Re: OpenSSL engine and TPM usage.

[Freemon Johnson <freemonj@xxxxxxxxx>]

Hi Jayalakshmi,

Is your implementation OSS or intellectual property? If it is OSS can you please provide the URL?

Regards,

Freemon

On Wed, Oct 25, 2017 at 1:06 PM, Jayalakshmi bhat <bhat.jayalakshmi@xxxxxxxxx> wrote:

Hi All,

Our device uses TPM to protect certificate private keys. We have written engine interface to integrate TPM functionality into OpenSSL. Thus TPM gets loaded as an engine instance.

Also we have mapped RSA operations to TPM APIS as  like encryption/decryption etc.

Now we are into few issues. there are few applications that wants to use application specific identity certificate. In such cases RSA APIs should not get mapped to TPM APIs.

I wanted to know when we use engine instance for encyrption/decryption operation, can it be done selectively?

Regards

Jayalakshmi

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