Hi Wim,Thank you for your quick response.1. Yes. I called EVP_PKEY_new()
before calling EVP_PKEY_assign_RSA(pEvpkey, rsa);
2. For your second quetion: no. I have not checked there is anything in the
openssl error stack.
I will check the openssl error stack.
3. (1). If it works, is EVP_PKEY_assign_RSA(pEvpkey, rsa) the correct function
to call to get pEvpkey (EVP_PKEY) from a rsa private key?Is there any other
alternative function to get pEvpkey (EVP_PKEY) from a rsa private key?(2), Once
getting pEvpkey, can I call the following functions to get PKC#8 der
format:(a). PKCS8_PRIV_KEY_INFO *p8 = EVP_PKEY2PKCS8(pEvpkey);
(b). int der_len = i2d_PKCS8_PRIV_KEY_INFO(p8, &der);
Do you expect the above function call work? If not, what are the correct way to
get pkcs#8 der from pvk format?
Thank you
On Tuesday, December 4, 2018, 7:40:19 PM EST, Wim Lewis
<w...@omnigroup.com> wrote:
On 4. des. 2018, at 4:00 e.h., zhongju li via openssl-users
<openssl-users@openssl.org> wrote:
> Now I need to convert the key in RSA format to EVP_PKEY, then to PKCS#8. I
> have tried the following functions, all of these functions return 0 (failure)
> without any further debugging information/clues:
> EVP_PKEY_assign_RSA(pEvpkey, rsa);
Is it possible that pEvpkey or rsa is NULL? (You need to create a EVP_PKEY with
EVP_PKEY_new() before putting a specific key into it.)
Otherwise, have you checked whether there is anything in the openssl error
stack (using ERR_get_error(), ERR_print_errors_fp(), or similar)?
> I did google searching, but have not figured out why the about functions
> failed (one posting mentions “export version” vs. domestic version??).
There used to be different versions because of US export laws but I don't think
that has been the case for many years.
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