1 files changed, 103 insertions, 0 deletions
diff --git a/tools/ring-a-party b/tools/ring-a-party
new file mode 100755
index 000000000..561b51336
--- /dev/null
+++ b/tools/ring-a-party
@@ -0,0 +1,103 @@
+#!/bin/sh
+# ring-a-party	- print a keyring suitable for a key signing party
+
+if [ $# -lt 1 ]; then
+    echo "usage: ring-a-party keyring [headerline]" >&2
+    exit 1
+fi
+
+keyring="$1"
+hdrline="$1"
+if [ $# -gt 1 ]; then
+    hdrline="$2"
+fi
+
+if [ ! -f $keyring ]; then
+    echo "ring-a-party: '$keyring': no such file" >&2
+    exit 1
+fi
+
+echo "ring-a-party: output will be written to 'a.pub'" >&2
+
+
+gpg --dry-run --with-fingerprint --with-colons $keyring \
+    | gawk -v "KEYRING=$hdrline" '
+BEGIN { FS=":"
+	algos[1] = "RSA";
+	algos[16] = "ElGamal";
+	algos[17] = "DSA";
+	any = 0;
+	lines = -1;
+	page = 0;
+	now = strftime("%b %d %H:%M %Y");
+      }
+$1 == "pub" {
+	      if( any ) myflush();
+	      uidcount = 0;
+	      signencrypt = 0;
+	      uids[uidcount++] = $10;
+	      nbits = $3;
+	      keyid = substr($5,9);
+	      created = $6;
+	      expires = $7;
+	      algostr = mapalgo($4);
+	      if( $4 == 20 || $4 == 1 ) signencrypt = 1;
+	      any = 1;
+	    }
+$1 == "fpr" { fpr = $10 }
+$1 == "uid" { uids[uidcount++] = $10 }
+$1 == "sub" { if( $4 != 17 && $4 != 3 )  signencrypt=1 }
+
+function myflush()
+{
+    # fixme: take lines to print here into account
+    if( lines > 50 || lines == -1 ) {
+	if( lines != -1 ) printf "\f";
+	page++;
+	printf "%s  %-50.50s Page %d\n\n", now, KEYRING, page ;
+	printf "Type Bits KeyID      Created    Expires    Algorithm                 Use\n";
+	lines = 1;
+    }
+    printf "pub  %04d 0x%s %10s %10s %-10s     %15s\n",
+	  nbits, keyid, created, expires == ""? "----------":expires, algostr,
+			signencrypt == 1? "Sign & Encrypt":"Sign only";
+    length(fpr) == 40 ? printfpr20( fpr ) : printfpr16( fpr );
+    lnes += 2;
+    for( i=0; i < uidcount; i++ ) {
+	printf "uid  %s\n", uids[i];
+	lines++;
+    }
+    printf "\n\n";
+    lines += 2;
+}
+
+function mapalgo( no )
+{
+    if( no in algos )
+	return algos[no];
+    return sprintf( "algoID=%ds", no );
+}
+
+
+function printfpr16( s )
+{
+    printf "f16    Fingerprint16 =";
+    for(i=0; i < 16; i++ ) {
+	if( i == 8 ) printf " ";
+	printf " %s", substr( s, i*2, 2 );
+    }
+    printf "\n"
+}
+
+function printfpr20( s )
+{
+    printf "f20    Fingerprint20 =";
+    for(i=0; i < 10; i++ ) {
+	if( i == 5 ) printf " ";
+	printf " %s", substr( s, i*4, 4 );
+    }
+    printf "\n"
+}
+
+' | tee a.pub | gpg --print-mds
+