciphertext = SecretBox.Create(secret, nonce, key);
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var combined = new List<byte>();
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combined.AddRange(nonce);
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combined.AddRange(ciphertext);
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return combined.ToArray();
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}
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public static byte[] decrypt_secret_bytes(byte[] ciphertext, byte[] key){
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var ciphertextList = new List<byte>();
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ciphertextList.AddRange(ciphertext);
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return Sodium.SecretBox.Open(
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ciphertextList.GetRange(24, ciphertextList.Count - 24).ToArray(),
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ciphertextList.GetRange(0, 24).ToArray(),
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key);
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}
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}
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}
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