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git/gpg-interface.h
Jeff King e6fa6cde5b gpg-interface: use size_t for signature buffer size
Even though our object sizes (from which these buffers would
come) are typically "unsigned long", this is something we'd
like to eventually fix (since it's only 32-bits even on
64-bit Windows). It makes more sense to use size_t when
taking an in-memory buffer.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Ben Toews <mastahyeti@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-04-16 14:15:03 +09:00

65 lines
1.8 KiB
C

#ifndef GPG_INTERFACE_H
#define GPG_INTERFACE_H
#define GPG_VERIFY_VERBOSE 1
#define GPG_VERIFY_RAW 2
#define GPG_VERIFY_OMIT_STATUS 4
struct signature_check {
char *payload;
char *gpg_output;
char *gpg_status;
/*
* possible "result":
* 0 (not checked)
* N (checked but no further result)
* U (untrusted good)
* G (good)
* B (bad)
*/
char result;
char *signer;
char *key;
};
void signature_check_clear(struct signature_check *sigc);
/*
* Look at GPG signed content (e.g. a signed tag object), whose
* payload is followed by a detached signature on it. Return the
* offset where the embedded detached signature begins, or the end of
* the data when there is no such signature.
*/
size_t parse_signature(const char *buf, size_t size);
void parse_gpg_output(struct signature_check *);
/*
* Create a detached signature for the contents of "buffer" and append
* it after "signature"; "buffer" and "signature" can be the same
* strbuf instance, which would cause the detached signature appended
* at the end.
*/
int sign_buffer(struct strbuf *buffer, struct strbuf *signature,
const char *signing_key);
/*
* Run "gpg" to see if the payload matches the detached signature.
* gpg_output, when set, receives the diagnostic output from GPG.
* gpg_status, when set, receives the status output from GPG.
*/
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);
int git_gpg_config(const char *, const char *, void *);
void set_signing_key(const char *);
const char *get_signing_key(void);
int check_signature(const char *payload, size_t plen,
const char *signature, size_t slen,
struct signature_check *sigc);
void print_signature_buffer(const struct signature_check *sigc,
unsigned flags);
#endif