Return the OSSL_PARAM descriptors for parameters settable on a digest context.
Declared in <openssl/evp.h>
<openssl/evp.h>
OSSL_PARAM const* EVP_MD_CTX_settable_params(EVP_MD_CTX* ctx);
Array of OSSL_PARAM descriptors terminated by OSSL_PARAM_END, or NULL.