aaru-dps/Aaru.Checksums
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Code restyling.

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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
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63
Adler32Context.cs
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@@ -36,26 +36,20 @@ using Aaru.CommonTypes.Interfaces;
namespace Aaru.Checksums
{
/// <summary>
/// Implements the Adler-32 algorithm
/// </summary>
/// <summary>Implements the Adler-32 algorithm</summary>
public class Adler32Context : IChecksum
{
const ushort ADLER_MODULE = 65521;
ushort sum1, sum2;
/// <summary>
/// Initializes the Adler-32 sums
/// </summary>
/// <summary>Initializes the Adler-32 sums</summary>
public Adler32Context()
{
sum1 = 1;
sum2 = 0;
}
/// <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)
@@ -67,31 +61,23 @@ namespace Aaru.Checksums
}
}
/// <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()
{
uint finalSum = (uint)((sum2 << 16) | sum1);
return BigEndianBitConverter.GetBytes(finalSum);
}
/// <summary>
/// Returns a hexadecimal representation of the hash value.
/// </summary>
/// <summary>Returns a hexadecimal representation of the hash value.</summary>
public string End()
{
uint finalSum = (uint)((sum2 << 16) | sum1);
StringBuilder adlerOutput = new StringBuilder();
uint finalSum = (uint)((sum2 << 16) | sum1);
var adlerOutput = new StringBuilder();
for(int i = 0; i < BigEndianBitConverter.GetBytes(finalSum).Length; i++)
adlerOutput.Append(BigEndianBitConverter.GetBytes(finalSum)[i].ToString("x2"));
@@ -99,24 +85,21 @@ namespace Aaru.Checksums
return adlerOutput.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)
{
File(filename, out byte[] hash);
return hash;
}
/// <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)
{
FileStream fileStream = new FileStream(filename, FileMode.Open);
var fileStream = new FileStream(filename, FileMode.Open);
ushort localSum1 = 1;
ushort localSum2 = 0;
@@ -131,18 +114,17 @@ namespace Aaru.Checksums
hash = BigEndianBitConverter.GetBytes(finalSum);
StringBuilder adlerOutput = new StringBuilder();
var adlerOutput = new StringBuilder();
foreach(byte h in hash) adlerOutput.Append(h.ToString("x2"));
foreach(byte h in hash)
adlerOutput.Append(h.ToString("x2"));
fileStream.Close();
return adlerOutput.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>
@@ -161,16 +143,15 @@ namespace Aaru.Checksums
hash = BigEndianBitConverter.GetBytes(finalSum);
StringBuilder adlerOutput = new StringBuilder();
var adlerOutput = new StringBuilder();
foreach(byte h in hash) adlerOutput.Append(h.ToString("x2"));
foreach(byte h in hash)
adlerOutput.Append(h.ToString("x2"));
return adlerOutput.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);