damien.leroy at uclouvain.be
Mon Dec 22 05:09:21 EST 2008
What do you mean by "encapsulation" ?
I simply output the der file using "openssl rsa -in F_pv.pem -out
F_pb.der -outform DER -pubout" and I do not see any encapsulation
option. Is it wrong ?
Computer Science & Engineering Dept. (INGI)
UCLouvain - Belgium
Jouni Malinen a écrit :
> On Thu, Dec 18, 2008 at 03:35:16PM +0100, Damien Leroy wrote:
>> For this, I need asymmetric encryption (for both signing and encrypting)
>> , e.g., RSA. Such operations are available within crypto_internal. For
>> importing public keys, I can use "crypto_public_key_import" that calls
>> crypto_rsa_import_public_key (in src/tls/rsa.*) that is supposed to
>> import "DER" keys.
>> However, if I try to open a DER key file (created using OpenSSL), this
>> always stops on the same error : "RSA: Expected INTEGER - found class 0
>> tag 0x10".
>> It seems to be a format error in the key but I really think the key is ok.
> How is your key encapsulated? crypto_internal supports only a limited
> number of encoding styles and you can certainly create DER files that it
> won't read. I'm using key and certificate files generated with OpenSSL
> and it works fine as long as you select one of the support options. If
> you think that crypto_internal should have been able to parse the file
> you used, please send me an example file so that I can see what is the
> exact format used in it.
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