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Changed by [EMAIL PROTECTED] http://bugzilla.ximian.com/show_bug.cgi?id=79269 --- shadow/79269 2006-09-04 05:01:35.000000000 -0400 +++ shadow/79269.tmp.25418 2006-09-04 05:01:35.000000000 -0400 @@ -0,0 +1,77 @@ +Bug#: 79269 +Product: Mono: Class Libraries +Version: 1.1 +OS: +OS Details: +Status: NEW +Resolution: +Severity: +Priority: Normal +Component: CORLIB +AssignedTo: [EMAIL PROTECTED] +ReportedBy: [EMAIL PROTECTED] +QAContact: [EMAIL PROTECTED] +TargetMilestone: --- +URL: +Cc: +Summary: NRE in RSACryptoServiceProvider.Decrypt() for X509Certificate2.PrivateKey + +The following code causes a NullReferenceException with the attached +certificate. + +using System; +using System.Security.Cryptography; +using System.Security.Cryptography.X509Certificates; + +public class Test +{ + public static void Main () + { + X509Certificate2 cert = + new X509Certificate2 ("test.pfx", "mono"); + RSACryptoServiceProvider csp = + (RSACryptoServiceProvider) cert.PrivateKey; + string b64 = @"YgyAhscnTTIcDeLJTZcOYYyHVxNhV6d03jeZYjq0 +sPMEsfCCbE/NcFyYHD9BTuiduqPplCLbGpfZIZYJ6vAP9m5z4Q9eEw79kmEFCsm8wSKEo/g +KiptVpwQ78VOPrWd/wEkTTeeg2nVim3JIsTKGFlV7rKxIWQhGN9aAqgP8nZI="; + byte [] bytes = Convert.FromBase64String (b64); + csp.Decrypt (bytes, true); + } +} + + +Actual Results: + +Unhandled Exception: System.NullReferenceException: Object reference not +set to an instance of an object + at Mono.Math.BigInteger+ModulusRing.OddPow (Mono.Math.BigInteger b, +Mono.Math.BigInteger exp) [0x00000] + at Mono.Math.BigInteger+ModulusRing.Pow (Mono.Math.BigInteger b, +Mono.Math.BigInteger exp) [0x00000] + at Mono.Math.BigInteger.ModPow (Mono.Math.BigInteger exp, +Mono.Math.BigInteger n) [0x00000] + at Mono.Security.Cryptography.RSAManaged.DecryptValue (System.Byte[] rgb) +[0x00000] + at Mono.Security.Cryptography.PKCS1.RSADP +(System.Security.Cryptography.RSA rsa, System.Byte[] c) [0x00000] + at Mono.Security.Cryptography.PKCS1.Decrypt_OAEP +(System.Security.Cryptography.RSA rsa, +System.Security.Cryptography.HashAlgorithm hash, System.Byte[] C) [0x00000] + at +System.Security.Cryptography.RSAOAEPKeyExchangeDeformatter.DecryptKeyExchange +(System.Byte[] rgbData) [0x00000] + at System.Security.Cryptography.RSACryptoServiceProvider.Decrypt +(System.Byte[] rgb, Boolean fOAEP) [0x00000] + at Test.Main () [0x00000] + +Expected Results: + +no error. + +How often does this happen? + +consistently. + +Additional Information: + +The certificate is created by our makecert.exe (makecert -p12 test.pfx mono). _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
