On 22/04/2022 08:26, Gahlot, Ashish Kumar wrote:
Hi,
I’m trying to load the Legacy Provider by following this guide here
https://wiki.openssl.org/index.php/OpenSSL_3.0
<https://wiki.openssl.org/index.php/OpenSSL_3.0> using this following code:
/* Load Multiple providers into the default (NULL) library context */
legacy = OSSL_PROVIDER_load(NULL, "legacy");
if (legacy == NULL) {
printf("Failed to load Legacy provider\n");
exit(EXIT_FAILURE);
}
But it fails to load the legacy provider. I also tried to by editing the
configuration file but I get the same error. I’m using “OpenSSL 3.0.0 7
sep 2021 (Library: OpenSSL 3.0.0 7 sep 2021)”.
Most likely it is not finding the legacy.so file in its default location.
The default directory for these modules is returned by:
openssl version -m
Check that directory to make sure legacy.so exists there.
If you have legacy.so in some other location you can specify it by
setting the OPENSSL_MODULES environment variable to the alternative
directory.
If the above doesn't help then one other thing to try is to dump out the
OpenSSL error stack to see if you get any clues from that, e.g. by
adding the following to your code:
ERR_print_errors_fp(stdout);
Matt
Thank you,
Ashish
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