Is it possible that the key was not exported as PKCS#8 and was just exported to 
DER just using i2d_PrivateKey or similar?

You can use openssl asn1parse to check:

"openssl asn1parse -in my.key -inform der"

If it is PKCS#8 exported, then you should see sequence, integer, sequence, 
object (RSAEnc) and a single octet string.

If it is exported directly, then I think you get 6 or more octet strings listed.

Carl


On Mon 15/06/09 4:38 PM , Sébastien PIAU 
sebastien.p...@covoiturage-entreprise.com sent:
Hello,

I want to convert a private key from DER to PEM format with the following 
command :

>openssl pkcs8 -inform DER -nocrypto -in my.key  -out my.key.pem

Unfortunately, it seems that -nocrypto options doesn't exist in my openssl 
versions (OpenSSL 0.9.8e and OpenSSL 0.9.8h )



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