do_pk8pkey
static int do_pk8pkey(BIO *bp, const EVP_PKEY *x, int isder,
ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u, propq);
return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u, NULL);
return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u, NULL);
return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u, NULL);
return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u, NULL);