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Move all the auxiliary cipher functions into a new module.

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All those functions like aes256_encrypt_pubkey and des_decrypt_xdmauth
previously lived in the same source files as the ciphers they were
based on, and provided an alternative API to the internals of that
cipher's implementation. But there was no _need_ for them to have that
privileged access to the internals, because they didn't do anything
you couldn't access through the standard API. It was just a historical
oddity with no real benefit, whose main effect is to make refactoring
painful.

So now all of those functions live in a new file sshauxcrypt.c, and
they all work through the same vtable system as all other cipher
clients, by making an instance of the right cipher and configuring it
in the appropriate way. This should make them completely independent
of any internal changes to the cipher implementations they're based
on.
This commit is contained in:
Simon Tatham
2019-01-18 06:51:12 +00:00
parent 986508a570
commit 07db7f89b2
4 changed files with 157 additions and 137 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
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@ -254,7 +254,7 @@ ARITH = mpint ecc
SSHCRYPTO = ARITH sshmd5 sshsha sshsh256 sshsh512
+ sshrsa sshdss sshecc
+ sshdes sshblowf sshaes sshccp ssharcf
+ sshdh sshcrc sshcrcda
+ sshdh sshcrc sshcrcda sshauxcrypt
SSHCOMMON = sshcommon sshrand SSHCRYPTO
+ sshverstring
+ sshpubk sshzlib
@ -333,13 +333,13 @@ psftp : [C] psftp winsftp wincons WINSSH BE_SSH SFTP wildcard WINMISC
pageant : [G] winpgnt pageant sshrsa sshpubk sshdes ARITH sshmd5 version
+ tree234 MISC sshaes sshsha winsecur winpgntc aqsync sshdss sshsh256
+ sshsh512 winutils sshecc winmisc winmiscs winhelp conf pageant.res
+ LIBS
+ sshauxcrypt LIBS
puttygen : [G] winpgen sshrsag sshdssg sshprime sshdes ARITH sshmd5 version
+ sshrand winnoise sshsha winstore MISC winctrls sshrsa sshdss winmisc
+ sshpubk sshaes sshsh256 sshsh512 IMPORT winutils puttygen.res
+ tree234 notiming winhelp winnojmp CONF LIBS wintime sshecc
+ sshecdsag winsecur winmiscs
+ sshecdsag sshauxcrypt winsecur winmiscs
pterm : [X] GTKTERM uxmisc misc ldisc settings uxpty uxsel BE_NONE uxstore
+ uxsignal CHARSET cmdline uxpterm version time xpmpterm xpmptcfg
@ -357,7 +357,7 @@ plink : [U] uxplink uxcons NONSSH UXSSH U_BE_ALL logging UXMISC uxsignal
PUTTYGEN_UNIX = sshrsag sshdssg sshprime sshdes ARITH sshmd5 version
+ sshrand uxnoise sshsha MISC sshrsa sshdss uxcons uxstore uxmisc
+ sshpubk sshaes sshsh256 sshsh512 IMPORT puttygen.res time tree234
+ uxgen notiming CONF sshecc sshecdsag uxnogtk
+ uxgen notiming CONF sshecc sshecdsag uxnogtk sshauxcrypt
puttygen : [U] cmdgen PUTTYGEN_UNIX
cgtest : [UT] cgtest PUTTYGEN_UNIX
@ -368,6 +368,7 @@ pageant : [X] uxpgnt uxagentc aqsync pageant sshrsa sshpubk sshdes ARITH
+ sshmd5 version tree234 misc sshaes sshsha sshdss sshsh256 sshsh512
+ sshecc CONF uxsignal nocproxy nogss be_none x11fwd ux_x11 uxcons
+ gtkask gtkmisc nullplug logging UXMISC uxagentsock utils memory
+ sshauxcrypt
ptermapp : [XT] GTKTERM uxmisc misc ldisc settings uxpty uxsel BE_NONE uxstore
+ uxsignal CHARSET uxpterm version time xpmpterm xpmptcfg