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82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/* Copyright (c) 2017, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file hs_ident.c
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* \brief Contains circuit and connection identifier code for the whole HS
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* subsytem.
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**/
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#include "hs_ident.h"
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/* Return a newly allocated circuit identifier. The given public key is copied
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* identity_pk into the identifier. */
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hs_ident_circuit_t *
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hs_ident_circuit_new(const ed25519_public_key_t *identity_pk,
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hs_ident_circuit_type_t circuit_type)
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{
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tor_assert(circuit_type == HS_IDENT_CIRCUIT_INTRO ||
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circuit_type == HS_IDENT_CIRCUIT_RENDEZVOUS);
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hs_ident_circuit_t *ident = tor_malloc_zero(sizeof(*ident));
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ed25519_pubkey_copy(&ident->identity_pk, identity_pk);
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ident->circuit_type = circuit_type;
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return ident;
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}
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/* Free the given circuit identifier. */
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void
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hs_ident_circuit_free(hs_ident_circuit_t *ident)
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{
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if (ident == NULL) {
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return;
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}
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if (ident->auth_key_type == HS_AUTH_KEY_TYPE_LEGACY) {
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crypto_pk_free(ident->auth_rsa_pk);
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}
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memwipe(ident, 0, sizeof(hs_ident_circuit_t));
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tor_free(ident);
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}
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/* For a given directory connection identifier src, return a newly allocated
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* copy of it. This can't fail. */
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hs_ident_dir_conn_t *
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hs_ident_dir_conn_dup(const hs_ident_dir_conn_t *src)
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{
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hs_ident_dir_conn_t *ident = tor_malloc_zero(sizeof(*ident));
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memcpy(ident, src, sizeof(*ident));
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return ident;
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}
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/* Free the given directory connection identifier. */
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void
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hs_ident_dir_conn_free(hs_ident_dir_conn_t *ident)
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{
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if (ident == NULL) {
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return;
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}
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memwipe(ident, 0, sizeof(hs_ident_dir_conn_t));
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tor_free(ident);
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}
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/* Return a newly allocated edge connection identifier. The given public key
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* identity_pk is copied into the identifier. */
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hs_ident_edge_conn_t *
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hs_ident_edge_conn_new(const ed25519_public_key_t *identity_pk)
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{
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hs_ident_edge_conn_t *ident = tor_malloc_zero(sizeof(*ident));
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ed25519_pubkey_copy(&ident->identity_pk, identity_pk);
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return ident;
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}
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/* Free the given edge connection identifier. */
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void
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hs_ident_edge_conn_free(hs_ident_edge_conn_t *ident)
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{
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if (ident == NULL) {
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return;
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}
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memwipe(ident, 0, sizeof(hs_ident_edge_conn_t));
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tor_free(ident);
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}
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