On Wed, May 28, 2014, Sverre Moe wrote:

> I found something quite peculiar with my ECC Certificate from DigiCert.
> 
> Signature algorithm used in this Certificate:
> Shown in Chromium:
>     PKCS #1 SHA-256 with RSA-encryption
> Output in a Java program with debugging -Djava.net.debug=ssl:
>     Algorithm: [SHA256withRSA]
> 
> 
> Shouldn't it actually be SHA256withECDSA used as Signing Algorithm for the
> certificate?
> 

Not necessarily. The signature on a certificate is made using the key of its
parent CA. So that means that the parent CA uses an RSA key and not an ECDSA
key.

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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