[tor-commits] [obfsproxy/master] Merge remote-tracking branch 'asn/shared_secret'

[nickm@xxxxxxxxxxxxxx]

commit 9ef190a4d70cd44053dde4d19d5579a609ced091
Merge: 8ac51f3 ad09a51
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Sat May 28 21:34:22 2011 -0400

    Merge remote-tracking branch 'asn/shared_secret'
    
    Conflicts:
    	doc/protocol-spec.txt

 doc/protocol-spec.txt       |   12 ++++--
 src/main.c                  |   38 ++++++++++-------
 src/network.c               |   43 +++++++++++--------
 src/protocol.c              |    6 +-
 src/protocol.h              |   59 ++++++++++++++++++--------
 src/protocols/dummy.c       |    6 +-
 src/protocols/dummy.h       |    3 +-
 src/protocols/obfs2.c       |   94 +++++++++++++++++++++++++++++++----------
 src/protocols/obfs2.h       |    9 ++--
 src/protocols/obfs2_crypt.c |    4 +-
 src/protocols/obfs2_crypt.h |    2 +
 src/test/unittest_obfs2.c   |   97 +++++++++++++++++++++++++++++++++++++-----
 12 files changed, 272 insertions(+), 101 deletions(-)

diff --cc doc/protocol-spec.txt
index 471f2c0,798da14..c11f653
--- a/doc/protocol-spec.txt
+++ b/doc/protocol-spec.txt
@@@ -16,13 -16,15 +16,15 @@@ The Twobfuscato
  
  1. Primitives, notation, and constants.
  
 -    H(x) is SHA256 of X
 +    H(x) is SHA256 of x.
+     H^n(x) is H(x) called iteratively n times. 
+ 
 -    E_K(s) is the AES-counter-mode encryption of s using the key K.
 +    E_K(s) is the AES-CTR-128 encryption of s using K as key.
  
 -    x | y is the concatenation of x and y
 -    UINT32(n) is the 4 byte value of n in big-endian (network) order
 -    SR(n) is n bytes of strong random data
 -    WR(n) is n bytes of weaker random data
 +    x | y is the concatenation of x and y.
 +    UINT32(n) is the 4 byte value of n in big-endian (network) order.
 +    SR(n) is n bytes of strong random data.
 +    WR(n) is n bytes of weaker random data.
      "xyz" is the ASCII characters 'x', 'y', and 'z', not NUL-terminated.
      s[:n] is the first n bytes of s.
      s[n:] is the last n bytes of s.

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