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Author	SHA1	Message	Date
Junio C Hamano	e3f55e0707	verify_signed_buffer: fix stale comment The function used to take an integer flag to specify where the output should go, but these days we supply a strbuf to receive it. Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Junio C Hamano	0c5e70f041	gpg-interface: allow use of a custom GPG binary Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Junio C Hamano	2f47eae2a1	Split GPG interface into its own helper library This mostly moves existing code from builtin/tag.c (for signing) and builtin/verify-tag.c (for verifying) to a new gpg-interface.c file to provide a more generic library interface. - sign_buffer() takes a payload strbuf, a signature strbuf, and a signing key, runs "gpg" to produce a detached signature for the payload, and appends it to the signature strbuf. The contents of a signed tag that concatenates the payload and the detached signature can be produced by giving the same strbuf as payload and signature strbuf. - verify_signed_buffer() takes a payload and a detached signature as <ptr, len> pairs, and runs "gpg --verify" to see if the payload matches the signature. It can optionally capture the output from GPG to allow the callers to pretty-print it in a way more suitable for their contexts. "verify-tag" (aka "tag -v") used to save the whole tag contents as if it is a detached signature, and fed gpg the payload part of the tag. It relied on gpg to fail when the given tag is not signed but just is annotated. The updated run_gpg_verify() function detects the lack of detached signature in the input, and errors out without bothering "gpg". Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago

Author

SHA1

Message

Date

Junio C Hamano

e3f55e0707

verify_signed_buffer: fix stale comment

The function used to take an integer flag to specify where the output
should go, but these days we supply a strbuf to receive it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

13 years ago

Junio C Hamano

0c5e70f041

gpg-interface: allow use of a custom GPG binary

Signed-off-by: Junio C Hamano <gitster@pobox.com>

13 years ago

Junio C Hamano

2f47eae2a1

Split GPG interface into its own helper library

This mostly moves existing code from builtin/tag.c (for signing)
and builtin/verify-tag.c (for verifying) to a new gpg-interface.c
file to provide a more generic library interface.

 - sign_buffer() takes a payload strbuf, a signature strbuf, and a signing
   key, runs "gpg" to produce a detached signature for the payload, and
   appends it to the signature strbuf. The contents of a signed tag that
   concatenates the payload and the detached signature can be produced by
   giving the same strbuf as payload and signature strbuf.

 - verify_signed_buffer() takes a payload and a detached signature as
   <ptr, len> pairs, and runs "gpg --verify" to see if the payload matches
   the signature. It can optionally capture the output from GPG to allow
   the callers to pretty-print it in a way more suitable for their
   contexts.

"verify-tag" (aka "tag -v") used to save the whole tag contents as if it
is a detached signature, and fed gpg the payload part of the tag. It
relied on gpg to fail when the given tag is not signed but just is
annotated.  The updated run_gpg_verify() function detects the lack of
detached signature in the input, and errors out without bothering "gpg".

Signed-off-by: Junio C Hamano <gitster@pobox.com>

13 years ago

3 Commits (11b17afc933446c3afdbed72afaa440348f2b0ff)