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agent: expose shadow key type

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--
For TPM support it is necessary to indroduce another type of shadow
key, so allow other agent functions to extract the type so they can
make the right decisions based on it.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Minor editorial changes by wk
This commit is contained in:
James Bottomley via Gnupg-devel 2020-06-14 10:26:45 -07:00 • committed by Werner Koch
parent a763bb2580
commit 0e3b2955ae
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GPG key ID: E3FDFF218E45B72B
4 changed files with 90 additions and 17 deletions
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5
agent/findkey.c
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@ -1320,7 +1320,8 @@ agent_key_available (const unsigned char *grip)
S-expression. */
gpg_error_t
agent_key_info_from_file (ctrl_t ctrl, const unsigned char *grip,
int *r_keytype, unsigned char **r_shadow_info)
int *r_keytype, unsigned char **r_shadow_info,
unsigned char **r_shadow_info_type)
{
gpg_error_t err;
unsigned char *buf;
@ -1367,7 +1368,7 @@ agent_key_info_from_file (ctrl_t ctrl, const unsigned char *grip,
const unsigned char *s;
size_t n;
err = agent_get_shadow_info (buf, &s);
err = agent_get_shadow_info_type (buf, &s, r_shadow_info_type);
if (!err)
{
n = gcry_sexp_canon_len (s, 0, NULL, NULL);