sshbuf_dump_data
sshbuf_dump_data(sig, slen, stderr);
sshbuf_dump_data(digest, len, stderr);
sshbuf_dump_data(apphash, sizeof(apphash), stderr);
sshbuf_dump_data(msghash, sizeof(msghash), stderr);
sshbuf_dump_data(sigb, len, stderr);
sshbuf_dump_data(sigblob, len, stderr);
sshbuf_dump_data(apphash, sizeof(apphash), stderr);
sshbuf_dump_data(msghash, sizeof(msghash), stderr);
sshbuf_dump_data(resp->sig_r, resp->sig_r_len, stderr);
sshbuf_dump_data(resp->sig_s, resp->sig_s_len, stderr);
sshbuf_dump_data(resp->sig_r, resp->sig_r_len, stderr);
sshbuf_dump_data(data, datalen, stderr);
sshbuf_dump_data(sshbuf_ptr(buf), sshbuf_len(buf), f);
void sshbuf_dump_data(const void *s, size_t len, FILE *f);
sshbuf_dump_data(keyiv, ssh_digest_bytes(SSHKEY_SHIELD_PREKEY_HASH),
sshbuf_dump_data(enc, enclen, stderr);
sshbuf_dump_data(keyiv, ssh_digest_bytes(SSHKEY_SHIELD_PREKEY_HASH),
sshbuf_dump_data(k->shielded_private, k->shielded_len, stderr);
sshbuf_dump_data(prv->ed25519_sk, ED25519_SK_SZ, stderr);