/// <summary>5.3.7 PKCS#1签名验证
///
/// </summary>
/// <param name="sSource"></param>
/// <param name="bSignData"></param>
/// <param name="sX509Certificate"></param>
/// <returns></returns>
public static Boolean verifyPKCS1(String sSource, String bSignData, String sX509Certificate)
{
SecuInter.X509Certificate oCert = new SecuInter.X509Certificate();
oCert.Decode(sX509Certificate);
Boolean isOK = false;
if (oCert == null)
{
throw new Exception("未选择证书!");
}
SecuInter.signature oSignature = new SecuInter.signature();
SecuInter.Utilities oUtil = new SecuInter.Utilities();
oSignature.Certificate = oCert;
oSignature.Algorithm = SECUINTER_SIGNATURE_ALGORITHM.SECUINTER_SHA1WithRSA_ALGORITHM;
byte[] bContent = Encoding.Default.GetBytes(sSource);
if (oSignature.Verify(bContent, oUtil.Base64Decode(bSignData)))
{
isOK = true;
}
else
{
throw new Exception("验证不通过!");
}
oSignature = null;
oUtil = null;
return(isOK);
}
/// <summary>5.3.6 PKCS1签名 2011-12-19
///
/// </summary>
/// <param name="sSource"></param>
/// <param name="oCert"></param>
/// <returns></returns>
public static String signPKCS1ByCert(String sSource, SecuInter.X509Certificate oCert)
{
SecuInter.signature oSignature = new SecuInter.signature();
SecuInter.Utilities oUtil = new SecuInter.Utilities();
oSignature.Certificate = oCert;
oSignature.Algorithm = SECUINTER_SIGNATURE_ALGORITHM.SECUINTER_SHA1WithRSA_ALGORITHM;
object arrRT = oSignature.Sign(sSource);
String rt = oUtil.Base64Encode(arrRT);
oSignature = null;
oUtil = null;
return(rt);
}
