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python-crypto: fixed endianness detection

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This fixes setup.py so that it uses the endianness of the target system
instead of detecting endianness from the host. This affects the
computation of RIPEMD-160 hashes.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
This commit is contained in:
Jeffery To
2015-10-30 23:48:52 +08:00
parent 5354cf5159
commit 35ae47a44c
2 changed files with 19 additions and 1 deletions
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15
lang/python-crypto/patches/002-fix-endianness-detect.patch Normal file
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@@ -0,0 +1,15 @@
--- a/setup.py 2015-10-30 23:30:22.334127083 +0800
+++ b/setup.py 2015-10-30 23:33:03.856098660 +0800
@@ -100,6 +100,12 @@
w(kwd.get("end", "\n"))
def endianness_macro():
+ if "CONFIG_BIG_ENDIAN" in os.environ:
+ if os.environ["CONFIG_BIG_ENDIAN"] == "y":
+ return ('PCT_BIG_ENDIAN', 1)
+ else:
+ return ('PCT_LITTLE_ENDIAN', 1)
+ raise AssertionError("CONFIG_BIG_ENDIAN environment variable missing")
s = struct.pack("@I", 0x33221100)
if s == "\x00\x11\x22\x33".encode(): # little endian
return ('PCT_LITTLE_ENDIAN', 1)