/// <summary>
/// Computes the Hash of the given <see cref="IHashable"/> input.
/// </summary>
/// <typeparam name="H">The <see cref="HashAlgorithm"/> to use.</typeparam>
/// <param name="input">The <see cref="IHashable"/> to compute the hash of.</param>
/// <param name="hashingOptions">The options to use to compte the Hash.</param>
/// <returns></returns>
public static HashResult <H> Hash <H>(this IHashable input, HashingOptions hashingOptions = null)
where H : HashAlgorithm, new()
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
return(new HashResult <H>(input, hashingOptions));
}
/// <summary>
/// Create an <see cref="HashResult{H}"/>
/// </summary>
/// <param name="input">the object from which the hash is to be calculated.</param>
/// <param name="hashingOptions">Optional. Options to change the behaviour of the <see cref="HashResult{H}"/>.</param>
public HashResult(IHashable input, HashingOptions hashingOptions = null)
{
#region HashingOptions Management
if (hashingOptions is null)
{
hashingOptions = HashingOptions.DefaultHashingOptions;
}
#endregion
LazyHash = new Lazy <byte[]>(() => input.GetBytesForHash().Hash <H>());
LazyStringValue = new Lazy <string>(() => ToString(HashingOptions.Separator, HashingOptions.Format), true);
}
/// <summary> /// Compute the <see cref="SHA256"/> Hash with of the given <see cref="IHashable"/>. /// </summary> /// <param name="input">The <see cref="IHashable"/> to calculate the hash of.</param> /// <param name="hashingOptions">Optional. Options to change the behaviour of the hashing computation.</param> /// <returns></returns> public static HashResult <SHA256CryptoServiceProvider> Sha256(this IHashable input, HashingOptions hashingOptions = null) => input.Hash <SHA256CryptoServiceProvider>(hashingOptions);
/// <summary> /// Compute the <see cref="SHA256"/> Hash with of the given <see cref="string"/>. /// </summary> /// <param name="input">The <see cref="string"/> to calculate the hash of.</param> /// <param name="hashingOptions">Optional. Options to change the behaviour of the hashing computation.</param> /// <param name="stringEncoding">Optional. The encoding of the input <see cref="string"/>, /// used to convert the <see cref="string"/> into an array of bytes.</param> /// <returns></returns> public static HashResult <SHA256CryptoServiceProvider> Sha256(this string input, HashingOptions hashingOptions = null, Encoding stringEncoding = null) => input.ToHashable(stringEncoding).Sha256(hashingOptions);
/// <summary> /// Compute the <see cref="SHA256"/> Hash with of the given array of bytes. /// </summary> /// <param name="input">The array of bytes to calculate the hash of.</param> /// <param name="hashingOptions">Optional. Options to change the behaviour of the hashing computation.</param> /// <returns></returns> public static HashResult <SHA256CryptoServiceProvider> Sha256(this byte[] input, HashingOptions hashingOptions = null) => input.ToHashable().Sha256(hashingOptions);
/// <summary> /// Compute the <see cref="System.Security.Cryptography.MD5"/> Hash with of the given <see cref="IHashable"/>. /// </summary> /// <param name="input">The <see cref="IHashable"/> to calculate the hash of.</param> /// <param name="hashingOptions">Optional. Options to change the behaviour of the hashing computation.</param> /// <returns></returns> public static HashResult <MD5CryptoServiceProvider> MD5(this IHashable input, HashingOptions hashingOptions = null) => input.Hash <MD5CryptoServiceProvider>(hashingOptions);
/// <summary> /// Compute the <see cref="System.Security.Cryptography.MD5"/> Hash with of the given <see cref="string"/>. /// </summary> /// <param name="input">The <see cref="string"/> to calculate the hash of.</param> /// <param name="hashingOptions">Optional. Options to change the behaviour of the hashing computation.</param> /// <param name="stringEncoding">Optional. The encoding of the input <see cref="string"/>, /// used to convert the <see cref="string"/> into an array of bytes.</param> /// <returns></returns> public static HashResult <MD5CryptoServiceProvider> MD5(this string input, HashingOptions hashingOptions = null, Encoding stringEncoding = null) => input.ToHashable(stringEncoding).MD5(hashingOptions);
/// <summary> /// Compute the <see cref="System.Security.Cryptography.MD5"/> Hash with of the given array of bytes. /// </summary> /// <param name="input">The array of bytes to calculate the hash of.</param> /// <param name="hashingOptions">Optional. Options to change the behaviour of the hashing computation.</param> /// <returns></returns> public static HashResult <MD5CryptoServiceProvider> MD5(this byte[] input, HashingOptions hashingOptions = null) => input.ToHashable().MD5(hashingOptions);