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From Thomas Hofer <tho...@auto.tuwien.ac.at>
Subject Re: ECC in combination with WSS4J
Date Tue, 08 Jan 2013 10:23:16 GMT
Well, thank you. This is a bit awkward ;-)

Sorry for that not so good question :D


On 2013-01-08 11:08, Colm O hEigeartaigh wrote:
>
> You can't use a Key of type "SHA256withECDSA" for Encryption, only for 
> Signature.
>
> Colm.
>
> On Mon, Jan 7, 2013 at 3:11 PM, Thomas Hofer <thofer@auto.tuwien.ac.at 
> <mailto:thofer@auto.tuwien.ac.at>> wrote:
>
>     Hello!
>
>     I'm trying to use WSS4J in combination with elliptic curve
>     cryptography. I installed BouncyCastle as provider.
>     The PublicKey is of type SHA256withECDSA stored in a JKS, created
>     with the Java keytool (Java 7). The whole setup works if I switch
>     to RSA keys, but when I'm using an EC key following exception occurs:
>
>     Caused by: java.security.InvalidKeyException: unknown key type
>     passed to RSA
>         at
>     org.bouncycastle.jcajce.provider.asymmetric.rsa.CipherSpi.engineInit(Unknown
>     Source)
>         at javax.crypto.Cipher.implInit(Cipher.java:685)
>         at javax.crypto.Cipher.chooseProvider(Cipher.java:737)
>         at javax.crypto.Cipher.init(Cipher.java:1113)
>         at javax.crypto.Cipher.init(Cipher.java:1053)
>         at
>     org.apache.ws.security.message.WSSecEncryptedKey.prepareInternal(WSSecEncryptedKey.java:257)
>
>     So far I found no way to set the algorithm used to create the key.
>     The problem occurs when WSSecEncryptedKey.prepareInternal(...)
>     tries to initialize the cipher
>
>     cipher.init(Cipher.WRAP_MODE, remoteCert.getPublicKey(),
>     oaepParameterSpec);
>
>     Some hints or links to tutorials are really appreciated. So far I
>     found nothing helpful.
>
>     Best regards
>     Thomas Hofer
>
>
>
>
> -- 
> Colm O hEigeartaigh
>
> Talend Community Coder
> http://coders.talend.com

-- 
Dipl.-Ing. Thomas Hofer
Projektassistent
thofer@auto.tuwien.ac.at
Tel. +43 1 58801-18329
Fax +43 1 58801-18391
Institut f├╝r Rechnergest├╝tzte Automation
Treitlstr. 1-3/4. Stock/E183-1
TU Wien


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