/// <summary>
/// Computes the SHA1-checksum of a given buffer.
/// </summary>
/// <param name="buffer">The buffer to compute its checksum from. Must not be null.</param>
/// <returns>The SHA1-checksum of the given buffer as a string.</returns>
public static string ComputeSHA1(byte[] buffer)
{
Assertions.AssertNotNull(buffer, "buffer");
using (SHA1 md5 = SHA1.Create())
{
byte[] result = md5.ComputeHash(buffer);
StringBuilder strBuilder = new StringBuilder();
for (int i = 0; i < result.Length; i++)
{
strBuilder.Append(result[i].ToString("x2"));
}
return(strBuilder.ToString());
}
}
/// <summary>
/// Computes the MD5-checksum of a given stream.
/// </summary>
/// <param name="stream">The stream to compute its checksum from. Must not be null.</param>
/// <returns>The MD5-checksum of the given stream as a string.</returns>
public static string ComputeMD5(Stream stream)
{
Assertions.AssertNotNull(stream, "stream");
using (MD5 md5 = MD5.Create())
{
byte[] result = md5.ComputeHash(stream);
StringBuilder strBuilder = new StringBuilder();
for (int i = 0; i < result.Length; i++)
{
strBuilder.Append(result[i].ToString("x2"));
}
return(strBuilder.ToString());
}
}
/// <summary>
/// Performs a check against a <see cref="XDocument"/> to see if the schema is valid.
/// </summary>
/// <param name="doc">The <see cref="XDocument"/> to check its schema.</param>
/// <param name="schema">The schema to use for validation.</param>
/// <returns>A boolean value indicating whether or not the schema of the given <see cref="XDocument"/> is valid, or not.</returns>
public static bool IsXmlValid(this XDocument doc, string schema)
{
Assertions.AssertNotNull(doc, "doc");
Assertions.AssertNotEmpty(schema, "schema");
try
{
ValidateXml(doc, schema);
}
catch (XmlSchemaException)
{
return(false);
}
catch (XmlException)
{
return(false);
}
return(true);
}