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bf723a274c
Previously, gen_random_uuid() would fall back to a weak random number generator, unlike gen_random_bytes() which would just fail. And this was not made very clear in the docs. For consistency, also make gen_random_uuid() fail outright, if compiled with --disable-strong-random. Re-word the error message you get with --disable-strong-random. It is also used by pgp functions that require random salts, and now also gen_random_uuid(). Reported by Radek Slupik. Discussion: https://www.postgresql.org/message-id/20170101232054.10135.50528@wrigleys.postgresql.org
43 lines
1.6 KiB
Plaintext
43 lines
1.6 KiB
Plaintext
--
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-- PGP compression support
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--
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select pgp_sym_decrypt(dearmor('
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-----BEGIN PGP MESSAGE-----
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ww0ECQMCsci6AdHnELlh0kQB4jFcVwHMJg0Bulop7m3Mi36s15TAhBo0AnzIrRFrdLVCkKohsS6+
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DMcmR53SXfLoDJOv/M8uKj3QSq7oWNIp95pxfA==
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=tbSn
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-----END PGP MESSAGE-----
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'), 'key', 'expect-compress-algo=1');
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pgp_sym_decrypt
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-----------------
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Secret message
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(1 row)
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select pgp_sym_decrypt(
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pgp_sym_encrypt('Secret message', 'key', 'compress-algo=0'),
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'key', 'expect-compress-algo=0');
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ERROR: generating random data is not supported by this build
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DETAIL: This functionality requires a source of strong random numbers
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HINT: You need to rebuild PostgreSQL using --enable-strong-random
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select pgp_sym_decrypt(
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pgp_sym_encrypt('Secret message', 'key', 'compress-algo=1'),
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'key', 'expect-compress-algo=1');
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ERROR: generating random data is not supported by this build
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DETAIL: This functionality requires a source of strong random numbers
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HINT: You need to rebuild PostgreSQL using --enable-strong-random
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select pgp_sym_decrypt(
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pgp_sym_encrypt('Secret message', 'key', 'compress-algo=2'),
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'key', 'expect-compress-algo=2');
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ERROR: generating random data is not supported by this build
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DETAIL: This functionality requires a source of strong random numbers
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HINT: You need to rebuild PostgreSQL using --enable-strong-random
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-- level=0 should turn compression off
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select pgp_sym_decrypt(
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pgp_sym_encrypt('Secret message', 'key',
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'compress-algo=2, compress-level=0'),
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'key', 'expect-compress-algo=0');
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ERROR: generating random data is not supported by this build
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DETAIL: This functionality requires a source of strong random numbers
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HINT: You need to rebuild PostgreSQL using --enable-strong-random
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