http://hg.viff.dk/viff/rev/e5bb773fb1fe
changeset: 1095:e5bb773fb1fe
user: Marcel Keller <[email protected]>
date: Fri Jan 30 12:33:30 2009 +0100
summary: Integrated and improved documentation of the AES module.
diffstat:
3 files changed, 20 insertions(+), 1 deletion(-)
doc/aes.txt | 6 ++++++
doc/implementation.txt | 1 +
viff/aes.py | 14 +++++++++++++-
diffs (49 lines):
diff -r bdab6f30511a -r e5bb773fb1fe doc/aes.txt
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/aes.txt Fri Jan 30 12:33:30 2009 +0100
@@ -0,0 +1,6 @@
+
+AES Module
+==========
+
+.. automodule:: viff.aes
+ :members:
diff -r bdab6f30511a -r e5bb773fb1fe doc/implementation.txt
--- a/doc/implementation.txt Thu Jan 29 16:19:49 2009 +0100
+++ b/doc/implementation.txt Fri Jan 30 12:33:30 2009 +0100
@@ -18,3 +18,4 @@
comparison
prss
config
+ aes
diff -r bdab6f30511a -r e5bb773fb1fe viff/aes.py
--- a/viff/aes.py Thu Jan 29 16:19:49 2009 +0100
+++ b/viff/aes.py Fri Jan 30 12:33:30 2009 +0100
@@ -58,6 +58,18 @@
class AES:
+ """AES instantiation:
+
+ >>> aes = AES(runtime, 192)
+ >>> cleartext = [Share(runtime, GF256, GF256(0)) for i in range(128/8)]
+ >>> key = [runtime.prss_share_random(GF256) for i in range(192/8)]
+ >>> ciphertext = aes.encrypt("abcdefghijklmnop", key)
+ >>> ciphertext = aes.encrypt(cleartext, "keykeykeykeykeykeykeykey")
+ >>> ciphertext = aes.encrypt(cleartext, key)
+
+ In every case *ciphertext* will be a list of shares over GF256.
+ """
+
def __init__(self, runtime, key_size, block_size=128,
use_exponentiation=False):
"""Initialize Rijndael.
@@ -158,7 +170,7 @@
[bits[j] * 2**j for j in range(len(bits))])
def shift_row(self, state):
- """AES ShiftRow.
+ """Rijndael ShiftRow.
State should be a list of 4 rows."""
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