[gnutls-devel] GnuTLS | AEAD output difference on Mac (#1494)

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Thu Jul 20 08:07:45 CEST 2023




Daiki Ueno commented: https://gitlab.com/gnutls/gnutls/-/issues/1494#note_1478809888

OK, I tried that by myself and could reproduce the original issue even on x86_64:

```console
$ gcc main.c `pkg-config --cflags --libs gnutls`
$ ./a.out
a5 34 86 3b 44 92 1f 3f 5f a5 fc 32 8f 67 41 45 b2 66 89 6d 1c 28 85 c0 d9 34 f8 ab 4c 9d 85 54 74 13 
OK
$ GNUTLS_CPUID_OVERRIDE=0x1 ./a.out
49 e3 82 8a 81 59 cb 8f d9 6 ad 6a 95 8d 1d fd 98 fc 31 4f 5d d4 c5 76 a6 81 d5 ca cb 7f 8a 75 80 61
```

So the issue is in our plumbing around Nettle.

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