aaru-dps/Aaru.Checksums
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.Checksums.git synced 2025-12-16 19:24:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

Code restyling.

Browse Source
This commit is contained in:
Natalia Portillo
2020-02-29 18:03:33 +00:00
parent 2d5bc1f8ed
commit 5f2ddad918
15 changed files with 690 additions and 739 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
SHA384Context.cs
View File

@@ -37,114 +37,90 @@ using Aaru.CommonTypes.Interfaces;
namespace Aaru.Checksums
{
/// <summary>
/// Wraps up .NET SHA384 implementation to a Init(), Update(), Final() context.
/// </summary>
/// <summary>Wraps up .NET SHA384 implementation to a Init(), Update(), Final() context.</summary>
public class Sha384Context : IChecksum
{
SHA384 sha384Provider;
readonly SHA384 sha384Provider;
/// <summary>
/// Initializes the SHA384 hash provider
/// </summary>
public Sha384Context()
{
sha384Provider = SHA384.Create();
}
/// <summary>Initializes the SHA384 hash provider</summary>
public Sha384Context() => sha384Provider = SHA384.Create();
/// <summary>
/// Updates the hash with data.
/// </summary>
/// <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)
{
sha384Provider.TransformBlock(data, 0, (int)len, data, 0);
}
public void Update(byte[] data, uint len) => sha384Provider.TransformBlock(data, 0, (int)len, data, 0);
/// <summary>
/// Updates the hash with data.
/// </summary>
/// <summary>Updates the hash with data.</summary>
/// <param name="data">Data buffer.</param>
public void Update(byte[] data)
{
Update(data, (uint)data.Length);
}
public void Update(byte[] data) => Update(data, (uint)data.Length);
/// <summary>
/// Returns a byte array of the hash value.
/// </summary>
/// <summary>Returns a byte array of the hash value.</summary>
public byte[] Final()
{
sha384Provider.TransformFinalBlock(new byte[0], 0, 0);
return sha384Provider.Hash;
}
/// <summary>
/// Returns a hexadecimal representation of the hash value.
/// </summary>
/// <summary>Returns a hexadecimal representation of the hash value.</summary>
public string End()
{
sha384Provider.TransformFinalBlock(new byte[0], 0, 0);
StringBuilder sha384Output = new StringBuilder();
var sha384Output = new StringBuilder();
foreach(byte h in sha384Provider.Hash) sha384Output.Append(h.ToString("x2"));
foreach(byte h in sha384Provider.Hash)
sha384Output.Append(h.ToString("x2"));
return sha384Output.ToString();
}
/// <summary>
/// Gets the hash of a file
/// </summary>
/// <summary>Gets the hash of a file</summary>
/// <param name="filename">File path.</param>
public static byte[] File(string filename)
{
SHA384 localSha384Provider = SHA384.Create();
FileStream fileStream = new FileStream(filename, FileMode.Open);
byte[] result = localSha384Provider.ComputeHash(fileStream);
var localSha384Provider = SHA384.Create();
var fileStream = new FileStream(filename, FileMode.Open);
byte[] result = localSha384Provider.ComputeHash(fileStream);
fileStream.Close();
return result;
}
/// <summary>
/// Gets the hash of a file in hexadecimal and as a byte array.
/// </summary>
/// <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)
{
SHA384 localSha384Provider = SHA384.Create();
FileStream fileStream = new FileStream(filename, FileMode.Open);
var localSha384Provider = SHA384.Create();
var fileStream = new FileStream(filename, FileMode.Open);
hash = localSha384Provider.ComputeHash(fileStream);
StringBuilder sha384Output = new StringBuilder();
var sha384Output = new StringBuilder();
foreach(byte h in hash) sha384Output.Append(h.ToString("x2"));
foreach(byte h in hash)
sha384Output.Append(h.ToString("x2"));
fileStream.Close();
return sha384Output.ToString();
}
/// <summary>
/// Gets the hash of the specified data buffer.
/// </summary>
/// <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)
{
SHA384 localSha384Provider = SHA384.Create();
var localSha384Provider = SHA384.Create();
hash = localSha384Provider.ComputeHash(data, 0, (int)len);
StringBuilder sha384Output = new StringBuilder();
var sha384Output = new StringBuilder();
foreach(byte h in hash) sha384Output.Append(h.ToString("x2"));
foreach(byte h in hash)
sha384Output.Append(h.ToString("x2"));
return sha384Output.ToString();
}
/// <summary>
/// Gets the hash of the specified data buffer.
/// </summary>
/// <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);