// NOTE: this method can work with ANY configured (OID in machine.config)
// HashAlgorithm descendant
public byte[] SignData(Stream inputStream, object halg)
{
HashAlgorithm hash = GetHash(halg);
byte[] toBeSigned = hash.ComputeHash(inputStream);
return(PKCS1.Sign_v15(this, hash, toBeSigned));
}
// NOTE: this method can work with ANY configured (OID in machine.config)
// HashAlgorithm descendant
public byte[] SignData(byte[] buffer, int offset, int count, object halg)
{
HashAlgorithm hash = GetHash(halg);
byte[] toBeSigned = hash.ComputeHash(buffer, offset, count);
return(PKCS1.Sign_v15(this, hash, toBeSigned));
}
/// <summary>Computes the hash value of the specified input stream using the specified hash algorithm, and signs the resulting hash value.</summary>
/// <returns>The <see cref="T:System.Security.Cryptography.RSA" /> signature for the specified data.</returns>
/// <param name="inputStream">The input data for which to compute the hash. </param>
/// <param name="halg">The hash algorithm to use to create the hash value. </param>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="halg" /> parameter is null. </exception>
/// <exception cref="T:System.ArgumentException">The <paramref name="halg" /> parameter is not a valid type. </exception>
/// <PermissionSet>
/// <IPermission class="System.Security.Permissions.KeyContainerPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
/// </PermissionSet>
public byte[] SignData(Stream inputStream, object halg)
{
HashAlgorithm hash = this.GetHash(halg);
byte[] hashValue = hash.ComputeHash(inputStream);
return(PKCS1.Sign_v15(this, hash, hashValue));
}
/// <summary>Computes the signature for the specified hash value by encrypting it with the private key.</summary>
/// <returns>The <see cref="T:System.Security.Cryptography.RSA" /> signature for the specified hash value.</returns>
/// <param name="rgbHash">The hash value of the data to be signed. </param>
/// <param name="str">The hash algorithm identifier (OID) used to create the hash value of the data. </param>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="rgbHash" /> parameter is null. </exception>
/// <exception cref="T:System.Security.Cryptography.CryptographicException">The cryptographic service provider (CSP) cannot be acquired.-or- There is no private key. </exception>
/// <PermissionSet>
/// <IPermission class="System.Security.Permissions.KeyContainerPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
/// </PermissionSet>
public byte[] SignHash(byte[] rgbHash, string str)
{
if (rgbHash == null)
{
throw new ArgumentNullException("rgbHash");
}
string hashName = (str != null) ? this.GetHashNameFromOID(str) : "SHA1";
HashAlgorithm hash = HashAlgorithm.Create(hashName);
return(PKCS1.Sign_v15(this, hash, rgbHash));
}
public byte[] SignHash(byte[] rgbHash, string str)
{
if (rgbHash == null)
{
throw new ArgumentNullException("rgbHash");
}
// Fx 2.0 defaults to the SHA-1
string hashName = (str == null) ? "SHA1" : GetHashNameFromOID(str);
HashAlgorithm hash = HashAlgorithm.Create(hashName);
return(PKCS1.Sign_v15(this, hash, rgbHash));
}
public override byte[] CreateSignature (byte[] rgbHash)
{
if (rsa == null) {
throw new CryptographicUnexpectedOperationException (
Locale.GetText ("No key pair available."));
}
if (hash == null) {
throw new CryptographicUnexpectedOperationException (
Locale.GetText ("Missing hash algorithm."));
}
if (rgbHash == null)
throw new ArgumentNullException ("rgbHash");
return PKCS1.Sign_v15 (rsa, hash, rgbHash);
}
// LAMESPEC: str is not the hash name but an OID
// NOTE: this method is LIMITED to SHA1 and MD5 like the MS framework 1.0
// and 1.1 because there's no method to get a hash algorithm from an OID.
// However there's no such limit when using the [De]Formatter class.
public byte[] SignHash(byte[] rgbHash, string str)
{
if (rgbHash == null)
{
throw new ArgumentNullException("rgbHash");
}
#if NET_2_0
// Fx 2.0 defaults to the SHA-1
string hashName = (str == null) ? "SHA1" : GetHashNameFromOID(str);
#else
if (str == null)
{
throw new CryptographicException(Locale.GetText("No OID specified"));
}
string hashName = GetHashNameFromOID(str);
#endif
HashAlgorithm hash = HashAlgorithm.Create(hashName);
return(PKCS1.Sign_v15(this, hash, rgbHash));
}
byte[] SignHash(byte[] rgbHash, int calgHash)
{
return(PKCS1.Sign_v15(this, InternalHashToHashAlgorithm(calgHash), rgbHash));
}