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zlib compression over TLS?

Do SSLSocket objects support zlib compression? Is there a way to specify the zlib compression method in the TLS handshake sent by my client to a remote server?...

2 answers | 166 bytes |

X509KeyManager and acceptable CAs list from Server

When I am connecting (SSL) to a remote server who requiresclient cert, server presents a list of acceptable CAs.It looks like only the DN of the CAs are available in X509KeyManagerinterfaces (via Principal object).Anyway we can get a bit lower to grab the serial# as well as expirationdate of ...

2 answers | 695 bytes |

X509Certificate encoding

Hello all,I have an web application that conect with https and request a client certification.i get the client certificate from the request:X509Certificate[] certs = (X509Certificate[])request.getAttribute("javax.servlet.request.X509Certificate");X509Certificate cert = certs[0];String dn = ...

1 answers | 657 bytes |

X509 unsupported critical extension on mutual auth with Tomcat

Hello,I have the following scenario.I am running 2 webapps. One acts as a client (web front end), the other one as a server (web services).The connection is using SSL with mutual auth.The client presents its certificate, wich contains a critical extension wich is not supported by the ...

1 answers | 993 bytes |

X509 HTTPS client side certificate not being recognized ?

Dear fellow developers,A Java client program doing HTTPs POSTs is not apparently usingan SSL certificate supplied by the server company.What could be the problem ?The +/- detailed log of what I have done is the following:1 - The server company has supplied a .pfx binary file with the ...

1 answers | 3828 bytes |

X509 certpath.

I have a problem for mutual authentication.This is my debug log:***found key for : 14cb6d27eae170b50deb57bcfdce4386_50e417e0-e461-474b-96e2-077b80325612chain [0] = [[ Version: V3 Subject: UID=D01E4742000001018D6B9FAF00006230, EMAILADDRESS=azobian@ces-us.com, CN=Assef A Zobian, OU=CAMBRIDGE ...

0 answers | 307103 bytes |

X509 certificate generation

Hi everybody!Anyone can explain me how to generate x509 certificated keys without using the keytool?Is there a way to do this?Any help would be greatly appreciated,thank you very very much!!!Alex...

3 answers | 230 bytes |

X500Name exception

I'm using JSSE 1.0.3_01 and getting a strange exception when I make certain SSL connections.The exception looks like:Exception in thread "main" java.io.IOException: java.io.IOException: java.lang.NullPointerException: at ...

1 answers | 880 bytes |

X.509 Certificate Chain truncated in java servlet

[nobr]Hello.I am performing some secondary authentication with X.509 certificates in my servlet and ran into a problem (application running on Tomcat 5.5). My application loops through the certificate chain doing database lookups on the RFC822Name, subjectDN, issuerDN, and serial number as ...

0 answers | 5825 bytes |

WSDL2Java SSL problem

Hi,I am trying to run WSDL2Java on an https URL and get the following error java.io.IOException: HTTPS hostname wrong: should be <ip address>I have added the certificate to the keystore and have checked that the URL and cn of the certificate match but I still get this error. When I turn ...

3 answers | 525 bytes |

WSDK 5.0, JDK 1.4 and JSSE

WSDK 5.0 (Web Services Development Kit, by IBM) sample applications show how to set up the environment if using JDK 1.4 and JSSE as a seperate package, however JSSE is now integrated into JDK 1.4 and therefore setting up the environment is different. Eventhough I'm setting the ...

1 answers | 706 bytes |

writing a program to block spam

Desparate for help!!I intend carry out a thesis project on Security of architecture by designing a Java programme to block Spams- Client side!I am very desparate for ideas on how I can go about this project. i am still writing a proposal but it would entail details on TCP/IP, socket Programming ...

3 answers | 340 bytes |

Writing a Custom Trust Manager

I am investigating for the first time how to write a custom trust manager. I reason that I want to do this is so that I can extend the capabilities of the default trust manager to add the ability to reject certificates that appear on a CRL. In reading through Sun's JSSE guide, it seems that ...

0 answers | 1279 bytes |

Works on JDK1.4 and not on JDK1.3.1

I was given JSSE application with (client cert authentication) and asked to move this backwards to JDK1.3.1After the changes to the code. During runtime, it gives me the followingerror(which works fine on JDK1.4). I have no clue how to resolve this.unknown ...

2 answers | 482 bytes |

Working with JSSE using multi-purpose keystore

Hello,I am currently working on an application which employs the JCA for providing signatures, authenticating users etc., but *also* working with JSSE.More specifically: The application must be able to verify signatures on code packages created by known users and loaded at runtime; but for ...

4 answers | 1289 bytes |

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