http://hg.viff.dk/viff/rev/6b80efc3bfc5
changeset: 1139:6b80efc3bfc5
user: Marcel Keller <[email protected]>
date: Wed Feb 18 20:13:57 2009 +0100
summary: Encrypting several blocks in parallel possible in AES example
application.
diffstat:
1 file changed, 9 insertions(+), 2 deletions(-)
apps/aes.py | 11 +++++++++--
diffs (28 lines):
diff -r cecc7b3c6eb0 -r 6b80efc3bfc5 apps/aes.py
--- a/apps/aes.py Wed Feb 18 14:32:24 2009 +0100
+++ b/apps/aes.py Wed Feb 18 20:13:57 2009 +0100
@@ -48,6 +48,9 @@
parser.set_defaults(exponentiation=1)
parser.add_option("-o", "--at-once", action="store_true",help="Prepare "
"the whole computation at once instead of round-wise.")
+parser.add_option("-c", "--count", action="store", type="int",
+ help="Number of blocks to encrypt. Defaults to 1.")
+parser.set_defaults(count=1)
# Add standard VIFF options.
Runtime.add_options(parser)
@@ -64,8 +67,12 @@
print "Started at %f." % start
aes = AES(rt, 192, use_exponentiation=options.exponentiation)
- ciphertext = aes.encrypt("a" * 16, key, True,
- prepare_at_once=options.at_once)
+
+ ciphertext = []
+
+ for i in range(options.count):
+ ciphertext += aes.encrypt("a" * 16, key, True,
+ prepare_at_once=options.at_once)
opened_ciphertext = [rt.open(c) for c in ciphertext]
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