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Use libsodium instead of OpenSSL for binary cache signing

Browse source 
Sodium's Ed25519 signatures are much shorter than OpenSSL's RSA
signatures. Public keys are also much shorter, so they're now
specified directly in the nix.conf option ‘binary-cache-public-keys’.

The new command ‘nix-store --generate-binary-cache-key’ generates and
prints a public and secret key.
This commit is contained in:
Eelco Dolstra 2015-02-04 16:43:32 +01:00
parent 0d1dafa0c4
commit e0def5bc4b
15 changed files with 196 additions and 91 deletions
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27
perl/lib/Nix/Config.pm.in
View file

@ -1,5 +1,7 @@
package Nix::Config;
use MIME::Base64;
$version = "@PACKAGE_VERSION@";
$binDir = $ENV{"NIX_BIN_DIR"} || "@bindir@";
@ -19,24 +21,31 @@ $useBindings = "@perlbindings@" eq "yes";
%config = ();
%binaryCachePublicKeys = ();
sub readConfig {
if (defined $ENV{'_NIX_OPTIONS'}) {
foreach my $s (split '\n', $ENV{'_NIX_OPTIONS'}) {
my ($n, $v) = split '=', $s, 2;
$config{$n} = $v;
}
return;
} else {
my $config = "$confDir/nix.conf";
return unless -f $config;
open CONFIG, "<$config" or die "cannot open ‘$config’";
while (<CONFIG>) {
/^\s*([\w\-\.]+)\s*=\s*(.*)$/ or next;
$config{$1} = $2;
}
close CONFIG;
}
my $config = "$confDir/nix.conf";
return unless -f $config;
open CONFIG, "<$config" or die "cannot open ‘$config’";
while (<CONFIG>) {
/^\s*([\w\-\.]+)\s*=\s*(.*)$/ or next;
$config{$1} = $2;
foreach my $s (split(/ /, $config{"binary-cache-public-keys"} // "")) {
my ($keyName, $publicKey) = split ":", $s;
next unless defined $keyName && defined $publicKey;
$binaryCachePublicKeys{$keyName} = decode_base64($publicKey);
}
close CONFIG;
}
return 1;