Mercurial > dropbear

annotate filelist.txt @ 1672:3a97f14c0235

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Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) * Add Chacha20-Poly1305 authenticated encryption * Add general AEAD approach. * Add [email protected] algo using LibTomCrypt chacha and poly1305 routines. Chacha20-Poly1305 is generally faster than AES256 on CPU w/o dedicated AES instructions, having the same key size. Compiling in will add ~5,5kB to binary size on x86-64. function old new delta chacha_crypt - 1397 +1397 _poly1305_block - 608 +608 poly1305_done - 595 +595 dropbear_chachapoly_crypt - 457 +457 .rodata 26976 27392 +416 poly1305_process - 290 +290 poly1305_init - 221 +221 chacha_setup - 218 +218 encrypt_packet 1068 1270 +202 dropbear_chachapoly_getlength - 147 +147 decrypt_packet 756 897 +141 chacha_ivctr64 - 137 +137 read_packet 543 637 +94 dropbear_chachapoly_start - 94 +94 read_kex_algos 792 880 +88 chacha_keystream - 69 +69 dropbear_mode_chachapoly - 48 +48 sshciphers 280 320 +40 dropbear_mode_none 24 48 +24 dropbear_mode_ctr 24 48 +24 dropbear_mode_cbc 24 48 +24 dropbear_chachapoly_mac - 24 +24 dropbear_chachapoly - 24 +24 gen_new_keys 848 854 +6 ------------------------------------------------------------------------------ (add/remove: 14/0 grow/shrink: 10/0 up/down: 5388/0) Total: 5388 bytes * Add AES128-GCM and AES256-GCM authenticated encryption * Add general AES-GCM mode. * Add [email protected] and [email protected] algo using LibTomCrypt gcm routines. AES-GCM is combination of AES CTR mode and GHASH, slower than AES-CTR on CPU w/o dedicated AES/GHASH instructions therefore disabled by default. Compiling in will add ~6kB to binary size on x86-64. function old new delta gcm_process - 1060 +1060 .rodata 26976 27808 +832 gcm_gf_mult - 820 +820 gcm_add_aad - 660 +660 gcm_shift_table - 512 +512 gcm_done - 471 +471 gcm_add_iv - 384 +384 gcm_init - 347 +347 dropbear_gcm_crypt - 309 +309 encrypt_packet 1068 1270 +202 decrypt_packet 756 897 +141 gcm_reset - 118 +118 read_packet 543 637 +94 read_kex_algos 792 880 +88 sshciphers 280 360 +80 gcm_mult_h - 80 +80 dropbear_gcm_start - 62 +62 dropbear_mode_gcm - 48 +48 dropbear_mode_none 24 48 +24 dropbear_mode_ctr 24 48 +24 dropbear_mode_cbc 24 48 +24 dropbear_ghash - 24 +24 dropbear_gcm_getlength - 24 +24 gen_new_keys 848 854 +6 ------------------------------------------------------------------------------ (add/remove: 14/0 grow/shrink: 10/0 up/down: 6434/0) Total: 6434 bytes
author Vladislav Grishenko <themiron@users.noreply.github.com>
date Mon, 25 May 2020 20:50:25 +0500
parents d32bcb5c557d
children
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1 This file is out of date - it remains here in case it is still of use.
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2 The basic naming convention is svr- and cli- for seperate parts,
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3 then common- for common parts. Some files have no prefix.
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4
4
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5 A brief rundown on which files do what, and their corresponding sections
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6 in the IETF drafts. The .c files usually have corresponding .h files.
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7
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8 Transport layer draft-ietf-secsh-transport-16.txt
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9 ===============
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10
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11 session.c Contains the main select() loop, and handles setting
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12 up/closing down ssh connections
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13
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14 algo.c Framework for handling various ciphers/hashes/algos,
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15 and choosing between the lists of client/server
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16 preferred ones
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17
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18 kex.c Key exchange routines, used at startup to negotiate
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19 which algorithms to use, and also to obtain session
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20 keys. This also runs when rekeying during the
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21 connection.
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22
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23 packet.c Handles the basic packet encryption/decryption,
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24 and switching to the appropriate packet handlers.
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25 Called from session.c's main select loop.
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26
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27 service.c Handles service requests (userauth or connection)
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30 Authentication draft-ietf-secsh-userauth-17.txt
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31 ==============
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32
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33 auth.c General auth handling, including user checking etc,
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34 passes different auth types to auth{passwd,pubkey}
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35
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36 authpasswd.c Handles /etc/passwd or /etc/shadow auth
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37
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38 authpubkey.c Handles ~/.ssh/authorized_keys auth
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41 Connection draft-ietf-secsh-connect-17.txt
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42 ==========
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43
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44 channel.c Channel handling routines - each shell/tcp conn/agent
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45 etc is a channel.
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46
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47 chansession.c Handles shell/exec requests
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49 sshpty.c From OpenSSH, allocates PTYs etc
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50
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51 termcodes.c Mapping of POSIX terminal codes to SSH terminal codes
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52
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53 loginrec.c From OpenSSH, handles utmp/wtmp logging
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54
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55 x11fwd.c Handles X11 forwarding
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56
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57 agentfwd.c Handles auth-agent forwarding requests
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58
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59 localtcpfwd.c Handles -L style tcp forwarding requests, setting
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60 up the listening port and also handling connections
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61 to that port (and subsequent channels)
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64 Program-related
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65 ===============
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66
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67 dbmulti.c Combination binary chooser main() function
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68
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69 dbutil.c Various utility functions, incl logging, memory etc
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71 dropbearconvert.c Conversion from dropbear<->openssh keys, uses
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72 keyimport.c to do most of the work
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73
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74 dropbearkey.c Generates keys, calling gen{dss,rsa}
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76 keyimport.c Modified from PuTTY, converts between key types
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77
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78 main.c dropbear's main(), handles listening, forking for
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79 new connections, child-process limits
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81 runopts.c Parses commandline options
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83 options.h Compile-time feature selection
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84
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85 config.h Features selected from configure
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86
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87 debug.h Compile-time selection of debug features
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88
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89 includes.h Included system headers etc
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90
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91
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92 Generic Routines
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93 ================
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94
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95 signkey.c A generic handler for pubkeys, switches to dss or rsa
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96 depending on the key type
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97
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98 rsa.c RSA asymmetric crypto routines
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99
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100 dss.c DSS asymmetric crypto routines
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101
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102 ed25519.c Ed25519 asymmetric crypto routines
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103
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104 gened25519.c Ed25519 key generation
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105
4
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106 gendss.c DSS key generation
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107
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108 genrsa.c RSA key generation
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109
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110 bignum.c Some bignum helper functions
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111
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112 queue.c A queue, used to enqueue encrypted packets to send
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113
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114 random.c PRNG, based on /dev/urandom or prngd
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115
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116 atomicio.c From OpenSSH, does `blocking' IO on non-blocking fds
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118 buffer.c Buffer-usage routines, with size checking etc
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120
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121 vim:set ts=8: