Jayden/hdcp-genkey
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and replace reduce() with sum

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This commit is contained in:
Rich Wareham
2010-09-21 14:25:10 +01:00
parent cdaa1db667
commit 2274792ed0
1 changed files with 2 additions and 4 deletions
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6
generate_key.py
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@@ -111,12 +111,10 @@ def do_test(key_matrix):
output_human_readable(snk_ksv, snk_key, True)
# add sink keys together according to src ksv
key1 = reduce(lambda x, y: (x+y) & 0xffffffffffffff,
( x[1] for x in zip(range(40), snk_key) if src_ksv & (1<<x[0]) ))
key1 = sum( x[1] for x in zip(range(40), snk_key) if src_ksv & (1<<x[0]) ) & 0xffffffffffffff
# add source keys together according to sink ksv
key2 = reduce(lambda x, y: (x+y) & 0xffffffffffffff,
( x[1] for x in zip(range(40), src_key) if snk_ksv & (1<<x[0]) ))
key2 = sum( x[1] for x in zip(range(40), src_key) if snk_ksv & (1<<x[0]) ) & 0xffffffffffffff
print('\nGenerated keys: sink = %014x, source = %014x' % (key1, key2))