generate test-date in a backwards compatible way

older openssl versions do not support -nosalt (but also do not
complain about it). So we pre-generate key/iv for all the existing
textual keys (equalling the file size) on a new openssl and
use those.

src/vtc/data/gen.sh

@@ -4,27 +4,60 @@ set -eux
 
 cd $(dirname $0)
 
-typeset -air sz=(
+# size key iv
+typeset -ar sz=(
     11
+    4FC82B26AECB47D2868C4EFBE3581732
+    A3E7CBCC6C2EFB32062C08170A05EEB8
+
     83
+    BBB965AB0C80D6538CF2184BABAD2A56
+    4A010376712012BD07B0AF92DCD3097D
+
     241
+    749FC650CACB0F06547520D53C31505C
+    8156E0A3BE07073EDDB2EF3AD9E383BA
+
     512
+    94F8607915DFF25F013E45FC0642FB98
+    30B0FB25AB0AB46D477EAF1061DEF379
+
     617
+    85EA151B8C5B5AB0D3349100E441BD4B
+    8DC20740D429C16C3B85B77066386E75
+
     1283
+    C47AFFB712A521D4FDD0D9AF6CB0E4D4
+    55EB9A241716A6456C4F093480F56DF0
+
     2003
+    77459B9B941BCB4714D0C121313C900E
+    CF30541D158EB2B9B178CDB8ECA6457E
+
     2048
+    BFA0EC8BDF2946547879D50A68687EA3
+    2E2FA628DB187357415858B633D194D9
+
     7919
+    A8054EF7FC192135DD8DC07D4D9832C9
+    FA9BD39D01BA383E29E378F5CC72CACD
+
     8192
+    864A936A35324151E1C79C44A2E903FF
+    2497F52FA892282D340585F493C637F0
 )
 
-for i in ${sz[@]} ; do
-    blk=$(((i + 16) & ~15))
+for ((a = 0; a < ${#sz[@]}; a+=3)) ; do
+    typeset -i i=${sz[${a}]}
+    typeset key=${sz[a+1]}
+    typeset iv=${sz[a+2]}
+    typeset blk=$(((i + 16) & ~15))
 
     if [[ -f ${i} ]] ; then
 	touch ${i}
     else
 	dd if=/dev/zero iflag=fullblock bs=${blk} count=1 | \
-	    openssl aes-128-cbc -k $i -nosalt -nopad | \
+	    openssl aes-128-cbc -K ${key} -iv ${iv} -nopad | \
 	    dd iflag=fullblock of=${i} bs=${i} count=1
     fi