Gecko [ avigyah.mydemowebs.in ]

Name	Size	Permission
aes.h	1015 B	-rw-r--r--
align.h	569 B	-rw-r--r--
app.h	6.97 KB	-rw-r--r--
assertions.h	2.17 KB	-rw-r--r--
astack.h	1.11 KB	-rw-r--r--
atomic.h	3.01 KB	-rw-r--r--
backtrace.h	3.8 KB	-rw-r--r--
barrier.h	1.03 KB	-rw-r--r--
base32.h	4.35 KB	-rw-r--r--
base64.h	2.8 KB	-rw-r--r--
bind9.h	829 B	-rw-r--r--
buffer.h	29.91 KB	-rw-r--r--
bufferlist.h	1.42 KB	-rw-r--r--
cmocka.h	1.35 KB	-rw-r--r--
commandline.h	1.67 KB	-rw-r--r--
condition.h	1.87 KB	-rw-r--r--
counter.h	1.88 KB	-rw-r--r--
crc64.h	998 B	-rw-r--r--
deprecated.h	662 B	-rw-r--r--
dir.h	1.51 KB	-rw-r--r--
endian.h	4.75 KB	-rw-r--r--
errno.h	659 B	-rw-r--r--
errno2result.h	901 B	-rw-r--r--
error.h	1.4 KB	-rw-r--r--
event.h	3.36 KB	-rw-r--r--
eventclass.h	1.41 KB	-rw-r--r--
file.h	11.4 KB	-rw-r--r--
formatcheck.h	940 B	-rw-r--r--
fsaccess.h	7.28 KB	-rw-r--r--
fuzz.h	593 B	-rw-r--r--
hash.h	1.61 KB	-rw-r--r--
heap.h	5.14 KB	-rw-r--r--
hex.h	2.74 KB	-rw-r--r--
hmac.h	3.88 KB	-rw-r--r--
hp.h	4.48 KB	-rw-r--r--
ht.h	4.38 KB	-rw-r--r--
httpd.h	2.24 KB	-rw-r--r--
interfaceiter.h	3.07 KB	-rw-r--r--
iterated_hash.h	933 B	-rw-r--r--
lang.h	686 B	-rw-r--r--
lex.h	9.77 KB	-rw-r--r--
lfsr.h	2.89 KB	-rw-r--r--
lib.h	1.13 KB	-rw-r--r--
likely.h	868 B	-rw-r--r--
list.h	7.9 KB	-rw-r--r--
log.h	25.88 KB	-rw-r--r--
magic.h	999 B	-rw-r--r--
managers.h	776 B	-rw-r--r--
md.h	5.63 KB	-rw-r--r--
mem.h	17.66 KB	-rw-r--r--
meminfo.h	710 B	-rw-r--r--
mutex.h	4.08 KB	-rw-r--r--
mutexatomic.h	9.56 KB	-rw-r--r--
mutexblock.h	1.13 KB	-rw-r--r--
net.h	8.36 KB	-rw-r--r--
netaddr.h	4.67 KB	-rw-r--r--
netdb.h	860 B	-rw-r--r--
netmgr.h	15.36 KB	-rw-r--r--
netscope.h	966 B	-rw-r--r--
nonce.h	743 B	-rw-r--r--
offset.h	687 B	-rw-r--r--
once.h	767 B	-rw-r--r--
os.h	765 B	-rw-r--r--
parseint.h	1.5 KB	-rw-r--r--
platform.h	1.82 KB	-rw-r--r--
pool.h	3.41 KB	-rw-r--r--
portset.h	3.22 KB	-rw-r--r--
print.h	680 B	-rw-r--r--
queue.h	1.31 KB	-rw-r--r--
quota.h	3.48 KB	-rw-r--r--
radix.h	6.85 KB	-rw-r--r--
random.h	1.45 KB	-rw-r--r--
ratelimiter.h	3.41 KB	-rw-r--r--
refcount.h	4.98 KB	-rw-r--r--
regex.h	767 B	-rw-r--r--
region.h	2.18 KB	-rw-r--r--
resource.h	2.79 KB	-rw-r--r--
result.h	5.45 KB	-rw-r--r--
resultclass.h	1.56 KB	-rw-r--r--
rwlock.h	2.48 KB	-rw-r--r--
safe.h	1.12 KB	-rw-r--r--
serial.h	1.33 KB	-rw-r--r--
siphash.h	916 B	-rw-r--r--
sockaddr.h	6.13 KB	-rw-r--r--
socket.h	23.55 KB	-rw-r--r--
stat.h	803 B	-rw-r--r--
stats.h	6.53 KB	-rw-r--r--
stdatomic.h	8.9 KB	-rw-r--r--
stdio.h	1.69 KB	-rw-r--r--
stdtime.h	1.36 KB	-rw-r--r--
strerr.h	575 B	-rw-r--r--
string.h	851 B	-rw-r--r--
symtab.h	4.22 KB	-rw-r--r--
syslog.h	843 B	-rw-r--r--
task.h	16.72 KB	-rw-r--r--
taskpool.h	3.2 KB	-rw-r--r--
thread.h	1.86 KB	-rw-r--r--
time.h	10.85 KB	-rw-r--r--
timer.h	7.77 KB	-rw-r--r--
tm.h	894 B	-rw-r--r--
types.h	5.72 KB	-rw-r--r--
url.h	2.62 KB	-rw-r--r--
utf8.h	928 B	-rw-r--r--
util.h	13.96 KB	-rw-r--r--
version.h	499 B	-rw-r--r--

Code Editor : hmac.h

/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * 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.
 */

/*!
 * \file isc/hmac.h
 * \brief This is the header for for message authentication code.
 */

#pragma once

#include <isc/lang.h>
#include <isc/md.h>
#include <isc/platform.h>
#include <isc/result.h>
#include <isc/types.h>

typedef void isc_hmac_t;

/**
 * isc_hmac:
 * @type: the digest type
 * @key: the key
 * @keylen: the length of the key
 * @buf: data to hash
 * @len: length of the data to hash
 * @digest: the output buffer
 * @digestlen: the length of the data written to @digest
 *
 * This function computes the message authentication code using a digest type
 * @type with key @key which is @keylen bytes long from data in @buf which is
 * @len bytes long, and places the output into @digest, which must have space
 * for the hash function output (use ISC_MAX_MD_SIZE if unsure).  If the
 * @digestlen parameter is not NULL then the number of bytes of data written
 * (i.e. the length of the digest) will be written to the @digestlen.
 */
isc_result_t
isc_hmac(const isc_md_type_t *type, const void *key, const int keylen,
	 const unsigned char *buf, const size_t len, unsigned char *digest,
	 unsigned int *digestlen);

/**
 * isc_hmac_new:
 *
 * This function allocates, initializes and returns HMAC context.
 */
isc_hmac_t *
isc_hmac_new(void);

/**
 * isc_hmac_free:
 * @md: HMAC context
 *
 * This function cleans up HMAC context and frees up the space allocated to it.
 */
void
isc_hmac_free(isc_hmac_t *hmac);

/**
 * isc_hmac_init:
 * @md: HMAC context
 * @key: HMAC key
 * @keylen: HMAC key length
 * @type: digest type
 *
 * This function sets up HMAC context to use a hash function of @type and key
 * @key which is @keylen bytes long.
 */

isc_result_t
isc_hmac_init(isc_hmac_t *hmac, const void *key, size_t keylen,
	      const isc_md_type_t *type);

/**
 * isc_hmac_reset:
 * @hmac: HMAC context
 *
 * This function resets the HMAC context.  This can be used to reuse an already
 * existing context.
 */
isc_result_t
isc_hmac_reset(isc_hmac_t *hmac);

/**
 * isc_hmac_update:
 * @hmac: HMAC context
 * @buf: data to hash
 * @len: length of the data to hash
 *
 * This function can be called repeatedly with chunks of the message @buf to be
 * authenticated which is @len bytes long.
 */
isc_result_t
isc_hmac_update(isc_hmac_t *hmac, const unsigned char *buf, const size_t len);

/**
 * isc_hmac_final:
 * @hmac: HMAC context
 * @digest: the output buffer
 * @digestlen: the length of the data written to @digest
 *
 * This function retrieves the message authentication code from @hmac and places
 * it in @digest, which must have space for the hash function output.  If the
 * @digestlen parameter is not NULL then the number of bytes of data written
 * (i.e. the length of the digest) will be written to the @digestlen.  After
 * calling this function no additional calls to isc_hmac_update() can be made.
 */
isc_result_t
isc_hmac_final(isc_hmac_t *hmac, unsigned char *digest,
	       unsigned int *digestlen);

/**
 * isc_hmac_md_type:
 * @hmac: HMAC context
 *
 * This function return the isc_md_type_t previously set for the supplied
 * HMAC context or NULL if no isc_md_type_t has been set.
 */
const isc_md_type_t *
isc_hmac_get_md_type(isc_hmac_t *hmac);

/**
 * isc_hmac_get_size:
 *
 * This function return the size of the message digest when passed an isc_hmac_t
 * structure, i.e. the size of the hash.
 */
size_t
isc_hmac_get_size(isc_hmac_t *hmac);

/**
 * isc_hmac_get_block_size:
 *
 * This function return the block size of the message digest when passed an
 * isc_hmac_t structure.
 */
int
isc_hmac_get_block_size(isc_hmac_t *hmac);

${this.title}

Code Editor : hmac.h