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The three functions has been modeled after the arc4random family of functions, and they will always return random bytes. The isc_random family of functions internally use these CSPRNG (if available): 1. getrandom() libc call (might be available on Linux and Solaris) 2. SYS_getrandom syscall (might be available on Linux, detected at runtime) 3. arc4random(), arc4random_buf() and arc4random_uniform() (available on BSDs and Mac OS X) 4. crypto library function: 4a. RAND_bytes in case OpenSSL 4b. pkcs_C_GenerateRandom() in case PKCS#11 library
35 lines
896 B
C
35 lines
896 B
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#ifndef RNDC_KEYGEN_H
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#define RNDC_KEYGEN_H 1
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/*! \file */
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#include <isc/lang.h>
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ISC_LANG_BEGINDECLS
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void generate_key(isc_mem_t *mctx, dns_secalg_t alg, int keysize,
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isc_buffer_t *key_txtbuffer);
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void write_key_file(const char *keyfile, const char *user,
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const char *keyname, isc_buffer_t *secret,
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dns_secalg_t alg);
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const char *alg_totext(dns_secalg_t alg);
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dns_secalg_t alg_fromtext(const char *name);
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int alg_bits(dns_secalg_t alg);
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ISC_LANG_ENDDECLS
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#endif /* RNDC_KEYGEN_H */
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