python-crypto: fixed endianness detection
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>
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@ -37,7 +37,10 @@ and various encryption algorithms (AES, DES, IDEA, RSA, ElGamal, etc.).
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endef
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define Build/Compile
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$(call Build/Compile/PyMod,,install --prefix=/usr --root=$(PKG_INSTALL_DIR))
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$(call Build/Compile/PyMod,,\
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install --prefix=/usr --root=$(PKG_INSTALL_DIR),\
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CONFIG_BIG_ENDIAN="$(CONFIG_BIG_ENDIAN)" \
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)
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endef
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define Package/python-crypto/install
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@ -0,0 +1,15 @@
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--- a/setup.py 2015-10-30 23:30:22.334127083 +0800
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+++ b/setup.py 2015-10-30 23:33:03.856098660 +0800
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@@ -100,6 +100,12 @@
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w(kwd.get("end", "\n"))
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def endianness_macro():
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+ if "CONFIG_BIG_ENDIAN" in os.environ:
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+ if os.environ["CONFIG_BIG_ENDIAN"] == "y":
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+ return ('PCT_BIG_ENDIAN', 1)
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+ else:
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+ return ('PCT_LITTLE_ENDIAN', 1)
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+ raise AssertionError("CONFIG_BIG_ENDIAN environment variable missing")
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s = struct.pack("@I", 0x33221100)
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if s == "\x00\x11\x22\x33".encode(): # little endian
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return ('PCT_LITTLE_ENDIAN', 1)
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