A tip regarding the exchange of keys:
Traditional Java keystores does not allow you to import
or export a private key. Only to generate it in the keystore.
However, you can load a PKCS12 (pfx) file as a keystore instead.
So by generating the keys using OpenSSL and packaging them
as a PKCS12-package you can make them available for both platforms
without installing additional providers.
Regards
Fredr!k
-----Ursprungligt meddelande-----
Från: john bart
Till: comp.lang.java.security@news2mail.com; secprog@securityfocus.com;
webappsec@securityfocus.com; SC-L@securecoding.org;
vuln-dev@securityfocus.com
Skickat: 2005-03-28 17:43
Ämne: Java -> .NET RSA Encryption
Hello all,
I want to RSA encrypt a message in a java environment, and to decrypt it
in
.NET.
I thought it would be easy - encrypt the message using a public key
(java
environment), and decrypt it (.net environment) with the private key.
Sounds
simple in theory...
So far, i didn't manage to do that.
I had problems from the beginning, when i tried to generate the key-pair
and
export it between the environment. How can i generate the keys, put the
private key in the .net environment and the private key in the java
environment (JKS) ?
Also, do i need an external provider for java, like BouncyCastle? some
of
the articles say that i must use that, but in the documentation of Java
1.5
there's a provider that can do RSA encryption. I'm confused..
If enyone have an example to do such encryption (and some explanation on
key
generation and exchange..) it'll be great...
thanks in advance,
john.
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