/// <returns>true if the internal state represents the signature described in the passed in array.</returns>
public bool VerifySignature(
byte[] signature)
{
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] hash = new byte[digest.GetDigestSize()];
digest.DoFinal(hash, 0);
BigInteger R, S;
try
{
byte[] x = new byte[32];
Array.Copy(signature, 32, x, 0, 32);
R = new BigInteger(1, x);
Array.Copy(signature, 0, x, 0, 32);
S = new BigInteger(1, x);
}
catch (Exception e)
{
throw new SignatureException("error decoding signature bytes.", e);
}
return(dsaSigner.VerifySignature(hash, R, S));
}
/// <returns>true if the internal state represents the signature described in the passed in array.</returns>
public virtual bool VerifySignature(
byte[] signature)
{
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] hash = new byte[digest.GetDigestSize()];
digest.DoFinal(hash, 0);
BigInteger R, S;
try
{
int blockLen = signature.Length / 2;
R = new BigInteger(1, signature, blockLen, blockLen);
S = new BigInteger(1, signature, 0, blockLen);
}
catch (Exception e)
{
throw new SignatureException("error decoding signature bytes.", e);
}
return(dsaSigner.VerifySignature(hash, R, S));
}
public virtual bool VerifySignature(byte[] signature)
{
if (!forSigning)
{
byte[] array = new byte[digest.GetDigestSize()];
digest.DoFinal(array, 0);
try
{
BigInteger[] array2 = DerDecode(signature);
return(dsaSigner.VerifySignature(array, array2[0], array2[1]));
IL_0055:
bool result;
return(result);
}
catch (IOException)
{
return(false);
IL_0062:
bool result;
return(result);
}
}
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
/// <returns>true if the internal state represents the signature described in the passed in array.</returns>
public virtual bool VerifySignature(
byte[] signature)
{
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] hash = new byte[digest.GetDigestSize()];
digest.DoFinal(hash, 0);
BigInteger R, S;
try
{
if (signature.Length != 64 && signature.Length != 128)
{
throw new InvalidOperationException("Unexpected signature length " + signature.Length);
}
int len = signature.Length / 2; // 32 for 256 bit key and 64 for 512 bit key.
R = new BigInteger(1, signature, len, len);
S = new BigInteger(1, signature, 0, len);
}
catch (Exception e)
{
throw new SignatureException("error decoding signature bytes.", e);
}
return(dsaSigner.VerifySignature(hash, R, S));
}
public override bool VerifySignature(
byte[] signature)
{
byte[] hash = new byte[digest.GetDigestSize()];
digest.DoFinal(hash, 0);
BigInteger R, S;
try
{
var reverseSignature = (byte[])signature.Clone();
Array.Reverse(reverseSignature);
R = new BigInteger(1, reverseSignature, 32, 32);
S = new BigInteger(1, reverseSignature, 0, 32);
}
catch (Exception e)
{
throw new SignatureException("error decoding signature bytes.", e);
}
if (dsaSigner.VerifySignature(hash, R, S))
{
return(true);
}
try
{
R = new BigInteger(1, signature, 32, 32);
S = new BigInteger(1, signature, 0, 32);
}
catch (Exception e)
{
throw new SignatureException("error decoding signature bytes.", e);
}
return(dsaSigner.VerifySignature(hash, R, S));
}
public virtual bool VerifySignature(byte[] signature)
{
//IL_000d: Unknown result type (might be due to invalid IL or missing references)
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] array = new byte[digest.GetDigestSize()];
digest.DoFinal(array, 0);
try
{
BigInteger[] array2 = DerDecode(signature);
return(dsaSigner.VerifySignature(array, array2[0], array2[1]));
}
catch (IOException)
{
return(false);
}
}
/// <returns>true if the internal state represents the signature described in the passed in array.</returns>
public bool VerifySignature(
byte[] signature)
{
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] hash = new byte[digest.GetDigestSize()];
digest.DoFinal(hash, 0);
try
{
BigInteger[] sig = DerDecode(signature);
return(dsaSigner.VerifySignature(hash, sig[0], sig[1]));
}
catch (IOException)
{
return(false);
}
}
/// <returns>true if the internal state represents the signature described in the passed in array.</returns>
public virtual bool VerifySignature(
byte[] signature)
{
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] hash = BouncyCastle.Utilities.Digests.DoFinal(digest);
try
{
BigInteger[] sig = DerDecode(signature);
return(dsaSigner.VerifySignature(hash, sig[0], sig[1]));
}
catch (IOException)
{
return(false);
}
}
public virtual bool VerifySignature(byte[] signature)
{
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] array = new byte[digest.GetDigestSize()];
digest.DoFinal(array, 0);
BigInteger r;
BigInteger s;
try
{
r = new BigInteger(1, signature, 32, 32);
s = new BigInteger(1, signature, 0, 32);
}
catch (Exception exception)
{
throw new SignatureException("error decoding signature bytes.", exception);
}
return(dsaSigner.VerifySignature(array, r, s));
}
/// <returns>true if the internal state represents the signature described in the passed in array.</returns>
public bool VerifySignature(
byte[] signature)
{
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] hash = new byte[digest.GetDigestSize()];
digest.DoFinal(hash, 0);
BigInteger[] sig;
try
{
sig = DerDecode(signature);
}
catch (Exception e)
{
throw new SignatureException("error decoding signature bytes.", e);
}
return(dsaSigner.VerifySignature(hash, sig[0], sig[1]));
}
public virtual bool VerifySignature(byte[] signature)
{
//IL_000d: Unknown result type (might be due to invalid IL or missing references)
if (forSigning)
{
throw new InvalidOperationException("DSADigestSigner not initialised for verification");
}
byte[] array = new byte[digest.GetDigestSize()];
digest.DoFinal(array, 0);
BigInteger r;
BigInteger s;
try
{
r = new BigInteger(1, signature, 32, 32);
s = new BigInteger(1, signature, 0, 32);
}
catch (global::System.Exception exception)
{
throw new SignatureException("error decoding signature bytes.", exception);
}
return(dsaSigner.VerifySignature(array, r, s));
}
