Add C++ functions for .narinfo processing / signing

This is currently only used by the Hydra queue runner rework, but like
eff5021eaa6dc69f65ea1a8abe8f3ab11ef5eb0a it presumably will be useful
for the C++ rewrite of nix-push and
download-from-binary-cache. (@shlevy)

1 files changed, 3 insertions, 6 deletions

diff --git a/scripts/nix-push.in b/scripts/nix-push.in
index 2d9d83f59b..54456ac951 100755
--- a/scripts/nix-push.in
+++ b/scripts/nix-push.in
@@ -258,13 +258,10 @@ for (my $n = 0; $n < scalar @storePaths2; $n++) {
     }
 
     if (defined $secretKeyFile) {
-        my $s = readFile $secretKeyFile;
-        chomp $s;
-        my ($keyName, $secretKey) = split ":", $s;
-        die "invalid secret key file ‘$secretKeyFile’\n" unless defined $keyName && defined $secretKey;
+        my $secretKey = readFile $secretKeyFile;
         my $fingerprint = fingerprintPath($storePath, $narHash, $narSize, $refs);
-        my $sig = encode_base64(signString(decode_base64($secretKey), $fingerprint), "");
-        $info .= "Sig: $keyName:$sig\n";
+        my $sig = signString($secretKey, $fingerprint);
+        $info .= "Sig: $sig\n";
     }
 
     my $pathHash = substr(basename($storePath), 0, 32);