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Full code refactor and clean-up.

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Natalia Portillo
2024-11-09 01:37:59 +00:00
parent 1ebc273ff7
commit 9a429ce439
108 changed files with 12878 additions and 12195 deletions
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176
RomRepoMgr.Core/Checksums/SHA512Context.cs
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@@ -35,98 +35,94 @@ using System.Security.Cryptography;
using System.Text;
using Aaru.CommonTypes.Interfaces;
namespace Aaru.Checksums
namespace Aaru.Checksums;
/// <summary>Wraps up .NET SHA512 implementation to a Init(), Update(), Final() context.</summary>
public sealed class Sha512Context : IChecksum
{
/// <summary>Wraps up .NET SHA512 implementation to a Init(), Update(), Final() context.</summary>
public sealed class Sha512Context : IChecksum
readonly SHA512 _provider;
/// <summary>Initializes the SHA512 hash provider</summary>
public Sha512Context() => _provider = SHA512.Create();
/// <inheritdoc />
/// <summary>Updates the hash with data.</summary>
/// <param name="data">Data buffer.</param>
/// <param name="len">Length of buffer to hash.</param>
public void Update(byte[] data, uint len) => _provider.TransformBlock(data, 0, (int)len, data, 0);
/// <inheritdoc />
/// <summary>Updates the hash with data.</summary>
/// <param name="data">Data buffer.</param>
public void Update(byte[] data) => Update(data, (uint)data.Length);
/// <inheritdoc />
/// <summary>Returns a byte array of the hash value.</summary>
public byte[] Final()
{
readonly SHA512 _provider;
_provider.TransformFinalBlock(new byte[0], 0, 0);
/// <summary>Initializes the SHA512 hash provider</summary>
public Sha512Context() => _provider = SHA512.Create();
/// <inheritdoc />
/// <summary>Updates the hash with data.</summary>
/// <param name="data">Data buffer.</param>
/// <param name="len">Length of buffer to hash.</param>
public void Update(byte[] data, uint len) => _provider.TransformBlock(data, 0, (int)len, data, 0);
/// <inheritdoc />
/// <summary>Updates the hash with data.</summary>
/// <param name="data">Data buffer.</param>
public void Update(byte[] data) => Update(data, (uint)data.Length);
/// <inheritdoc />
/// <summary>Returns a byte array of the hash value.</summary>
public byte[] Final()
{
_provider.TransformFinalBlock(new byte[0], 0, 0);
return _provider.Hash;
}
/// <inheritdoc />
/// <summary>Returns a hexadecimal representation of the hash value.</summary>
public string End()
{
_provider.TransformFinalBlock(new byte[0], 0, 0);
var sha512Output = new StringBuilder();
foreach(byte h in _provider.Hash)
sha512Output.Append(h.ToString("x2"));
return sha512Output.ToString();
}
/// <summary>Gets the hash of a file</summary>
/// <param name="filename">File path.</param>
public static byte[] File(string filename)
{
var localSha512Provider = SHA512.Create();
var fileStream = new FileStream(filename, FileMode.Open, FileAccess.Read);
byte[] result = localSha512Provider.ComputeHash(fileStream);
fileStream.Close();
return result;
}
/// <summary>Gets the hash of a file in hexadecimal and as a byte array.</summary>
/// <param name="filename">File path.</param>
/// <param name="hash">Byte array of the hash value.</param>
public static string File(string filename, out byte[] hash)
{
var localSha512Provider = SHA512.Create();
var fileStream = new FileStream(filename, FileMode.Open, FileAccess.Read);
hash = localSha512Provider.ComputeHash(fileStream);
var sha512Output = new StringBuilder();
foreach(byte h in hash)
sha512Output.Append(h.ToString("x2"));
fileStream.Close();
return sha512Output.ToString();
}
/// <summary>Gets the hash of the specified data buffer.</summary>
/// <param name="data">Data buffer.</param>
/// <param name="len">Length of the data buffer to hash.</param>
/// <param name="hash">Byte array of the hash value.</param>
public static string Data(byte[] data, uint len, out byte[] hash)
{
var localSha512Provider = SHA512.Create();
hash = localSha512Provider.ComputeHash(data, 0, (int)len);
var sha512Output = new StringBuilder();
foreach(byte h in hash)
sha512Output.Append(h.ToString("x2"));
return sha512Output.ToString();
}
/// <summary>Gets the hash of the specified data buffer.</summary>
/// <param name="data">Data buffer.</param>
/// <param name="hash">Byte array of the hash value.</param>
public static string Data(byte[] data, out byte[] hash) => Data(data, (uint)data.Length, out hash);
return _provider.Hash;
}
/// <inheritdoc />
/// <summary>Returns a hexadecimal representation of the hash value.</summary>
public string End()
{
_provider.TransformFinalBlock(new byte[0], 0, 0);
var sha512Output = new StringBuilder();
foreach(byte h in _provider.Hash) sha512Output.Append(h.ToString("x2"));
return sha512Output.ToString();
}
/// <summary>Gets the hash of a file</summary>
/// <param name="filename">File path.</param>
public static byte[] File(string filename)
{
var localSha512Provider = SHA512.Create();
var fileStream = new FileStream(filename, FileMode.Open, FileAccess.Read);
byte[] result = localSha512Provider.ComputeHash(fileStream);
fileStream.Close();
return result;
}
/// <summary>Gets the hash of a file in hexadecimal and as a byte array.</summary>
/// <param name="filename">File path.</param>
/// <param name="hash">Byte array of the hash value.</param>
public static string File(string filename, out byte[] hash)
{
var localSha512Provider = SHA512.Create();
var fileStream = new FileStream(filename, FileMode.Open, FileAccess.Read);
hash = localSha512Provider.ComputeHash(fileStream);
var sha512Output = new StringBuilder();
foreach(byte h in hash) sha512Output.Append(h.ToString("x2"));
fileStream.Close();
return sha512Output.ToString();
}
/// <summary>Gets the hash of the specified data buffer.</summary>
/// <param name="data">Data buffer.</param>
/// <param name="len">Length of the data buffer to hash.</param>
/// <param name="hash">Byte array of the hash value.</param>
public static string Data(byte[] data, uint len, out byte[] hash)
{
var localSha512Provider = SHA512.Create();
hash = localSha512Provider.ComputeHash(data, 0, (int)len);
var sha512Output = new StringBuilder();
foreach(byte h in hash) sha512Output.Append(h.ToString("x2"));
return sha512Output.ToString();
}
/// <summary>Gets the hash of the specified data buffer.</summary>
/// <param name="data">Data buffer.</param>
/// <param name="hash">Byte array of the hash value.</param>
public static string Data(byte[] data, out byte[] hash) => Data(data, (uint)data.Length, out hash);
}