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To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: Re: Is there a pre-made python312-cryptography module?
Thread-Topic: Is there a pre-made python312-cryptography module?
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Date: Mon, 31 Mar 2025 12:35:11 +0000
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From: "Mercurio, Steven W-CTR \(FAA\) via Cygwin" <cygwin AT cygwin DOT com>
Reply-To: "Mercurio, Steven W-CTR \(FAA\)" <Steven DOT W-CTR DOT Mercurio AT faa DOT gov>
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That does not help.  Looks like that is too old.

      running build_ext
      generating cffi module 'build/temp.cygwin-3.6.0-x86_64-cpython-312/_padding.c'
      creating build/temp.cygwin-3.6.0-x86_64-cpython-312
      generating cffi module 'build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c'
      building '_openssl' extension
      creating build/temp.cygwin-3.6.0-x86_64-cpython-312/build/temp.cygwin-3.6.0-x86_64-cpython-312
      gcc -fno-strict-overflow -Wsign-compare -DNDEBUG -g -O3 -Wall -I/usr/include/python3.12 -c build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c -o build/temp.cygwin-3.6.0-x86_64-cpython-312/build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.o -Wconversion -Wno-error=sign-conversion
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c: In function ‘Cryptography_pem_password_cb’:
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c:2390:37: warning: conversion to ‘size_t’ {aka ‘long unsigned int’} from ‘int’ may change the sign of the result [-Wsign-conversion]
       2390 |         memcpy(buf, st->password, st->length);
            |                                   ~~^~~~~~~~
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c: In function ‘_cffi_d_BIO_s_datagram’:
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c:10329:10: warning: return discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
      10329 |   return BIO_s_datagram();
            |          ^~~~~~~~~~~~~~~~
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c: In function ‘_cffi_f_BIO_s_datagram’:
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c:10340:12: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
      10340 |   { result = BIO_s_datagram(); }
            |            ^
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c: In function ‘_cffi_d_BIO_s_mem’:
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c:10355:10: warning: return discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
      10355 |   return BIO_s_mem();
            |          ^~~~~~~~~~~
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c: In function ‘_cffi_f_BIO_s_mem’:
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c:10366:12: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
      10366 |   { result = BIO_s_mem(); }
            |            ^
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c: In function ‘_cffi_d_ERR_GET_FUNC’:
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c:18785:10: warning: implicit declaration of function ‘ERR_GET_FUNC’; did you mean ‘ERR_GET_LIB’? [-Wimplicit-function-declaration]
      18785 |   return ERR_GET_FUNC(x0);
            |          ^~~~~~~~~~~~
            |          ERR_GET_LIB
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c: In function ‘_cffi_d_FIPS_mode’:
      build/temp.cygwin-3.6.0-x86_64-cpython-312/_openssl.c:23538:10: warning: implicit declaration of function ‘FIPS_mode’ [-Wimplicit-function-declaration]
      23538 |   return FIPS_mode();
 

________________________________________
From: Michael Cook <michael AT waxrat DOT com>
Sent: Saturday, March 29, 2025 7:18 AM
To: Mercurio, Steven W-CTR (FAA)
Cc: cygwin AT cygwin DOT com
Subject: Re: Is there a pre-made python312-cryptography module?

CAUTION: This email originated from outside of the Federal Aviation Administration (FAA). Do not click on links or open attachments unless you recognize the sender and know the content is safe.


You can try this:

CRYPTOGRAPHY_DONT_BUILD_RUST=1 python -m pip install cryptography==3.4.3

to install an older version of cryptography before it required Rust.
Though the last time I tried that was probably a couple years ago.

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