Hi All,
I'm trying to develop a product using TPM and trousers-0.3.7, which can decrypt
cipher text with RSA keys generated outside TPM.
I have already written applications create RSA keys by Tspi_Key_CreateKey(),
and sign/verify by Tspi_Hash_Sign()/Tspi_Hash_VerifySignature() with these
keys, they work very well on my platform.
However, I am wondering now if it is possible to encrypt/decrypt with RSA keys
generated outside TPM chips, say by another machine's openssl applications?
There is a RSA_generate_keys() function in openssl library, I plann to use it
generate RSA key-pair, and encrypt something with the private key.
My question is: Does there exist a way for me to set the public key into TPM
chip, and let TPM chip decrypt cipher-text with the public key?
I am trying use Tspi_SetAttribData(hKey, TSS_TSPATTRIB_KEY_BLOB,
TSS_TSPATTRIB_KEYBLOB_PUBLIC_KEY, ...); to set public key into TPM chip, I just
have no idea what TSS API I can use to decrypt something with hKey then, or
there's such APIs even?
Please anyone know anything about this give me a feedback. Thanks in advance
so~~ much!
Best Regards
Edward.Yang (#7023)
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