From: Adam Majer <amajer@suse.de>
To: notmuch@notmuchmail.org
Subject: Release signatures
Date: Wed, 6 Feb 2019 11:48:00 +0100 [thread overview]
Message-ID: <b3fd556d-c346-7af9-a7a2-13b0f3235071@suse.de> (raw)
Hello,
The releases are signed in a funny way. The .asc file are not detached
signatures of the checksum, but actually contain it inside the .asc file.
# gpg -v --verify notmuch-0.28.1.tar.gz.sha256.asc
...
gpg: binary signature, digest algorithm SHA256, key algorithm rsa3072
gpg: WARNING: not a detached signature; file
'notmuch-0.28.1.tar.gz.sha256' was NOT verified!
A much better way of signing this would have been as a detached
signature of the tarball itself. Why sign a hash of a hash? ;)
# gpg --detach --sign notmuch-0.28.1.tar.gz
-> notmuch-0.28.1.tar.gz.sig
Then you can verify this is a properly signed binary,
# gpg -v --verify notmuch-0.28.1.tar.gz.sig
gpg: assuming signed data in 'notmuch-0.28.1.tar.gz'
gpg: Signature made Wed 06 Feb 2019 11:37:19 AM CET
gpg: using RSA key 4BE7C1D3CC65813AF349D42F864508B01B2679CF
gpg: using subkey 864508B01B2679CF instead of primary key E523F220AC8DFBD0
...
gpg: binary signature, digest algorithm SHA512, key algorithm rsa3904
The digest algorithm is from the key preferences, which you can change.
You can also specify it as --digest-algo option, if you prefer.
Best regards,
- Adam
PS. I'm not on the list. Please cc me if you would like any response ;)
next reply other threads:[~2019-02-06 11:03 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-06 10:48 Adam Majer [this message]
2019-02-10 13:51 ` Release signatures David Bremner
2019-02-11 23:37 ` Carl Worth
2019-02-13 2:17 ` [PATCH] build: sign tarball instead of sha256sum David Bremner
2019-03-12 10:55 ` David Bremner
2019-03-14 22:51 ` Daniel Kahn Gillmor
2019-03-15 1:49 ` David Bremner
2019-03-15 8:48 ` Daniel Kahn Gillmor
2019-03-15 1:53 ` Adam Majer
2019-03-15 8:58 ` Daniel Kahn Gillmor
2019-03-15 10:49 ` David Bremner
2019-03-15 13:47 ` Daniel Kahn Gillmor
2019-03-15 13:56 ` David Bremner
2019-03-15 14:50 ` Daniel Kahn Gillmor
2019-03-15 14:30 ` Adam Majer
2019-03-15 16:48 ` Daniel Kahn Gillmor
2019-03-23 11:21 ` [PATCH] build: distribute signed sha256sums Daniel Kahn Gillmor
2019-03-23 12:35 ` [PATCH v2 1/3] build: ensure that SHA256_FILE is built Daniel Kahn Gillmor
2019-03-23 12:35 ` [PATCH v2 2/3] build: distribute signed sha256sums Daniel Kahn Gillmor
2019-03-23 12:35 ` [PATCH v2 3/3] build: Rename GPG_FILE to DETACHED_SIG_FILE Daniel Kahn Gillmor
2019-03-27 21:02 ` [PATCH v2 1/3] build: ensure that SHA256_FILE is built David Bremner
2019-03-15 11:35 ` [PATCH] build: sign tarball instead of sha256sum Adam Majer
2019-03-15 13:37 ` Daniel Kahn Gillmor
2019-03-15 14:18 ` Adam Majer
2019-03-15 13:50 ` David Bremner
2019-03-15 15:35 ` Daniel Kahn Gillmor
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