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Reimplement ARC2

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ARC2 is only interesting for historical reasons, and it should
not be used for new designs. The current implementation trips PyPy4
which may indicate a bug: a cleaner rewriting based on RFC2268
is the quickest solution.
This commit is contained in:
Legrandin 2015-11-28 21:31:40 +01:00
parent e91963af09
commit 6e41d35fb3
2 changed files with 170 additions and 196 deletions
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5
lib/Crypto/Cipher/ARC2.py
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@ -100,8 +100,9 @@ def _create_base_cipher(dict_parameters):
if len(key) not in key_size:
raise ValueError("Incorrect ARC2 key length (%d bytes)" % len(key))
if not (0 <= effective_keylen <= 1024):
raise ValueError("'effective_key_len' must be positive and no larger than 1024")
if not (0 < effective_keylen <= 1024):
raise ValueError("'effective_key_len' must be no larger than 1024 "
"(not %d)" % effective_keylen)
start_operation = _raw_arc2_lib.ARC2_start_operation
stop_operation = _raw_arc2_lib.ARC2_stop_operation