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git/gpg-interface.h

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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>
2011-09-08 06:19:47 +02:00
#ifndef GPG_INTERFACE_H
#define GPG_INTERFACE_H
Move commit GPG signature verification to commit.c Signed-off-by: Sebastian Götte <jaseg@physik-pool.tu-berlin.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-31 18:00:14 +02:00
struct signature_check {
char *gpg_output;
char *gpg_status;
char result; /* 0 (not checked),
* N (checked but no further result),
merge/pull Check for untrusted good GPG signatures When --verify-signatures is specified, abort the merge in case a good GPG signature from an untrusted key is encountered. Signed-off-by: Sebastian Götte <jaseg@physik-pool.tu-berlin.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-31 18:02:46 +02:00
* U (untrusted good),
Move commit GPG signature verification to commit.c Signed-off-by: Sebastian Götte <jaseg@physik-pool.tu-berlin.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-31 18:00:14 +02:00
* G (good)
* B (bad) */
char *signer;
char *key;
};
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>
2011-09-08 06:19:47 +02:00
extern int sign_buffer(struct strbuf *buffer, struct strbuf *signature, const char *signing_key);
gpg_interface: allow to request status return Currently, verify_signed_buffer() returns the user facing output only. Allow callers to request the status output also. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-14 17:04:44 +01:00
extern int verify_signed_buffer(const char *payload, size_t payload_size, const char *signature, size_t signature_size, struct strbuf *gpg_output, struct strbuf *gpg_status);
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>
2011-09-08 06:19:47 +02:00
extern int git_gpg_config(const char *, const char *, void *);
extern void set_signing_key(const char *);
extern const char *get_signing_key(void);
#endif
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