gpg: Use the matching key if the search description is exact.

* g10/gpg.c (check_user_ids): If the search description is for an
exact match (a keyid or fingerprint that ends in '!'), then use the
matching key, not the primary key.
* tests/openpgp/Makefile.am (TESTS): Add use-exact-key.test.
(priv_keys): Add privkeys/00FE67F28A52A8AA08FFAED20AF832DA916D1985.asc,
privkeys/1DF48228FEFF3EC2481B106E0ACA8C465C662CC5.asc,
privkeys/A2832820DC9F40751BDCD375BB0945BA33EC6B4C.asc,
privkeys/ADE710D74409777B7729A7653373D820F67892E0.asc and
privkeys/CEFC51AF91F68A2904FBFF62C4F075A4785B803F.asc.
(sample_keys): Add
samplekeys/E657FB607BB4F21C90BB6651BC067AF28BC90111.asc.
* tests/openpgp/privkeys/00FE67F28A52A8AA08FFAED20AF832DA916D1985.asc:
New file.
* tests/openpgp/privkeys/1DF48228FEFF3EC2481B106E0ACA8C465C662CC5.asc:
New file.
* tests/openpgp/privkeys/A2832820DC9F40751BDCD375BB0945BA33EC6B4C.asc:
New file.
* tests/openpgp/privkeys/ADE710D74409777B7729A7653373D820F67892E0.asc:
New file.
* tests/openpgp/privkeys/CEFC51AF91F68A2904FBFF62C4F075A4785B803F.asc:
New file.
* tests/openpgp/samplekeys/E657FB607BB4F21C90BB6651BC067AF28BC90111.asc:
New file.
* tests/openpgp/use-exact-key.test: New file.
* tests/openpgp/version.test: Install the new private keys.

--
Signed-off-by: Neal H. Walfield <[email protected]>
Reported-by: Reported-by: Kristian Fiskerstrand
  <[email protected]>
Fixes-commit: 10cca02

2 files changed, 46 insertions, 0 deletions

diff --git a/tests/openpgp/samplekeys/E657FB607BB4F21C90BB6651BC067AF28BC90111.asc b/tests/openpgp/samplekeys/E657FB607BB4F21C90BB6651BC067AF28BC90111.asc
new file mode 100644
index 000000000..a4772d467
--- /dev/null
+++ b/tests/openpgp/samplekeys/E657FB607BB4F21C90BB6651BC067AF28BC90111.asc
@@ -0,0 +1,45 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v2
+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+/7EsPC+PTEccCPyUQSE5Ksisa+rjLH/6dQARAQABiJ8EGAEIAAkFAlZfWcgCGwwA
+CgkQvAZ68ovJARH0kQP+IMq61Zg+kBU6eL9eKZErcMtMWuddi1KCi8gAe8V7ZmcU
+8sIjKcKewDBgxmYz5siZzf993f4D0aqC/2XrNLnkuQ2P6XzpKZI2CKZXpbJH2eB0
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+v3/193uDNhkEAIdnkbx6fKxEG6SX/GS/tBRFvvICDt9yGOJd+jmMPZoUODfd0Gkl
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+eiox8PInDVhwms8Enz03wg74tCSIpXZHzasAcwpjQ0Z/vl/K7wHgwhCfwbX3IH4J
+g0xJUiTnftweF8J5rZwVueCpUeNjy6G7ABEBAAGInwQYAQgACQUCVl9blQIbDAAK
+CRC8Bnryi8kBESPWA/4gTmke4A3gieDvSRWCzQ5IFkr7B+4niPy6Qitlwmvy7Wdr
+xNSlZJpSN1UBBurIH4wcPV7nlKMuv60eb00llaBSH1HgAfcbyv35EC39Cgz5Ffaf
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+R+w+gIhZLZdUqVE3Mz8QcbzzZSeI6D5k5vmoX4Psy/uKVburSITNCwARAQABiQE9
+BBgBCAAJBQJWX26cAhsCAKgJELwGevKLyQERnSAEGQEIAAYFAlZfbpwACgkQvKQ8
+RB6pdHlhowQA2zOO2inuV/Z4Hl5PCDljiChFrKlddXkkdD7vXbdRh2XrQXMttmWW
+9a2NoeYsI4GyRb0T9fT0c7hDgY1NY3k+UHB+ex33xH7X6YADW8mY01q2zJqec9IY
+P2eBAHZrHImlBGStWX+VVHGtZwsDvR/gxkZkYnN1GFPN2ll0z81O0CjjWAP/delj
+0OY6Vc00SxfKJPb1ralpLIEMgRJWOayISHt6J4L1EGVVFs3gs9dqBQQ++65Iw55L
+m4+nieZzExTvSvYVBRbdWBgIJ1mFElHEy2KfeWzMA88pTMBssmH3xIGlkub/guWc
+OZSqAC5pVGPYCcXie7mx1k+5DrnQUgaf11zdvzI=
+=Htgs
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/tests/openpgp/samplekeys/README b/tests/openpgp/samplekeys/README
index 0d9490a88..20d9f5137 100644
--- a/tests/openpgp/samplekeys/README
+++ b/tests/openpgp/samplekeys/README
@@ -13,3 +13,4 @@ dda252ebb8ebe1af-2.asc rsa4096 key 2 with a long keyid collision.
 whats-new-in-2.1.asc   Collection of sample keys.
 e2e-p256-1-clr.asc     Google End-end-End test key (no protection)
 e2e-p256-1-prt.asc     Ditto, but protected with passphrase "a".
+E657FB607BB4F21C90BB6651BC067AF28BC90111.asc Key with subkeys (no protection)