But this (assuming it works) will only create a public key. I want to use
the private key with OpenSSL.
On Thu, Mar 24, 2016 at 8:40 AM, Tadd Seiff <[email protected]> wrote:
> I only have a few minutes and can't guarantee this is complete or tested,
> but maybe it will help.
>
> All you really need is the modulus and exponent from the key. You get
> these via "GetAttribData" in trousers:
>
> tss_result = Tspi_GetAttribData(hBind_Key, TSS_TSPATTRIB_RSAKEY_INFO,
> TSS_TSPATTRIB_KEYINFO_RSA_MODULUS, &m_size, &m);
>
> tss_result = Tspi_GetAttribData(hBind_Key, TSS_TSPATTRIB_RSAKEY_INFO,
> TSS_TSPATTRIB_KEYINFO_RSA_EXPONENT, &e_size, &e);
>
>
> Then something like this:
>
> RSA *rsa = RSA_new();
> rsa->e = BN_bin2bn(e, e_size, rsa->e);
> rsa->n = BN_bin2bn(m, m_size, rsa->n);
>
> -Tadd
>
>
> On Tue, Mar 22, 2016 at 9:12 PM eye two are <[email protected]> wrote:
>
>> Hi, i am trying to convert a TPM key which i obtained from a particular
>> UUID into an RSA struct to be used with OpenSSL. Does anyone have any
>> example code on how to do it?
>>
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