Mercurial > dropbear

annotate ltc_prng.h @ 1861:2b3a8026a6ce

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Add re-exec for server This allows ASLR to re-randomize the address space for every connection, preventing some vulnerabilities from being exploitable by repeated probing. Overhead (memory and time) is yet to be confirmed. At present this is only enabled on Linux. Other BSD platforms with fexecve() would probably also work though have not been tested.
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:14:56 +0800
parents d68d61e7056a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 857
diff changeset
1 #ifndef DROPBEAR_LTC_PRNG_H_DROPBEAR
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 857
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2 #define DROPBEAR_LTC_PRNG_H_DROPBEAR
759
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents:
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3
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents:
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4 #include "includes.h"
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents:
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5
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1036
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6 #if DROPBEAR_LTC_PRNG
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76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents:
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7
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents:
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8 extern const struct ltc_prng_descriptor dropbear_prng_desc;
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents:
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9
857
c19acba28590 use oldstyle comments
Matt Johnston <matt@ucc.asn.au>
parents: 759
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10 #endif /* DROPBEAR_LTC_PRNG */
759
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents:
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11
1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 857
diff changeset
12 #endif /* DROPBEAR_LTC_PRNG_H_DROPBEAR */