int CRSA::RSA_md5_verify( const string &strInPublicKeyN , const string &strInPublicKeyE ,
const string &strInPlaintext , const string &strSigntext )
{
string strMd5;
string strPlainMd5;
unsigned char szMd5[16] = { 0 };
MD5( (const unsigned char *)strInPlaintext.c_str() , ( unsigned long )strInPlaintext.size() , szMd5 );
strMd5.append( (char *)szMd5 , 16 );
int iResult = RSAPublicDecrypt( strInPublicKeyN , strInPublicKeyE , strSigntext , strPlainMd5 );
if( iResult )
return -1;
else if( strMd5 == strPlainMd5 )
return 0;
else return 1;
}
static int rsaref_public_decrypt(int len, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding)
{
int i,outlen= -1;
R_RSA_PUBLIC_KEY RSAkey;
if (!RSAref_Public_eay2ref(rsa,&RSAkey))
goto err;
if ((i=RSAPublicDecrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
{
RSAREFerr(RSAREF_F_RSAREF_PUBLIC_DECRYPT,i);
outlen= -1;
}
err:
memset(&RSAkey,0,sizeof(RSAkey));
return(outlen);
}
NEINT32 ne_RSAPublicDecrypt(NEINT8 *outbuf, NEINT32 *outlen, NEINT8 *inbuf, NEINT32 inlen,RSA_HANDLE h_rsa)
{
return RSAPublicDecrypt(outbuf, outlen, inbuf, inlen, &h_rsa->publicKey) ;
}
