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postgresql/contrib/pgcrypto/expected/pgp-decrypt.out
Noah Misch 85270ac7a2 pgcrypto: Report errant decryption as "Wrong key or corrupt data". 
This has been the predominant outcome.  When the output of decrypting
with a wrong key coincidentally resembled an OpenPGP packet header,
pgcrypto could instead report "Corrupt data", "Not text data" or
"Unsupported compression algorithm".  The distinct "Corrupt data"
message added no value.  The latter two error messages misled when the
decrypted payload also exhibited fundamental integrity problems.  Worse,
error message variance in other systems has enabled cryptologic attacks;
see RFC 4880 section "14. Security Considerations".  Whether these
pgcrypto behaviors are likewise exploitable is unknown.

In passing, document that pgcrypto does not resist side-channel attacks.
Back-patch to 9.0 (all supported versions).

Security: CVE-2015-3167
2015-05-18 10:02:31 -04:00

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--
-- pgp_descrypt tests
--
-- Checking ciphers
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.blowfish.sha1.mdc.s2k3.z0
jA0EBAMCfFNwxnvodX9g0jwB4n4s26/g5VmKzVab1bX1SmwY7gvgvlWdF3jKisvS
yA6Ce1QTMK3KdL2MPfamsTUSAML8huCJMwYQFfE=
=JcP+
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k3.z0
jA0EBwMCci97v0Q6Z0Zg0kQBsVf5Oe3iC+FBzUmuMV9KxmAyOMyjCc/5i8f1Eest
UTAsG35A1vYs02VARKzGz6xI2UHwFUirP+brPBg3Ee7muOx8pA==
=XtrP
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes192.sha1.mdc.s2k3.z0
jA0ECAMCI7YQpWqp3D1g0kQBCjB7GlX7+SQeXNleXeXQ78ZAPNliquGDq9u378zI
5FPTqAhIB2/2fjY8QEIs1ai00qphjX2NitxV/3Wn+6dufB4Q4g==
=rCZt
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes256.sha1.mdc.s2k3.z0
jA0ECQMC4f/5djqCC1Rg0kQBTHEPsD+Sw7biBsM2er3vKyGPAQkuTBGKC5ie7hT/
lceMfQdbAg6oTFyJpk/wH18GzRDphCofg0X8uLgkAKMrpcmgog==
=fB6S
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
-- Checking MDC modes
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.nomdc.s2k3.z0
jA0EBwMCnv07rlXqWctgyS2Dm2JfOKCRL4sLSLJUC8RS2cH7cIhKSuLitOtyquB+
u9YkgfJfsuRJmgQ9tmo=
=60ui
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k3.z0
jA0EBwMCEeP3idNjQ1Bg0kQBf4G0wX+2QNzLh2YNwYkQgQkfYhn/hLXjV4nK9nsE
8Ex1Dsdt5UPvOz8W8VKQRS6loOfOe+yyXil8W3IYFwUpdDUi+Q==
=moGf
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
-- Checking hashes
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.md5.mdc.s2k3.z0
jA0EBwMClrXXtOXetohg0kQBn0Kl1ymevQZRHkdoYRHgzCwSQEiss7zYff2UNzgO
KyRrHf7zEBuZiZ2AG34jNVMOLToj1jJUg5zTSdecUzQVCykWTA==
=NyLk
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k3.z0
jA0EBwMCApbdlrURoWJg0kQBzHM/E0o7djY82bNuspjxjAcPFrrtp0uvDdMQ4z2m
/PM8jhgI5vxFYfNQjLl8y3fHYIomk9YflN9K/Q13iq8A8sjeTw==
=FxbQ
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
-- Checking S2K modes
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k0.z0
jAQEBwAC0kQBKTaLAKE3xzps+QIZowqRNb2eAdzBw2LxEW2YD5PgNlbhJdGg+dvw
Ah9GXjGS1TVALzTImJbz1uHUZRfhJlFbc5yGQw==
=YvkV
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k1.z0
jAwEBwEC/QTByBLI3b/SRAHPxKzI6SZBo5lAEOD+EsvKQWO4adL9tDY+++Iqy1xK
4IaWXVKEj9R2Lr2xntWWMGZtcKtjD2lFFRXXd9dZp1ZThNDz
=dbXm
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k3.z0
jA0EBwMCEq4Su3ZqNEJg0kQB4QG5jBTKF0i04xtH+avzmLhstBNRxvV3nsmB3cwl
z+9ZaA/XdSx5ZiFnMym8P6r8uY9rLjjNptvvRHlxIReF+p9MNg==
=VJKg
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes192.sha1.mdc.s2k0.z0
jAQECAAC0kQBBDnQWkgsx9YFaqDfWmpsiyAJ6y2xG/sBvap1dySYEMuZ+wJTXQ9E
Cr3i2M7TgVZ0M4jp4QL0adG1lpN5iK7aQeOwMw==
=cg+i
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes192.sha1.mdc.s2k1.z0
jAwECAECruOfyNDFiTnSRAEVoGXm4A9UZKkWljdzjEO/iaE7mIraltIpQMkiqCh9
7h8uZ2u9uRBOv222fZodGvc6bvq/4R4hAa/6qSHtm8mdmvGt
=aHmC
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes192.sha1.mdc.s2k3.z0
jA0ECAMCjFn6SRi3SONg0kQBqtSHPaD0m7rXfDAhCWU/ypAsI93GuHGRyM99cvMv
q6eF6859ZVnli3BFSDSk3a4e/pXhglxmDYCfjAXkozKNYLo6yw==
=K0LS
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes256.sha1.mdc.s2k0.z0
jAQECQAC0kQB4L1eMbani07XF2ZYiXNK9LW3v8w41oUPl7dStmrJPQFwsdxmrDHu
rQr3WbdKdY9ufjOE5+mXI+EFkSPrF9rL9NCq6w==
=RGts
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes256.sha1.mdc.s2k1.z0
jAwECQECKHhrou7ZOIXSRAHWIVP+xjVQcjAVBTt+qh9SNzYe248xFTwozkwev3mO
+KVJW0qhk0An+Y2KF99/bYFl9cL5D3Tl43fC8fXGl3x3m7pR
=SUrU
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes256.sha1.mdc.s2k3.z0
jA0ECQMCjc8lwZu8Fz1g0kQBkEzjImi21liep5jj+3dAJ2aZFfUkohi8b3n9z+7+
4+NRzL7cMW2RLAFnJbiqXDlRHMwleeuLN1up2WIxsxtYYuaBjA==
=XZrG
-----END PGP MESSAGE-----
'), 'foobar');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
-- Checking longer passwords
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k3.z0
jA0EBwMCx6dBiuqrYNRg0kQBEo63AvA1SCslxP7ayanLf1H0/hlk2nONVhTwVEWi
tTGup1mMz6Cfh1uDRErUuXpx9A0gdMu7zX0o5XjrL7WGDAZdSw==
=XKKG
-----END PGP MESSAGE-----
'), '0123456789abcdefghij');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k3.z0
jA0EBwMCBDvYuS990iFg0kQBW31UK5OiCjWf5x6KJ8qNNT2HZWQCjCBZMU0XsOC6
CMxFKadf144H/vpoV9GA0f22keQgCl0EsTE4V4lweVOPTKCMJg==
=gWDh
-----END PGP MESSAGE-----
'), '0123456789abcdefghij2jk4h5g2j54khg23h54g2kh54g2khj54g23hj54');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k3.z0
jA0EBwMCqXbFafC+ofVg0kQBejyiPqH0QMERVGfmPOjtAxvyG5KDIJPYojTgVSDt
FwsDabdQUz5O7bgNSnxfmyw1OifGF+W2bIn/8W+0rDf8u3+O+Q==
=OxOF
-----END PGP MESSAGE-----
'), 'x');
pgp_sym_decrypt
-----------------
Secret message.
(1 row)
-- Checking various data
select encode(digest(pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat1.aes.sha1.mdc.s2k3.z0
jA0EBwMCGJ+SpuOysINg0kQBJfSjzsW0x4OVcAyr17O7FBvMTwIGeGcJd99oTQU8
Xtx3kDqnhUq9Z1fS3qPbi5iNP2A9NxOBxPWz2JzxhydANlgbxg==
=W/ik
-----END PGP MESSAGE-----
'), '0123456789abcdefghij'), 'sha1'), 'hex');
encode
------------------------------------------
0225e3ede6f2587b076d021a189ff60aad67e066
(1 row)
-- expected: 0225e3ede6f2587b076d021a189ff60aad67e066
select encode(digest(pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat2.aes.sha1.mdc.s2k3.z0
jA0EBwMCvdpDvidNzMxg0jUBvj8eS2+1t/9/zgemxvhtc0fvdKGGbjH7dleaTJRB
SaV9L04ky1qECNDx3XjnoKLC+H7IOQ==
=Fxen
-----END PGP MESSAGE-----
'), '0123456789abcdefghij'), 'sha1'), 'hex');
encode
------------------------------------------
da39a3ee5e6b4b0d3255bfef95601890afd80709
(1 row)
-- expected: da39a3ee5e6b4b0d3255bfef95601890afd80709
select encode(digest(pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: dat3.aes.sha1.mdc.s2k3.z0
jA0EBwMCxQvxJZ3G/HRg0lgBeYmTa7/uDAjPyFwSX4CYBgpZWVn/JS8JzILrcWF8
gFnkUKIE0PSaYFp+Yi1VlRfUtRQ/X/LYNGa7tWZS+4VQajz2Xtz4vUeAEiYFYPXk
73Hb8m1yRhQK
=ivrD
-----END PGP MESSAGE-----
'), '0123456789abcdefghij'), 'sha1'), 'hex');
encode
------------------------------------------
5e5c135efc0dd00633efc6dfd6e731ea408a5b4c
(1 row)
-- expected: 5e5c135efc0dd00633efc6dfd6e731ea408a5b4c
-- Checking CRLF
select encode(digest(pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: crlf mess
ww0ECQMCt7VAtby6l4Bi0lgB5KMIZiiF/b3CfMfUyY0eDncsGXtkbu1X+l9brjpMP8eJnY79Amms
a3nsOzKTXUfS9VyaXo8IrncM6n7fdaXpwba/3tNsAhJG4lDv1k4g9v8Ix2dfv6Rs
=mBP9
-----END PGP MESSAGE-----
'), 'key', 'convert-crlf=0'), 'sha1'), 'hex');
encode
------------------------------------------
9353062be7720f1446d30b9e75573a4833886784
(1 row)
-- expected: 9353062be7720f1446d30b9e75573a4833886784
select encode(digest(pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
Comment: crlf mess
ww0ECQMCt7VAtby6l4Bi0lgB5KMIZiiF/b3CfMfUyY0eDncsGXtkbu1X+l9brjpMP8eJnY79Amms
a3nsOzKTXUfS9VyaXo8IrncM6n7fdaXpwba/3tNsAhJG4lDv1k4g9v8Ix2dfv6Rs
=mBP9
-----END PGP MESSAGE-----
'), 'key', 'convert-crlf=1'), 'sha1'), 'hex');
encode
------------------------------------------
7efefcab38467f7484d6fa43dc86cf5281bd78e2
(1 row)
-- expected: 7efefcab38467f7484d6fa43dc86cf5281bd78e2
-- check BUG #11905, problem with messages 6 less than a power of 2.
select pgp_sym_decrypt(pgp_sym_encrypt(repeat('x',65530),'1'),'1') = repeat('x',65530);
?column?
----------
t
(1 row)
-- expected: true
-- Negative tests
-- Decryption with a certain incorrect key yields an apparent Literal Data
-- packet reporting its content to be binary data. Ciphertext source:
-- iterative pgp_sym_encrypt('secret', 'key') until the random prefix gave
-- rise to that property.
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
ww0EBwMCxf8PTrQBmJdl0jcB6y2joE7GSLKRv7trbNsF5Z8ou5NISLUg31llVH/S0B2wl4bvzZjV
VsxxqLSPzNLAeIspJk5G
=mSd/
-----END PGP MESSAGE-----
'), 'wrong-key', 'debug=1');
NOTICE: dbg: prefix_init: corrupt prefix
NOTICE: dbg: parse_literal_data: data type=b
NOTICE: dbg: mdcbuf_finish: bad MDC pkt hdr
ERROR: Wrong key or corrupt data
-- Routine text/binary mismatch.
select pgp_sym_decrypt(pgp_sym_encrypt_bytea('P', 'key'), 'key', 'debug=1');
NOTICE: dbg: parse_literal_data: data type=b
ERROR: Not text data
-- Decryption with a certain incorrect key yields an apparent BZip2-compressed
-- plaintext. Ciphertext source: iterative pgp_sym_encrypt('secret', 'key')
-- until the random prefix gave rise to that property.
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
ww0EBwMC9rK/dMkF5Zlt0jcBlzAQ1mQY2qYbKYbw8h3EZ5Jk0K2IiY92R82TRhWzBIF/8cmXDPtP
GXsd65oYJZp3Khz0qfyn
=Nmpq
-----END PGP MESSAGE-----
'), 'wrong-key', 'debug=1');
NOTICE: dbg: prefix_init: corrupt prefix
NOTICE: dbg: parse_compressed_data: bzip2 unsupported
NOTICE: dbg: mdcbuf_finish: bad MDC pkt hdr
ERROR: Wrong key or corrupt data
-- Routine use of BZip2 compression. Ciphertext source:
-- echo x | gpg --homedir /nonexistent --personal-compress-preferences bzip2 \
-- --personal-cipher-preferences aes --no-emit-version --batch \
-- --symmetric --passphrase key --armor
select pgp_sym_decrypt(dearmor('
-----BEGIN PGP MESSAGE-----
jA0EBwMCRhFrAKNcLVJg0mMBLJG1cCASNk/x/3dt1zJ+2eo7jHfjgg3N6wpB3XIe
QCwkWJwlBG5pzbO5gu7xuPQN+TbPJ7aQ2sLx3bAHhtYb0i3vV9RO10Gw++yUyd4R
UCAAw2JRIISttRHMfDpDuZJpvYo=
=AZ9M
-----END PGP MESSAGE-----
'), 'key', 'debug=1');
NOTICE: dbg: parse_compressed_data: bzip2 unsupported
ERROR: Unsupported compression algorithm
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