Symbol: EVP_MD_CTX_ctrl
crypto/libressl/include/openssl/evp.h
445
int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr);
crypto/libressl/ssl/tls12_record_layer.c
533
if (EVP_MD_CTX_ctrl(rp->hash_ctx, EVP_MD_CTRL_GOST_SET_SBOX,