985     PROV_RSA_CTX *srcctx = (PROV_RSA_CTX *)vprsactx;  in rsa_dupctx()  local
991     dstctx = OPENSSL_zalloc(sizeof(*srcctx));  in rsa_dupctx()
997     *dstctx = *srcctx;  in rsa_dupctx()
1004     if (srcctx->rsa != NULL && !RSA_up_ref(srcctx->rsa))  in rsa_dupctx()
1006     dstctx->rsa = srcctx->rsa;  in rsa_dupctx()
1008     if (srcctx->md != NULL && !EVP_MD_up_ref(srcctx->md))  in rsa_dupctx()
1010     dstctx->md = srcctx->md;  in rsa_dupctx()
1012     if (srcctx->mgf1_md != NULL && !EVP_MD_up_ref(srcctx->mgf1_md))  in rsa_dupctx()
1014     dstctx->mgf1_md = srcctx->mgf1_md;  in rsa_dupctx()
1016     if (srcctx->mdctx != NULL) {  in rsa_dupctx()
1019                 || !EVP_MD_CTX_copy_ex(dstctx->mdctx, srcctx->mdctx))  in rsa_dupctx()
1023     if (srcctx->propq != NULL) {  in rsa_dupctx()
1024         dstctx->propq = OPENSSL_strdup(srcctx->propq);  in rsa_dupctx()