Hi, Why are you using MD5 alg? It is totally broken and compleatly insecure. Can you use SHA1 or SHA2 instead?
Best regards, Milan > -----Original Message----- > From: Rafael José Deitos [mailto:[EMAIL PROTECTED] > Sent: Wednesday, June 15, 2005 4:39 PM > To: security-dev@xml.apache.org > Subject: XMLSignature with RSA_MD5 key > > > Hi all... > > I'm having problems in signing an > "org.apache.axis.message.SOAPEnvelope" > as an "org.w3c.Document". > > I'm passing a RSAPrivateKey with md5 in the > XMLSIgnature.sign() method. > > ######### > iaik.security.rsa.RSAPrivateKey priv = > new aik.security.rsa.RSAPrivateKey(THE MODULUS, THE EXPONENT); > > xmlSignatureObject.sign(priv); > > ######### > > It seems to occur an error saying that the "modulus" of the > Key is not positive, but I'm shure it is... > > I don't know what's happening. > > I wonder if anyone could help me to solve the problems... > > Thanks very much for any help... > > > THE ERRROR: > > java.lang.ArithmeticException: BigInteger: modulus not positive > at java.math.BigInteger.modPow(BigInteger.java:1513) > at sun.security.rsa.RSACore.crtCrypt(RSACore.java:137) > at sun.security.rsa.RSACore.rsa(RSACore.java:84) > at > sun.security.rsa.RSASignature.engineSign(RSASignature.java:159) > at > java.security.Signature$Delegate.engineSign(Signature.java:1131) > at java.security.Signature.sign(Signature.java:527) > at > org.apache.xml.security.algorithms.implementations.SignatureBa > seRSA.engineSign(SignatureBaseRSA.java:130) > at > org.apache.xml.security.algorithms.SignatureAlgorithm.sign(Sig natureAlgorithm.java:175) > at > org.apache.xml.security.signature.XMLSignature.sign(XMLSignatu > re.java:582) > at testing.TestXMLSig.<init>(TestXMLSig.java:156) > at testing.TestXMLSig.main(TestXMLSig.java:246) > > > > > ============================================== > Quia natura mutari non potest idcirco > verae amicitiae sempiternae sunt - (Horace) > RAFAEL J. DEITOS > Automação - UFSC - Florianópolis - SC - Brazil > http://www.das.ufsc.br/~deitos > ============================================== >
