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Diffstat (limited to 'lib/isc/include/isc/iterated_hash.h')
-rw-r--r-- | lib/isc/include/isc/iterated_hash.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/isc/include/isc/iterated_hash.h b/lib/isc/include/isc/iterated_hash.h new file mode 100644 index 0000000..b5d6ab6 --- /dev/null +++ b/lib/isc/include/isc/iterated_hash.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +#include <isc/lang.h> + +/* + * The maximal hash length that can be encoded in a name + * using base32hex. floor(255/8)*5 + */ +#define NSEC3_MAX_HASH_LENGTH 155 + +/* + * The maximum has that can be encoded in a single label using + * base32hex. floor(63/8)*5 + */ +#define NSEC3_MAX_LABEL_HASH 35 + +ISC_LANG_BEGINDECLS + +int +isc_iterated_hash(unsigned char *out, const unsigned int hashalg, + const int iterations, const unsigned char *salt, + const int saltlength, const unsigned char *in, + const int inlength); + +ISC_LANG_ENDDECLS |